X-Git-Url: https://jxself.org/git/?p=pdp10-muddle.git;a=blobdiff_plain;f=sumex%2Fmuddle.all-750609.1.txt;fp=sumex%2Fmuddle.all-750609.1.txt;h=0000000000000000000000000000000000000000;hp=26d2b3d4a8da0026b2d6c4647a106e6f2950bbdc;hb=1c973408824dee4a587c040bc8075cd1bf047ba3;hpb=a3df309bdd1ea54242d39e62403548d1e4845f8e diff --git a/sumex/muddle.all-750609.1.txt b/sumex/muddle.all-750609.1.txt deleted file mode 100644 index 26d2b3d..0000000 --- a/sumex/muddle.all-750609.1.txt +++ /dev/null @@ -1,33227 +0,0 @@ -TITLE AGC MUDDLE GARBAGE COLLECTOR - -;SYSTEM WIDE DEFINITIONS GO HERE - -.GLOBAL RCL,VECTOP,VECBOT,PARTOP,PARBOT,HITOP,HIBOT,GETPAG -.GLOBAL PDLBUF,PDLEX,PDLEXP,GCFLG,GCPDL,GETNUM,PARNEW,MOVPUR -.GLOBAL PGROW,TPGROW,TIMOUT,MAINPR,%SLEEP,MSGTYP,PURTOP,PURBOT,STOSTR -.GLOBAL MTYI,UPLO,FRMUNG,BYTDOP,GLOBSP,SYSMAX,FREDIF,FREMIN,GCHAPN,INTFLG -.GLOBAL SAT,TTOCHN,TYPVEC,ICONS,INCONS,IBLOCK,IEUVEC,IEVECTI,CELL2 -.GLOBAL GIBLOK,REHASH,IBLOK1,IILIST,IIFORM,CIVEC,CIUVEC,CICONS -.GLOBAL SPBASE,OUTRNG,CISTNG,%RUNAM,PURVEC,GCDOWN,N.CHNS,CHNL1 -.GLOBAL CAFRE,CAFRET,STOGC,GCHN,WNDP,FRNP,%GCJOB,%SHWND,%SHFNT,%INFMP,%GETIP -.GLOBAL TD.PUT,TD.GET,TD.LNT -.GLOBAL CTIME,MTYO,ILOC,GCRSET -.GLOBAL GCTIM,GCCAUS,GCCALL,AAGC,LVLINC,STORIC,GVLINC,TYPIC -; GLOBALS ASSOCIATE WITH THE ASSOCIATION VECTOR - -.GLOBAL ASOVEC,ASOLNT,ITEM,INDIC,VAL,NWORDT,NODPNT,PNTRS -.GLOBAL CELL,BINDID,GCFLCH,TYPBOT,GLOBAS,TPBASE - -.GLOBAL P.TOP,P.CORE,PMAP - -NGCS==8 ; AFTER NGCS, DO HAIRY VAL/ASSOC FLUSH -PDLBUF=100 -TPMAX==20000 ;PDLS LARGER THAN THIS WILL BE SHRUNK -PMAX==4000 ;MAXIMUM PSTACK SIZE -TPMIN==1000 ;MINIMUM PDL SIZES -PMIN==400 -TPGOOD==10000 ; A GOOD STACK SIZE -PGOOD==1000 -.ATOM.==200000 ; FLAG SAYING ATOMS MARKED (FOR VAL FLUSH LOGIC) - -GCHN==0 ; CHANNEL FOR FUNNNY INFERIOR -STATNO==19. ; # OF STATISTICS FOR BLOAT-STAT -STATGC==8. ; # OF GC-STATISTICS FOR BLOAT-STAT - - -RELOCATABLE -.INSRT MUDDLE > - -TYPNT=AB ;SPECIAL AC USAGE DURING GC -F=TP ;ALSO SPECIAL DURING GC -LPVP=SP ;SPECIAL FOR GC, HOLDS POINTER TO PROCESS CHAIN -FPTR=TB ; POINT TO CURRENT FRONTIER OF INFERIOR - - -; WINDOW AND FRONTIER PAGES - -FRONT==776000 ; PAGE 255. IS FRONTIER -WIND==774000 ; PAGE 254. IS WINDOW -FRNP==FRONT/2000 -WNDP==WIND/2000 - - - - - - -.GLOBAL FLIST - -MFUNCTION BLOATSTAT,SUBR,[BLOAT-STAT] - -ENTRY - - JUMPGE AB,GETUVC ; SEE IF THERE IS AN ARGUMENT - GETYP A,(AB) - CAIE A,TUVEC ; SEE IF THE ARGUMENT IS A UVECTOR - JRST WTYP1 ; IF NOT COMPLAIN - HLRE 0,1(AB) - MOVNS 0 - CAIGE 0,STATNO+STATGC ; SEE IF UVECTOR IS RIGHT LENGTH - JRST WTYP1 - CAMGE AB,[-2,,0] ; SEE IF THERE ARE TOO MANY ARGUMENTS - JRST TMA - MOVE A,(AB) ; GET THE UVECTOR - MOVE B,1(AB) - JRST SETUV ; CONTINUE -GETUVC: MOVEI A,STATNO+STATGC ; CREATE A UVECTOR - PUSHJ P,IBLOCK -SETUV: PUSH P,A ; SAVE UVECTOR - PUSH P,B - MOVE 0,NOWFRE ; COMPUTE FREE STORAGE USED SINCE LAST GC - SUB 0,VECBOT - ADD 0,PARTOP - MOVEM 0,CURFRE - HLRE 0,TP ; COMPUTE STACK SPACE USED UP - ADD 0,NOWTP - SUBI 0,PDLBUF - MOVEM 0,CURTP - MOVE B,IMQUOTE THIS-PROCESS - PUSHJ P,ILOC - HRRZS B - HRRZ C,TPBASE+1(PVP) ; CALCULATE # OF ATOM SLOTS - MOVE 0,B - HRRZ D,SPBASE+1(PVP) ; COMPUTE CURRENT # OF BINDINGS - SUB 0,D - IDIVI 0,6 - MOVEM 0,CURLVL - SUB B,C ; TOTAL WORDS ATOM STORAGE - IDIVI B,6 ; COMPUTE # OF SLOTS - MOVEM B,NOWLVL - HRRZ A,GLOBASE+1(TVP) ; COMPUTE TOTAL # OF GLOBAL SLOTS - HLRE 0,GLOBASE+1(TVP) - SUB A,0 ; POINT TO DOPE WORD - HLRZ B,1(A) - ASH B,-2 ; # OF GVAL SLOTS - MOVEM B,NOWGVL - HRRZ 0,GLOBASE+1(TVP) ; COMPUTE # OF GVAL SLOTS IN USE - HRRZ A,GLOBSP+1(TVP) - SUB A,0 - ASH A,-2 ; NEGATIVE # OF SLOTS USED - SUBI B,(A) - MOVEM B,CURGVL - HRRZ A,TYPBOT+1(TVP) ; GET LENGTH OF TYPE VECTOR - HLRE 0,TYPBOT+1(TVP) - SUB A,0 - HLRZ B,1(A) ; # OF WORDS IN TYPE-VECTOR - IDIVI B,2 ; CONVERT TO # OF TYPES - MOVEM B,NOWTYP - HLRE 0,TYPVEC+1(TVP) ; LENGTH OF VISABLE TYPE-VECTOR - MOVNS 0 - IDIVI 0,2 ; GET # OF TYPES - MOVEM 0,CURTYP - MOVE 0,CODTOP ; GET LENGTH OF STATIONARY IMPURE STORAGE - MOVEM 0,NOWSTO - SETZB B,D ; ZERO OUT MAXIMUM - HRRZ C,FLIST -LOOPC: HLRZ 0,(C) ; GET BLK LENGTH - ADD D,0 ; ADD # OF WORDS IN BLOCK - CAMGE B,0 ; SEE IF NEW MAXIMUM - MOVE B,0 - HRRZ C,(C) ; POINT TO NEXT BLOCK - JUMPN C,LOOPC ; REPEAT - MOVEM D,CURSTO - MOVEM B,CURMAX - HLRE 0,P ; GET AMOUNT OF ROOM LEFT ON P - ADD 0,NOWP - SUBI 0,PDLBUF - MOVEM 0,CURP - PUSHJ P,GCSET ; FIX UP BLOAT-STAT PARAMETERS - MOVSI C,BSTGC ; SET UP BLT FOR GC FIGURES - HRRZ B,(P) ; RESTORE B - HRR C,B - BLT C,(B)STATGC-1 - HRLI C,BSTAT ; MODIFY BLT FOR STATS - ADDI C,STATGC ; B HAS ELEMENTS - BLT C,(B)STATGC+STATNO-1 - MOVEI 0,TFIX - HRLM 0,(B)STATNO+STATGC ; MOVE IN UTYPE - POP P,B - POP P,A ; RESTORE TYPE-WORD - JRST FINIS - - -; THIS IS THE SCHEME USED TO UPDATE CERTAIN IMFORMATION USED BY THE -; BLOAT-SPEC ROUTINE TO GIVE USERS IMFORMATION ABOUT USE OF SPACE BY -; THEIR MUDDLE. - -GCRSET: SETZM GCNO ; CALL FROM INIT, ZAP ALL 1ST - MOVE 0,[GCNO,,GCNO+1] - BLT 0,GCCALL - -GCSET: MOVE A,VECBOT ; COMPUTE FREE SPACE AVAILABLE - SUB A,PARTOP - MOVEM A,NOWFRE - CAMLE A,MAXFRE - MOVEM A,MAXFRE ; MODIFY MAXIMUM - HLRE A,TP ; FIND THE DOPE WORD OF THE TP STACK - MOVNS A - ADDI A,1(TP) ; CLOSE TO DOPE WORD - CAME A,TPGROW - ADDI A,PDLBUF ; NOW AT REAL DOPE WORD - HLRZ B,(A) ; GET LENGTH OF TP-STACK - MOVEM B,NOWTP - CAMLE B,CTPMX ; SEE IF THIS IS THE BIGGEST TP - MOVEM B,CTPMX - HLRE B,P ; FIND DOPE WORD OF P-STACK - MOVNS B - ADDI B,1(P) ; CLOSE TO IT - CAME B,PGROW ; SEE IF THE STACK IS BLOWN - ADDI B,PDLBUF ; POINTING TO IT - HLRZ A,(B) ; GET IN LENGTH - MOVEM A,NOWP - CAMLE A,CPMX ; SEE IF WE HAVE THE BIGGEST P STACK - MOVEM A,CPMX - POPJ P, ; EXIT - - -.GLOBAL PGFIND,PGGIVE,PGTAKE,PGINT - -; FIND AND ALLOCATE AS MANY CONTIGUOUS PAGES AS INDICATED BY REG A -; RETURN THE NUMBER (0-255.) OF THE FIRST SUCH PAGE IN REG B -; RETURN -1 IN REG B IF NONE FOUND - -PGFIND: - JUMPLE A,FPLOSS - PUSHJ P,PGFND1 ; SEE IF ALREADY ENOUGH - SKIPL B ; SKIP IF LOST - POPJ P, - - SUBM M,(P) - PUSH P,E - PUSH P,C - PUSH P,D - MOVE C,PURBOT ; CHECK IF ROOM AT ALL - SUB C,P.TOP ; TOTAL SPACE - MOVEI D,(C) ; COPY FOR CONVERSION TO PAGES - ASH D,-10. - CAIGE C,(A) ; SKIP IF COULD WIN - JRST PGFLOS - - MOVNS A ; MOVE PURE AREA DOWN "A" PAGES - PUSHJ P,MOVPUR - MOVE B,PURTOP ; GET FIRST PAGE ALLOCATED - ASH B,-10. ; TO PAGE # -PGFLOS: POP P,D - POP P,C - POP P,E - PUSHJ P,RBLDM ; GET A NEW VALUE FOR M - JRST MPOPJ - -PGFND1: PUSH P,E - PUSH P,D - PUSH P,C - PUSH P,[-1] ;POSSIBLE CONTENTS FOR REG B - PUSH P,A ;SAVE LENGTH OF BLOCK DESIRED FOR LATER USE - SETZB B,C ;INITIAL SECTION AND PAGE NUMBERS - MOVEI 0,0 ;COUNT OF PAGES ALREADY FOUND - PUSHJ P,PINIT -PLOOP: TDNE E,D ;FREE PAGE ? - JRST NOTFRE ;NO - JUMPN 0,NFIRST ;FIRST FREE PAGE OF A BLOCK ? - MOVEI A,(B) ;YES SAVE ADDRESS OF PAGE IN REG A - IMULI A,32. - ADDI A,(C) -NFIRST: ADDI 0,1 - CAML 0,(P) ;TEST IF ENOUGH PAGES HAVE BEEN FOUND - JRST PWIN ;YES, FINISHED - SKIPA -NOTFRE: MOVEI 0,0 ;RESET COUNT - PUSHJ P,PNEXT ;NEXT PAGE - JRST PLOSE ;NONE--LOSE RETURNING -1 IN REG B - JRST PLOOP - -PWIN: MOVEI B,(A) ;GET WINNING ADDRESS - MOVEM B,(P)-1 ;RETURN ADDRESS OF WINNING PAGE - MOVE A,(P) ;RELOAD LENGTH OF BLOCK OF PAGES - MOVE 0,[TDO E,D] ;INST TO SET "BUSY" BITS - JRST ITAKE - -;CLAIM OR RETURN TO FREE STORAGE AS MANY CONTIGUOUS PAGES AS INDICATED BY REG A -;THE NUMBER (0 - 255.) OF THE FIRST SUCH PAGE IS IN REG B -PGGIVE: MOVE 0,[TDZ E,D] ;INST TO SET "FREE" BITS - SKIPA -PGTAKE: MOVE 0,[TDO E,D] ;INST TO SET "BUSY" BITS - JUMPLE A,FPLOSS - CAIL B,0 - CAILE B,255. - JRST FPLOSS - PUSH P,E - PUSH P,D - PUSH P,C - PUSH P,B - PUSH P,A -ITAKE: IDIVI B,32. - PUSHJ P,PINIT - SUBI A,1 -RTL: XCT 0 ;SET APPROPRIATE BIT - PUSHJ P,PNEXT ;NEXT PAGE'S BIT - JUMPG A,FPLOSS ;TOO MANY ? - SOJGE A,RTL - MOVEM E,PMAP(B) ;REPLACE BIT MASK -PLOSE: POP P,A - POP P,B - POP P,C - POP P,D - POP P,E - POPJ P, - - -PINIT: MOVE E,PMAP(B) ;GET BITS FOR THIS SECTION - HRLZI D,400000 ;BIT MASK - MOVNS C - LSH D,(C) ;SHIFT TO APPROPRIATE BIT POSITION - MOVNS C - POPJ P, - -PNEXT: AOS (P) ;FOR SKIP RETURN ON EXPECTED SUCCESS - LSH D,-1 ;CONSIDER NEXT PAGE - CAIGE C,31. ;FINISHED WITH THIS SECTION ? - AOJA C,CPOPJ ;NO, INCREMENT AND CONTINUE - MOVEM E,PMAP(B) ;REPLACE BIT MASK - SETZ C, - CAIGE B,7. ;LAST SECTION ? - AOJA B,PINIT ;NO, INCREMENT AND CONTINUE - SOS (P) ;YES, UNDO SKIP RETURN - POPJ P, - -FPLOSS: FATAL PAGE LOSSAGE - -PGINT: MOVEI B,HIBOT ;INITIALIZE MUDDLE'S PAGE MAP TABLE - IDIVI B,2000 ;FIRST PAGE OF PURE CODE - MOVE C,HITOP - IDIVI C,2000 - MOVEI A,(C)+1 - SUBI A,(B) ;NUMBER OF SUCH PAGES - PUSHJ P,PGTAKE ;MARK THESE PAGES AS TAKEN - POPJ P, -; USER GARBAGE COLLECTOR INTERFACE - -MFUNCTION GC,SUBR - ENTRY - - JUMPGE AB,GC1 - CAMGE AB,[-4,,0] - JRST TMA - PUSHJ P,GETFIX ; GET FREEE MIN IF GIVEN - MOVEM A,FREMIN - ADD AB,[2,,2] ; NEXT ARG - JUMPGE AB,GC1 ; NOT SUPPLIED - PUSHJ P,GETFIX ; GET FREDIF - MOVEM A,FREDIF -GC1: PUSHJ P,COMPRM ; GET CURRENT USED CORE - PUSH P,A - MOVEI A,1 - MOVEM A,GCHAIR ; FORCE FLUSH OF VALS ASSOCS - MOVE C,[11,,0] ; INDICATOR FOR AGC - PUSHJ P,AGC ; COLLECT THAT TRASH - SKIPGE A ; SKIP IF OK - PUSHJ P,FULLOS ; COMPLAIN ABOUT LACK OF SPACE - PUSHJ P,COMPRM ; HOW MUCH ROOM NOW? - POP P,B ; RETURN AMOUNT - SUB B,A - MOVSI A,TFIX - JRST FINIS - - -COMPRM: MOVE A,PARTOP ; USED SPACE - SUB A,PARBOT - ADD A,VECTOP - SUB A,VECBOT - POPJ P, - -MFUNCTION GCDMON,SUBR,[GC-MON] - - ENTRY 1 - - SETZM GCMONF ; ASSUME FALSE - GETYP 0,(AB) - CAIE 0,TFALSE - SETOM GCMONF - MOVE A,(AB) - MOVE B,1(AB) - JRST FINIS -.GLOBAL EVATYP,APLTYP,PRNTYP - - MFUNCTION BLOAT,SUBR - ENTRY - - MOVEI C,0 ; FLAG TO SAY WHETHER NEED A GC - MOVSI E,-NBLO ; AOBJN TO BLOATER TABLE - -BLOAT2: JUMPGE AB,BLOAT1 ; ALL DONE? - PUSHJ P,NXTFIX ; GET NEXT BLOAT PARAM - PUSHJ P,@BLOATER(E) ; DISPATCH - AOBJN E,BLOAT2 ; COUNT PARAMS SET - - JUMPL AB,TMA ; ANY LEFT...ERROR -BLOAT1: JUMPE C,BLOATD ; DONE, NO GC NEEDED - MOVEI 0,1 - MOVEM 0,GCHAIR ; FORCE HAIR TO OCCUR - MOVE C,E ; MOVE IN INDICATOR - HRLI C,1 ; INDICATE THAT IT COMES FROM BLOAT - PUSHJ P,AGC ; DO ONE - SKIPGE A - PUSHJ P,FULLOS ; NO CORE LEFT - SKIPE A,TPBINC ; SMASH POINNTERS - ADDM A,TPBASE+1(PVP) - SKIPE A,GLBINC ; GLOBAL SP - ADDM A,GLOBASE+1(TVP) - SKIPE A,TYPINC - ADDM A,TYPBOT+1(TVP) - SETZM TPBINC ; RESET PARAMS - SETZM GLBINC - SETZM TYPINC - -BLOATD: MOVE B,VECBOT - SUB B,PARTOP - MOVSI A,TFIX ; RETURN CORE FOUND - JRST FINIS - -; TABLE OF BLOAT ROUTINES - -BLOATER: - MAINB - TPBLO - LOBLO - GLBLO - TYBLO - STBLO - PBLO - SFREM - SFRED - SLVL - SGVL - STYP - SSTO - NBLO==.-BLOATER - -; BLOAT MAIN STORAGE AREA - -MAINB: MOVE D,VECBOT ; COMPUTE CURRENT ROOM - SUB D,PARTOP - CAMGE A,D ; NEED MORE? - POPJ P, ; NO, LEAVE - MOVEM A,GETNUM ; SAVE - AOJA C,CPOPJ ; LEAVE SETTING C - -; BLOAT TP STACK (AT TOP) - -TPBLO: HLRE D,TP ; GET -SIZE - MOVNS B,D - ADDI D,1(TP) ; POINT TO DOPE (ALMOST) - CAME D,TPGROW ; BLOWN? - ADDI D,PDLBUF ; POINT TO REAL DOPE WORD - CAMG A,B ; SKIP IF GROWTH NEEDED - POPJ P, - ASH A,-6 ; CONVERT TO 64 WD BLOCKS - CAILE A,377 - JRST OUTRNG - DPB A,[111100,,-1(D)] ; SMASH SPECS IN - AOJA C,CPOPJ - -; BLOAT TOP LEVEL LOCALS - -LOBLO: IMULI A,6 ; 6 WORDS PER BINDING - HRRZ 0,TPBASE+1(PVP) - HRRZ B,SPBASE+1(PVP) ; ROOM AVAIL TO E - SUB B,0 - SUBI A,(B) ; HOW MUCH MORE? - JUMPLE A,CPOPJ ; NONE NEEDED - MOVEI B,TPBINC - PUSHJ P,NUMADJ - DPB A,[1100,,-1(D)] ; SMASH - AOJA C,CPOPJ - -; GLOBAL SLOT GROWER - -GLBLO: ASH A,2 ; 4 WORDS PER VAR - MOVE D,GLOBASE+1(TVP) ; CURRENT LIMITS - HRRZ B,GLOBSP+1(TVP) - SUBI B,(D) - SUBI A,(B) ; NEW AMOUNT NEEDED - JUMPLE A,CPOPJ - MOVEI B,GLBINC ; WHERE TO KEEP UPDATE - PUSHJ P,NUMADJ ; FIX NUMBER - HLRE 0,D - SUB D,0 ; POINT TO DOPE - DPB A,[1100,,(D)] ; AND SMASH - AOJA C,CPOPJ - -; HERE TO GROW TYPE VECTOR (AND FRIENDS) - -TYBLO: ASH A,1 ; TWO WORD PER TYPE - HRRZ B,TYPBOT+1(TVP) ; FIND CURRENT ROOM - MOVE D,TYPVEC+1(TVP) - SUBI B,(D) - SUBI A,(B) ; EXTRA NEEDED TO A - JUMPLE A,CPOPJ ; NONE NEEDED, LEAVE - MOVEI B,TYPINC ; WHERE TO STASH SPEC - PUSHJ P,NUMADJ ; FIX NUMBER - HLRE 0,D ; POINT TO DOPE - SUB D,0 - DPB A,[1100,,(D)] - SKIPE D,EVATYP+1(TVP) ; GROW AUX TYPE VECS IF NEEDED - PUSHJ P,SGROW1 - SKIPE D,APLTYP+1(TVP) - PUSHJ P,SGROW1 - SKIPE D,PRNTYP+1(TVP) - PUSHJ P,SGROW1 - AOJA C,CPOPJ - -; HERE TO CREATE STORAGE SPACE - -STBLO: MOVE D,PARBOT ; HOW MUCH NOW HERE - SUB D,CODTOP - SUBI A,(D) ; MORE NEEDED? - JUMPLE A,CPOPJ - MOVEM A,PARNEW ; FORCE PAIR SPACE TO MOVE ON OUT - AOJA C,CPOPJ - -; BLOAT P STACK - -PBLO: HLRE D,P - MOVNS B,D - SUBI D,5 ; FUDGE FOR THIS CALL - SUBI A,(D) - JUMPLE A,CPOPJ - ADDI B,1(P) ; POINT TO DOPE - CAME B,PGROW ; BLOWN? - ADDI B,PDLBUF ; NOPE, POIN TO REAL D.W. - ASH A,-6 ; TO 64 WRD BLOCKS - CAILE A,377 ; IN RANGE? - JRST OUTRNG - DPB A,[111100,,-1(B)] - AOJA C,CPOPJ - -; SET FREMIN - -SFREM: MOVEM A,FREMIN - POPJ P, - -; SET FREDIF - -SFRED: MOVEM A,FREDIF - POPJ P, - -; SET LVAL INCREMENT - -SLVL: IMULI A,6 ; CALCULATE AMOUNT TO GROW B - IDIVI A,64. ; # OF GROW BLOCKS NEEDED - CAIE B,0 ; DOES B HAVE A REMAINDER - ADDI A,1 ; IF SO ADD A BLOCK - MOVEM A,LVLINC - POPJ P, - -; SET GVAL INCREMENT - -SGVL: IDIVI A,16. ; CALCULATE NUMBER OF GROW BLOCKS NEEDED - CAIE B,0 - ADDI A,1 ; COMPENSATE FOR EXTRA - MOVEM A,GVLINC - POPJ P, - -; SET TYPE INCREMENT - -STYP: IDIVI A,32. ; CALCULATE NUMBER OF GROW BLOCKS NEEDED - CAIE B,0 - ADDI A,1 ; COMPENSATE FOR EXTRA - MOVEM A,TYPIC - POPJ P, - -; SET STORAGE INCREMENT - -SSTO: IDIVI A,2000 ; # OF BLOCKS - CAIE B,0 ; REMAINDER? - ADDI A,1 - IMULI A,2000 ; CONVERT BACK TO WORDS - MOVEM A,STORIC - POPJ P, - - -; GET NEXT (FIX) ARG - -NXTFIX: PUSHJ P,GETFIX - ADD AB,[2,,2] - POPJ P, - -; ROUTINE TO GET POS FIXED ARG - -GETFIX: GETYP A,(AB) - CAIE A,TFIX - JRST WRONGT - SKIPGE A,1(AB) - JRST BADNUM - POPJ P, - - -; GET NUMBERS FIXED UP FOR GROWTH FIELDS - -NUMADJ: ADDI A,77 ; ROUND UP - ANDCMI A,77 ; KILL CRAP - MOVE 0,A - MOVNS A ; COMPUTE ADD FACTOR FOR SPEC. POINTER UPDATE - HRLI A,-1(A) - MOVEM A,(B) ; AND STASH IT - MOVE A,0 - ASH A,-6 ; TO 64 WD BLOCKS - CAILE A,377 ; CHECK FIT - JRST OUTRNG - POPJ P, - -; DO SYMPATHETIC GROWTHS - -SGROW1: HLRE 0,D - SUB D,0 - DPB A,[111100,,(D)] - POPJ P, - - ;FUNCTION TO CONSTRUCT A LIST - -MFUNCTION CONS,SUBR - - ENTRY 2 - GETYP A,2(AB) ;GET TYPE OF 2ND ARG - CAIE A,TLIST ;LIST? - JRST WTYP2 ;NO , COMPLAIN - MOVE C,(AB) ; GET THING TO CONS IN - MOVE D,1(AB) - HRRZ E,3(AB) ; AND LIST - PUSHJ P,ICONS ; INTERNAL CONS - JRST FINIS - -; COMPILER CALL TO CONS - -CICONS: SUBM M,(P) - PUSHJ P,ICONS -MPOPJ: SUBM M,(P) - POPJ P, - -; INTERNAL CONS TO NIL--INCONS - -INCONS: MOVEI E,0 - -; INTERNAL CONS--ICONS; C,D VALUE, E CDR - -ICONS: GETYP A,C ; CHECK TYPE OF VAL - PUSHJ P,NWORDT ; # OF WORDS - SOJN A,ICONS1 ; JUMP IF DEFERMENT NEEDED - PUSHJ P,ICELL2 ; NO DEFER, GET 2 WORDS FROM PAIR SPACE - JRST ICONS2 ; NO CORE, GO GC - HRRI C,(E) ; SET UP CDR -ICONS3: MOVEM C,(B) ; AND STORE - MOVEM D,1(B) -TLPOPJ: MOVSI A,TLIST - POPJ P, - -; HERE IF CONSING DEFERRED - -ICONS1: MOVEI A,4 ; NEED 4 WORDS - PUSHJ P,ICELL ; GO GET 'EM - JRST ICONS2 ; NOT THERE, GC - HRLI E,TDEFER ; CDR AND DEFER - MOVEM E,(B) ; STORE - MOVEI E,2(B) ; POINT E TO VAL CELL - HRRZM E,1(B) - MOVEM C,(E) ; STORE VALUE - MOVEM D,1(E) - JRST TLPOPJ - - - -; HERE TO GC ON A CONS - -ICONS2: PUSH TP,C ; SAVE VAL - PUSH TP,D - PUSH TP,$TLIST - PUSH TP,E ; SAVE VITAL STUFF - MOVEM A,GETNUM ; AMOUNT NEEDED - MOVE C,[3,,1] ; INDICATOR FOR AGC - PUSHJ P,AGC ; ATTEMPT TO WIN - SKIPGE A ; SKIP IF WON - PUSHJ P,FULLOS - MOVE D,-2(TP) ; RESTORE VOLATILE STUFF - MOVE C,-3(TP) - MOVE E,(TP) - SUB TP,[4,,4] - JRST ICONS ; BACK TO DRAWING BOARD - -; SUBROUTINE TO ALLOCATE WORDS IN PAIR SPACE. CALLS AGC IF NEEDED - -CELL2: MOVEI A,2 ; USUAL CASE -CELL: PUSHJ P,ICELL ; INTERNAL - JRST .+2 ; LOSER - POPJ P, - - MOVEM A,GETNUM ; AMOUNT REQUIRED - PUSH P,A ; PREVENT AGC DESTRUCTION - MOVE C,[3,,1] ; INDICATOR FOR AGC - PUSHJ P,AGC - SKIPGE A ; SKIP IF WINNER - PUSHJ P,FULLOS ; REPORT TROUBLE - POP P,A - JRST CELL ; AND TRY AGAIN - -; INTERNAL CELL GETTER, SKIPS IF ROO EXISTS, ELSE DOESN'T - -ICELL2: MOVEI A,2 ; MOST LIKELY CAE -ICELL: SKIPE B,RCL - JRST ICELRC ;SEE IF WE CAN RE-USE A RECYCLE CELL - MOVE B,PARTOP ; GET TOP OF PAIRS - ADDI B,(A) ; BUMP - CAMLE B,VECBOT ; SKIP IF OK. - POPJ P, ; LOSE - EXCH B,PARTOP ; SETUP NEW PARTOP AND RETURN POINTER - PUSH P,B ; MODIFY TOTAL # OF FREE WORDS - MOVE B,USEFRE - ADDI B,(A) - MOVEM B,USEFRE - POP P,B - JRST CPOPJ1 ; SKIP RETURN - -ICELRC: CAIE A,2 - JRST ICELL+2 ;IF HE DOESNT WANT TWO, USE OLD METHOD - PUSH P,A - MOVE A,(B) - HRRZM A,RCL - POP P,A - SETZM (B) ;GIVE HIM A CLEAN RECYCLED CELL - SETZM 1(B) - JRST CPOPJ ;THAT IT - -;SUBROUTINES TO RETURN WORDS NEEDED BASED ON TYPE OR SAT - -NWORDT: PUSHJ P,SAT ;GET STORAGE ALLOC TYPE -NWORDS: CAIG A,NUMSAT ; TEMPLATE? - SKIPL MKTBS(A) ;-ENTRY IN TABLE MEANS 2 NEEDED - SKIPA A,[1] ;NEED ONLY 1 - MOVEI A,2 ;NEED 2 - POPJ P, - - ;FUNCTION TO BUILD A LIST OF MANY ELEMENTS - -MFUNCTION LIST,SUBR - ENTRY - - PUSH P,$TLIST -LIST12: HLRE A,AB ;GET -NUM OF ARGS - SKIPE RCL ;SEE IF WE WANT TO DO ONE AT A TIME - JRST LST12R ;TO GET RECYCLED CELLS - MOVNS A ;MAKE IT + - JUMPE A,LISTN ;JUMP IF 0 - PUSHJ P,CELL ;GET NUMBER OF CELLS - PUSH TP,$TAB - PUSH TP,AB - PUSH TP,(P) ;SAVE IT - PUSH TP,B - SUB P,[1,,1] - LSH A,-1 ;NUMBER OF REAL LIST ELEMENTS - -CHAINL: ADDI B,2 ;LOOP TO CHAIN ELEMENTS - HRRZM B,-2(B) ;CHAIN LAST ONE TO NEXT ONE - SOJG A,.-2 ;LOOP TIL ALL DONE - CLEARM B,-2(B) ;SET THE LAST CDR TO NIL - -; NOW LOBEER THE DATA IN TO THE LIST - - MOVE D,AB ; COPY OF ARG POINTER - MOVE B,(TP) ;RESTORE LIS POINTER -LISTLP: GETYP A,(D) ;GET TYPE - PUSHJ P,NWORDT ;GET NUMBER OF WORDS - SOJN A,LDEFER ;NEED TO DEFER POINTER - GETYP A,(D) ;NOW CLOBBER ELEMENTS - HRLM A,(B) - MOVE A,1(D) ;AND VALUE.. - MOVEM A,1(B) -LISTL2: HRRZ B,(B) ;REST B - ADD D,[2,,2] ;STEP ARGS - JUMPL D,LISTLP - - POP TP,B - POP TP,A - SUB TP,[2,,2] ; CLEANUP STACK - JRST FINIS - - -LST12R: ASH A,-1 ;ONE AT A TIME TO GET RECYCLED CELLS - JUMPE A,LISTN - PUSH P,A ;SAVE COUNT ON STACK - SETZB C,D - SETZM E - PUSHJ P,ICONS - MOVE E,B ;LOOP AND CHAIN TOGETHER - AOSGE (P) - JRST .-3 - PUSH TP,-1(P) ;PUSH ON THE TYPE WE WANT - PUSH TP,B - SUB P,[2,,2] ;CLEAN UP AFTER OURSELVES - JRST LISTLP-2 ;AND REJOIN MAIN STREAM - - -; MAKE A DEFERRED POINTER - -LDEFER: PUSH TP,$TLIST ;SAVE CURRENT POINTER - PUSH TP,B - MOVEM D,1(TB) ; SAVE ARG HACKER - PUSHJ P,CELL2 - MOVE D,1(TB) - GETYPF A,(D) ;GET FULL DATA - MOVE C,1(D) - MOVEM A,(B) - MOVEM C,1(B) - MOVE C,(TP) ;RESTORE LIST POINTER - MOVEM B,1(C) ;AND MAKE THIS BE THE VALUE - MOVSI A,TDEFER - HLLM A,(C) ;AND STORE IT - MOVE B,C - SUB TP,[2,,2] - JRST LISTL2 - -LISTN: MOVEI B,0 - POP P,A - JRST FINIS - -; BUILD A FORM - -MFUNCTION FORM,SUBR - - ENTRY - - PUSH P,$TFORM - JRST LIST12 - - ; COMPILERS CALLS TO FORM AND LIST A/ COUNT ELEMENTS ON STACK - -IILIST: SUBM M,(P) - PUSHJ P,IILST - MOVSI A,TLIST - JRST MPOPJ - -IIFORM: SUBM M,(P) - PUSHJ P,IILST - MOVSI A,TFORM - JRST MPOPJ - -IILST: JUMPE A,IILST0 ; NIL WHATSIT - PUSH P,A - MOVEI E,0 -IILST1: POP TP,D - POP TP,C - PUSHJ P,ICONS ; CONS 'EM UP - MOVEI E,(B) - SOSE (P) ; COUNT - JRST IILST1 - - SUB P,[1,,1] - POPJ P, - -IILST0: MOVEI B,0 - POPJ P, - - ;FUNCTION TO BUILD AN IMPLICIT LIST - -MFUNCTION ILIST,SUBR - ENTRY - PUSH P,$TLIST -ILIST2: JUMPGE AB,TFA ;NEED AT LEAST ONE ARG - CAMGE AB,[-4,,0] ;NO MORE THAN TWO ARGS - JRST TMA - PUSHJ P,GETFIX ; GET POS FIX # - JUMPE A,LISTN ;EMPTY LIST ? - CAML AB,[-2,,0] ;ONLY ONE ARG? - JRST LOSEL ;YES - PUSH P,A ;SAVE THE CURRENT VALUE OF LENGTH FOR LOOP ITERATION -ILIST0: PUSH TP,2(AB) - PUSH TP,(AB)3 - MCALL 1,EVAL - PUSH TP,A - PUSH TP,B - SOSLE (P) - JRST ILIST0 - POP P,C -ILIST1: MOVE C,(AB)+1 ;REGOBBLE LENGTH - ACALL C,LIST -ILIST3: POP P,A ; GET FINAL TYPE - JRST FINIS - - -LOSEL: PUSH P,A ; SAVE COUNT - MOVEI E,0 - -LOSEL1: SETZB C,D ; TLOSE,,0 - PUSHJ P,ICONS - MOVEI E,(B) - SOSLE (P) - JRST LOSEL1 - - SUB P,[1,,1] - JRST ILIST3 - -; IMPLICIT FORM - -MFUNCTION IFORM,SUBR - - ENTRY - PUSH P,$TFORM - JRST ILIST2 - - ; IVECTOR AND IUVECTOR--GET VECTOR AND UVECTOR OF COMPUTED VALUES - -MFUNCTION VECTOR,SUBR,[IVECTOR] - - MOVEI C,1 - JRST VECTO3 - -MFUNCTION UVECTOR,SUBR,[IUVECTOR] - - MOVEI C,0 -VECTO3: ENTRY - JUMPGE AB,TFA ; AT LEAST ONE ARG - CAMGE AB,[-4,,0] ; NOT MORE THAN 2 - JRST TMA - PUSHJ P,GETFIX ; GET A POS FIXED NUMBER - LSH A,(C) ; A-> NUMBER OF WORDS - PUSH P,C ; SAVE FOR LATER - PUSHJ P,IBLOCK ; GET BLOCK (TURN ON BIT APPROPRIATELY) - POP P,C - HLRE A,B ; START TO - SUBM B,A ; FIND DOPE WORD - JUMPE C,VECTO4 - MOVSI D,400000 ; GET NOT UNIFORM BIT - MOVEM D,(A) ; INTO DOPE WORD - SKIPA A,$TVEC ; GET TYPE -VECTO4: MOVSI A,TUVEC - CAML AB,[-2,,0] ; SKIP IF ARGS NEED TO BE HACKED - JRST FINIS - JUMPGE B,FINIS ; DON'T EVAL FOR EMPTY CASE - - PUSH TP,A ; SAVE THE VECTOR - PUSH TP,B - PUSH TP,A - PUSH TP,B - - JUMPE C,UINIT - JUMPGE B,FINIS ; EMPTY VECTOR, LEAVE -INLP: PUSHJ P,IEVAL ; EVAL EXPR - MOVEM A,(C) - MOVEM B,1(C) - ADD C,[2,,2] ; BUMP VECTOR - MOVEM C,(TP) - JUMPL C,INLP ; IF MORE DO IT - -GETVEC: MOVE A,-3(TP) - MOVE B,-2(TP) - SUB TP,[4,,4] - JRST FINIS - -; HERE TO FILL UP A UVECTOR - -UINIT: PUSHJ P,IEVAL ; HACK THE 1ST VALUE - GETYP A,A ; GET TYPE - PUSH P,A ; SAVE TYPE - PUSHJ P,NWORDT ; SEE IF IT CAN BE UNIFORMED - SOJN A,CANTUN ; COMPLAIN -STJOIN: MOVE C,(TP) ; RESTORE POINTER - ADD C,1(AB) ; POINT TO DOPE WORD - MOVE A,(P) ; GET TYPE - HRLZM A,(C) ; STORE IN D.W. - MOVE C,(TP) ; GET BACK VECTOR - SKIPE 1(AB) - JRST UINLP1 ; START FILLING UV - JRST GETVE1 - -UINLP: MOVEM C,(TP) ; SAVE PNTR - PUSHJ P,IEVAL ; EVAL THE EXPR - GETYP A,A ; GET EVALED TYPE - CAIE A,@(P) ; WINNER? - JRST WRNGSU ; SERVICE ERROR FOR UVECTOR,STORAGE -UINLP1: MOVEM B,(C) ; STORE - AOBJN C,UINLP -GETVE1: SUB P,[1,,1] - JRST GETVEC ; AND RETURN VECTOR - -IEVAL: PUSH TP,2(AB) - PUSH TP,3(AB) - MCALL 1,EVAL - MOVE C,(TP) - POPJ P, - -; ISTORAGE -- GET STORAGE OF COMPUTED VALUES - -MFUNCTION ISTORAGE,SUBR - ENTRY - JUMPGE AB,TFA - CAMGE AB,[-4,,0] ; AT LEAST ONE ARG - JRST TMA - PUSHJ P,GETFIX ; POSITIVE COUNT FIRST ARG - PUSHJ P,CAFRE ; GET CORE - MOVN B,1(AB) ; -COUNT - HRL A,B ; PUT IN LHW (A) - MOVM B,B ; +COUNT - HRLI B,2(B) ; LENGTH + 2 - ADDI B,(A) ; MAKE POINTER TO DOPE WORDS - HLLZM B,1(B) ; PUT TOTAL LENGTH IN 2ND DOPE - HRRM A,1(B) ; PUT ADDRESS IN RHW (STORE DOES THIS TOO). - MOVE B,A - MOVSI A,TSTORAGE - CAML AB,[-2,,0] ; SECOND ARG TO EVAL? - JRST FINIS ; IF NOT, RETURN EMPTY - PUSH TP,A - PUSH TP,B - PUSH TP,A - PUSH TP,B - PUSHJ P,IEVAL ; EVALUATE FOR FIRST VALUE - GETYP A,A - PUSH P,A ; FOR COMPARISON LATER - PUSHJ P,SAT - CAIN A,S1WORD - JRST STJOIN ;TREAT LIKE A UVECTOR - ; IF NOT 1-WORD TYPES, CANNOT STORE, SO COMPLAIN - PUSHJ P,FREESV ; FREE STORAGE VECTOR - PUSH TP,$TATOM - PUSH TP,EQUOTE DATA-CAN'T-GO-IN-STORAGE - JRST CALER1 - -; FOR STORAGE, MUST FREE THE CORE ELSE IT IS LOST (NO GC) -FREESV: MOVE A,1(AB) ; GET COUNT - ADDI A,2 ; FOR DOPE - HRRZ B,(TP) ; GET ADDRESS - PUSHJ P,CAFRET ; FREE THE CORE - POPJ P, - - ; INTERNAL VECTOR ALLOCATOR. A/SIZE OF VECTOR (NOT INCLUDING DOPE WORDS) - -IBLOK1: ASH A,1 ; TIMES 2 -GIBLOK: TLOA A,400000 ; FUNNY BIT -IBLOCK: TLZ A,400000 ; NO BIT ON - ADDI A,2 ; COMPENSATE FOR DOPE WORDS -IBLOK2: MOVE B,VECBOT ; POINT TO BOTTOM OF SPACE - SUBI B,(A) ; SUBTRACT NEEDED AMOUNT - CAMGE B,PARTOP ; SKIP IF NO GC NEEDED - JRST IVECT1 - EXCH B,VECBOT ; WIN, GET POINTER TO BLOCK AND UPDATE VECBOT - PUSH P,B - MOVE B,USEFRE - ADDI B,(A) - MOVEM B,USEFRE - POP P,B - HRLZM A,-1(B) ; STORE LENGTH IN DOPE WORD - HLLZM A,-2(B) ; AND BIT - HRRO B,VECBOT ; POINT TO START OF VECTOR - TLC B,-3(A) ; SETUP COUNT - HRRI A,TVEC - SKIPL A - HRRI A,TUVEC - MOVSI A,(A) - POPJ P, - -; HERE TO DO A GC ON A VECTOR ALLOCATION - -IVECT1: PUSH P,A ; SAVE DESIRED LENGTH - HRRZM A,GETNUM ; AND STORE AS DESIRED AMOUNT - MOVE C,[4,,1] ; GET INDICATOR FOR AGC - PUSHJ P,AGC - SKIPGE A - PUSHJ P,FULLOS ; LOST, COMPLAIN - POP P,A - JRST IBLOK2 - - -; INTERNAL EVECTOR (CALLED FROM READ) A/ #OF THINGS -; ITEMS ON TOP OF STACK - -IEVECT: ASH A,1 ; TO NUMBER OF WORDS - PUSH P,A - PUSHJ P,IBLOCK ; GET VECTOR - HLRE D,B ; FIND DW - SUBM B,D ; A POINTS TO DW - MOVSI 0,400000 - MOVEM 0,(D) ; CLOBBER NON UNIF BIT - POP P,A ; RESTORE COUNT - JUMPE A,IVEC1 ; 0 LNTH, DONE - MOVEI C,(TP) ; BUILD BLT - SUBI C,(A)-1 ; C POINTS TO 1ST ITEM ON STACK - MOVSI C,(C) - HRRI C,(B) ; B/ SOURCE,,DEST - BLT C,-1(D) ; XFER THE DATA - HRLI A,(A) - SUB TP,A ; FLUSH STACKAGE -IVEC1: MOVSI A,TVEC - POPJ P, - - -; COMPILERS CALL - -CIVEC: SUBM M,(P) - PUSHJ P,IEVECT - JRST MPOPJ - - - ; INTERNAL CALL TO EUVECTOR - -IEUVEC: PUSH P,A ; SAVE LENGTH - PUSHJ P,IBLOCK - MOVE A,(P) - JUMPE A,IEUVE1 ; EMPTY, LEAVE - ASH A,1 ; NOW FIND STACK POSITION - MOVEI C,(TP) ; POINT TO TOP - MOVE D,B ; COPY VEC POINTER - SUBI C,-1(A) ; POINT TO 1ST DATUM - GETYP A,(C) ; CHECK IT - PUSHJ P,NWORDT - SOJN A,CANTUN ; WONT FIT - GETYP E,(C) - -IEUVE2: GETYP 0,(C) ; TYPE OF EL - CAIE 0,(E) ; MATCH? - JRST WRNGUT - MOVE 0,1(C) - MOVEM 0,(D) ; CLOBBER - ADDI C,2 - AOBJN D,IEUVE2 ; LOOP - HRLZM E,(D) ; STORE UTYPE -IEUVE1: POP P,A ; GET COUNY - ASH A,1 ; MUST FLUSH 2 TIMES # OF ELEMENTS - HRLI A,(A) - SUB TP,A ; CLEAN UP STACK - MOVSI A,TUVEC - POPJ P, - -; COMPILER'S CALL - -CIUVEC: SUBM M,(P) - PUSHJ P,IEUVEC - JRST MPOPJ - -MFUNCTION EVECTOR,SUBR,[VECTOR] - ENTRY - HLRE A,AB - MOVNS A - PUSH P,A ;SAVE NUMBER OF WORDS - PUSHJ P,IBLOCK ; GET WORDS - MOVEI D,-1(B) ; SETUP FOR BLT AND DOPE CLOBBER - JUMPGE B,FINISV ;DONT COPY A ZERO LENGTH VECTOR - - HRLI C,(AB) ;START BUILDING BLT POINTER - HRRI C,(B) ;TO ADDRESS - ADDI D,@(P) ;SET D TO FINAL ADDRESS - BLT C,(D) -FINISV: MOVSI 0,400000 - MOVEM 0,1(D) ; MARK AS GENERAL - SUB P,[1,,1] - MOVSI A,TVEC - JRST FINIS - - - - ;EXPLICIT VECTORS FOR THE UNIFORM CSE - -MFUNCTION EUVECTOR,SUBR,[UVECTOR] - - ENTRY - HLRE A,AB ;-NUM OF ARGS - MOVNS A - ASH A,-1 ;NEED HALF AS MANY WORDS - PUSH P,A - JUMPGE AB,EUV1 ; DONT CHECK FOR EMPTY - GETYP A,(AB) ;GET FIRST ARG - PUSHJ P,NWORDT ;SEE IF NEEDS EXTRA WORDS - SOJN A,CANTUN -EUV1: POP P,A - PUSHJ P,IBLOCK ; GET VECT - JUMPGE B,FINISU - - GETYP C,(AB) ;GET THE FIRST TYPE - MOVE D,AB ;COPY THE ARG POINTER - MOVE E,B ;COPY OF RESULT - -EUVLP: GETYP 0,(D) ;GET A TYPE - CAIE 0,(C) ;SAME? - JRST WRNGUT ;NO , LOSE - MOVE 0,1(D) ;GET GOODIE - MOVEM 0,(E) ;CLOBBER - ADD D,[2,,2] ;BUMP ARGS POINTER - AOBJN E,EUVLP - - HRLM C,(E) ;CLOBBER UNIFORM TYPE IN -FINISU: MOVSI A,TUVEC - JRST FINIS - -WRNGSU: GETYP A,-1(TP) - CAIE A,TSTORAGE - JRST WRNGUT ;IF UVECTOR - PUSHJ P,FREESV ;FREE STORAGE VECTOR - PUSH TP,$TATOM - PUSH TP,EQUOTE TYPES-DIFFER-IN-STORAGE-OBJECT - JRST CALER1 - - -WRNGUT: PUSH TP,$TATOM - PUSH TP,EQUOTE TYPES-DIFFER-IN-UNIFORM-VECTOR - JRST CALER1 - -CANTUN: PUSH TP,$TATOM - PUSH TP,EQUOTE DATA-CANT-GO-IN-UNIFORM-VECTOR - JRST CALER1 - -BADNUM: PUSH TP,$TATOM - PUSH TP,EQUOTE NEGATIVE-ARGUMENT - JRST CALER1 - ; FUNCTION TO GROW A VECTOR - -MFUNCTION GROW,SUBR - - ENTRY 3 - - MOVEI D,0 ;STACK HACKING FLAG - GETYP A,(AB) ;FIRST TYPE - PUSHJ P,SAT ;GET STORAGE TYPE - GETYP B,2(AB) ;2ND ARG - CAIE A,STPSTK ;IS IT ASTACK - CAIN A,SPSTK - AOJA D,GRSTCK ;YES, WIN - CAIE A,SNWORD ;UNIFORM VECTOR - CAIN A,S2NWORD ;OR GENERAL -GRSTCK: CAIE B,TFIX ;IS 2ND FIXED - JRST WTYP2 ;COMPLAIN - GETYP B,4(AB) - CAIE B,TFIX ;3RD ARG - JRST WTYP3 ;LOSE - - MOVEI E,1 ;UNIFORM/GENERAL FLAG - CAIE A,SNWORD ;SKIP IF UNIFORM - CAIN A,SPSTK ;DONT SKIP IF UNIFORM PDL - MOVEI E,0 - - HRRZ B,1(AB) ;POINT TO START - HLRE A,1(AB) ;GET -LENGTH - SUB B,A ;POINT TO DOPE WORD - SKIPE D ;SKIP IF NOT STACK - ADDI B,PDLBUF ;FUDGE FOR PDL - HLLZS (B) ;ZERO OUT GROWTH SPECS - SKIPN A,3(AB) ;ANY TOP GROWTH? - JRST GROW1 ;NO, LOOK FOR BOTTOM GROWTH - ASH A,(E) ;MULT BY 2 IF GENERAL - ADDI A,77 ;ROUND TO NEAREST BLOCK - ANDCMI A,77 ;CLEAR LOW ORDER BITS - ASH A,9-6 ;DIVIDE BY 100 AND SHIFT TO POSTION - TRZE A,400000 ;CONVERT TO SIGN MAGNITUDE - MOVNS A - TLNE A,-1 ;SKIP IF NOT TOO BIG - JRST GTOBIG ;ERROR -GROW1: SKIPN C,5(AB) ;CHECK LOW GROWTH - JRST GROW4 ;NONE, SKIP - ASH C,(E) ;GENRAL FUDGE - ADDI C,77 ;ROUND - ANDCMI C,77 ;FUDGE FOR VALUE RETURN - PUSH P,C ;AND SAVE - ASH C,-6 ;DIVIDE BY 100 - TRZE C,400 ;CONVERT TO SIGN MAGNITUDE - MOVNS C - TDNE C,[-1,,777000] ;CHECK FOR OVERFLOW - JRST GTOBIG -GROW2: HLRZ E,1(B) ;GET TOTAL LENGTH OF VECTOR - MOVNI E,-1(E) - HRLI E,(E) ;TO BOTH HALVES - ADDI E,1(B) ;POINTS TO TOP - SKIPE D ;STACK? - ADD E,[PDLBUF,,0] ;YES, FUDGE LENGTH - SKIPL D,(P) ;SHRINKAGE? - JRST GROW3 ;NO, CONTINUE - MOVNS D ;PLUSIFY - HRLI D,(D) ;TO BOTH HALVES - ADD E,D ;POINT TO NEW LOW ADDR -GROW3: IORI A,(C) ;OR TOGETHER - HRRM A,(B) ;DEPOSIT INTO DOPEWORD - PUSH TP,(AB) ;PUSH TYPE - PUSH TP,E ;AND VALUE - JUMPE A,.+3 ;DON'T GC FOR NOTHING - MOVE C,[2,,0] ; GET INDICATOR FOR AGC - PUSHJ P,AGC - JUMPL A,GROFUL - POP P,C ;RESTORE GROWTH - HRLI C,(C) - POP TP,B ;GET VECTOR POINTER - SUB B,C ;POINT TO NEW TOP - POP TP,A - JRST FINIS - -GROFUL: SUB P,[1,,1] ; CLEAN UP STACK - SUB TP,[2,,2] - PUSHJ P,FULLOS - JRST GROW - -GTOBIG: PUSH TP,$TATOM - PUSH TP,EQUOTE ATTEMPT-TO-GROW-VECTOR-TOO-MUCH - JRST CALER1 -GROW4: PUSH P,[0] ;0 BOTTOM GROWTH - JRST GROW2 - -FULLOS: PUSH TP,$TATOM ; GENERATE ERROR - PUSH TP,@ERRTB(A) - AOJL A,CALER1 ; IF BAD, CALL ERROR - SKIPN GCMONF - POPJ P, - PUSH TP,TTOCHN(TVP) ; FORCE MESSAGES TO TTY - PUSH TP,TTOCHN+1(TVP) - PUSH TP,TTOCHN(TVP) ; FORCE MESSAGES TO TTY - PUSH TP,TTOCHN+1(TVP) - MCALL 1,TERPRI ; JUST PRINT MESSAGE - MCALL 2,PRINC - POPJ P, - - - EQUOTE STILL-NO-STORAGE - EQUOTE NO-STORAGE - EQUOTE STORAGE-LOW -ERRTB==. - ; SUBROUTINE TO BUILD CHARACTER STRING GOODIES - -MFUNCTION STRING,SUBR - - ENTRY - - MOVE B,AB ;COPY ARG POINTER - MOVEI C,0 ;INITIALIZE COUNTER - PUSH TP,$TAB ;SAVE A COPY - PUSH TP,B - HLRE A,B ; GET # OF ARGS - MOVNS A - ASH A,-1 ; 1/2 FOR # OF ARGS - PUSHJ P,IISTRN - JRST FINIS - -IISTRN: SKIPN E,A ; SKIP IF ARGS EXIST - JRST MAKSTR ; ALL DONE - -STRIN2: GETYP D,(B) ;GET TYPE CODE - CAIN D,TCHRS ;SINGLE CHARACTER? - AOJA C,STRIN1 - CAIE D,TCHSTR ;OR STRING - JRST WRONGT ;NEITHER - HRRZ D,(B) ; GET CHAR COUNT - ADDI C,(D) ; AND BUMP - -STRIN1: ADD B,[2,,2] - SOJG A,STRIN2 - -; NOW GET THE NECESSARY VECTOR - -MAKSTR: PUSH P,C ; SAVE CHAR COUNT - PUSH P,E ; SAVE ARG COUNT - MOVEI A,4(C) ; LNTH+4 TO A - IDIVI A,5 - PUSHJ P,IBLOCK - - POP P,A - JUMPGE B,DONEC ; 0 LENGTH, NO STRING - HRLI B,440700 ;CONVERT B TO A BYTE POINTER - MOVE C,(TP) ; POINT TO ARGS AGAIN - -NXTRG1: GETYP D,(C) ;GET AN ARG - CAIE D,TCHRS - JRST TRYSTR - MOVE D,1(C) ; GET IT - IDPB D,B ;AND DEPOSIT IT - JRST NXTARG - -TRYSTR: MOVE E,1(C) ;GET BYTER - HRRZ 0,(C) ;AND COUNT -NXTCHR: SOJL 0,NXTARG ; IF RUNOUT, GET NEXT ARG - ILDB D,E ;AND GET NEXT - IDPB D,B ; AND DEPOSIT SAME - JRST NXTCHR - -NXTARG: ADD C,[2,,2] ;BUMP ARG POINTER - SOJG A,NXTRG1 - ADDI B,1 - -DONEC: MOVSI C,TCHRS - HLLM C,(B) ;AND CLOBBER AWAY - HLRZ C,1(B) ;GET LENGTH BACK - POP P,A - HRLI A,TCHSTR - SUBI B,-2(C) - HRLI B,440700 ;MAKE A BYTE POINTER - POPJ P, - -; COMPILER'S CALL TO MAKE A STRING - -CISTNG: SUBM M,(P) - MOVEI C,0 ; INIT CHAR COUNTER - MOVEI B,(A) ; SET UP STACK POINTER - ASH B,1 ; * 2 FOR NO. OF SLOTS - HRLI B,(B) - SUBM TP,B ; B POINTS TO ARGS - ADD B,[1,,1] - PUSH TP,$TTP - PUSH TP,B - PUSHJ P,IISTRN ; MAKE IT HAPPEN - POP TP,TP ; FLUSH ARGS - SUB TP,[1,,1] - JRST MPOPJ - ;BUILD IMPLICT STRING - -MFUNCTION ISTRING,SUBR - - ENTRY - JUMPGE AB,TFA ; TOO FEW ARGS - CAMGE AB,[-4,,0] ; VERIFY NOT TOO MANY ARGS - JRST TMA - PUSHJ P,GETFIX - ADDI A,4 - IDIVI A,5 ; # OF WORDS NEEDED TO A - PUSH TP,$TFIX - PUSH TP,A - MCALL 1,UVECTOR ; GET SAME - HLRE C,B ; -LENGTH TO C - SUBM B,C ; LOCN OF DOPE WORD TO C - HRLI D,TCHRS ; CLOBBER ITS TYPE - HLLM D,(C) - MOVSI A,TCHSTR - HRR A,1(AB) ; SETUP TYPE'S RH - HRLI B,440700 ; AND BYTE POINTER - SKIPE (AB)+1 ; SKIP IF NO CHARACTERS TO DEPOSIT - CAML AB,[-2,,0] ; SKIP IF 2 ARGS GIVEN - JRST FINIS - PUSH TP,A ;SAVE OUR STRING - PUSH TP,B - PUSH TP,A ;SAVE A TEMPORARY CLOBBER POINTER - PUSH TP,B - PUSH P,(AB)1 ;SAVE COUNT -CLOBST: PUSH TP,(AB)+2 - PUSH TP,(AB)+3 - MCALL 1,EVAL - GETYP C,A ; CHECK IT - CAIE C,TCHRS ; MUST BE A CHARACTER - JRST WTYP2 - IDPB B,(TP) ;CLOBBER - SOSLE (P) ;FINISHED? - JRST CLOBST ;NO - SUB P,[1,,1] - SUB TP,[4,,4] - MOVE A,(TP)+1 - MOVE B,(TP)+2 - JRST FINIS - - - AGC": -;SET FLAG FOR INTERRUPT HANDLER - - SETZB M,RCL ; CLEAR OUT RECYCLE LIST CELLS, AND RSUBR BASE PNTR - PUSH P,B - PUSH P,A - PUSH P,C ; SAVE C - PUSHJ P,CTIME ; GET TIME FOR GIN-GOUT - MOVEM B,GCTIM ; SAVE FOR LATER - MOVEI B,[ASCIZ /GIN /] - SKIPE GCMONF - PUSHJ P,MSGTYP -NOMON1: HRRZ C,(P) ; GET CAUSE OF GC INDICATOR - MOVE B,GCNO(C) ; ADD 1 TO COUNT OF GC'S CAUSED BY GIVEN REASON - ADDI B,1 - MOVEM B,GCNO(C) - MOVEM C,GCCAUS ; SAVE CAUSE OF GC - SKIPN GCMONF ; MONITORING - JRST NOMON2 - MOVE B,MSGGCT(C) ; GET CAUSE MESSAGE - PUSHJ P,MSGTYP -NOMON2: HLRZ C,(P) ; FIND OUT WHO CAUSED THE GC - MOVEM C,GCCALL ; SAVE CALLER OF GC - SKIPN GCMONF ; MONITORING - JRST NOMON3 - MOVE B,MSGGFT(C) - PUSHJ P,MSGTYP -NOMON3: SUB P,[1,,1] ; POP OFF C - POP P,A - POP P,B - JRST .+1 -AAGC: SETZB M,RCL ; ALTERNATE GC-ENTRY POINT FOR INITIALIZATION -INITGC: SETOM GCFLG - -;SAVE AC'S - IRP AC,,[0,A,B,C,D,E,P,R,M,SP,TP,TB,AB,TVP,PVP] - MOVEM AC,AC!STO"+1(PVP) - TERMIN - -; FUDGE NOWFRE FOR LATER WINNING - - MOVE 0,NOWFRE - SUB 0,VECBOT - ADD 0,PARTOP - MOVEM 0,NOWFRE - -; IF IN A PURE RSUBR, FIND ITS LENGTH AND FUDGE ITS LRU - - HRRZ A,FSAV(TB) ; GET NAME OF CURRENT GOODIE - SETZM CURPLN ; CLEAR FOR NONE - CAML A,PURTOP ; IF LESS THAN TOP OF PURE ASSUME RSUBR - JRST NRSUBR - GETYP 0,(A) ; SEE IF PURE - CAIE 0,TPCODE ; SKIP IF IT IS - JRST NRSUBR - HLRZ B,1(A) ; GET SLOT INDICATION - ADD B,PURVEC+1(TVP) ; POINT TO SLOT - HRROS 2(B) ; MUNG AGE - HLRE A,1(B) ; - LENGTH TO A - MOVNM A,CURPLN ; AND STORE -NRSUBR: - -;SET UP E TO POINT TO TYPE VECTOR - GETYP E,TYPVEC(TVP) - CAIE E,TVEC - JRST AGCE1 - HRRZ TYPNT,TYPVEC+1(TVP) - HRLI TYPNT,B - -CHPDL: MOVE D,P ; SAVE FOR LATER - MOVE P,GCPDL ;GET GC'S PDL -CORGET: MOVE A,P.TOP ; UPDATE CORTOP - MOVEM A,CORTOP - MOVE A,VECTOP ; ROOM BETWEEN CORTOP AND VECTOP IS GC MARK PDL - SUB A,CORTOP - MOVSS A ; BUILD A PDL POINTER - ADD A,VECTOP - JUMPGE A,TRYCOR ; NO ROOM, GO GET SOME - MOVE P,A ; SET UP PDL POINTER - -;FENCE POST PDLS AND CHECK IF ANY SHOULD BE SHRUNK - - MOVEI A,(TB) ;POINT TO CURRENT FRAME IN PROCESS - PUSHJ P,FRMUNG ;AND MUNG IT - MOVE A,TP ;THEN TEMPORARY PDL - PUSHJ P,PDLCHK - MOVE A,PSTO+1(PVP) ;AND UNMARKED P STACK - PUSHJ P,PDLCHP - - ; FIRST CREATE INFERIOR TO HOLD NEW PAGES - -INFCRT: MOVE A,PARBOT ; GENERATE NEW PARBOT AND PARNEW - ADD A,PARNEW - ADDI A,1777 - ANDCMI A,1777 ; EVEN PAGE BOUNDARY - HRRM A,BOTNEW ; INTO POINTER WORD - MOVEM A,WNDBOT - MOVEI 0,2000(A) ; BOUNDS OF WINDOW - MOVEM 0,WNDTOP - SUB A,PARBOT - MOVEM A,PARNEW ; FIXED UP PARNEW - HRRZ A,BOTNEW ; GET PAGE TO START INF AT - ASH A,-10. ; TO PAGES - PUSHJ P,%GCJOB ; GET PAGE HOLDER - MOVSI FPTR,-2000 ; FIX UP FRONTIER POINTER - -;MARK PHASE: MARK ALL LISTS AND VECTORS -;POINTED TO WITH ONE BIT IN SIGN BIT -;START AT TRANSFER VECTOR - - SETZB LPVP,VECNUM ;CLEAR NUMBER OF VECTOR WORDS - SETZB PARNUM ;CLEAR NUMBER OF PAIRS - MOVEI 0,NGCS ; SEE IF NEED HAIR - SOSGE GCHAIR - MOVEM 0,GCHAIR ; RESUME COUNTING - SETZM GREW ; ASSUME NO GROW/SHRINK - SETZM SHRUNK - MOVSI D,400000 ;SIGN BIT FOR MARKING - MOVE A,ASOVEC+1(TVP) ;MARK ASSOC. VECTOR NOW - PUSHJ P,PRMRK ; PRE-MARK - MOVE A,GLOBSP+1(TVP) - PUSHJ P,PRMRK - -; HAIR TO DO AUTO CHANNEL CLOSE - - MOVEI 0,N.CHNS-1 ; NUMBER OF CHANNELS - MOVEI A,CHNL1(TVP) ; 1ST SLOT - - SKIPE 1(A) ; NOW A CHANNEL? - SETZM (A) ; DON'T MARK AS CHANNELS - ADDI A,2 - SOJG 0,.-3 - - MOVE A,PVP ;START AT PROCESS VECTOR - MOVEI B,TPVP ;IT IS A PROCESS VECTOR - PUSHJ P,MARK ;AND MARK THIS VECTOR - MOVEI B,TPVP - MOVE A,MAINPR ; MARK MAIN PROCES EVEN IF SWAPPED OUT - PUSHJ P,MARK - -; ASSOCIATION AND VALUE FLUSHING PHASE - - SKIPN GCHAIR ; ONLY IF HAIR - PUSHJ P,VALFLS - - SKIPE GCHAIR ; IF NOT HAIR, DO CHANNELS NOW - PUSHJ P,CHNFLS - -;OPTIONAL RETIMING PHASE -;THIS HAS BEEN FLUSHED BECAUSE OF PLANNER - REPEAT 0,[ - SKIPE A,TIMOUT ;ANY TIME OVERFLOWS - PUSHJ P,RETIME ;YES, RE-CALIBRATE THEM -] -;UPDATE PARTOP - - MOVEI A,@BOTNEW - SUB A,PARNEW - MOVEM A,PARTOP - -;CORE ADJUSTMENT PHASE - MOVE P,GCPDL ; GET A PDL - SETZM CORSET ;CLEAR LATER CORE SETTING - PUSHJ P,CORADJ ;AND MAKE CORE ADJUSTMENTS - -;RELOCATION ESTABLISHMENT PHASE -;1 -- IN VECTOR SPACE, ESTABLISH POINTERS TO TOP OF CORE - MOVE A,VECTOP" ;START AT TOP OF VECTOR SPACE - MOVE B,VECNEW" ;AND SET TO INITIAL OFFSET - SUBI A,1 ;POINT TO DOPE WORDS - ADDI B,(A) ; WHERE TOP VECTOR WILL GO - PUSHJ P,VECREL ;AND ESTABLISH RELOCATION FOR VECTORS - SUBI B,(A) ; RE-RELATIVIZE VECNEW - MOVEM B,VECNEW ;SAVE FINAL OFFSET - - - ; MAP NEW PAIR SPACE IN FOR PAIR SPACE UPDATE - - MOVE B,PARTOP ; POINT TO TOP OF PAIRS - ADDI B,2000 - ANDCMI B,1777 - CAMGE B,VECBOT ; OVERLAP VECTORS - JRST DOMAP - MOVE C,VECBOT - ANDI C,1777 ; REL TO PAGE - ADDI C,FRONT ; 1ST DEST WORD - HRL C,VECBOT - BLT C,FRONT+1777 ; MUNG IT - -DOMAP: ASH B,-10. ; TO PAGES - MOVE A,PARBOT - MOVEI C,(A) ; COMPUTE HIS TOP - ADD C,PARNEW - ASH C,-10. - ASH A,-10. - SUBM A,B ; B==> - # OF PAGES - HRLI A,(B) ; AOBJN TO SOURCE AND DEST - MOVE B,A ; IN CASE OF FUNNY - HRRI B,(C) ; MAP HIS POSSIBLE HIGHER OR LOWER PAGES - PUSHJ P,%INFMP ; NOW FLUSH INF AND MAKE HIS CORE MINE - - ;POINTER UPDATE PHASE -;1 -- UPDATE ALL PAIR POINTERS - MOVE A,PARBOT ;START AT BOTTOM OF PAIR SPACE - PUSHJ P,PARUPD ;AND UPDATE ALL PAIR POINTERS - -;2 -- UPDATE ALL VECTORS - MOVE A,VECTOP ;START AT TOP OF VECTOR SPACE - PUSHJ P,VECUPD ;AND UPDATE THE POINTERS - MOVE A,CODTOP ; NOW UPDATE STORAGE STUFF - MOVEI D,0 ; FAKE OUT TO NOT UNMARK - PUSHJ P,STOUP - MOVSI D,400000 - -;3 -- UPDATE THE PVP AC - MOVEI A,PVP-1 ;SET LOC TO POINT TO PVP - MOVE C,PVP ;GET THE DATUM - PUSHJ P,NWRDUP ;AND UPDATE THIS VALUE -;4 -- UPDATE THE MAIN PROCESS POINTER - MOVEI A,MAINPR-1 ;POINT TO MAIN PROCESS POINTER - MOVE C,MAINPR ;GET CONTENTS IN C - PUSHJ P,NWRDUP ;AND UPDATE IT -;DATA MOVEMMENT ANDCLEANUP PHASE - -;1 -- ADJUST FOR SHRINKING VECTORS - MOVE A,VECTOP ;VECTOR SHRINKING PHASE - SKIPE SHRUNK ; SKIP IF NO SHRINKERS - PUSHJ P,VECSH ;GO SHRINK ANY SHRINKERS - -;2 -- MOVE VECTORS (AND LIST ELEMENTS) - MOVE A,VECTOP ;START AT TOP OF VECTOR SPACE - PUSHJ P,VECMOVE ;AND MOVE THE VECTORS - MOVE A,VECNEW ;GET FINAL CHANGE TO VECBOT - ADDM A,VECBOT ;OFFSET VECBOT TO ITS NEW PLACE - MOVE A,CORTOP ;GET NEW VALUE FOR TOP OF VECTOR SPACE - SUBI A,2000 ; FUDGE FOR MARK PDL - MOVEM A,VECTOP ;AND UPDATE VECTOP - -;3 -- CLEANUP VECTORS (NOTE A CONTAINS NEW VECTOP) - - SKIPE GREW ; SKIP IF NO GROWERS - PUSHJ P,VECZER ; - PUSHJ P,STOGC - -;GARBAGE ZEROING PHASE -GARZER: MOVE A,PARTOP ;FIRST WORD OF GARBAGE IS AFTER PAIR SPACE - HRLS A ;GET FIRST ADDRESS IN LEFT HALF - MOVE B,VECBOT ;LAST ADDRESS OF GARBAGE + 1 - CLEARM (A) ;ZERO THE FIRST WORD - ADDI A,1 ;MAKE A A BLT POINTER - BLT A,-1(B) ;AND COPY ZEROES INTO REST OF AREA - -;FINAL CORE ADJUSTMENT - SKIPE A,CORSET ;IFLESS CORE NEEDED - PUSHJ P,CORADL ;GIVE SOME AWAY. - -;NOW REHASH THE ASSOCIATIONS BASED ON NEW VALUES - - PUSHJ P,REHASH - - ;RESTORE AC'S -TRYCOX: MOVE 0,VECBOT - SUB 0,PARTOP - ADDM 0,NOWFRE - SKIPN GCMONF - JRST NOMONO - MOVEI B,[ASCIZ /GOUT /] - PUSHJ P,MSGTYP -NOMONO: IRP AC,,[0,A,B,C,D,E,P,R,M,SP,TP,TB,AB,PVP,TVP] - MOVE AC,AC!STO+1(PVP) - TERMIN -; CLOSING ROUTINE FOR G-C - PUSH P,A ; SAVE AC'C - PUSH P,B - PUSH P,C - PUSH P,D - PUSHJ P,CTIME - PUSHJ P,FIXSEN ; OUTPUT TIME - SKIPN GCMONF - JRST GCCONT - MOVEI A,15 ; OUTPUT C/R LINE-FEED - PUSHJ P,MTYO - MOVEI A,12 - PUSHJ P,MTYO -GCCONT: POP P,D ; RESTORE AC'C - POP P,C - POP P,B - POP P,A - MOVE A,GCDANG ; ERROR LEVELS TO ACS - ADD A,GCDNTG - SETZM GCDANG ; NOW CLEAR SAME - SETZM GCDNTG - JUMPGE A,AGCWIN - SKIPN GCHAIR ; WAS IT A FLUSHER? - JRST AGCWIN ; YES, NO MORE AVAILABLE - MOVEI A,1 - MOVEM A,GCHAIR ; RE-DO WITH HAIR - MOVE A,SPARNW ; RESET PARNEW - MOVEM A,PARNEW - SETZM SPARNW - MOVE C,[11,10.] ; INDICATOR FOR AGC - JRST AGC ; TRY ONCE MORE - -AGCWIN: SETZM PARNEW ;CLEAR FOR NEXT AGC CALL - SETZM GETNUM ;ALSO CLEAR THIS - SETZM GCFLG - - JUMPGE P,RBLDM ; DONT LOSE ON BLOWN PDLS - JUMPGE TP,RBLDM - CAMGE A,[-1] ; SKIP IF GOOD NEWS - JRST RBLDM - SETZM PGROW ; CLEAR GROWTH - SETZM TPGROW - SETOM GCHAPN ; INDICATE A GC HAS HAPPENED - SETOM INTFLG ; AND REQUEST AN INTERRUPT - SETZM GCDOWN - -RBLDM: JUMPGE R,CPOPJ - SKIPGE M,1(R) ; SKIP IF FUNNY - POPJ P, - - HLRS M - ADD M,PURVEC+1(TVP) - SKIPL M,1(M) - POPJ P, - PUSH P,0 - HRRZ 0,1(R) - ADD M,0 - POP P,0 -CPOPJ: POPJ P, - - -AGCE1: FATAL AGC--TYPE VECTOR NOT OF TYPE VECTOR - - ; CONVERSION FROM FLOAT TO DECIMAL. X 100 AND SEND OUT WITH APPROPRIATELY PLACED DECIMAL -; POINT. - -FIXSEN: PUSH P,B ; SAVE TIME - MOVEI B,[ASCIZ /TIME= /] - SKIPE GCMONF - PUSHJ P,MSGTYP ; PRINT OUT MESSAGE - POP P,B ; RESTORE B - FSBR B,GCTIM ; GET TIME ELAPSED - MOVEM B,GCTIM ; SAVE ELAPSED TIME FOR INT-HANDLER - SKIPN GCMONF - POPJ P, - FMPRI B,(100.0) ; CONVERT TO FIX - MULI B,400 - TSC B,B - ASH C,-163.(B) - MOVEI A,1 ; INITIALIZE COUNT OF CHARACTERS FOR PUTTING OUT TIME - PUSH P,C - IDIVI C,10. ; START COUNTING - JUMPLE C,.+2 - AOJA A,.-2 - POP P,C - CAIN A,1 ; SEE IF THERE IS ONLY ONE CHARACTER - JRST DOT1 -FIXOUT: IDIVI C,10. ; RECOVER NUMBER - HRLM D,(P) - SKIPE C - PUSHJ P,FIXOUT - PUSH P,A ; SAVE A - CAIN A,2 ; DECIMAL POINT HERE? - JRST DOT2 -FIX1: HLRZ A,(P)-1 ; GET NUMBER - ADDI A,60 ; MAKE IT A CHARACTER - PUSHJ P,MTYO ; OUT IT GOES - POP P,A - SOJ A, - POPJ P, -DOT1: MOVEI A,". ; OUTPUT DECIMAL POINT AND PADDING 0 - PUSHJ P,MTYO - MOVEI A,"0 - PUSHJ P,MTYO - JRST FIXOUT ; CONTINUE -DOT2: MOVEI A,". ; OUTPUT DECIMAL POINT - PUSHJ P,MTYO - JRST FIX1 - - ; INITIAL CORE ADJUSTMENT TO OBTAIN SPACE -; FOR MARK PHASE PDL - -TRYCOR: MOVEI A,2000 - ADDB A,CORTOP ; TRY AND GET 1 BLOCK - ASH A,-10. - MOVEI E,(A) ; SAVE FOR LOOPER - PUSHJ P,P.CORE ; GET CORE - JRST TRYCO2 ; FAILED, TAKE MORE ACTION - JRST CORGET - -TRYCO2: MOVNI A,2000 ; FIXUP CORTOP - ADDM A,CORTOP -TRYCO3: MOVE 0,TPGROW - ADD 0,PGROW ; 0/ NEQ 0 IF STACK BLEW - SKIPGE TP ; SKIP IF TP BLOWN - SKIPL PSTO+1(PVP) ; SKIP IF P WINS - MOVEI 0,1 - SKIPN 0 - MOVEI B,[ASCIZ / -CORE NEEDED: - TYPE C TO KEEP TRYING - TYPE N TO GET MUDDLE ERROR - TYPE V TO RETURN TO MONITOR -/] - SKIPE 0 - MOVEI B,[ASCIZ / -CORE NEEDED: - TYPE C TO KEEP TRYING - TYPE V TO RETURN TO MONITOR -/] - PUSH P,0 - PUSHJ P,MSGTYP - SETOM GCFLCH ; TELL INTERRUPT HANDLER TO .ITYIC - PUSHJ P,MTYI - PUSHJ P,UPLO ; IN CASE LOWER CASE TYPED - SETZM GCFLCH - POP P,0 - CAIN A,"C - JRST TRYCO4 - CAIN A,"N - JUMPE 0,TRYCO5 - CAIN A,"V - FATAL CORE LOSSAGE - JRST TRYCO3 - -UPLO: CAIL A,"a - CAILE A,"z - POPJ P, - SUBI A,40 - POPJ P, - -TRYCO4: MOVEI A,(E) -TRYCO9: MOVEI B,1 ; SLEEP AND CORE UNTIL WINNAGE - EXCH A,B - PUSHJ P,%SLEEP ; SLEEP A WHILE - EXCH A,B - PUSHJ P,P.CORE - JRST TRYCO9 - - MOVEI B,[ASCIZ / -WIN! -/] - PUSHJ P,MSGTYP - JRST CORGET - -TRYCO5: MOVNI A,3 ; GIVE WORST ERROR RETURN - MOVEM A,GCDANG - JRST TRYCOX - - - ; SUBROUTINE TO CHECK SIZE OF PDLS AND DO FENCEPOSTING - -PDLCHK: JUMPGE A,CPOPJ - HLRE B,A ;GET NEGATIVE COUNT - MOVE C,A ;SAVE A COPY OF PDL POINTER - SUBI A,-1(B) ;LOCATE DOPE WORD PAIR - HRRZS A ; ISOLATE POINTER - CAME A,TPGROW ;GROWING? - ADDI A,PDLBUF ;NO, POINT TO REAL DOPE WORD - HLRZ D,(A) ;GET COUNT FROM DOPE WORD - MOVNS B ;GET POSITIVE AMOUNT LEFT - SUBI D,2(B) ; PDL FULL? - JUMPE D,NOFENC ;YES NO FENCE POSTING - SETOM 1(C) ;CLOBBER TOP WORD - SOJE D,NOFENC ;STILL MORE? - MOVSI D,1(C) ;YES, SET UP TO BLT FENCE POSTS - HRRI D,2(C) - BLT D,-2(A) ;FENCE POST ALL EXCEPT DOPE WORDS - - -NOFENC: CAIG B,TPMAX ;NOW CHECK SIZE - CAIG B,TPMIN - JRST MUNGTP ;TOO BIG OR TOO SMALL - POPJ P, - -MUNGTP: SUBI B,TPGOOD ;FIND DELTA TP -MUNG3: MOVE C,-1(A) ;IS GROWTH ALREADY SPECIFIED - TRNE C,777000 ;SKIP IF NOT - POPJ P, ;ASSUME GROWTH GIVEN WILL WIN - - ASH B,-6 ;CONVERT TO NUMBER OF BLOCKS - JUMPLE B,MUNGT1 - CAILE B,377 ; SKIP IF BELOW MAX - MOVEI B,377 ; ELSE USE MAX - TRO B,400 ;TURN ON SHRINK BIT - JRST MUNGT2 -MUNGT1: MOVMS B - ANDI B,377 -MUNGT2: DPB B,[111100,,-1(A)] ;STORE IN DOPE WORD - POPJ P, - -; CHECK UNMARKED STACK (NO NEED TO FENCE POST) - -PDLCHP: HLRE B,A ;-LENGTH TO B - MOVE C,A - SUBI A,-1(B) ;POINT TO DOPE WORD - HRRZS A ;ISOLATE POINTER - CAME A,PGROW ;GROWING? - ADDI A,PDLBUF ;NO, POINT TO REAL DOPE WORD - MOVMS B ;PLUS LENGTH - HLRZ D,(A) ; D.W. LENGTH - SUBI D,2(B) ; PDL FULL - JUMPE D,NOPF - SETOM 1(C) ; START FENECE POST - SOJE D,NOPF ; 1 WORD? - MOVSI D,1(C) - HRRI D,2(C) - BLT D,-2(A) - -NOPF: CAIG B,PMAX ;TOO BIG? - CAIG B,PMIN ;OR TOO LITTLE - JRST .+2 ;YES, MUNG IT - POPJ P, - SUBI B,PGOOD - JRST MUNG3 - -;THIS ROUTINE MAKES SURE CURRENT FRAME MAKES SENSE -FRMUNG: MOVEM D,PSAV(A) - MOVEM SP,SPSAV(A) - MOVEM TP,TPSAV(A) ;SAVE FOR MARKING - POPJ P, - -; ROUTINE TO PRE MARK SPECIAL HACKS - -PRMRK: SKIPE GCHAIR ; FLUSH IF NO HAIR - POPJ P, - HLRE B,A - SUBI A,(B) ;POINT TO DOPE WORD - HLRZ B,1(A) ; GET LNTH - ADDM B,VECNUM ; AND UPDATE VECNUM - LDB B,[111100,,(A)] ; GET GROWTHS - TRZE B,400 ; SIGN HACK - MOVNS B - ASH B,6 ; TO WORDS - ADDM B,VECNUM - LDB 0,[001100,,(A)] - TRZE 0,400 - MOVNS 0 - ASH 0,6 - ADDM 0,VECNUM - PUSHJ P,GSHFLG ; SET GROW FLAGS - IORM D,1(A) ;AND MARK - POPJ P, - -; SET UP FLAGS FOR OPTIOANAL GROW/SHRINK PHASES - -GSHFLG: SKIPG B - SKIPLE 0 - SETOM GREW - SKIPL B - SKIPGE 0 - SETOM SHRUNK - POPJ P, - - ;GENERAL MARK SUBROUTINE. CALLED TO MARK ALL THINGS -; A/ GOODIE TO MARK FROM -; B/ TYPE OF A (IN RH) -; C/ TYPE,DATUM PAIR POINTER - -MARK2: HLRZ B,(C) ;GET TYPE -MARK1: MOVE A,1(C) ;GET GOODIE -MARK: JUMPE A,CPOPJ ; NEVER MARK 0 - MOVEI 0,(A) - CAIL 0,@PURBOT ; DONT MARK PURE STUFF - POPJ P, - PUSH P,A ;SAVE GOODIE - HRLM C,-1(P) ;AND POINTER TO IT - ANDI B,TYPMSK ; FLUSH MONITORS - LSH B,1 ;TIMES 2 TO GET SAT - HRRZ B,@TYPNT ;GET SAT - ANDI B,SATMSK - CAIG B,NUMSAT ; SKIP IF TEMPLATE DATA - JRST @MKTBS(B) ;AND GO MARK - JRST TD.MRK - -; DISPATCH TABLE FOR MARK PHASE ("SETZ'D" ENTRIES MUST BE DEFERRED) - -DISTBS MKTBS,GCRET,[[S2WORD,PAIRMK],[S2DEFR,DEFMK],[SNWORD,VECTMK] -[STPSTK,TPMK],[SARGS,],[S2NWORD,VECTMK],[SPSTK,TPMK],[SSTORE,VECTMK] -[SFRAME,],[SBYTE,],[SATOM,ATOMK],[SPVP,VECTMK],[SGATOM,GATOMK] -[SLOCID,],[SCHSTR,],[SASOC,ASMRK],[SLOCL,PAIRMK] -[SLOCA,],[SLOCV,VECTMK],[SLOCU,VECTMK],[SLOCS,],[SLOCN,ASMRK]] - - -;HERE TO MARK THAT WHICH IS POINTED TO BY A DEFERRED POINTER - -DEFMK: TLOA TYPNT,400000 ;USE SIGN BIT AS FLAG - -;HERE TO MARK LIST ELEMENTS - -PAIRMK: TLZ TYPNT,400000 ;TURN OF DEFER BIT - PUSH P,[0] ; WILL HOLD BACK PNTR - MOVEI C,(A) ;POINT TO LIST -PAIRM1: CAMGE C,PARTOP ;CHECK FOR BEING IN BOUNDS - CAMGE C,PARBOT - FATAL AGC--MARKED PAIR OUTSIDE PAIR SPACE - SKIPGE B,(C) ;SKIP IF NOT MARKED - JRST RETNEW ;ALREADY MARKED, RETURN - IORM D,(C) ;MARK IT - AOS PARNUM - MOVEM B,FRONT(FPTR) ; STORE 1ST WORD - MOVE 0,1(C) ; AND 2D - MOVEM 0,FRONT+1(FPTR) - ADD FPTR,[2,,2] ; MOVE ALONG IN FRONTIER - JUMPL FPTR,PAIRM2 ; NOD NEED FOR NEW CORE - -; HERE TO EXTEND THE FRONTIER - - HRRZ A,BOTNEW ; CURRENT BOTTOM OF WINDOW IN INF - ADDI A,2000 ; MOVE IT UP - HRRM A,BOTNEW - ASH A,-10. ; TO PAGES -SYSLO1: PUSHJ P,%GETIP ; GET PAGE - PUSHJ P,%SHFNT ; AND SHARE IT - MOVSI FPTR,-2000 - -PAIRM2: MOVEI A,@BOTNEW ; GET INF ADDR - SUBI A,2 - HRRM A,(C) ; LEAVE A POINTER TO NEW HOME - HRRZ E,(P) ; GET BACK POINTER - JUMPE E,PAIRM7 ; 1ST ONE, NEW FIXUP - MOVSI 0,(HRRM) ; INS FOR CLOBBER - PUSHJ P,SMINF ; SMASH INF'S CORE IMAGE -PAIRM4: MOVEM A,(P) ; NEW BACK POINTER - JUMPL TYPNT,DEFDO ;GO HANDLE DEFERRED POINTER - HRLM B,(P) ; SAVE OLD CDR - PUSHJ P,MARK2 ;MARK THIS DATUM - HRRZ E,(P) ; SMASH CAR IN CASE CHANGED - ADDI E,1 - MOVSI 0,(MOVEM) - PUSHJ P,SMINF - HLRZ C,(P) ;GET CDR OF LIST - CAIGE C,@PURBOT ; SKIP IF PURE (I.E. DONT MARK) - JUMPN C,PAIRM1 ;IF NOT NIL, MARK IT -GCRETP: SUB P,[1,,1] - -GCRET: TLZ TYPNT,400000 ;FOR PAIRMKS BENEFIT - HLRZ C,-1(P) ;RESTORE C - POP P,A - POPJ P, ;AND RETURN TO CALLER - -;HERE TO MARK DEFERRED POINTER - -DEFDO: PUSH P,B ; PUSH OLD PAIR ON STACK - PUSH P,1(C) - MOVEI C,-1(P) ; USE AS NEW DATUM - PUSHJ P,MARK2 ;MARK THE DATUM - HRRZ E,-2(P) ; GET POINTER IN INF CORE - ADDI E,1 - MOVSI 0,(MOVEM) - PUSHJ P,SMINF ; AND CLOBBER - SUB P,[3,,3] - JRST GCRET ;AND RETURN - - -PAIRM7: MOVEM A,-1(P) ; SAVE NEW VAL FOR RETURN - JRST PAIRM4 - -RETNEW: HRRZ A,(C) ; POINT TO NEW WORLD LOCN - HRRZ E,(P) ; BACK POINTER - JUMPE E,RETNW1 ; NONE - MOVSI 0,(HRRM) - PUSHJ P,SMINF - JRST GCRETP - -RETNW1: MOVEM A,-1(P) - JRST GCRETP - -; ROUTINE TO SMASH INFERIORS PPAGES -; E/ ADDR IN INF, A/ THING TO SMASH ,0/ INS TO USE - -SMINF: CAML E,WNDBOT ; SEE IF IN WINDOW - CAML E,WNDTOP - JRST SMINF1 ; NO TRY FRONTIER -SMINF3: SUB E,WNDBOT ; FIX UP - IOR 0,[0 A,WIND(E)] ; FIX INS - XCT 0 - POPJ P, - -SMINF1: PUSH P,0 - HRRZ 0,BOTNEW ; GET FRONTIER RANGE - CAML E,0 ; SKIP IF BELOW - CAIL E,@BOTNEW - JRST SMINF2 - SUB E,0 ; FIXUP E - POP P,0 - IOR 0,[0 A,FRONT(E)] - XCT 0 - POPJ P, - -SMINF2: PUSH P,A - MOVE A,E - ASH A,-10. ; TO PAGES - PUSHJ P,%SHWND - ASH A,10. ; BACK TO WORDS - MOVEM A,WNDBOT - ADDI A,2000 - MOVEM A,WNDTOP - POP P,A - POP P,0 ; RESTORE INS OF INTEREST - JRST SMINF3 - - - ; VECTOR AND TP MARKER, SIGN OF TYPNT IS SET BASED ON WHICH ONE - -TPMK: TLOA TYPNT,400000 ;SET TP MARK FLAG -VECTMK: TLZ TYPNT,400000 - MOVEI E,(A) ;SAVE A POINTER TO THE VECTOR - HLRE B,A ;GET -LNTH - SUB A,B ;LOCATE DOPE WORD - MOVEI A,1(A) ;ZERO LH AND POINT TO 2ND DOPE WORD - PUSHJ P,VECBND ; CHECK IN VECTOR SPACE - JRST VECTB1 ;LOSE, COMPLAIN - - JUMPGE TYPNT,NOBUFR ;IF A VECTOR, NO BUFFER CHECK - CAME A,PGROW ;IS THIS THE BLOWN P - CAMN A,TPGROW ;IS THIS THE GROWING PDL - JRST NOBUFR ;YES, DONT ADD BUFFER - ADDI A,PDLBUF ;POINT TO REAL DOPE WORD - MOVSI 0,-PDLBUF ;ALSO FIX UP POINTER - ADDB 0,1(C) - MOVEM 0,(P) ; FIXUP RET'D PNTR - -NOBUFR: HLRE B,(A) ;GET LENGTH FROM DOPE WORD - JUMPL B,GCRET ; MARKED, LEAVE - ANDI B,377777 ;CLOBBER POSSIBLE MARK BIT - MOVEI F,(A) ;SAVE A POINTER TO DOPE WORD - SUBI F,1(B) ;F POINTS TO START OF VECTOR - HRRZ 0,-1(A) ;SEE IF GROWTH SPECIFIED - MOVEI B,0 ; SET GROWTH 0 - JUMPE 0,NOCHNG ;NONE, JUST CHECK CURRENT SIZES - - LDB B,[001100,,0] ;GET GROWTH FACTOR - TRZE B,400 ;KILL SIGN BIT AND SKIP IF + - MOVNS B ;NEGATE - ASH B,6 ;CONVERT TO NUMBER OF WORDS - SUB F,B ;BOTTOM IS LOWER IN CORE - LDB 0,[111100,,0] ;GET TOP GROWTH - TRZE 0,400 ;HACK SIGN BIT - MOVNS 0 - ASH 0,6 ;CONVERT TO WORDS - PUSHJ P,GSHFLG ; HACK FLAGS FOR GROW/SHRINK - ADD B,0 ;TOTAL GROWTH TO B -NOCHNG: -VECOK: HLRE E,(A) ;GET LENGTH AND MARKING - MOVEI F,(E) ;SAVE A COPY - ADD F,B ;ADD GROWTH - SUBI E,2 ;- DOPE WORD LENGTH - IORM D,(A) ;MAKE SURE NOW MARKED - CAML A,VECBOT ; ONLY IF REALLY IN VEC SPACE - ADDM F,VECNUM ; ADD LENGTH OF VECTOR - JUMPLE E,GCRET ;ALREADY MARKED OR ZERO LENGTH, LEAVE - - SKIPGE B,-1(A) ;SKIP IF UNIFORM - TLNE B,377777 ;SKIP IF NOT SPECIAL - JUMPGE TYPNT,NOTGEN ;JUMP IF NOT A GENERAL VECTOR - -GENRAL: HLRZ 0,B ;CHECK FOR PSTACK - JUMPE 0,NOTGEN ;IT ISN'T GENERAL - SUBI A,1(E) ;POINT TO FIRST ELEMENT - MOVEI C,(A) ;POINT TO FIRST ELEMENT WITH C - - ; LOOP TO MARK ELEMENTS IN A GENERAL VECTOR - PUSH P,[0] -VECTM2: HLRE B,(C) ;GET TYPE AND MARKING - JUMPL B,GCRET1 ;RETURN, (EITHER DOPE WORD OR FENCE POST) - MOVE A,1(C) ;DATUM TO A - ANDI B,TYPMSK ; FLUSH MONITORS - CAIE B,TCBLK ;IS THIS A SAVED FRAME? - CAIN B,TENTRY ;IS THIS A STACK FRAME - JRST MFRAME ;YES, MARK IT - CAIE B,TUBIND ; BIND - CAIN B,TBIND ;OR A BINDING BLOCK - JRST MBIND - -VECTM3: PUSHJ P,MARK ;MARK DATUM - MOVEM A,1(C) ; IN CASE WAS FIXED -VECTM4: ADDI C,2 - JRST VECTM2 - -MFRAME: HRROI C,FRAMLN+FSAV-1(C) ;POINT TO FUNCTION - HRRZ A,1(C) ; GET IT - PUSHJ P,VECBND ; CHECK IN VECTOR SPACE - JRST MFRAM1 ; IGNORE, NOT IN VECTOR SPACE - HRL A,(A) ; GET LENGTH - MOVEI B,TVEC - PUSHJ P,MARK ; AND MARK IT -MFRAM1: HRROI C,SPSAV-FSAV(C) ;POINT TO SAVED SP - MOVEI B,TSP - PUSHJ P,MARK1 ;MARK THE GOODIE - HRROI C,PSAV-SPSAV(C) ;POINT TO SAVED P - MOVEI B,TPDL - PUSHJ P,MARK1 ;AND MARK IT - HRROI C,TPSAV-PSAV(C) ;POINT TO SAVED TP - MOVEI B,TTP - PUSHJ P,MARK1 ;MARK IT ALS - MOVEI C,-TPSAV+1(C) ;POINT PAST THE FRAME - JRST VECTM2 ;AND DO MORE MARKING - - -MBIND: MOVEI B,TATOM ;FIRST MARK ATOM - SKIPN GCHAIR ; IF NO HAIR, MARK ALL NOW - SKIPE (P) ; PASSED MARKER, IF SO DONT SKIP - JRST MBIND2 ; GO MARK - CAME A,IMQUOTE THIS-PROCESS - JRST MBIND1 ; NOT IT, CONTINUE SKIPPING - HRRM LPVP,2(C) ; SAVE IN RH OF TPVP,,0 - MOVEI LPVP,(C) ; POINT - SETOM (P) ; INDICATE PASSAGE -MBIND1: ADDI C,6 ; SKIP BINDING - JRST VECTM2 - -MBIND2: PUSHJ P,MARK1 ; MARK ATOM - ADDI C,2 ; POINT TO VAL - PUSHJ P,MARK2 ; AND MARK IT - MOVEM A,1(C) - ADDI C,2 - MOVEI B,TLIST ; POINT TO DECL SPECS - HLRZ A,(C) - PUSHJ P,MARK ; AND MARK IT - HRLM A,(C) ; LIST FIX UP - MOVEI B,TLOCI ; NOW MARK LOCATIVE - MOVE A,1(C) - JRST VECTM3 - -VECLOS: JUMPL C,CCRET ;JUMP IF CAN'T MUNG TYPE - HLLZ 0,(C) ;GET TYPE - MOVEI B,TILLEG ;GET ILLEGAL TYPE - HRLM B,(C) - MOVEM 0,1(C) ;AND STORE OLD TYPE AS VALUE - JRST GCRET ;RETURN WITHOUT MARKING VECTOR - -CCRET: CLEARM 1(C) ;CLOBBER THE DATUM - JRST GCRET - - -IGBLK: HRRZ B,(C) ;SKIP TO END OF PP BLOCK - ADDI C,3(B) - JRST VECTM2 - ; MARK ARG POINTERS - -ARGMK: HRRZ A,1(C) ; GET POINTER - HLRE B,1(C) ; AND LNTH - SUB A,B ; POINT TO BASE - PUSHJ P,VECBND - JRST ARGMK0 - HLRZ 0,(A) ; GET TYPE - ANDI 0,TYPMSK - CAIN 0,TCBLK - JRST ARGMK1 - CAIE 0,TENTRY ; IS NEXT A WINNER? - CAIN 0,TINFO - JRST ARGMK1 ; YES, GO ON TO WIN CODE - -ARGMK0: SETZB A,1(C) ; CLOBBER THE CELL - SETZM (P) ; AND SAVED COPY - JRST GCRET - -ARGMK1: MOVE B,1(A) ; ASSUME TTB - ADDI B,(A) ; POINT TO FRAME - CAIE 0,TINFO ; IS IT? - MOVEI B,FRAMLN(A) ; NO, USE OTHER GOODIE - HLRZ 0,OTBSAV(B) ; GET TIME - HRRZ A,(C) ; AND FROM POINTER - CAIE 0,(A) ; SKIP IF WINNER - JRST ARGMK0 - HRROI C,TPSAV-1(B) ; MARK FROM TP SLOT - MOVEI B,TTP - MOVE A,1(C) -; PUSHJ P,MARK ; WILL PUT BACK WHEN KNOWN HOW! - JRST GCRET - -; MARK FRAME POINTERS - -FRMK: SUBI C,1 ;PREPARE TO MARK PROCESS VECTOR - HRRZ A,1(C) ;USE AS DATUM - SUBI A,1 ;FUDGE FOR VECTMK - MOVEI B,TPVP ;IT IS A VECTRO - PUSHJ P,MARK ;MARK IT - JRST GCRET - -; MARK BYTE POINTER - -BYTMK: PUSHJ P,BYTDOP ; GET DOPE WORD IN A - SOJG A,VECTMK ;FUDGE DOPE WORD POINTER FOR VECTMK - - FATAL AGC--BYTE POINTER WITH ZERO DOPE WORD POINTER - - ; MARK ATOMS IN GVAL STACK - -GATOMK: HRRZ B,(C) ; POINT TO POSSIBLE GDECL - JUMPE B,ATOMK - CAIN B,-1 - JRST ATOMK - MOVEI A,(B) ; POINT TO DECL FOR MARK - MOVEI B,TLIST - MOVEI C,0 - PUSHJ P,MARK - HLRZ C,-1(P) ; RESTORE HOME POINTER - HRRM A,(C) ; CLOBBER UPDATED LIST IN - MOVE A,1(C) ; RESTORE ATOM POINTER - -; MARK ATOMS - -ATOMK: -REPEAT 0,[ - TLO TYPNT,.ATOM. ; SAY ATOM WAS MARKED - PUSHJ P,GETLNT ;GET LENGTH AND CHECK BOUNDS - HRRZ C,(A) ; IF UNBOUND OR GLOBAL - JUMPE C,MRKOBL ; SKIP - HRRZ C,1(A) ; DONT MARK BUT UPDATE BASED ON TPGROW - HLRE B,1(A) - SUB C,B ; POINT TO DOPE WORD - MOVEI C,1(C) ; POINT TO 2D DOPE WORD - MOVSI B,-PDLBUF ; IN CASE UPDATE - CAME C,TPGROW ; SKIP IF GROWER - ADDM B,1(A) ; OTHERWISE UPDATE -MRKOBL: MOVEI C,1(A) ; POINT TO OBLIST SLOT -] - TLO TYPNT,.ATOM. ; SAY ATOM WAS MARKED - MOVEI C,1(A) - HRRZ 0,(A) - PUSHJ P,GETLNT ;GET LENGTH AND CHECK BOUNDS - JUMPE 0,MRKOBL - HRRZ B,(C) - HLRE 0,(C) - SUB B,0 - MOVEI B,1(B) - MOVSI 0,-PDLBUF - CAME B,TPGROW - ADDM 0,(C) -MRKOBL: MOVEI B,TOBLS - SKIPGE 1(C) ; IF > 0, NOT OBL - PUSHJ P,MARK1 ; AND MARK IT - JRST GCRET ;AND LEAVE - -GETLNT: HLRE B,A ;GET -LNTH - SUB A,B ;POINT TO 1ST DOPE WORD - MOVEI A,1(A) ;POINT TO 2ND DOPE WORD - PUSHJ P,VECBND - JRST VECTB1 ;BAD VECTOR, COMPLAIN - - HLRE B,(A) ;GET LENGTH AND MARKING - IORM D,(A) ;MAKE SURE MARKED - JUMPL B,GCRET1 ;MARKED ALREADY, QUIT - SUBI A,-1(B) ;POINT TO TOP OF ATOM - CAML A,VECBOT ; DONT COUNT STORAGE - ADDM B,VECNUM ;UPDATE VECNUM - POPJ P, ;AND RETURN - -GCRET1: SUB P,[1,,1] ;FLUSH RETURN ADDRESS - JRST GCRET - -VECBND: CAMGE A,VECTOP - CAMGE A,VECBOT - JRST .+2 - JRST CPOPJ1 - - CAMG A,CODTOP - CAIGE A,STOSTR - POPJ P, - JRST CPOPJ1 - -; MARK NON-GENERAL VECTORS - -NOTGEN: CAMN B,[GENERAL+] ;PROCESS VECTOR? - JRST GENRAL ;YES, MARK AS A VECTOR - JUMPL B,SPECLS ; COMPLAIN IF A SPECIAL HACK - SUBI A,1(E) ;POINT TO TOP OF A UNIFORM VECTOR - HLRZS B ;ISOLATE TYPE - ANDI E,TYPMSK - MOVE F,B ; AND COPY IT - LSH B,1 ;FIND OUT WHERE IT WILL GO - HRRZ B,@TYPNT ;GET SAT IN B - ANDI B,SATMSK - MOVEI C,@MKTBS(B) ;POINT TO MARK SR - CAIN C,GCRET ;IF NOT A MARKED FROM GOODIE, IGNORE - JRST GCRET - MOVEI C,-1(A) ;POINT 1 PRIOR TO VECTOR START - PUSH P,E ;SAVE NUMBER OF ELEMENTS - PUSH P,F ;AND UNIFORM TYPE - -UNLOOP: MOVE B,(P) ;GET TYPE - MOVE A,1(C) ;AND GOODIE - TLO C,400000 ;CAN'T MUNG TYPE - PUSHJ P,MARK ;MARK THIS ONE - MOVEM A,1(C) ; LIST FIXUP - SOSE -1(P) ;COUNT - AOJA C,UNLOOP ;IF MORE, DO NEXT - - SUB P,[2,,2] ;REMOVE STACK CRAP - JRST GCRET - - -SPECLS: FATAL AGC--UNRECOGNIZED SPECIAL VECTOR - - ;MARK LOCID TYPE GOODIES - -LOCMK: HRRZ B,(C) ;GET TIME - JUMPE B,LOCMK1 ; SKIP LEGAL CHECK FOR GLOBAL - HRRZ 0,2(A) ; GET OTHER TIME - CAIE 0,(B) ; SAME? - SETZB A,1(C) ; NO, SMASH LOCATIVE - JUMPE A,GCRET ; LEAVE IF DONE -LOCMK1: PUSH P,C - MOVEI B,TATOM ; MARK ATOM - MOVEI C,-2(A) ; POINT TO ATOM - PUSHJ P,MARK1 ; LET LOCATIVE SAVE THE ATOM - POP P,C - HRRZ B,(C) ; TIME BACK - MOVE A,1(C) ; RESTORE POINTER TO STACK - JUMPE B,VECTMK ;IF ZERO, GLOBAL - JRST TPMK ;ELSE, ON TP - -; MARK ASSOCIATION BLOCKS - -ASMRK: HRLI A,-ASOLNT ;LOOK LIKE A VECTOR POINTER - PUSHJ P,GETLNT ;GET LENGTH AND CHECK BOUNDS - MOVEI C,(A) ;COPY POINTER - PUSHJ P,MARK2 ;MARK ITEM CELL - MOVEM A,1(C) - ADDI C,INDIC-ITEM ;POINT TO INDICATOR - PUSHJ P,MARK2 - MOVEM A,1(C) - ADDI C,VAL-INDIC - PUSHJ P,MARK2 - MOVEM A,1(C) - SKIPN GCHAIR ; IF NO HAIR, MARK ALL FRIENDS - JRST GCRET - HRRZ A,NODPNT-VAL(C) ; NEXT - JUMPN A,ASMRK ; IF EXISTS, GO - JRST GCRET - - - -;HERE WHEN A VECTOR POINTER IS BAD - -VECTB1:FATAL AGC--VECTOR POINTS OUTSIDE OF VECTOR SPACE - - ; HERE TO MARK TEMPLATE DATA STRUCTURES - -TD.MRK: HLRZ B,(A) ; GET REAL SPEC TYPE - ANDI B,377777 ; KILL SIGN BIT - MOVEI E,-NUMSAT-1(B) ; GET REL POINTER TO TABLE - HRLI E,(E) - ADD E,TD.LNT+1(TVP) - HRRZS C,A ; FLUSH COUNT AND SAVE - SKIPL E ; WITHIN BOUNDS - FATAL BAD SAT IN AGC - PUSHJ P,GETLNT ; GOODIE IS NOW MARKED - - XCT (E) ; RET # OF ELEMENTS IN B - - HLRZ D,B ; GET POSSIBLE "BASIC LENGTH" FOR RESTS - PUSH P,[0] ; TEMP USED IF RESTS EXIST - PUSH P,D - MOVEI B,(B) ; ZAP TO ONLY LENGTH - PUSH P,C ; SAVE POINTER TO TEMPLATE STRUCTURE - PUSH P,[0] ; HOME FOR VALUES - PUSH P,[0] ; SLOT FOR TEMP - PUSH P,B ; SAVE - SUB E,TD.LNT+1(TVP) - PUSH P,E ; SAVE FOR FINDING OTHER TABLES - JUMPE D,TD.MR2 ; NO REPEATING SEQ - ADD E,TD.GET+1(TVP) ; COMP LNTH OF REPEATING SEQ - HLRE E,(E) ; E ==> - LNTH OF TEMPLATE - ADDI E,(D) ; E ==> -LENGTH OF REP SEQ - MOVNS E - HRLM E,-5(P) ; SAVE IT AND BASIC - -TD.MR2: SKIPG D,-1(P) ; ANY LEFT? - JRST TD.MR1 - - MOVE E,TD.GET+1(TVP) - ADD E,(P) - MOVE E,(E) ; POINTER TO VECTOR IN E - MOVEM D,-6(P) ; SAVE ELMENT # - SKIPN B,-5(P) ; SKIP IF "RESTS" EXIST - SOJA D,TD.MR3 - - MOVEI 0,(B) ; BASIC LNT TO 0 - SUBI 0,(D) ; SEE IF PAST BASIC - JUMPGE 0,.-3 ; JUMP IF O.K. - MOVSS B ; REP LNT TO RH, BASIC TO LH - IDIVI 0,(B) ; A==> -WHICH REPEATER - MOVNS A - ADD A,-5(P) ; PLUS BASIC - ADDI A,1 ; AND FUDGE - MOVEM A,-6(P) ; SAVE FOR PUTTER - ADDI E,-1(A) ; POINT - SOJA D,.+2 - -TD.MR3: ADDI E,(D) ; POINT TO SLOT - XCT (E) ; GET THIS ELEMENT INTO A AND B - MOVEM A,-3(P) ; SAVE TYPE FOR LATER PUT - MOVEM B,-2(P) - EXCH A,B ; REARRANGE - GETYP B,B - MOVEI C,-3(P) ; TELL OTHER GUYS THEY CANT DIRECTLY MUNG - MOVSI D,400000 ; RESET FOR MARK - PUSHJ P,MARK ; AND MARK THIS GUY (RET FIXED POINTER IN A) - MOVE C,-4(P) ; REGOBBLE POINTER TO TEMPLATE - MOVE E,TD.PUT+1(TVP) - MOVE B,-6(P) ; RESTORE COUNT - ADD E,(P) - MOVE E,(E) ; POINTER TO VECTOR IN E - ADDI E,(B)-1 ; POINT TO SLOT - MOVE B,-3(P) ; RESTORE TYPE WORD - EXCH A,B - SOS D,-1(P) ; GET ELEMENT # - XCT (E) ; SMASH IT BACK - FATAL TEMPLATE LOSSAGE - MOVE C,-4(P) ; RESTORE POINTER IN CASE MUNGED - JRST TD.MR2 - -TD.MR1: SUB P,[7,,7] - MOVSI D,400000 ; RESTORE MARK/UNMARK BIT - JRST GCRET - -; This phase attempts to remove any unwanted associations. The program -; loops through the structure marking values of associations. It can only -; stop when no new values (potential items and/or indicators) are marked. - -VALFLS: PUSH P,[0] ; INDICATE WHETHER ANY ON THIS PASS - PUSH P,[0] ; OR THIS BUCKET -ASOMK1: MOVE A,ASOVEC+1(TVP) ; GET VECTOR POINTER - SETOM -1(P) ; INITIALIZE FLAG - -ASOM6: SKIPG C,(A) ; SKIP IF BUCKET TO BE SCANNED - JRST ASOM1 - SETOM (P) ; SAY BUCKET NOT CHANGED - -ASOM2: MOVEI F,(C) ; COPY POINTER - SKIPG ASOLNT+1(C) ; SKIP IF NOT ALREADY MARKED - JRST ASOM4 ; MARKED, GO ON - PUSHJ P,MARKQ ; SEE IF ITEM IS MARKED - JRST ASOM3 ; IT IS NOT, IGNORE IT - MOVEI F,(C) ; IN CASE CLOBBERED BY MARK2 - MOVEI C,INDIC(C) ; POINT TO INDICATOR SLOT - PUSHJ P,MARKQ - JRST ASOM3 ; NOT MARKED - - PUSH P,A ; HERE TO MARK VALUE - PUSH P,F - HLRE F,ASOLNT-INDIC+1(C) ; GET LENGTH - JUMPL F,.+3 ; SKIP IF MARKED - CAML C,VECBOT ; SKIP IF IN NOT VECT SPACE - ADDM F,VECNUM - PUSHJ P,MARK2 ; AND MARK - MOVEM A,1(C) ; LIST FIX UP - ADDI C,ITEM-INDIC ; POINT TO ITEM - PUSHJ P,MARK2 - MOVEM A,1(C) - ADDI C,VAL-ITEM ; POINT TO VALUE - PUSHJ P,MARK2 - MOVEM A,1(C) - IORM D,ASOLNT-VAL+1(C) ; MARK ASOC BLOCK - POP P,F - POP P,A - AOSA -1(P) ; INDICATE A MARK TOOK PLACE - -ASOM3: AOS (P) ; INDICATE AN UNMARKED IN THIS BUCKET -ASOM4: HRRZ C,ASOLNT-1(F) ; POINT TO NEXT IN BUCKET - JUMPN C,ASOM2 ; IF NOT EMPTY, CONTINUE - SKIPGE (P) ; SKIP IF ANY NOT MARKED - HRROS (A) ; MARK BUCKET AS NOT INTERESTING -ASOM1: AOBJN A,ASOM6 ; GO TO NEXT BUCKET - TLZE TYPNT,.ATOM. ; ANY ATOMS MARKED? - JRST VALFLA ; YES, CHECK VALUES -VALFL8: - -; NOW SEE WHICH CHANNELS STILL POINTED TO - -CHNFL3: MOVEI 0,N.CHNS-1 - MOVEI A,CHNL1(TVP) ; SLOTS - HRLI A,TCHAN ; TYPE HERE TOO - -CHNFL2: SKIPN B,1(A) - JRST CHNFL1 - HLRE C,B - SUBI B,(C) ; POINT TO DOPE - HLLM A,(A) ; PUT TYPE BACK - SKIPGE 1(B) - JRST CHNFL1 - HLLOS (A) ; MARK AS A LOSER - PUSH P,A - PUSH P,0 - MOVEI C,(A) - PUSHJ P,MARK2 - POP P,0 - POP P,A - SETZM -1(P) ; SAY MARKED -CHNFL1: ADDI A,2 - SOJG 0,CHNFL2 - - SKIPE GCHAIR ; IF NOT HAIRY CASE - POPJ P, ; LEAVE - - SKIPL -1(P) ; SKIP IF NOTHING NEW MARKED - JRST ASOMK1 - - SUB P,[2,,2] ; REMOVE FLAGS - - - - ; HERE TO REEMOVE UNUSED ASSOCIATIONS - - MOVE A,ASOVEC+1(TVP) ; GET ASOVEC BACK FOR FLUSHES - -ASOFL1: SKIPN C,(A) ; SKIP IF BUCKET NOT EMPTY - JRST ASOFL2 ; EMPTY BUCKET, IGNORE - HRRZS (A) ; UNDO DAMAGE OF BEFORE - -ASOFL5: SKIPGE ASOLNT+1(C) ; SKIP IF UNMARKED - JRST ASOFL3 ; MARKED, DONT FLUSH - - HRRZ B,ASOLNT-1(C) ; GET FORWARD POINTER - HLRZ E,ASOLNT-1(C) ; AND BACK POINTER - JUMPN E,ASOFL4 ; JUMP IF NO BACK POINTER (FIRST IN BUCKET) - HRRZM B,(A) ; FIX BUCKET - JRST .+2 - -ASOFL4: HRRM B,ASOLNT-1(E) ; FIX UP PREVIOUS - JUMPE B,.+2 ; JUMP IF NO NEXT POINTER - HRLM E,ASOLNT-1(B) ; FIX NEXT'S BACK POINTER - HRRZ B,NODPNT(C) ; SPLICE OUT THRAD - HLRZ E,NODPNT(C) - SKIPE E - HRRM B,NODPNT(E) - SKIPE B - HRLM E,NODPNT(B) - -ASOFL3: HRRZ C,ASOLNT-1(C) ; GO TO NEXT - JUMPN C,ASOFL5 -ASOFL2: AOBJN A,ASOFL1 - -; NOW CLOBBER UNMARKED LOCAL NAD GLOBAL VALUES - - MOVE A,GLOBSP+1(TVP) ; GET GLOBAL PDL - -GLOFLS: SKIPGE (A) ; SKIP IF NOT ALREADY MARKED - JRST .+3 ; VIOLATE CARDINAL RULE #69 - MOVSI B,-3 - PUSHJ P,ZERSLT ; CLOBBER THE SLOT - ANDCAM D,(A) ; UNMARK - ADD A,[4,,4] - JUMPL A,GLOFLS ; MORE?, KEEP LOOPING - -LOCFL1: HRRZ A,(LPVP) ; NOW CLOBBER LOCAL SLOTS - HRRZ C,2(LPVP) - HLLZS 2(LPVP) ; NOW CLEAR - MOVEI LPVP,(C) - JUMPE A,LOCFL2 ; NONE TO FLUSH - -LOCFLS: SKIPGE (A) ; MARKDE? - JRST .+3 - MOVSI B,-5 - PUSHJ P,ZERSLT - ANDCAM D,(A) ;UNMARK - HRRZ A,(A) ; GO ON - JUMPN A,LOCFLS -LOCFL2: JUMPN LPVP,LOCFL1 ; JUMP IF MORE PROCESS - POPJ P, - - - -MARK23: PUSH P,A ; SAVE BUCKET POINTER - PUSH P,F - PUSHJ P,MARK2 - MOVEM A,1(C) - POP P,F - POP P,A - AOS -2(P) ; MARKING HAS OCCURRED - IORM D,ASOLNT+1(C) ; MARK IT - JRST MKD - - ; CHANNEL FLUSHER FOR NON HAIRY GC - -CHNFLS: PUSH P,[-1] - SETOM (P) ; RESET FOR RETRY - PUSHJ P,CHNFL3 - SKIPL (P) - JRST .-3 ; REDO - SUB P,[1,,1] - POPJ P, - -; VALUE FLUSHING PHASE, HACKS BOTTOM OF TP AND GLOBAL SP - -VALFLA: MOVE C,GLOBSP+1(TVP) - -VALFL1: SKIPL (C) ; SKIP IF NOT MARKED - PUSHJ P,MARKQ ; SEE IF ATOM IS MARKED - JRST VALFL2 - IORM D,(C) - AOS -1(P) ; INDICATE MARK OCCURRED - PUSH P,C - HRRZ B,(C) ; GET POSSIBLE GDECL - JUMPE B,VLFL10 ; NONE - CAIN B,-1 ; MAINFIFEST - JRST VLFL10 - MOVEI A,(B) - MOVEI B,TLIST - MOVEI C,0 - PUSHJ P,MARK ; MARK IT - MOVE C,(P) ; POINT - HRRM A,(C) ; CLOBBER UPDATE IN -VLFL10: ADD C,[2,,2] ; BUMP TO VALUE - PUSHJ P,MARK2 ; MARK VALUE - MOVEM A,1(C) - POP P,C -VALFL2: ADD C,[4,,4] - JUMPL C,VALFL1 ; JUMP IF MORE - - HRLM LPVP,(P) ; SAVE POINTER -VALFL7: MOVEI C,(LPVP) - MOVEI LPVP,0 -VALFL6: HRRM C,(P) - -VALFL5: HRRZ C,(C) ; CHAIN - JUMPE C,VALFL4 - MOVEI B,TATOM ; TREAT LIKE AN ATOM - SKIPL (C) ; MARKED? - PUSHJ P,MARKQ1 ; NO, SEE - JRST VALFL5 ; LOOP - AOS -1(P) ; MARK WILL OCCUR - IORM D,(C) - ADD C,[2,,2] ; POINT TO VALUE - PUSHJ P,MARK2 ; MARK VALUE - MOVEM A,1(C) - SUBI C,2 - JRST VALFL5 - -VALFL4: HRRZ C,(P) ; GET SAVED LPVP - MOVEI A,(C) - HRRZ C,2(C) ; POINT TO NEXT - JUMPN C,VALFL6 - JUMPE LPVP,VALFL9 - - HRRM LPVP,2(A) ; NEW PROCESS WAS MARKED - JRST VALFL7 - -ZERSLT: HRRI B,(A) ; COPY POINTER - SETZM 1(B) - AOBJN B,.-1 - POPJ P, - -VALFL9: HLRZ LPVP,(P) ; RESTORE CHAIN - JRST VALFL8 - - - ;SUBROUTINE TO SEE IF A GOODIE IS MARKED -;RECEIVES POINTER IN C -;SKIPS IF MARKED NOT OTHERWISE - -MARKQ: HLRZ B,(C) ;TYPE TO B -MARKQ1: MOVE E,1(C) ;DATUM TO C - MOVEI 0,(E) - CAIL 0,@PURBOT ; DONT CHACK PURE - JRST MKD ; ALWAYS MARKED - ANDI B,TYPMSK ; FLUSH MONITORS - LSH B,1 - HRRZ B,@TYPNT ;GOBBLE SAT - ANDI B,SATMSK - CAIG B,NUMSAT ; SKIP FOR TEMPLATE - JRST @MQTBS(B) ;DISPATCH - ANDI E,-1 ; FLUSH REST HACKS - JRST VECMQ - - -DISTBS MQTBS,MKD,[[S2WORD,PAIRMQ],[S2DEFR,PAIRMQ],[SNWORD,VECMQ],[S2NWORD,VECMQ] -[STPSTK,VECMQ],[SARGS,ARGMQ],[SPSTK,VECMQ],[SFRAME,FRMQ],[SBYTE,BYTMQ],[SLOCID,LOCMQ] -[SATOM,VECMQ],[SPVP,VECMQ],[SLOCID,VECMQ],[SCHSTR,BYTMQ],[SLOCA,ARGMQ],[SLOCU,VECMQ] -[SLOCV,VECMQ],[SLOCS,BYTMQ],[SLOCN,ASMQ],[SASOC,ASMQ],[SLOCL,PAIRMQ],[SGATOM,VECMQ]] - -PAIRMQ: JUMPE E,MKD ; NIL ALWAYS MARKED - SKIPL (E) ; SKIP IF MARKED - POPJ P, -CPOPJ1: -ARGMQ: -MKD: AOS (P) - POPJ P, - -BYTMQ: HRRZ E,(C) ;GET DOPE WORD POINTER - SOJA E,VECMQ1 ;TREAT LIKE VECTOR - -FRMQ: HRRZ E,(C) ; POINT TO PV DOPE WORD - SOJA E,VECMQ1 - - -VECMQ: HLRE 0,E ;GET LENGTH - SUB E,0 ;POINT TO DOPE WORDS - -VECMQ1: SKIPGE 1(E) ;SKIP IF NOT MARKED - AOS (P) ;MARKED, CAUSE SKIP RETURN - POPJ P, - -ASMQ: SUBI E,ASOLNT - JRST VECMQ1 - -LOCMQ: HRRZ 0,(C) ; GET TIME - JUMPE 0,VECMQ ; GLOBAL, LIKE VECTOR - HLRE 0,E ; FIND DOPE - SUB E,0 - MOVEI E,1(E) ; POINT TO LAST DOPE - CAMN E,TPGROW ; GROWING? - SOJA E,VECMQ1 ; YES, CHECK - ADDI E,PDLBUF ; FUDGE - MOVSI 0,-PDLBUF - ADDM 0,1(C) - SOJA E,VECMQ1 - REPEAT 0,[ - - - -;RETIME PHASE -- CALLED IFF A FRAME TIME HAS OVERFLOWED -;RECEIVES POINTER TO STACK TO BE RECALIBRATED IN A -;LEAVES HIGHEST TIME IN TIMOUT - -RETIME: HLRE B,A ;GET LENGTH IN B - SUB A,B ;COMPUTE DOPE WORD LOCATION - MOVEI A,1(A) ;POINT TO 2D DOPE WORD AND CLEAR LH - CAME A,TPGROW ;IS THIS ONE BLOWN? - ADDI A,PDLBUF ;NO, POINT TO DOPE WORD - LDB B,[222100,,(A)] ;GET LENGTH FIELD (IGNOREING MARK BIT - SUBI A,-1(B) ;POINT TO PDLS BASE - MOVEI C,1 ;INITIALIZE NEW TIMES - -RETIM1: SKIPGE B,(A) ;IF <0, HIT DOPE WORD OR FENCE POST - JRST RETIM3 - HLRZS B ;ISOLATE TYPE - CAIE B,TENTRY ;FRAME START? - AOJA A,RETIM2 ;NO, TRY BINDING - HRLM C,FRAMLN+OTBSAV(A) ;STORE NEW TIME - ADDI A,FRAMLN ;POINT TO NEXT ELEMENT - AOJA C,RETIM1 ;BUMP TIME AND MOVE ON - -RETIM2: CAIE B,TUBIND - CAIN B,TBIND ;BINDING? - HRRM C,3(A) ;YES, STORE CURRENT TIME - AOJA A,RETIM1 ;AND GO ON - -RETIM3: MOVEM C,TIMOUT ;SAVE TIME - POPJ P, ;RETURN - - -] - - ; Core adjustment phase, try to win in all obscure cases! - -CORADJ: MOVE A,P.TOP ; update AGCs core top - MOVEM A,CORTOP - MOVE A,PARBOT ; figure out all the core needed - ADD A,PARNEW - ADD A,PARNUM - ADD A,PARNUM - ADD A,VECNUM - ADDI A,3777 ; account for gc pdl and round to block - ANDCMI A,1777 - -CORAD3: CAMG A,PURTOP ; any way of winning at all? - JRST CORAD1 ; yes, go try -CORA33: SETOM GCDNTG ; no, can't even grow something - SETOM GCDANG ; or get current request - SKIPL C,PARNEW ; or move pairs up - SETZM PARNEW - MOVEM C,SPARNW ; save attempt in case of retry - -CORAD6: MOVE A,CORTOP ; update core gotton with needed - ASH A,-10. ; to blocks - PUSHJ P,P.CORE ; try to get it (any lossage will retry) - PUSHJ P,SLPM1 -CORA11: MOVE A,CORTOP ; compute new home for vectors - SUB A,VECTOP - SUBI A,2000 ; remember gc pdl - MOVEM A,VECNEW - POPJ P, ; return to main GC loop - -; Here if at least enough for growers - -CORAD1: SKIPN B,GCDOWN ; skip if were called to get pure space - JRST CORAD2 - ADDI A,2000(B) ; A/ enough for move down and minimum free - CAMG A,PURTOP ; any chance of winning? - JRST CORAD4 ; yes, go win some - -; Here if cant move down - - SETOM GCDANG ; complain upon return - SUBI A,2000(B) ; reset for re-entry into loop - CAMLE A,PURTOP ; win? - JRST CORA33 - -; Here if may be able to grant current request - -CORAD2: ADD A,GETNUM ; A/ total neede including request - ADD A,CURPLN ; dont give self away or something - ADDI A,3777 ; at least one free block and round - ANDCMI A,1777 ; to block boundary - CAMG A,PURTOP ; any hope of this? - JRST CORAD5 ; yes, now see if some slop space can appear - - SETOM GCDANG ; tell caller we lost - MOVE A,PURTOP ; try to get as much as possible anyway - SUB A,PURBOT - SUB A,CURPLN -CORAD8: ASH A,-10. ; to pages - PUSHJ P,GETPAG - FATAL PAGES NOT AVAILABLE - MOVSI D,400000 ; wipes out D - MOVE A,PURBOT ; and use current PURBOT as new core top - SUBI A,2000 ; for gc pdl - MOVEM A,CORTOP - JRST CORAD6 ; and allocate necessary pages - -; Here if real necessities taken care of, try for slop space - -CORAD5: ADD A,FREMIN ; try for minimum - SUBI A,2000-1777 ; round and flush min 2000 of before - ANDCMI A,1777 ; round to block boundary - CAMG A,PURTOP ; again, do we win? - JRST CORAD7 ; yes, we win totally - -; Here if cant get desired free but get some - - MOVE A,PURTOP ; compute pages to flush - SUB A,CURPLN ; again dont flush current prog - SUB A,PURBOT ; A/ words to get - JRST CORAD8 ; go do it - -; Here if can get all the free we want - -CORAD7: SUB A,CURPLN - CAMG A,PURBOT ; do any pages get the ax? - JRST CORAD9 ; no, see if can give core back! - SUB A,PURBOT ; words to get purely - JRST CORAD8 - -CORAD9: CAMG A,CORTOP ; skip if must get core - JRST CORA10 - MOVEM A,CORTOP - JRST CORAD6 ; and go get it - -; Here if still may have to give it back - -CORA10: MOVE B,CORTOP - SUB B,A - CAMG B,FREDIF ; skip if giving awy - JRST CORA11 - -CORA12: MOVEM A,CORTOP - ASH A,-10. - MOVEM A,CORSET ; leave to shrink later - JRST CORA11 - -; Here if going down to also get free space - -CORAD4: SUBI A,2000 ; uncompensate for min - ADD A,FREMIN - CAML A,CORTOP ; skip if ok for max - MOVE A,CORTOP ; else use up to pure - SUB A,GCDOWN ; new CORTOP to A - JRST CORA12 ; go set up final shrink - -; routine to wait for core - -SLPM1: MOVEI 0,1 - .SLEEP 0, - SOS (P) - SOS (P) ; ret to prev ins - POPJ P, - -CORADL: PUSHJ P,P.CORE ;SET TO NEW CORE VALUE - FATAL AGC--CANT CORE DOWN - POPJ P, - ;VECTOR RELOCATE --GETS VECTOP IN A -;AND VECNEW IN B -;FILLS IN RELOCATION FIELDS OF MARKED VECTORS -;AND REUTRNS FINAL VECNEW IN B - -VECREL: CAMG A,VECBOT ;PROCESSED TO BOTTOM OF VECTOR SPACE? - POPJ P, ;YES, RETURN - HLRE C,(A) ;GET COUNT FROM DOPE WD, EXTEND MARK BIT - JUMPL C,VECRE1 ;IF MARKED GO PROCESS - HRRM A,(A) ; INDICATE NON-MOVE BY LEAVING SAME - SUBI A,(C) ;MOVE ON TO NEXT VECTOR - SOJG C,VECREL ;AND KEEP SCANNING - JSP D,VCMLOS ;LOSER, LEAVE TRACKS AS TO WHO LOST - -VECRE1: HRRZ E,-1(A) ;GOBBLE THE GROWTH FILEDS - HRRM B,(A) ;STORE RELOCATION - JUMPE E,VECRE2 ;NO GROWTH (OR SHRINKAGE), GO AWAY - LDB F,[111100,,E] ;GET TOP GROWTH IN F - TRZN F,400 ;CHECK AND FLUSH SIGN - MOVNS F ;WAS ON, NEGATE - SKIPE GCDNTG ; SKIP IF GROWTH OK - JUMPL F,VECRE3 ; DONT ALLOW POSITIVE GROWTH - ASH F,6 ;CONVERT TO WORDS - ADD B,F ;UPDATE RELOCATION - HRRM B,(A) ;AND STORE IT -VECRE3: ANDI E,777 ;ISOLATE BOTTOM GROWTH - TRZN E,400 ;CHECK AND CLEAR SIGN - MOVNS E - SKIPE GCDNTG ; SKIP IF GROWTH OK - JUMPL E,VECRE2 - ASH E,6 ;CONVERT TO WORDS - ADD B,E ;UPDATE FUTURE RELOCATIONS -VECRE2: SUBI A,400000(C) ;AND MOVE ON TO NEXT VECTOR - ANDI C,377777 ;KILL MARK - SUBI B,(C) ; UPDATE WHERE TO GO LOCN - SOJG C,VECREL ;AND KEEP GOING - JSP D,VCMLOS ;LOSES, LEAVE TRACKS - -;PAIR SPACE UPDATE - -;GETS PARBOT IN AC A -;UPDATES VALUES AND CDRS UP TO PARTOP - -PARUPD: CAML A,PARTOP ;ARE THERE MORE PAIRS TO PROCESS - POPJ P, ;NO -- RETURN - -;UPDATE VALUE CELL -PARUP1: ANDCAM D,(A) ; KILL MARK BIT - HLRZ B,(A) ;SET RH OF B TO TYPE - MOVE C,1(A) ;SET C TO VALUE - PUSHJ P,VALUPD ;UPDATE THIS VALUE - ADDI A,2 ;MOVE ON TO NEXT PAIR - JRST PARUPD ;AND CONTINUE - - - ;VECTOR SPACE UPDATE -;GETS VECTOP IN A -;UPDATES ALL VALUE CELLS IN MARKED VECTORS -;ESCAPES WHEN IT GETS TO VECBOT - -VECUPD: SUBI A,1 ;MAKE A POINT TO LAST DOPE WD - PUSH P,VECBOT - PUSHJ P,UPD1 - SUB P,[1,,1] - POPJ P, - -; STORAGE SPACE UPDATE - -STOUP: PUSH P,[STOSTR] - PUSHJ P,UPD1 - SUB P,[1,,1] - JRST ENHACK -UPD1: -VECUP1: CAMG A,-1(P) ;ANY MORE VECTORS TO PROCESS? - POPJ P, - SKIPGE B,(A) ;IS DOPE WORD MARKED? - JRST VECUP2 ;YES -- GO PROCESS VALUES IN THIS VECTOR - HLLZS -1(A) ;MAKE SURE NO GROWTH ATTEMPTS - HLRZS B ;NO -- SET RH OF B TO SIZE OF VECTOR -VECUP5: SUB A,B ;SET A TO POINT TO DOPE WD OF NEXT VECTOR - JRST VECUP1 ;AND CONTINUE - -VECUP2: PUSH P,A ;SAVE DOPE WORD POINTER - HLRZ B,(A) ;GET LENGTH OF THIS VECTOR -VECU11: ANDI B,377777 ;TURN OFF MARK BIT - SKIPGE E,-1(A) ;CHECK FOR UNIFORM OR SPECIAL - TLNE E,377777 ;SKIP IF GENERAL - JRST VECUP6 ;UNIFORM OR SPECIAL, GO DO IT -VECU10: SUB A,B ;SET AC A TO NEXT DOPE WORD - ADDI A,1 ;AND ADVANCE TO FIRST ELEMENT OF THIS VECTOR -VECUP3: HLRZ B,(A) ;GET TYPE - TRNE B,400000 ;IF MARK BIT SET - JRST VECUP4 ;DONE WITH THIS VECTOR - ANDI B,TYPMSK - CAIE B,TCBLK - CAIN B,TENTRY ;SPECIAL HACK FOR ENTRY - JRST ENTRUP - CAIE B,TUNWIN - CAIN B,TSKIP ; SKIP POINTER - JRST BINDUP ; HACK APPROPRAITELY - CAIE B,TBVL ;VECTOR BINDING? - CAIN B,TBIND ;AND BINDING BLOCK - JRST BINDUP - CAIN B,TUBIND - JRST BINDUP -VECU15: MOVE C,1(A) ;GET VALUE - PUSHJ P,VALUPD ;UPDATE THIS VALUE -VECU12: ADDI A,2 ;GO ON TO NEXT VECTOR - JRST VECUP3 ;AND CONTINUE - -VECUP4: POP P,A ;SET TO OLD DOPE WORD - ANDCAM D,(A) ;TURN OFF MARK BIT - HLRZ B,(A) ;GET LENGTH - ANDI B,377777 ; IN CASE DING STORAGE - JRST VECUP5 ;GO ON TO NEXT VECTOR - - - -;UPDATE A SAVED SAVE BLOCK -ENTSUP: MOVEI A,FRAMLN+SPSAV-1(A) ;A POINTS BEFORE SAVED SP - MOVEI B,TSP - PUSHJ P,VALPD1 ;UPDATE SPSAV - MOVEI A,PSAV-SPSAV(A) - MOVEI B,TPDL - PUSHJ P,VALPD1 ;UPDATE PSAV - MOVEI A,TPSAV-PSAV(A) - MOVEI B,TTP - PUSHJ P,VALPD1 ;UPDATE TPSAV -;SKIP TO END OF BLOCK - SUBI A,PSAV-1 - JRST VECUP3 - -;IGNORE A BLOCK -IGBLK2: HRRZ B,(A) ;GET DISPLACEMENT - ADDI A,3(B) ;USE IT - JRST VECUP3 ;GO - - ; ENTRY PART OF THE STACK UPDATER - -ENTRUP: ADDI A,FRAMLN-2 ;POINT PAST FRAME - JRST VECU12 ;NOW REJOIN VECTOR UPDATE - -; UPDATE A BINDING BLOCK - -BINDUP: HRRZ C,(A) ;POINT TO CHAIN - JUMPE C,NONEXT ;JUMP IF NO NEXT BINDING IN CHAIN - HRRZ 0,@(P) ; GET OWN DESTINATION - SUBI 0,@(P) ; RELATIVIZE - ADD C,0 ; AND UPDATE - HRRM C,(A) ;AND STORE IT BACK -NONEXT: CAIN B,TUBIND - JRST .+3 - CAIE B,TBIND ;SKIP IF VAR BINDING - JRST VECU14 ;NO, MUST BE A VECTOR BIND - MOVEI B,TATOM ;UPDATE ATOM POINTER - PUSHJ P,VALPD1 - ADDI A,2 - HLRZ B,(A) ;TYPE OF VALUE - PUSHJ P,VALPD1 - ADDI A,2 ; POINT TO PREV LOCATIVE -VECU16: MOVEI B,TLOCI - SKIPN 1(A) ; IF NO LOCATIVE, - MOVEI B,TUNBOU ; SAY UNBOUND - PUSHJ P,VALPD1 - JRST VECU12 - -VECU14: CAIN B,TBVL ; CHANGE BVL TO VEC - MOVEI B,TVEC ;NOW TREAT LIKE A VECTOR - JRST VECU15 - -; NOW SAFE TO UPDATE ALL ENTRY BLOCKS - -ENHACK: HRRZ F,TBSTO(LPVP) ;GET POINTER TO TOP FRAME - HLLZS TBSTO(LPVP) ;CLEAR FIELD - HLLZS TPSTO(LPVP) - JUMPE F,LSTFRM ;FINISHED - -ENHCK1: MOVEI A,FSAV-1(F) ;POINT PRIOR TO SAVED FUNCTION - HRRZ C,1(A) ; GET POINTER TO FCN - CAML C,VECBOT ; SKIP IF A LOSER - CAMLE C,VECTOP ; SKIP IF A WINNER - JRST ENHCK2 - HRL C,(C) ; MAKE INTO AOBJN - MOVEI B,TVEC - PUSHJ P,VALUPD ; AND UPDATE -ENHCK2: HRRZ F,2(A) ;POINT TO PRIOR FRAME - MOVEI B,TTB ;MARK SAVED TB - PUSHJ P,[AOJA A,VALPD1] - MOVEI B,TAB ;MARK ARG POINTER - PUSHJ P,[AOJA A,VALPD1] - MOVEI B,TSP ;SAVED SP - PUSHJ P,[AOJA A,VALPD1] - MOVEI B,TPDL ;SAVED P STACK - PUSHJ P,[AOJA A,VALPD1] - MOVEI B,TTP ;SAVED TP - PUSHJ P,[AOJA A,VALPD1] - JUMPN F,ENHCK1 ;MARK NEXT ONE IF IT EXISTS - -LSTFRM: HRRZ A,BINDID(LPVP) ;NEXT PROCESS - HLLZS BINDID(LPVP) ;CLOBBER - MOVEI LPVP,(A) - JUMPN LPVP,ENHACK ;DO NEXT PROCESS - POPJ P, - - ; UPDATE ELEMENTS IN UNIFROM AND SPECIAL VECTORS - -VECUP6: JUMPL E,VECUP7 ;JUMP IF SPECIAL - CAIG B,2 ;EMPTY UVECTOR ? - JRST VECUP4 ;YES, NOTHING TO UPDATE - HLRZS E ;ISOLATE TYPE - ANDI E,37777 - EXCH E,B ;TYPE TO B AND LENGTH TO E - SUBI A,(E) ;POINT TO NEXT DOPE WORD - LSH B,1 ;FIND SAT - HRRZ B,@TYPNT - ANDI B,SATMSK - MOVE B,UPDTBS(B) ;FIND WHERE POINTS - CAIN B,CPOPJ ;UNMARKED? - JRST VECUP4 ;YES, GO ON TO NEXT VECTOR - PUSH P,B ;SAVE SR POINTER - SUBI E,2 ;DON'T COUNT DOPE WORDS - -VECUP8: MOVE C,1(A) ;GET GOODIE - MOVEI 0,(C) ; ISOLATE ADDR - JUMPE 0,.+3 ; NEVER 0 PNTR - CAIGE 0,@PURBOT ; OR IF PURE - PUSHJ P,@(P) ;CALL UPDATE ROUTINE - ADDI A,1 - SOJG E,VECUP8 ;LOOP FOR ALL ELEMNTS - - SUB P,[1,,1] ;REMOVE RANDOMNESS - JRST VECUP4 - -; SPECIAL VECTOR UPDATE - -VECUP7: HLRZS E ;ISOLATE SPECIAL TYPE - CAIN E,SATOM+400000 ;ATOM? - JRST ATOMUP ;YES, GO DO IT - CAIN E,STPSTK+400000 ;STACK - JRST VECU10 ;TREAT LIKE A VECTOR - CAIN E,SPVP+400000 ;PROCESS VECTOR - JRST PVPUP ;DO SPECIAL STUFF - CAIN E,SASOC+400000 - JRST ASOUP ;UPDATE ASSOCIATION BLOCK - - TRZ E,400000 ; CHECK FOR TEMPLATE VECTOR - CAIG E,NUMSAT ; SKIP IF POSSIBLE - FATAL AGC--UNRECOGNIZED SPECIAL VECTOR (UPDATE) - MOVEI E,-NUMSAT-1(E) - HRLI E,(E) - ADD E,TD.LNT+1(TVP) - SKIPL E - FATAL AGC--BAD TEMPLATE TYPE - -TD.UPD: MOVEI C,-1(A) ; POINTER TO OBJECT IN C - XCT (E) - HLRZ D,B ; POSSIBLE BASIC LENGTH - PUSH P,[0] - PUSH P,D - MOVEI B,(B) ; ISOLATE LENGTH - PUSH P,C ; SAVE POINTER TO OBJECT - - PUSH P,[0] ; HOME FOR VALUES - PUSH P,[0] ; SLOT FOR TEMP - PUSH P,B ; SAVE - SUB E,TD.LNT+1(TVP) - PUSH P,E ; SAVE FOR FINDING OTHER TABLES - JUMPE D,TD.UP2 ; NO REPEATING SEQ - ADD E,TD.GET+1(TVP) ; COMP LNTH OF REPEATING SEQ - HLRE E,(E) ; E ==> - LNTH OF TEMPLATE - ADDI E,(D) ; E ==> -LENGTH OF REP SEQ - MOVNS E - HRLM E,-5(P) ; SAVE IT AND BASIC - -TD.UP2: SKIPG D,-1(P) ; ANY LEFT? - JRST TD.UP1 - - MOVE E,TD.GET+1(TVP) - ADD E,(P) - MOVE E,(E) ; POINTER TO VECTOR IN E - MOVEM D,-6(P) ; SAVE ELMENT # - SKIPN B,-5(P) ; SKIP IF "RESTS" EXIST - SOJA D,TD.UP3 - - MOVEI 0,(B) ; BASIC LNT TO 0 - SUBI 0,(D) ; SEE IF PAST BASIC - JUMPGE 0,.-3 ; JUMP IF O.K. - MOVSS B ; REP LNT TO RH, BASIC TO LH - IDIVI 0,(B) ; A==> -WHICH REPEATER - MOVNS A - ADD A,-5(P) ; PLUS BASIC - ADDI A,1 ; AND FUDGE - MOVEM A,-6(P) ; SAVE FOR PUTTER - ADDI E,-1(A) ; POINT - SOJA D,.+2 - -TD.UP3: ADDI E,(D) ; POINT TO SLOT - XCT (E) ; GET THIS ELEMENT INTO A AND B - MOVEM A,-3(P) ; SAVE TYPE FOR LATER PUT - MOVEM B,-2(P) - MOVE C,B ; VALUE TO C FOR VALUPD - GETYP B,A - MOVEI A,-3(P) ; TELL OTHER GUYS THEY CANT DIRECTLY MUNG - MOVSI D,400000 ; RESET FOR MARK - PUSHJ P,VALUPD ; AND MARK THIS GUY (RET FIXED POINTER IN A) - MOVE C,-4(P) ; GET POINTER FOR UPDATE OF ELEMENT - MOVE E,TD.PUT+1(TVP) - SOS D,-1(P) ; RESTORE COUNT - ADD E,(P) - MOVE E,(E) ; POINTER TO VECTOR IN E - MOVE B,-6(P) ; SAVED OFFSET - ADDI E,(B)-1 ; POINT TO SLOT - MOVE A,-3(P) ; RESTORE TYPE WORD - MOVE B,-2(P) - XCT (E) ; SMASH IT BACK - FATAL TEMPLATE LOSSAGE - MOVE C,-4(P) - JRST TD.UP2 - -TD.UP1: SUB P,[7,,7] - MOVSI D,400000 ; RESTORE MARK/UNMARK BIT - JRST VECUP4 - - ; UPDATE ATOM VALUE CELLS - -ATOMUP: SUBI A,-1(B) ; POINT TO VALUE CELL - HLRZ B,(A) - HRRZ 0,(A) ;GOBBLE BINDID - JUMPN 0,.+3 ;NOT GLOBAL - CAIN B,TLOCI ;IS IT A LOCATIVE? - MOVEI B,TVEC ;MARK AS A VECTOR - HRRZ 0,1(A) ; GET POINTER - CAML 0,VECBOT - CAMLE 0,VECTOP - JRST .+2 ; OUT OF BOUNDS, DONT UPDATE - PUSHJ P,VALPD1 ;UPDATE IT - MOVEI B,TOBLS ; TYPE TO OBLIST - SKIPGE 2(A) - PUSHJ P,[AOJA A,VALPD1] - JRST VECUP4 - -; UPDATE PROCESS VECTOR - -PVPUP: SUBI A,-1(B) ;POINT TO TOP - HRRM LPVP,BINDID(A) ;CHAIN ALL PROCESSES TOGETHER - MOVEI LPVP,(A) - HRRZ 0,TBSTO+1(A) ;POINT TO CURRENT FRAME - HRRM 0,TBSTO(A) ;SAVE - HRRZ 0,TPSTO+1(A) ;0_SAVED TP POINTER - HLRE B,TPSTO+1(A) - SUBI 0,-1(B) ;0 _ POINTER TO OLD DOPE WORD - HRRM 0,TPSTO(A) - JRST VECUP3 - - - ;THIS SUBROUTINE TAKES CARE OF UPDATING ASSOCIATION BLOCKS - -ASOUP: SUBI A,-1(B) ;POINT TO START OF BLOCK - HRRZ B,ASOLNT-1(A) ;POINT TO NEXT - JUMPE B,ASOUP1 - HRRZ C,ASOLNT+1(B) ;AND GET ITS RELOC IN C - SUBI C,ASOLNT+1(B) ; RELATIVIZE - ADDM C,ASOLNT-1(A) ;C NOW HAS UPDATED PONTER -ASOUP1: HLRZ B,ASOLNT-1(A) ;GET PREV BLOCK POINTER - JUMPE B,ASOUP2 - HRRZ F,ASOLNT+1(B) ;AND ITS RELOCATION - SUBI F,ASOLNT+1(B) ; RELATIVIZE - MOVSI F,(F) - ADDM F,ASOLNT-1(A) ;RELOCATE -ASOUP2: HRRZ B,NODPNT(A) ;UPDATE NODE CHAIN - JUMPE B,ASOUP4 - HRRZ C,ASOLNT+1(B) ;GET RELOC - SUBI C,ASOLNT+1(B) ; RELATIVIZE - ADDM C,NODPNT(A) ;ANID UPDATE -ASOUP4: HLRZ B,NODPNT(A) ;GET PREV POINTER - JUMPE B,ASOUP5 - HRRZ F,ASOLNT+1(B) ;RELOC - SUBI F,ASOLNT+1(B) - MOVSI F,(F) - ADDM F,NODPNT(A) -ASOUP5: HRLI A,-3 ;SET TO UPDATE OTHER CONTENTS - -ASOUP3: HLRZ B,(A) ;GET TYPE - PUSHJ P,VALPD1 ;UPDATE - ADD A,[1,,2] ;MOVE POINTER - JUMPL A,ASOUP3 - JRST VECUP4 ;AND QUIT - - ;VALUPD UPDATES A SINLE VALUE FROM EITHER PAIR SPACE OR VECTOR SPACE -;GETS POINTER TO TYPE CELL IN RH OF A -;TYPE IN RH OF B (LH MUST BE 0) -;VALUE IN C - -VALPD1: MOVE C,1(A) ;GET VALUE TO UPDATE -VALUPD: MOVEI 0,(C) - CAIGE 0,@PURBOT ; SKIP IF PURE, I.E. DONT HACK - TRNN C,-1 ;ANY POINTER PART? - JRST CPOPJ ;NO, LEAVE - ANDI B,TYPMSK - LSH B,1 ;SET TYPE TIMES 2 - HRRZ B,@TYPNT ;GET STORAGE ALLOCATION TYPE - ANDI B,SATMSK - CAIG B,NUMSAT ; SKIP IF TEMPLATE - JRST @UPDTBS(B) ;AND DISPATCH THROUGH STORAGE ALLOCATION DISPATCH TABLE - AOJA C,TMPLUP - -;SAT DISPATCH TABLE - -DISTBS UPDTBS,CPOPJ,[[SNWORD,NWRDUP],[STPSTK,STCKUP] -[SFRAME,FRAMUP],[STBASE,TBUP],[SARGS,ARGUP],[SBYTE,BYTUP],[SATOM,NWRDUP],[SPSTK,STCKUP] -[SLOCID,LOCUP],[SPVP,NWRDUP],[S2NWORD,NWRDUP],[SABASE,ABUP],[SCHSTR,BYTUP],[SASOC,ASUP] -[SLOCA,ARGUP],[SLOCU,NWRDUP],[SLOCN,ASUP],[SLOCS,BYTUP],[SGATOM,NWRDUP]] - - - - -;PAIR POINTER UPDATE -2WDUP: MOVEI 0,(C) - CAIGE 0,@PURBOT ; SKIP AND IGNORE IF PURE - TRNN C,-1 ;POINT TO NIL? - POPJ P, ;YES -- NO UPDATE NEEDED - SKIPGE B,(C) ;NO -- IS THIS A BROKEN HEART - HRRM B,1(A) ;YESS -- STORE NEW VALUE - SKIPE B,PARNEW ;IF LIST SPACE IS MOVING - ADDM B,1(A) ;THEN ADD OFFSET TO VALUE - POPJ P, ;FINISHED - -; HERE TO UPDATE ASSOCIATIONS - -ASUP: HRLI C,-ASOLNT ;MAKE INTO VECTOR POINTER - JRST NWRDUP - ;VECTOR, ATOM, STACK, AND BASE POINTER UPDATE - -LOCUP: HRRZ B,(A) ;CHECK IF IT IS TIMED - JUMPN B,LOCUP1 ;JUMP IF TIMED, OTHERWISE TREAT LIKE VECTORE - -NWRDUP: HLRE B,C ;EXTEND COUNT IN B - SUBI C,-1(B) ;SET C TO POINT TO DOPE WORD -TMPLUP: HRRZ B,(C) ;EXTEND RELOCATION IN B - SUBI B,(C) ; RELATIVIZE - ADDM B,1(A) ;AND ADD RELOCATION TO STORED DATUM - HRRZ C,-1(C) ;GET GROWTH SPECS - JUMPE C,CPOPJ ;NO GROWTH, LEAVE - LDB C,[111100,,C] ;GET UPWORD GROWTH - TRZN C,400 ;FLUSH SIGN AN NEGATR DIRECTION - MOVNS C - SKIPE GCDNTG ; SKIP IF GROWTH WINS - JUMPL C,CPOPJ ; POS GROWTH, LOSE - ASH C,6+18. ;TO LH AND TIMES 100(8) - ADDM C,1(A) ;UPDATE POINTER - POPJ P, - - -LOCUP1: -STCKUP: MOVSI B,PDLBUF ;GET OFFSET FOR PDLS - ADDM B,1(A) ;AND ADD TO COUNT - JRST NWRDUP ;NOW TREAT LIKE VECTOR - -BYTUP: MOVEI C,(A) ; SET TO GET DOPE WORD - PUSH P,A - PUSHJ P,BYTDOP - POP P,C - HRRZ B,(A) ;SET B TO RELOCATION FOR THIS VEC - SUBI B,(A) ; RELATIVIZE - ADDM B,1(C) ;AND UPDATE VALUE - MOVE A,C ; FIX UP FOR SCANNER - POPJ P, ;DONE WITH UPDATE - -ARGUP: -ABUP: HLRE B,C ;GET LENGTH - SUB C,B ;POINT TO FRAME - HLRZ B,(C) ;GET TYPE OF NEXT GOODIE - ANDI B,TYPMSK - CAIN B,TINFO ;IS IT A FRAME - ADD C,1(C) ;NO, POINT TO FRAME - CAIE B,TINFO ;IF IT IS A FRAME - ADDI C,FRAMLN ;POINT TO ITS BASE -TBUP: MOVE C,TPSAV(C) ;GET A ASTACK POINTER TO FIND DOPE WORD - HLRE B,C ;UPDATE BASED ON THIS POINTER - SUBI C,(B) -ABUP1: HRRZ B,1(C) ;GET RELOCATION - SUBI B,1(C) ; RELATIVIZE - ADDM B,1(A) ;AND MUNG POINTER - POPJ P, - -FRAMUP: HRRZ B,(A) ;UPDATE PVP - HRRZ C,(B) ;IN CELL - SUBI C,(B) ; RELATIVIZE - ADDM C,(A) - HLRZ C,(B) - ANDI C,377777 - SUBI B,-1(C) ;ADDRESS OF PV - HRRZ C,TPSTO(B) ;IF TPSTO HAS OLD TP DOPE WORD, - JUMPN C,ABUP2 ;USE IT - HRRZ C,TPSTO+1(B) ;ELSE, GENERATE IT - HLRE B,TPSTO+1(B) - SUBI C,-1(B) -ABUP2: SOJA C,ABUP1 ; FUDGE AND GO - - ;VECTOR SHRINKING PHASE - -VECSH: SUBI A,1 ;POOINT TO 1ST DOPE WORD -VECSH1: CAMGE A,VECBOT ;FINISHED - POPJ P, ;YES, QUIT - HRRZ B,-1(A) ;GET A SPEC - JUMPE B,NXTSHN ;IGNORE IF NONE - PUSHJ P,GETGRO ;GET THE SPECS - JUMPGE C,SHRNBT ;SHRINKIGN AT BOTTOM - MOVEI E,(A) ;COPY POINTER - ADD A,C ;POINT TO NEW DOPE LOCATION WITH E - MOVE F,-1(E) ;GET OLD DOPE - ANDCMI F,777000 ;KILL THIS SPEC - MOVEM F,-1(A) ;STORE - MOVE F,(E) ;OTHER DOPE WORD - ADD F,C ; UPDATE DESTINATION - HRLZI C,(C) ;TO LH - ADD F,C ;CHANGE LENGTH - MOVEM F,(A) ;AND STORE - MOVMS C ;PLUSIFY - HRRI C,(E) ; MAKE NOT MOVE - MOVEM C,(E) ;AND STORE - SETZM -1(E) -SHRNBT: JUMPGE B,NXTSHN ;GROWTH, IGNOORE - MOVM E,B ;GET A POSITIVE COPY - HRLZI B,(B) ;TO LH - ADDM B,(A) ;ADD INTO DOPE WORD - MOVEI 0,777 ;SET TO CLOBBER GROWTH - ANDCAM 0,-1(A) ;CLOBBER - HLRZ B,(A) ;GET NEW LENGTH - SUBI A,(B) ;POINT TO LOW END - HRLI E,(A) ; MAKE NON MOVER - MOVSM E,(A) ;STORE - SETZM -1(A) - -NXTSHN: HLRZ B,(A) ;GET LENGTH - JUMPE B,VCMLOS ;LOOSE - SUBI A,(B) ;STEP - JRST VECSH1 - -GETGRO: LDB C,[111100,,B] ;GET UPWARD GROWTH - TRZE C,400 ;CHECK AND MUNG SIGN - MOVNS C - ASH C,6 ;?IMES 100 - ANDI B,777 ;AND GET DOWN GROWTH - TRZE B,400 ;CHECK AND MUNG SIGN - MOVNS B - ASH B,6 - POPJ P, - ;VECMOV -- MOVES VECTOR DATA TO WHERE RELOC FIELDS OF -;VECTORS INDICATE. MOVES DOPEWDS UP FOR VECTORS GROWING AT -;THE END. -;CALLED WITH VECTOP IN A. CALLS PARMOV TO MOVE PAIRS - -VECMOV: SUBI A,1 ;SET A TO ADDR OF TOP DOPE WD - MOVSI D,400000 ;NEGATIVE D MARKS END OF BACK CHAIN - MOVEI TYPNT,0 ;CLEAR ON GOING ADDRESS FOR FORWARD RESUME -VECMO1: CAMGE A,VECBOT ;GOT TO BOTTOM OF VECTORS - JRST PARMOV ;YES, MOVE LIST ELEMENTS AND RETURN - MOVEI C,(A) ;NO, COPY ADDR OF THIS DOPEWD - HRRZ B,(A) ;GET RELOCATION OF THIS VECTOR - SUBI B,(A) ; RELATIVIZE - JUMPL B,VECMO5 ;IF MOVING DOWNWARD, MAKE BACK CHAIN - JUMPE B,VECMO4 ;IF NON MOVER, JUST ADJUST DOPW AND MOVE ON - - ADDI C,(B) ;SET ADDR OF LAST DESTINATION WD - HRLI B,A ;MAKE B INDEX ON A - HLL A,(A) ;COUNT TO A LEFT HALF - - POP A,@B ;MOVE A WORD - TLNE A,-1 ;REACHED END OF MOVING - JRST .-2 ;NO, REPEAT - ;YES, NOTE A HAS ADDR OF NEXT DOPEWD - ;HERE TO ADJUST LOCATION OF DOPEWDS FOR GROWTH (FORWARDLY) -VECMO2: LDB B,[111000,,-1(C)] ;GET HIGH GROWTH FIELD - JUMPE B,VECMO3 ;IF NO GROWTH, DONT MOVE - SKIPE GCDNTG ; SKIP IF GROWTH PERMITTED - JRST VECMO3 - ASH B,6 ;EXPRESS GROWTH IN WORDS - HRLI C,2 ;SET COUNT FOR POPPING 2 DOPEWDS - HRLI B,C ;MAKE B INDEX ON C - POP C,@B ;MOVE PRIME DOPEWD - POP C,@B ;MOVE AUX DOPEWD -VECMO3: JUMPL D,VECMO1 ;IF NO BACK CHAIN THEN MOVE ON - JRST VECMO6 ;YES, BACKCHAINING, CONTINUE SAME - -;HERE TO SKIP OVER STILL VECTORS (FORWARDLY) -VECMO4: HLRZ B,(A) ;GET SIZE OF UNMOVER - SUBI A,(B) ;UPDATE A TO NEXT VECTOR - JRST VECMO2 ;AND GO CLEAN UP GROWTH -;HERE TO ESTABLISH A BACKWARDS CHAIN -VECMO5: EXCH D,(A) ;CHAIN FORWARD - HLRZ B,D ;GET SIZE - SUBI A,(B) ;GO ON TO NEXT VECOTR - CAMGE A,VECBOT ;HAVE WE GOT TO END OF VECTORS? - JRST VECMO7 ;YES, GO MOVE PAIRS AND UNCHAIN - HRRZ B,(A) ;GET RELOCATION OF THIS VECTOR - SUBI B,(A) ; RELATIVIZE - JUMPLE B,VECMO5 ;IF NOT POSITIVE, CONTINUE CHAINING - MOVEM A,TYPNT ;SAVE ADDR FOR FORWARD RESUME - -;HERE TO UNCHAIN A VECTOR, MOVE IT, AND ADJUST DOPEWDS -VECMO6: HLRZ B,D ;GET SIZE - MOVEI F,1(A) ;GET A COPY OF BEGINNING OF VECTOR - ADDI A,(B) ;SET TO POINT TO ADDR OF DOPEWD CURRENTLY IN D - EXCH D,(A) ;AND UNCHAIN - HRRZ B,(A) ;GET RELOCATION FOR THIS VECTOR - SUBI B,(A) ; RELATIVIZE - MOVEI C,(A) ;COPY A POINTER TO DOPEW - SKIPGE D ;HAVE WE REACHED THE TOP OF THE CHAIN? - MOVE A,TYPNT ;YES, RESTORE FORWARD MOVE RESUME ADDR - JUMPE B,VECMO2 ;IF STILL VECTOR,GO ADJUST DOPEWDS - ADDI C,(B) ;MAKE C POINT TO NEW DOPEW ADDR - ADDI B,(F) ;B RH NEW 1ST WORD - HRLI B,(F) ;B LH OLD 1ST WD ADDR - BLT B,(C) ;COPY THE DATA - JRST VECMO2 ;AND GO ADJUST DOPEWDS - -;HERE TO STOP CHAINING BECAUSE OF BOTTOM OF VECTOR SPACE -VECMO7: MOVEM A,TYPNT - PUSH P,D - PUSHJ P,PARMOV - POP P,D - MOVE A,TYPNT - JRST VECMO6 - ;PAIR MOVEMENT PHASE -- USES PARNEW,PARBOT, AND PARTOP TO MOVE PAIRS -;TO NEW HOMES - -PARMOV: SKIPN A,PARNEW ;IS THERE ANY PAIR MOVEMENT? - POPJ P, ;NO, RETURN - JUMPL A,PARMO2 ;YES -- IF MOVING DOWNWARDS, GO DO A BLT - HRLI A,B ;MOVING UPWARDS SETAC A TO INDEX OFF AC B - MOVE B,PARTOP ;GET HIGH PAIR ADDREESS - SUB B,PARBOT ;AND SUBTRACT BOTTOM TO GET NUMBER OF PAIRS - HRLZS B ;PUT COUNT IN LEFT HALF - HRR B,PARTOP ;GET HIGH ADDRESS PLUS ONE IN RH - SUBI B,1 ;AND SUBTRACT ONE TO POINT TO LAST WORD TO BE MOVED - -PARMO1: TLNN B,-1 ;HAS COUNT REACHED ZERO? - JRST PARMO3 ;YES -- FINISH UP - POP B,@A ;NO -- TRANSFER2YU NEXT WORD - JRST PARMO1 ;AND REPEAT - -PARMO2: MOVE B,PARBOT ;GET ADDRESS OF FIRST SOURCE WD - HRLS B ;IN BOTH HALVES OF AC B - ADD B,A ;MAKE RH OF B POINT TO FIRST DESTINATION WORD - ADD A,PARTOP ;MAKE RH OF A POINT TO LAST DESTINATION WORD PLUS ONE - BLT B,-1(A) ;AND TRANSFER THE BLOCK OF PAIRS - -PARMO3: MOVE A,PARNEW ;GET OFFSET FOR PAIR SPACE - ADDM A,PARBOT ;AND CORRECT BOTTOM - ADDM A,PARTOP ;AND CORRECT TOP. - SETZM PARNEW ;CLEAR SO IF CALLED TWICE, NO LOSSAGE - POPJ P, - ;VECZER -- CLEARS DATA IN AREAS JUST GROWN -;UPDATES SIZE OF VECTORS -;CLEARS RELOCATION AND GROWTH FIELDS IN DOPEWDS -;CALLED WITH NEW VECTOP IN A (VECBOT SHOULD BE NEW TOO) - -VECZER: SUBI A,1 ;MAKE A POINT TO HIGH VECTORS -VECZE1: CAMGE A,VECBOT ;REACHED BOTTOM OF VECTORS? - POPJ P, ;YES, RETURN - HLLZS F,(A) ;NO, CLEAR RELOCATION GET SIZE - HLRZS F ;AND PUT SIZE IN RH OF F - HRRZ B,-1(A) ;GET GROWTH INTO B - JUMPN B,VECZE3 ;IF THERE IS SOME GROWTH, GO DO IT -VECZE2: SUBI A,(F) ;GROWTH DONE, MOVE ON TO NEXT VECTOR - JRST VECZE1 ;AND REPEAT - -VECZE3: HLLZS -1(A) ;CLEAR GROWTH IN THE VECTOR - LDB C,[111000,,B] ;GET HIGH ORDER GROWTH IN C - SKIPE GCDNTG - JRST VECZE5 - ANDI B,377 ;AND LIMIT B TO LOW SIDE - ASHC B,6 ;EXPRESS GROWTH IN WORDS - JUMPE C,VECZE4 ;IF NO HIGH GROWTH SKIP TO LOW GROWTH - ADDI F,(C) ;ADD HIGH GROWTH TO SIZE - SUBM A,C ;GET ADDR OF 2ND WD TO BE ZEROED - SETZM -1(C) ;CLEAR 1ST WORD - HRLI C,-1(C) ;MAKE C A CLEARING BLT POINTER - BLT C,-2(A) ;AND CLEAR HIGH END DATA - -VECZE4: JUMPE B,VECZE5 ;IF NO LOW GROWTH SKIP TO SIZE UPDATE - MOVNI C,(F) ;GET NEGATIVE SIZE SO FAR - ADDI C,(A) ;AND MAKE C POINT TO LAST WORD OF STUFF TO BE CLEARED - ADDI F,(B) ;UPDATE SIZE - SUBM C,B ;MAKE B POINT TO LAST WD OF NEXT VECT - ADDI B,2 ;AND NOW TO 2ND DATA WD TO BE CLEARED - SETZM -1(B) ;CLEAR 1ST DATA WD - HRLI B,-1(B) ;MAKE B A CLEARING BLT POINTER - BLT B,(C) ;AND CLEAR THE LOW DATA - -VECZE5: HRLZM F,(A) ;STORE THE NEW SIZE IN DOPEWD - JRST VECZE2 - - ;SUBROUTINE TO REBUILD THE NOW DEFUNCT HASH TABLE - -REHASH: MOVE TVP,TVPSTO+1(PVP) ;RESTORE TV POINTER - MOVE D,ASOVEC+1(TVP) ;GET POINTER TO VECTOR - MOVEI E,(D) - PUSH P,E ;PUSH A POINTER - HLRE A,D ;GET -LENGTH - MOVMS A ;AND PLUSIFY - PUSH P,A ;PUSH IT ALSO - -REH3: HRRZ C,(D) ;POINT TO FIRST BUCKKET - HLRZS (D) ;MAKE SURE NEW POINTER IS IN RH - JUMPE C,REH1 ;BUCKET EMPTY, QUIT - -REH2: MOVEI E,(C) ;MAKE A COPY OF THE POINTER - MOVE A,ITEM(C) ;START HASHING - TLZ A,TYPMSK#777777 ; KILL MONITORS - XOR A,ITEM+1(C) - MOVE 0,INDIC(C) - TLZ 0,TYPMSK#777777 - XOR A,0 - XOR A,INDIC+1(C) - TLZ A,400000 ;MAKE SURE FINAL HASH IS + - IDIV A,(P) ;DIVIDE BY TOTAL LENGTH - ADD B,-1(P) ;POINT TO WINNING BUCKET - - MOVE C,[002200,,(B)] ;BYTE POINTER TO RH - CAILE B,(D) ;IF PAST CURRENT POINT - MOVE C,[222200,,(B)] ;USE LH - LDB A,C ;GET OLD VALUE - DPB E,C ;STORE NEW VALUE - HRRZ B,ASOLNT-1(E) ;GET NEXT POINTER - HRRZM A,ASOLNT-1(E) ;AND CLOBBER IN NEW NEXT - SKIPE A ;SKKIP IF NOTHING PREVIOUSLY IN BUCKET - HRLM E,ASOLNT-1(A) ;OTHERWISE CLOBBER - SKIPE C,B ;SKIP IF END OF CHAIN - JRST REH2 -REH1: AOBJN D,REH3 - - SUB P,[2,,2] ;FLUSH THE JUNK - POPJ P, - VCMLOS: FATAL AGC--VECTOR WITH ZERO IN DOPE WORD LENGTH - - -; THESE ARE THE MESSAGES INDICATING THE CAUSE OF THE GC - -MSGGCT: [ASCIZ /USER CALLED- /] - [ASCIZ /FREE STORAGE- /] - [ASCIZ /TP-STACK- /] - [ASCIZ /TOP-LEVEL LOCALS- /] - [ASCIZ /GLOBAL VALUES- /] - [ASCIZ /TYPES- /] - [ASCIZ /STATIONARY IMPURE STORAGE- /] - [ASCIZ /P-STACK /] - [ASCIZ /BOTH STACKS BLOWN- /] - [ASCIZ /PURE STORAGE- /] - [ASCIZ /GC-RCALL- /] - -; THESE ARE MESSAGES INDICATING WHO CAUSED THE GC - -MSGGFT: 0 - [ASCIZ /BLOAT /] - [ASCIZ /GROW /] - [ASCIZ /LIST /] - [ASCIZ /VECTOR /] - [ASCIZ /SET /] - [ASCIZ /SETG /] - [ASCIZ /FREEZE /] - [ASCIZ /PURE-PAGE LOADER /] - [ASCIZ /GC /] - [ASCIZ /INTERRUPT-HANDLER /] - [ASCIZ /NEWTYPE /] - - - - -;LOCAL VARIABLES - -IMPURE -; LOCATIONS USED BY BLOAT-STAT TO HELP THE USER PICK BLOAT SPECIFICATIONS. -; - -GCNO: 0 ; USER-CALLED GC -BSTGC: 0 ; FREE STORAGE - 0 ; BLOWN TP - 0 ; TOP-LEVEL LVALS - 0 ; GVALS - 0 ; TYPE - 0 ; STORAGE - 0 ; P-STACK - 0 ; BOTH STATCKS BLOWN - 0 ; STORAGE - -BSTAT: -NOWFRE: 0 ; FREE STORAGE FROM LAST GC -CURFRE: 0 ; STORAGE USED SINCE LAST GC -MAXFRE: 0 ; MAXIMUM FREE STORAGE ALLOCATED -USEFRE: 0 ; TOTAL FREE STORAGE USED -NOWTP: 0 ; TP LENGTH FROM LAST GC -CURTP: 0 ; # WORDS ON TP -CTPMX: 0 ; MAXIMUM SIZE OF TP SO FAR -NOWLVL: 0 ; # OF TOP-LEVEL LVAL-SLOTS -CURLVL: 0 ; # OF TOP-LEVEL LVALS -NOWGVL: 0 ; # OF GVAL SLOTS -CURGVL: 0 ; # OF GVALS -NOWTYP: 0 ; SIZE OF TYPE-VECTOR -CURTYP: 0 ; # OF TYPES -NOWSTO: 0 ; SIZE OF STATIONARY STORAGE -CURSTO: 0 ; STATIONARY STORAGE IN USE -CURMAX: 0 ; MAXIMUM BLOCK OF CONTIGUOUS STORAGE -NOWP: 0 ; SIZE OF P-STACK -CURP: 0 ; #WORDS ON P -CPMX: 0 ; MAXIMUM P-STACK LENGTH SO FAR -GCCAUS: 0 ; INDICATOR FOR CAUSE OF GC -GCCALL: 0 ; INDICATOR FOR CALLER OF GC - - -; THIS GROUP OF VARIABLES DETERMINES HOW THINGS GROW -LVLINC: 6 ; LVAL INCREMENT ASSUMED TO BE 64 SLOTS -GVLINC: 4 ; GVAL INCREMENT ASSUMED TO BE 64 SLOTS -TYPIC: 1 ; TYPE INCREMENT ASSUMED TO BE 32 TYPES -STORIC: 2000 ; STORAGE INCREMENT USED BY NFREE (MINIMUM BLOCK-SIZE) - - -RCL: 0 ; POINTER TO LIST OF RECYCLEABLE LIST CELLS -GCMONF: 0 ; NON-ZERO SAY GIN/GOUT -GCDANG: 0 ; NON-ZERO, STORAGE IS LOW -GCDNTG: 0 ; NON-ZERO ABORT GROWTHS -GETNUM: 0 ;NO OF WORDS TO GET -PARNUM: 0 ;NO OF PAIRS MARKED -VECNUM: 0 ;NO OF WORDS IN MARKED VECTORS -CORSET: 0 ;NO OF BLOCKS OF CORE, IF GIVING CORE AWAY -CORTOP: 0 ;CURRENT TOP OF CORE, EXCLUDING ANY TO BE GIVEN AWAY - -;VARIABLES WHICH DETERMIN WHEN MUDDLE WILL ASK FOR MORE CORE, -;AND WHEN IT WILL GET UNHAPPY - -SYSMAX: 50. ;MAXIMUM SIZE OF MUDDLE -FREMIN: 20000 ;MINIMUM FREE WORDS -FREDIF: 10000 ;DIFFERENCE BETWEEN FREMIN AND MAXIMUM NUMBER OF FREE WORDS -;POINTER TO GROWING PDL - -TPGROW: 0 ;POINTS TO A BLOWN TP -PPGROW: 0 ;POINTS TO A BLOWN PP -TIMOUT: 0 ;POINTS TO TIMED OUT PDL -PGROW: 0 ;POINTS TO A BLOWN P - -;IN GC FLAG - -GCFLG: 0 -GCFLCH: 0 ; TELL INT HANDLER TO ITIC CHARS -GCHAIR: 1 ; COUNTS GCS AND TELLS WHEN TO HAIRIFY -SHRUNK: 0 ; NON-ZERO=> AVECTOR(S) SHRUNK -GREW: 0 ; NON-ZERO=> A VECTOR(S) GREW -SPARNW: 0 ; SAVED PARNEW -GCDOWN: 0 ; AMOUNT TO TRY AND MOVE DOWN -CURPLN: 0 ; LENGTH OF CURRENTLY RUNNING PURE RSUBR - -; VARS ASSOCIATED WITH BLOAT LOGIC - -TPBINC: 0 -GLBINC: 0 -TYPINC: 0 - -; VARS FOR PAGE WINDOW HACKS - -WNDBOT: 0 ; BOTTOM OF WINDOW -WNDTOP: 0 -BOTNEW: (FPTR) ; POINTER TO FRONTIER -GCTIM: 0 - -PURE - - -END - - - - - - TITLE ARITHMETIC PRIMITIVES FOR MUDDLE - -.GLOBAL HI,RLOW,CPLUS,CMINUS,CTIMES,CDIVID,CFIX,CFLOAT -.GLOBAL CLQ,CGQ,CLEQ,CGEQ,C1Q,C0Q,CMAX,CMIN,CABS,CMOD,CCOS,CSIN,CATAN,CLOG -.GLOBAL CEXP,CSQRT,CTIME,CORB,CXORB,CANDB,CEQVB,CRAND,SAT,BFLOAT - -;BKD - -;DEFINES MUDDLE PRIMITIVES: FIX,FLOAT,ATAN,IEXP,LOG, -; G?,L?,0?,1?,+,-,*,/,MAX,MIN,ABS,SIN,COS,SQRT,RANDOM, -; TIME,SORT. - -RELOCATABLE - -.INSRT MUDDLE > - -O=0 - - -DEFINE TYP1 - (AB) TERMIN -DEFINE VAL1 - (AB)+1 TERMIN - -DEFINE TYP2 - (AB)+2 TERMIN -DEFINE VAL2 - (AB)+3 TERMIN - -DEFINE TYP3 - (AB)+4 TERMIN -DEFINE VAL3 - (AB)+5 TERMIN - -DEFINE TYPN - (D) TERMIN -DEFINE VALN - (D)+1 TERMIN - - -YES: MOVSI A,TATOM ;RETURN PATH FOR 'TRUE' - MOVE B,MQUOTE T - AOS (P) - POPJ P, - -NO: MOVSI A,TFALSE ;RETURN PATH FOR 'FALSE' - MOVEI B,NIL - POPJ P, - - ;ERROR RETURNS AND OTHER UTILITY ROUTINES - -OVRFLW==10 -OVRFLD: PUSH TP,$TATOM - PUSH TP,EQUOTE OVERFLOW - JRST CALER1 - -CARGCH: GETYP 0,A ; GET TYPE - CAIN 0,TFLOAT - POPJ P, - JSP A,BFLOAT - POPJ P, - -ARGCHK: ;CHECK FOR SINGLE FIXED OR FLOATING - ;ARGUMENT IF FIXED CONVERT TO FLOATING - ;RETURN FLOATING ARGRUMENT IN B ALWAYS - ENTRY 1 - GETYP C,TYP1 - MOVE B,VAL1 - CAIN C,TFLOAT ;FLOATING? - POPJ P, ;YES, RETURN - CAIE C,TFIX ;FIXED? - JRST WTYP1 ;NO, ERROR - JSP A,BFLOAT ;YES, CONVERT TO FLOATING AND RETURN - POPJ P, - -OUTRNG: PUSH TP,$TATOM - PUSH TP,EQUOTE ARGUMENT-OUT-OF-RANGE - JRST CALER1 - -NSQRT: PUSH TP,$TATOM - PUSH TP,EQUOTE NEGATIVE-ARGUMENT - JRST CALER1 - -DEFINE MFLOAT AC - IDIVI AC,400000 - FSC AC+1,233 - FSC AC,254 - FADR AC,AC+1 - TERMIN - -BFLOAT: MFLOAT B - JRST (A) - -OFLOAT: MFLOAT O - JRST (C) - -BFIX: MULI B,400 - TSC B,B - ASH C,(B)-243 - MOVE B,C - JRST (A) - - ;DISPATCH TABLES USED TO CONTROL THE FLOW OF THE VARIOUS PRIMITIVES - -TABLE2: NO ;TABLE2 (0) -TABLE3: YES ;TABLE2 (1) & TABLE3 (0) - NO ;TABLE2 (2) - YES - NO - -TABLE4: NO - NO - YES - YES - - - -FUNC: JSP A,BFIX - JSP A,BFLOAT - SUB B,VALN - IDIV B,VALN - ADD B,VALN - IMUL B,VALN - JSP C,SWITCH - JSP C,SWITCH - - - -FLFUNC==.-2 - FSBR B,O - FDVR B,O - FADR B,O - FMPR B,O - JSP C,FLSWCH - JSP C,FLSWCH - -DEFVAL==.-2 - 0 - 1 - 0 - 1 - 377777,,-1 - 400000,,1 - -DEFTYP==.-2 - TFIX,, - TFIX,, - TFIX,, - TFIX,, - TFLOAT,, - TFLOAT,, - ;PRIMITIVES FLOAT AND FIX - -MFUNCTION FIX,SUBR - - ENTRY 1 - - JSP C,FXFL - MOVE B,1(AB) - CAIE A,TFIX - JSP A,BFIX - MOVSI A,TFIX - JRST FINIS - -MFUNCTION FLOAT,SUBR - - ENTRY 1 - - JSP C,FXFL - MOVE B,1(AB) - CAIE A,TFLOAT - JSP A,BFLOAT - MOVSI A,TFLOAT - JRST FINIS - -CFIX: GETYP 0,A - CAIN 0,TFIX - POPJ P, - JSP A,BFIX - MOVSI A,TFIX - POPJ P, - -CFLOAT: GETYP 0,A - CAIN 0,TFLOAT - POPJ P, - JSP A,BFLOAT - MOVSI A,TFLOAT - POPJ P, - -FXFL: GETYP A,(AB) - CAIE A,TFIX - CAIN A,TFLOAT - JRST (C) - JRST WTYP1 - - -MFUNCTION ABS,SUBR - ENTRY 1 - GETYP A,TYP1 - CAIE A,TFIX - CAIN A,TFLOAT - JRST MOVIT - JRST WTYP1 -MOVIT: MOVM B,VAL1 ;GET ABSOLUTE VALUE OF ARGUMENT -AFINIS: HRLZS A ;MOVE TYPE CODE INTO LEFT HALF - JRST FINIS - - - -MFUNCTION MOD,SUBR - ENTRY 2 - GETYP A,TYP1 - CAIE A,TFIX ;FIRST ARG FIXED ? - JRST WTYP1 - GETYP A,TYP2 - CAIE A,TFIX ;SECOND ARG FIXED ? - JRST WTYP2 - MOVE A,VAL1 - IDIV A,VAL2 ;FORM QUOTIENT & REMAINDER - JUMPGE B,.+2 ;Only return positive remainders - ADD B,VAL2 - MOVSI A,TFIX - JRST FINIS - ;PRIMITIVES PLUS, DIFFERENCE, TIMES, DIVIDE, MIN, AND MAX - -MFUNCTION MIN,SUBR - - ENTRY - - MOVEI E,6 - JRST GOPT - -MFUNCTION MAX,SUBR - - ENTRY - - MOVEI E,7 - JRST GOPT - -MFUNCTION DIVIDE,SUBR,[/] - - ENTRY - - MOVEI E,3 - JRST GOPT - -MFUNCTION DIFFERENCE,SUBR,[-] - - ENTRY - - MOVEI E,2 - JRST GOPT - -MFUNCTION TIMES,SUBR,[*] - - ENTRY - - MOVEI E,5 - JRST GOPT - -MFUNCTION PLUS,SUBR,[+] - - ENTRY - - MOVEI E,4 - -GOPT: MOVE D,AB ;ARGUMENT POINTER - HLRE A,AB - MOVMS A - ASH A,-1 - PUSHJ P,CARITH - JRST FINIS - -; BUILD COMPILER ENTRIES TO THESE ROUTINES - -IRP NAME,,[CMINUS,CDIVID,CPLUS,CTIMES,CMIN,CMAX]CODE,,[2,3,4,5,6,7] - -NAME: MOVEI E,CODE - JRST CARIT1 -TERMIN - -CARIT1: MOVEI D,(A) - ASH D,1 ; TIMES 2 - SUBI D,1 - HRLI D,(D) - SUBM TP,D ; POINT TO ARGS - PUSH TP,$TTP - PUSH TP,D - PUSHJ P,CARITH - POP TP,TP - SUB TP,[1,,1] - POPJ P, - -CARITH: MOVE B,DEFVAL(E) ; GET VAL - JFCL OVRFLW,.+1 - MOVEI 0,TFIX ; FIX UNTIL CHANGE - JUMPN A,ARITH0 ; AT LEAST ONE ARG - MOVE A,DEFTYP(E) - POPJ P, - -ARITH0: SOJE A,ARITH1 ; FALL IN WITH ONE ARG - MOVE B,1(D) - GETYP C,(D) ; TYPE OF 1ST ARG - ADD D,[2,,2] ; GO TO NEXT - CAIN C,TFLOAT - JRST ARITH3 - CAIN C,TFIX - JRST ARITH1 - JRST WRONGT - -ARITH1: GETYP C,(D) ; GET NEXT TYPE - CAIE C,TFIX - JRST ARITH2 ; TO FLOAT LOOP - XCT FUNC(E) ; DO IT - ADD D,[2,,2] - SOJG A,ARITH1 ; KEEP ADDING OR WHATEVER - JFCL OVRFLW,OVRFLD - MOVSI A,TFIX - POPJ P, - -ARITH3: GETYP C,(D) - MOVE 0,1(D) ; GET ARG - CAIE C,TFIX - JRST ARITH4 - PUSH P,A - JSP C,OFLOAT ; FLOAT IT - POP P,A - JRST ARITH5 -ARITH4: CAIE C,TFLOAT - JRST WRONGT - JRST ARITH5 - -ARITH2: CAIE C,TFLOAT ; FLOATER? - JRST WRONGT - PUSH P,A - JSP A,BFLOAT - POP P,A - MOVE 0,1(D) - -ARITH5: XCT FLFUNC(E) - ADD D,[2,,2] - SOJG A,ARITH3 - - JFCL OVRFLW,OVRFLD - MOVSI A,TFLOAT - POPJ P, - -SWITCH: XCT COMPAR(E) ;FOR MAX & MIN TESTING - MOVE B,VALN - JRST (C) -COMPAR==.-6 - CAMLE B,VALN - CAMGE B,VALN - - - -FLSWCH: XCT FLCMPR(E) - MOVE B,O - JRST (C) -FLCMPR==.-6 - CAMLE B,O - CAMGE B,O - ;PRIMITIVES ONEP AND ZEROP - -MFUNCTION ONEP,SUBR,[1?] - MOVEI E,1 - JRST JOIN - -MFUNCTION ZEROP,SUBR,[0?] - MOVEI E, - -JOIN: ENTRY 1 - GETYP A,TYP1 - CAIN A,TFIX ;fixed ? - JRST TESTFX - CAIE A,TFLOAT ;floating ? - JRST WTYP1 - MOVE B,VAL1 - CAMN B,NUMBR(E) ;equal to correct value ? - JRST YES1 - JRST NO1 - -TESTFX: CAMN E,VAL1 ;equal to correct value ? - JRST YES1 - -NO1: MOVSI A,TFALSE - MOVEI B,0 - JRST FINIS - -YES1: MOVSI A,TATOM - MOVE B,MQUOTE T - JRST FINIS - -NUMBR: 0 ;FLOATING PT ZERO - 201400,,0 ;FLOATING PT ONE - ;PRIMITIVES LESSP AND GREATERP - -MFUNCTION LEQP,SUBR,[L=?] - MOVEI E,3 - JRST ARGS - -MFUNCTION GEQP,SUBR,[G=?] - MOVEI E,2 - JRST ARGS - - -MFUNCTION LESSP,SUBR,[L?] - MOVEI E,1 - JRST ARGS - -MFUNCTION GREATERP,SUBR,[G?] - MOVEI E,0 - -ARGS: ENTRY 2 - MOVE B,VAL1 - MOVE A,TYP1 - GETYP 0,A - PUSHJ P,CMPTYP - JRST WTYP1 - MOVE D,VAL2 - MOVE C,TYP2 - GETYP 0,C - PUSHJ P,CMPTYP - JRST WTYP2 - PUSHJ P,ACOMPS - JFCL - JRST FINIS - -; COMPILERS ENTRIES TO THESE GUYS - -IRP NAME,,[CGQ,CLQ,CGEQ,CLEQ]COD,,[0,1,2,3] - -NAME: MOVEI E,COD - JRST ACOMPS -TERMIN - -ACOMPS: GETYP A,A - GETYP 0,C - CAIE 0,(A) - JRST COMPD ; COMPARING FIX AND FLOAT -TEST: CAMN B,D - JRST @TABLE4(E) - CAMG B,D - JRST @TABLE2(E) - JRST @TABLE3(E) - -CMPTYP: CAIE 0,TFIX - CAIN 0,TFLOAT - AOS (P) - POPJ P, -COMPD: EXCH B,D - CAIN A,TFLOAT - JSP A,BFLOAT - EXCH B,D - CAIN 0,TFLOAT - JSP A,BFLOAT -COMPF: JRST TEST - -MFUNCTION RANDOM,SUBR - ENTRY - HLRE A,AB - CAMGE A,[-4] ;At most two arguments to random to set seeds - JRST TMA - JRST RANDGO(A) - MOVE B,VAL2 ;Set second seed - MOVEM B,RLOW - MOVE A,VAL1 ;Set first seed - MOVEM A,RHI -RANDGO: PUSHJ P,CRAND - JRST FINIS - -CRAND: MOVE B,RLOW ;FREDKIN'S RANDOM NUMBER GENERATOR. - MOVE A,RHI - MOVEM A,RLOW - LSHC A,-43 - XORB B,RHI - MOVSI A,TFIX - POPJ P, - - MFUNCTION SQRT,SUBR - PUSHJ P,ARGCHK - JUMPL B,NSQRT - PUSHJ P,ISQRT - JRST FINIS - -ISQRT: MOVE A,B - ASH B,-1 - FSC B,100 -SQ2: MOVE C,B ;NEWTON'S METHOD, SPECINER'S HACK. - FDVRM A,B - FADRM C,B - FSC B,-1 - CAME C,B - JRST SQ2 - MOVSI A,TFLOAT - POPJ P, - -MFUNCTION COS,SUBR - PUSHJ P,ARGCHK - FADR B,[1.570796326] ;COS(X)=SIN (X+PI/2) - PUSHJ P,.SIN - MOVSI A,TFLOAT - JRST FINIS - -MFUNCTION SIN,SUBR - PUSHJ P,ARGCHK - PUSHJ P,.SIN - MOVSI A,TFLOAT - JRST FINIS - -.SIN: MOVM A,B - CAMG A,[.0001] - POPJ P, ;GOSPER'S RECURSIVE SIN. - FDVR B,[-3.0] ;SIN(X)=4*SIN(X/-3)**3-3*SIN(X/-3) - PUSHJ P,.SIN - FSC A,1 - FMPR A,A - FADR A,[-3.0] - FMPRB A,B - POPJ P, - -CSQRT: PUSHJ P,CARGCH - JUMPL B,NSQRT - JRST ISQRT - -CSIN: PUSHJ P,CARGCH -CSIN1: PUSHJ P,.SIN - MOVSI A,TFLOAT - POPJ P, - -CCOS: PUSHJ P,CARGCH - FADR B,[1.570796326] - JRST CSIN1 - MFUNCTION LOG,SUBR - PUSHJ P,ARGCHK ;LEAVES ARGUMENT IN B - PUSHJ P,ILOG - JRST FINIS - -CLOG: PUSHJ P,CARGCH - -ILOG: JUMPLE B,OUTRNG - LDB D,[331100,,B] ;GRAB EXPONENT - SUBI D,201 ;REMOVE BIAS - TLZ B,777000 ;SET EXPONENT - TLO B,201000 ; TO 1 - MOVE A,B - FSBR A,RT2 - FADR B,RT2 - FDVB A,B - FMPR B,B - MOVE C,[0.434259751] - FMPR C,B - FADR C,[0.576584342] - FMPR C,B - FADR C,[0.961800762] - FMPR C,B - FADR C,[2.88539007] - FMPR C,A - FADR C,[0.5] - MOVE B,D - FSC B,233 - FADR B,C - FMPR B,[0.693147180] ;LOG E OF 2 - MOVSI A,TFLOAT - POPJ P, - -RT2: 1.41421356 - MFUNCTION ATAN,SUBR - PUSHJ P,ARGCHK - PUSHJ P,IATAN - JRST FINIS - -CATAN: PUSHJ P,CARGCH - -IATAN: PUSH P,B - MOVM D,B - CAMG D,[0.4^-8] ;SMALL ENOUGH SO ATAN(X)=X? - JRST ATAN3 ;YES - CAML D,[7.0^7] ;LARGE ENOUGH SO THAT ATAN(X)=PI/2? - JRST ATAN1 ;YES - MOVN C,[1.0] - CAMLE D,[1.0] ;IS ABS(X)<1.0? - FDVM C,D ;NO,SCALE IT DOWN - MOVE B,D - FMPR B,B - MOVE C,[1.44863154] - FADR C,B - MOVE A,[-0.264768620] - FDVM A,C - FADR C,B - FADR C,[3.31633543] - MOVE A,[-7.10676005] - FDVM A,C - FADR C,B - FADR C,[6.76213924] - MOVE B,[3.70925626] - FDVR B,C - FADR B,[0.174655439] - FMPR B,D - JUMPG D,ATAN2 ;WAS ARG SCALED? - FADR B,PI2 ;YES, ATAN(X)=PI/2-ATAN(1/X) - JRST ATAN2 -ATAN1: MOVE B,PI2 -ATAN2: SKIPGE (P) ;WAS INPUT NEGATIVE? - MOVNS B ;YES,COMPLEMENT -ATAN3: MOVSI A,TFLOAT - SUB P,[1,,1] - POPJ P, - -PI2: 1.57079632 - MFUNCTION IEXP,SUBR,[EXP] - PUSHJ P,ARGCHK ;LEAVE FLOATING POINT ARG IN B - PUSHJ P,IIEXP - JRST FINIS - -CEXP: PUSHJ P,CARGCH - -IIEXP: PUSH P,B - MOVM A,B - SETZM B - FMPR A,[0.434294481] ;LOG BASE 10 OF E - MOVE D,[1.0] - CAMG A,D - JRST RATEX - MULI A,400 - ASHC B,-243(A) - CAILE B,43 - JRST OUTRNG - CAILE B,7 - JRST EXPR2 -EXPR1: FMPR D,FLOAP1(B) - LDB A,[103300,,C] - SKIPE A - TLO A,177000 - FADR A,A -RATEX: MOVEI B,7 - SETZM C -RATEY: FADR C,COEF2-1(B) - FMPR C,A - SOJN B,RATEY - FADR C,[1.0] - FMPR C,C - FMPR D,C - MOVE B,[1.0] - SKIPL (P) ;SKIP IF INPUT NEGATIVE - SKIPN B,D - FDVR B,D - MOVSI A,TFLOAT - SUB P,[1,,1] - POPJ P, - -EXPR2: LDB E,[030300,,B] - ANDI B,7 - MOVE D,FLOAP1(E) - FMPR D,D ;TO THE 8TH POWER - FMPR D,D - FMPR D,D - JRST EXPR1 - -COEF2: 1.15129278 - 0.662730884 - 0.254393575 - 0.0729517367 - 0.0174211199 - 2.55491796^-3 - 9.3264267^-4 - -FLOAP1: 1.0 - 10.0 - 100.0 - 1000.0 - 10000.0 - 100000.0 - 1000000.0 - 10000000.0 - ;BITWISE BOOLEAN FUNCTIONS - -MFUNCTION %ANDB,SUBR,ANDB - ENTRY - HRREI B,-1 ;START ANDING WITH ALL ONES - MOVE D,[AND B,A] ;LOGICAL INSTRUCTION - JRST LOGFUN ;DO THE OPERATION - -MFUNCTION %ORB,SUBR,ORB - ENTRY - MOVEI B,0 - MOVE D,[IOR B,A] - JRST LOGFUN - -MFUNCTION %XORB,SUBR,XORB - ENTRY - MOVEI B,0 - MOVE D,[XOR B,A] - JRST LOGFUN - -MFUNCTION %EQVB,SUBR,EQVB - ENTRY - HRREI B,-1 - MOVE D,[EQV B,A] - -LOGFUN: JUMPGE AB,ZROARG -LOGTYP: GETYP A,(AB) ;GRAB THE TYPE - PUSHJ P,SAT ;STORAGE ALLOCATION TYPE - CAIE A,S1WORD - JRST WRONGT ;WRONG TYPE...LOSE - MOVE A,1(AB) ;LOAD ARG INTO A - XCT D ;DO THE LOGICAL OPERATION - AOBJP AB,.+2 ;ADD ONE TO BOTH HALVES - AOBJN AB,LOGTYP ;ADD AGAIN AND LOOP IF NEEDED - -ZROARG: MOVE A,$TWORD - JRST FINIS - REPEAT 0,[ -;routine to sort lists or vectors of either fixed point or floating numbers -;the components are interchanged repeatedly to acheive the sort -;first arg: the structure to be sorted -;if no second arg sort in descending order -;second arg: if false then sort in ascending order -; else sort in descending order - -MFUNCTION SORT,SUBR - ENTRY - HLRZ A,AB - CAIGE A,-4 ;Only two arguments allowed - JRST TMA - MOVE O,DESCEND ;Set up "O" to test for descending order as default condition - CAIE A,-4 ;Optional second argument? - JRST .+4 - GETYP B,TYP2 ;See if it is other than false - CAIN B,TFALSE - MOVE O,ASCEND ;Set up "O" to test for ascending order - GETYP A,TYP1 ;CHECK TYPE OF FIRST ARGUMENT - CAIN A,TLIST - JRST LSORT - CAIN A,TVEC - JRST VSORT - JRST WTYP1 - - - - -GOBACK: MOVE A,TYP1 ;RETURN THE SORTED ARGUMENT AS VALUE - MOVE B,VAL1 - JRST FINIS - -DESCEND: CAMG C,(A)+1 -ASCEND: CAML C,(A)+1 - ;ROUTINE TO SORT LISTS IN NUMERICAL ORDER - -LSORT: MOVE A,VAL1 - JUMPE A,GOBACK ;EMPTY LIST? - HLRZ B,(A) ;TYPE OF FIRST COMPONENT - CAIE B,TFIX - CAIN B,TFLOAT - SKIPA - JRST WRONGT - MOVEI E,0 ;FOR COUNT OF LENGTH OF LIST -LCOUNT: JUMPE A,LLSORT ;REACHED END OF LIST? - MOVE A,(A) ;NEXT COMPONENT - TLZ A,(B) ;SAME TYPE AS FIRST COMPONENT? - TLNE A,-1 - JRST WRONGT - AOJA E,LCOUNT ;INCREMENT COUNT AND CONTINUE - -LLSORT: SOJE E,GOBACK ;FINISHED WITH SORTING? - HRRZ A,VAL1 ;START THIS LOOP OF SORTING AT THE BEGINNING - MOVEM E,(P)+1 ;Save the iteration depth -CLSORT: HRRZ B,(A) ;NEXT COMPONENT - MOVE C,(B)+1 ;ITS VALUE - XCT O ;ARE THESE TWO COMPONENTS IN ORDER? - JRST .+4 - MOVE D,(A)+1 ;INTERCHANGE THEM - MOVEM D,(B)+1 - MOVEM C,(A)+1 - MOVE A,B ;MAKE THE COMPONENT IN "B" THE CURRENT ONE - SOJG E,CLSORT - MOVE E,(P)+1 ;Restore the iteration depth - JRST LLSORT - ;ROUTINE TO SORT VECTORS IN NUMERICAL ORDER - -VSORT: HLRE D,VAL1 ;GET COUNT FIELD OF VECTOR - IDIV D,[-2] ;LENGTH - JUMPE D,GOBACK ;EMPTY VECTOR? - MOVE E,D ;SAVE LENGTH IN "E" - HRRZ A,VAL1 ;POINTER TO VECTOR - MOVE B,(A) ;TYPE OF FIRST COMPONENT - CAME B,$TFIX - CAMN B,$TFLOAT - SKIPA - JRST WRONGT - SOJLE D,GOBACK ;IF ONLY ONE COMPONENT THEN FINISHED -VCOUNT: ADDI A,2 ;CHECK NEXT COMPONENT - CAME B,(A) ;SAME TYPE AS FIRST COMPONENT? - JRST WRONGT - SOJG D,VCOUNT ;CONTINUE WITH NEXT COMPONENT - -VVSORT: SOJE E,GOBACK ;FINISHED SORTING? - HRRZ A,VAL1 ;START THIS LOOP OF SORTING AT THE BEGINNING - MOVEM E,(P)+1 ;Save the iteration depth -CVSORT: MOVE C,(A)+3 ;VALUE OF NEXT COMPONENT - XCT O ;ARE THESE TWO COMPONENTS IN ORDER? - JRST .+4 - MOVE D,(A)+1 ;INTERCHANGE THEM - MOVEM D,(A)+3 - MOVEM C,(A)+1 - ADDI A,2 ;UPDATE THE CURRENT COMPONENT - SOJG E,CVSORT - MOVE E,(P)+1 ;Restore the iteration depth - JRST VVSORT -] - -MFUNCTION TIME,SUBR - ENTRY - PUSHJ P,CTIME - JRST FINIS - -IMPURE - -RHI: 267762113337 -RLOW: 155256071112 -PURE - - -END - TITLE ATOMHACKER FOR MUDDLE - -RELOCATABLE - -.INSRT MUDDLE > -.GLOBAL RLOOKU,CHMAK,OBLNT,ROOT,INTOBL,ERROBL,IFALSE -.GLOBAL .BLOCK,IDVAL,NXTDCL,CHRWRD,CSTACK,CSTAK,ILOOKC,IGVAL,BYTDOP -.GLOBAL ICONS,INCONS,IBLOCK,INSRTX,GCHACK,IMPURIFY -.GLOBAL CINSER,CIRMV,CLOOKU,CATOM,CIPNAM,MPOPJ,CSETG - -.VECT.==40000 ; BIT FOR GCHACK - -; FUNCTION TO GENERATE AN EMPTY OBLIST - -MFUNCTION MOBLIST,SUBR - - ENTRY - CAMGE AB,[-5,,0] ;CHECK NUMBER OF ARGS - JRST TMA - JUMPGE AB,MOBL2 ; NO ARGS - PUSH TP,(AB) - PUSH TP,1(AB) - PUSH TP,$TATOM - PUSH TP,IMQUOTE OBLIST - MCALL 2,GET ; CHECK IF IT EXISTS ALREADY - CAMN A,$TOBLS - JRST FINIS -MOBL2: MOVE A,OBLNT ;GET DEFAULT LENGTH - CAML AB,[-3,,0] ;IS LENGTH SUPPLIED - JRST MOBL1 ;NO, USE STANDARD LENGTH - GETYP C,2(AB) ;GET ARG TYPE - CAIE C,TFIX - JRST WTYP2 ;LOSE - MOVE A,3(AB) ;GET LENGTH -MOBL1: PUSH TP,$TFIX - PUSH TP,A - MCALL 1,UVECTOR ;GET A UNIFORM VECTOR - MOVSI C,TLIST+.VECT. ;IT IS OF TYPE LIST - HLRE D,B ;-LENGTH TO D - SUBM B,D ;D POINTS TO DOPE WORD - MOVEM C,(D) ;CLOBBER TYPE IN - MOVSI A,TOBLS - JUMPGE AB,FINIS ; IF NO ARGS, DONE - GETYP A,(AB) - CAIE A,TATOM - JRST WTYP1 - PUSH TP,$TOBLS - PUSH TP,B - PUSH TP,$TOBLS - PUSH TP,B - PUSH TP,$TATOM - PUSH TP,IMQUOTE OBLIST - PUSH TP,(AB) - PUSH TP,1(AB) - MCALL 3,PUT ; PUT THE NAME ON THE OBLIST - PUSH TP,(AB) - PUSH TP,1(AB) - PUSH TP,$TATOM - PUSH TP,IMQUOTE OBLIST - PUSH TP,(TB) - PUSH TP,1(TB) - MCALL 3,PUT ; PUT THE OBLIST ON THE NAME - - POP TP,B - POP TP,A - JRST FINIS - -MFUNCTION GROOT,SUBR,ROOT - ENTRY 0 - MOVE A,ROOT(TVP) - MOVE B,ROOT+1(TVP) - JRST FINIS - -MFUNCTION GINTS,SUBR,INTERRUPTS - ENTRY 0 - MOVE A,INTOBL(TVP) - MOVE B,INTOBL+1(TVP) - JRST FINIS - -MFUNCTION GERRS,SUBR,ERRORS - ENTRY 0 - MOVE A,ERROBL(TVP) - MOVE B,ERROBL+1(TVP) - JRST FINIS - - -COBLQ: SKIPN B,2(B) ; SKIP IF EXISTS - JRST IFLS - MOVSI A,TOBLS - JUMPL B,CPOPJ1 - ADDI B,(TVP) - MOVE B,(B) -CPOPJ1: AOS (P) - POPJ P, - -IFLS: MOVEI B,0 - MOVSI A,TFALSE - POPJ P, - -MFUNCTION OBLQ,SUBR,[OBLIST?] - - ENTRY 1 - GETYP A,(AB) - CAIE A,TATOM - JRST WTYP1 - MOVE B,1(AB) ; GET ATOM - PUSHJ P,COBLQ - JFCL - JRST FINIS - - ; FUNCTION TO FIND AN ATOM ON A GIVEN OBLIST WITH A GIVEN PNAME - -MFUNCTION LOOKUP,SUBR - - ENTRY 2 - PUSHJ P,ILOOKU ;CALL INTERNAL ROUTINE - JRST FINIS - -CLOOKU: SUBM M,(P) - PUSH TP,A - PUSH TP,B - MOVEI B,-1(TP) - PUSH TP,$TOBLS - PUSH TP,C - GETYP A,A - PUSHJ P,CSTAK - MOVE B,(TP) - PUSHJ P,ILOOK - POP P,D - HRLI D,(D) - SUB P,D - SKIPE B - SOS (P) - SUB TP,[4,,4] - JRST MPOPJ - -ILOOKU: PUSHJ P,ARGCHK ;CHECK ARGS - PUSHJ P,CSTACK ;PUT CHARACTERS ON THE STACK - -CALLIT: MOVE B,3(AB) ;GET OBLIST -ILOOKC: PUSHJ P,ILOOK ;LOOK IT UP - POP P,D ;RESTORE COUNT - HRLI D,(D) ;TO BOTH SIDES - SUB P,D - POPJ P, - -;THIS ROUTINE CHECKS ARG TYPES - -ARGCHK: GETYP A,(AB) ;GET TYPES - GETYP C,2(AB) - CAIE A,TCHRS ;IS IT EITHER CHAR STRING - CAIN A,TCHSTR - CAIE C,TOBLS ;IS 2ND AN OBLIST - JRST WRONGT ;TYPES ARE WRONG - POPJ P, - -;THIS SUBROUTINE PUTS CHARACTERS ON THE STACK (P WILL BE CHANGED) - - -CSTACK: MOVEI B,(AB) -CSTAK: POP P,D ;RETURN ADDRESS TO D - CAIE A,TCHRS ;IMMEDIATE? - JRST NOTIMM ;NO, HAIR - MOVE A,1(B) ; GET CHAR - LSH A,29. ; POSITION - PUSH P,A ;ONTO P - PUSH P,[1] ;WITH NUMBER - JRST (D) ;GO CALL SEARCHER - -NOTIMM: MOVEI A,1 ; CLEAR CHAR COUNT - HRRZ C,(B) ; GET COUNT OF CHARS - JUMPE C,NULST ; FLUSH NULL STRING - MOVE B,1(B) ;GET BYTE POINTER - -CLOOP1: PUSH P,[0] ; STORE CHARS ON STACK - MOVSI E,(<440700,,(P)>) ; SETUP BYTE POINTER -CLOOP: ILDB 0,B ;GET A CHARACTER - IDPB 0,E ;STORE IT - SOJE C,CDONE ; ANY MORE? - TLNE E,760000 ; WORD FULL - JRST CLOOP ;NO CONTINUE - AOJA A,CLOOP1 ;AND CONTINUE - -CDONE: -CDONE1: PUSH P,A ;AND NUMBER OF WORDS - JRST (D) ;RETURN - - -NULST: PUSH TP,$TATOM - PUSH TP,EQUOTE NULL-STRING - JRST CALER1 - ; THIS FUNCTION LOOKS FOR ATOMS. CALLED BY PUSHJ P,ILOOK -; B/ OBLIST POINTER -; -1(P)/ LENGTH IN WORDS OF CHARACTER BLOCK -; CHAR STRING IS ON THE STACK - -ILOOK: MOVN A,-1(P) ;GET -LENGTH - HRLI A,-1(A) ;<-LENGTH-1>,,-LENGTH - PUSH TP,$TFIX ;SAVE - PUSH TP,A - ADDI A,-1(P) ;HAVE AOBJN POINTER TO CHARS - MOVEI D,0 ;HASH WORD - XOR D,(A) - AOBJN A,.-1 ;XOR THEM ALL TOGETHER - HLRE A,B ;GET LENGTH OF OBLIST - MOVNS A - TLZ D,400000 ; MAKE SURE + HASH CODE - IDIVI D,(A) ;DIVIDE - HRLI E,(E) ;TO BOTH HALVES - ADD B,E ;POINT TO BUCKET - - MOVEI 0,(B) ;IN CASE REMOVING 1ST - SKIPN C,(B) ;BUCKET EMPTY? - JRST NOTFND ;YES, GIVE UP -LOOK2: SKIPN A,1(C) ;NIL CAR ON LIST? - JRST NEXT ;YES TRY NEXT - ADD A,[3,,3] ;POINT TO ATOMS PNAME - MOVE D,(TP) ;GET PSEUDO AOBJN POINTER TO CHARS - ADDI D,-1(P) ;NOW ITS A REAL AOBJN POINTER - JUMPE D,CHECK0 ;ONE IS EMPTY -LOOK1: MOVE E,(D) ;GET A WORD - CAME E,(A) ;COMPARE - JRST NEXT ;THIS ONE DOESN'T MATCH - AOBJP D,CHECK ;ONE RAN OUT - AOBJN A,LOOK1 ;JUMP IF STILL MIGHT WIN - -NEXT: MOVEI 0,(C) ;POINT TO PREVIOUS ELEMENT - HRRZ C,(C) ;STEP THROUGH - JUMPN C,LOOK2 - -NOTFND: EXCH C,B ;RETURN BUCKET IN B - MOVSI A,TFALSE -CPOPJT: SUB TP,[2,,2] ;REMOVE RANDOM TP STUFF - POPJ P, - -CHECK0: JUMPN A,NEXT ;JUMP IF NOT ALSO EMPTY - SKIPA -CHECK: AOBJN A,NEXT ;JUMP IF NO MATCH - HLLZ A,(C) - MOVE E,B ; RETURN BUCKET - MOVE B,1(C) ;GET ATOM - JRST CPOPJT - - - ; FUNCTION TO INSERT AN ATOM ON AN OBLIST - -MFUNCTION INSERT,SUBR - - ENTRY 2 - GETYP A,2(AB) - CAIE A,TOBLS - JRST WTYP2 - MOVE A,(AB) - MOVE B,1(AB) - MOVE C,3(AB) - PUSHJ P,IINSRT - JRST FINIS - -CINSER: SUBM M,(P) - PUSHJ P,IINSRT - JRST MPOPJ - -IINSRT: PUSH TP,A - PUSH TP,B - PUSH TP,$TOBLS - PUSH TP,C - GETYP A,A - CAIN A,TATOM - JRST INSRT0 - -;INSERT WITH A GIVEN PNAME - - CAIE A,TCHRS - CAIN A,TCHSTR - JRST .+2 - JRST WTYP1 - - PUSH TP,$TFIX ;FLAG CALL - PUSH TP,[0] - MOVEI B,-5(TP) - PUSHJ P,CSTAK ;COPY ONTO STACK - MOVE B,-2(TP) - PUSHJ P,ILOOK ;LOOK IT UP (BUCKET RETURNS IN C) - JUMPN B,ALRDY ;EXISTS, LOSE - MOVE D,-2(TP) ; GET OBLIST BACK -INSRT1: PUSH TP,$TOBLS ;SAVE BUCKET POINTER - PUSH TP,C - PUSH TP,$TOBLS - PUSH TP,D ; SAVE OBLIST -INSRT3: PUSHJ P,IATOM ; MAKE AN ATOM - PUSHJ P,LINKCK ; A LINK REALLY NEEDED ? - MOVE E,-2(TP) - HRRZ E,(E) ; GET BUCKET - PUSHJ P,ICONS - MOVE C,-2(TP) ;BUCKET AGAIN - HRRM B,(C) ;INTO NEW BUCKET - MOVSI A,TATOM - MOVE B,1(B) ;GET ATOM BACK - MOVE D,(TP) ; GET OBLIST - MOVEM D,2(B) ; AND CLOBBER - MOVE C,-4(TP) ;GET FLAG - SUB TP,[6,,6] ;POP STACK - JUMPN C,(C) - SUB TP,[4,,4] - POPJ P, - -;INSERT WITH GIVEN ATOM -INSRT0: MOVE A,-2(TP) ;GOBBLE PNAME - SKIPE 2(A) ; SKIP IF NOT ON AN OBLIST - JRST ONOBL - ADD A,[3,,3] - HLRE C,A - MOVNS C - PUSH P,(A) ;FLUSH PNAME ONTO P STACK - AOBJN A,.-1 - PUSH P,C - MOVE B,(TP) ; GET OBLIST FOR LOOKUP - PUSHJ P,ILOOK ;ALREADY THERE? - JUMPN B,ALRDY - PUSH TP,$TOBLS ;SAVE NECESSARY STUFF AWAY FROM CONS - PUSH TP,C ;WHICH WILL MAKE A LIST FROM THE ATOM - MOVSI C,TATOM - MOVE D,-4(TP) - PUSHJ P,INCONS - MOVE C,(TP) ;RESTORE - HRRZ D,(C) - HRRM B,(C) - HRRM D,(B) - MOVE C,-2(TP) - MOVE B,-4(TP) ; GET BACK ATOM - MOVEM C,2(B) ; CLOBBER OBLIST IN - MOVSI A,TATOM - SUB TP,[6,,6] - POP P,C - HRLI C,(C) - SUB P,C - POPJ P, - -LINKCK: HRRZ C,FSAV(TB) ;CALLER'S NAME - CAIN C,LINK - SKIPA C,$TLINK ;LET US INSERT A LINK INSTEAD OF AN ATOM - MOVSI C,TATOM ;GET REAL ATOM FOR CALL TO ICONS - MOVE D,B - POPJ P, - - - -ALRDY: PUSH TP,$TATOM - PUSH TP,EQUOTE ATOM-ALREADY-THERE - JRST CALER1 - -ONOBL: PUSH TP,$TATOM - PUSH TP,EQUOTE ON-AN-OBLIST-ALREADY - JRST CALER1 - -; INTERNAL INSERT CALL - -INSRTX: POP P,0 ; GET RET ADDR - PUSH TP,$TFIX - PUSH TP,0 - PUSH TP,$TOBLS - PUSH TP,B - PUSH TP,$TOBLS - PUSH TP,B - PUSHJ P,ILOOK - JUMPN B,INSRXT - MOVEM C,-2(TP) - JRST INSRT3 ; INTO INSERT CODE - -INSRXT: PUSH P,-4(TP) - SUB TP,[6,,6] - POPJ P, - JRST IATM1 - -; FUNCTION TO REMOVE AN ATOM FROM AN OBLIST - -MFUNCTION REMOVE,SUBR - - ENTRY - - JUMPGE AB,TFA - CAMGE AB,[-5,,] - JRST TMA - MOVEI C,0 - CAML AB,[-3,,] ; SKIP IF OBLIST GIVEN - JRST .+5 - GETYP 0,2(AB) - CAIE 0,TOBLS - JRST WTYP2 - MOVE C,3(AB) - MOVE A,(AB) - MOVE B,1(AB) - PUSHJ P,IRMV - JRST FINIS - -CIRMV: SUBM M,(P) - PUSHJ P,IRMV - JRST MPOPJ - -IRMV: PUSH TP,A - PUSH TP,B - PUSH TP,$TOBLS - PUSH TP,C -IRMV1: GETYP 0,A ; CHECK 1ST ARG - CAIN 0,TLINK - JRST .+3 - CAIE 0,TATOM ; ATOM, TREAT ACCORDINGLY - JRST RMV1 - - SKIPN D,2(B) ; SKIP IF ON OBLIST AND GET SAME - JRST IFALSE - JUMPL D,.+3 - ADDI D,(TVP) - MOVE D,(D) - JUMPE C,GOTOBL - CAME C,D ; BETTER BE THE SAME - JRST ONOTH - -GOTOBL: ADD B,[3,,3] ; POINT TO PNAME - HLRE A,B - MOVNS A - PUSH P,(B) ; PUSH PNAME - AOBJN B,.-1 - PUSH P,A - MOVEM D,(TP) ; SAVE OBLIST - JRST RMV3 - -RMV1: JUMPE C,TFA - CAIE 0,TCHRS - CAIN 0,TCHSTR - SKIPA A,0 - JRST WTYP1 - MOVEI B,-3(TP) - PUSHJ P,CSTAK -RMV3: MOVE B,(TP) - PUSHJ P,ILOOK - POP P,D - HRLI D,(D) - SUB P,D - JUMPE B,RMVDON - HRRZ D,0 ;PREPARE TO SPLICE (0 POINTS PRIOR TO LOSING PAIR) - HRRZ C,(C) ;GET NEXT OF LOSING PAIR - MOVEI 0,(B) - CAIGE 0,HIBOT ; SKIP IF PURE - JRST RMV2 - PUSHJ P,IMPURIFY - MOVE A,-3(TP) - MOVE B,-2(TP) - MOVE C,(TP) - JRST IRMV1 -RMV2: HRRM C,(D) ;AND SPLICE - SETZM 2(B) ; CLOBBER OBLIST SLOT -RMVDON: SUB TP,[4,,4] - POPJ P, - - -;INTERNAL CALL FROM THE READER - -RLOOKU: PUSH TP,$TFIX ;PUSH A FLAG - POP P,C ;POP OFF RET ADR - PUSH TP,C ;AND USE AS A FLAG FOR INTERNAL - MOVE C,(P) ; CHANGE CHAR COUNT TO WORD - ADDI C,4 - IDIVI C,5 - MOVEM C,(P) - - CAMN A,$TOBLS ;IS IT ONE OBLIST? - JRST RLOOK1 - CAME A,$TLIST ;IS IT A LIST - JRST BADOBL - - JUMPE B,BADLST - PUSH TP,$TOBLS ; SLOT FOR REMEBERIG - PUSH TP,[0] - PUSH TP,$TOBLS - PUSH TP,[0] - PUSH TP,A - PUSH TP,B - -RLOOK2: GETYP A,(B) ;CHECK THIS IS AN OBLIST - MOVE B,1(B) ;VALUE - CAIE A,TOBLS - JRST DEFALT - PUSHJ P,ILOOK ;LOOK IT UP - JUMPN B,RLOOK3 ;WIN - SKIPE -2(TP) ; SKIP IF DEFAULT NOT STORED - JRST RLOOK4 - HRRZ D,(TP) ; GET CURRENT - MOVE D,1(D) ; OBLIST - MOVEM D,-2(TP) - MOVEM C,-4(TP) ; FOR INSERT IF NEEDED -RLOOK4: INTGO - HRRZ B,@(TP) ;CDR THE LIST - HRRZM B,(TP) - JUMPN B,RLOOK2 - SKIPN D,-2(TP) ; RESTORE FOR INSERT - JRST BADDEF ; NO DEFAULT, USER LOST ON SPECIFICATION - MOVE C,-4(TP) - SUB TP,[6,,6] ; FLUSH CRAP - JRST INSRT1 - -DEFFLG==1 ;SPECIAL FLAG USED TO INDICATE THAT A DEFAULT HAS ALREADY BEEN SPECIFIED -DEFALT: CAIN A,TATOM ;SPECIAL DEFAULT INDICATING ATOM ? - CAME B,MQUOTE DEFAULT - JRST BADDEF ;NO, LOSE - MOVSI A,DEFFLG - XORB A,-6(TP) ;SET AND TEST FLAG - TLNN A,DEFFLG ; HAVE WE BEEN HERE BEFORE ? - JRST BADDEF ; YES, LOSE - SETZM -2(TP) ;ZERO OUT PREVIOUS DEFAULT - SETZM -4(TP) - JRST RLOOK4 ;CONTINUE - -RLOOK1: PUSH TP,$TOBLS - PUSH TP,B ; SAVE OBLIST - PUSHJ P,ILOOK ;LOOK IT UP THERE - MOVE D,(TP) ; GET OBLIST - SUB TP,[2,,2] - JUMPE B,INSRT1 ;GO INSET IT - - -INSRT2: JRST .+2 ; -RLOOK3: SUB TP,[6,,6] ;POP OFF LOSSAGE - PUSHJ P,ILINK ;IF THIS IS A LINK FOLLOW IT - PUSH P,(TP) ;GET BACK RET ADR - SUB TP,[2,,2] ;POP TP - JRST IATM1 ;AND RETURN - - -BADOBL: PUSH TP,$TATOM - PUSH TP,EQUOTE BAD-OBLIST-OR-LIST-THEREOF - JRST CALER1 - -BADDEF: PUSH TP,$TATOM - PUSH TP,EQUOTE BAD-DEFAULT-OBLIST-SPECIFICATION - JRST CALER1 - -ONOTH: PUSH TP,$TATOM - PUSH TP,EQUOTE ATOM-ON-DIFFERENT-OBLIST - JRST CALER1 - ;SUBROUTINE TO MAKE AN ATOM - -MFUNCTION ATOM,SUBR - - ENTRY 1 - - MOVE A,(AB) - MOVE B,1(AB) - PUSHJ P,IATOMI - JRST FINIS - -CATOM: SUBM M,(P) - PUSHJ P,IATOMI - JRST MPOPJ - -IATOMI: GETYP 0,A ;CHECK ARG TYPE - CAIE 0,TCHRS - CAIN 0,TCHSTR - JRST .+2 ;JUMP IF WINNERS - JRST WTYP1 - - PUSH TP,A - PUSH TP,B - MOVEI B,-1(TP) - MOVE A,0 - PUSHJ P,CSTAK ;COPY ONTO STACK - PUSHJ P,IATOM ;NOW MAKE THE ATOM - POPJ P, - -;INTERNAL ATOM MAKER - -IATOM: MOVE A,-1(P) ;GET WORDS IN PNAME - ADDI A,3 ;FOR VALUE CELL - PUSHJ P,IBLOCK ; GET BLOCK - MOVSI C,<(GENERAL)>+SATOM+.VECT. ;FOR TYPE FIELD - MOVE D,-1(P) ;RE-GOBBLE LENGTH - ADDI D,3(B) ;POINT TO DOPE WORD - MOVEM C,(D) - SKIPG -1(P) ;EMPTY PNAME ? - JRST IATM0 ;YES, NO CHARACTERS TO MOVE - MOVE E,B ;COPY ATOM POINTER - ADD E,[3,,3] ;POINT TO PNAME AREA - MOVEI C,-1(P) - SUB C,-1(P) ;POINT TO STRING ON STACK - MOVE D,(C) ;GET SOME CHARS - MOVEM D,(E) ;AND COPY THEM - ADDI C,1 - AOBJN E,.-3 -IATM0: MOVSI A,TATOM ;TYPE TO ATOM -IATM1: POP P,D ;RETURN ADR - POP P,C - HRLI C,(C) - SUB P,C - JRST (D) ;RETURN - - ;SUBROUTINE TO GET AN ATOM'S PNAME - -MFUNCTION PNAME,SUBR - - ENTRY 1 - - GETYP A,(AB) - CAIE A,TATOM ;CHECK TYPE IS ATOM - JRST WTYP1 - MOVE A,1(AB) - PUSHJ P,IPNAME - JRST FINIS - -CIPNAM: SUBM M,(P) - PUSHJ P,IPNAME - JRST MPOPJ - -IPNAME: ADD A,[3,,3] - HLRE B,A - MOVM B,B - PUSH P,(A) ;FLUSH PNAME ONTO P - AOBJN A,.-1 - IMULI B,5 ; CHARS TO B - MOVE 0,(P) ; LAST WORD - MOVE A,0 - SUBI A,1 ; FIND LAST 1 - ANDCM 0,A ; 0 HAS 1ST 1 - JFFO 0,.+1 - HRREI 0,-34.(A) ; FIND HOW MUCH TO ADD - IDIVI 0,7 - ADD B,0 - PUSH P,B - PUSHJ P,CHMAK ;MAKE A STRING - POPJ P, - - ; BLOCK STRUCTURE SUBROUTINES FOR MUDDLE - -MFUNCTION BLK,SUBR,BLOCK - - ENTRY 1 - - GETYP A,(AB) ;CHECK TYPE OF ARG - CAIE A,TOBLS ;IS IT AN OBLIST - CAIN A,TLIST ;OR A LIAT - JRST .+2 - JRST WTYP1 - MOVSI A,TATOM ;LOOK UP OBLIST - MOVE B,IMQUOTE OBLIST - PUSHJ P,IDVAL ;GET VALUE - PUSH TP,A - PUSH TP,B - PUSH TP,.BLOCK(PVP) ;HACK THE LIST - PUSH TP,.BLOCK+1(PVP) - MCALL 2,CONS ;CONS THE LIST - MOVEM A,.BLOCK(PVP) ;STORE IT BACK - MOVEM B,.BLOCK+1(PVP) - PUSH TP,$TATOM - PUSH TP,IMQUOTE OBLIST - PUSH TP,(AB) - PUSH TP,1(AB) - MCALL 2,SET ;SET OBLIST TO ARG - JRST FINIS - -MFUNCTION ENDBLOCK,SUBR - - ENTRY 0 - - SKIPN B,.BLOCK+1(PVP) ;IS THE LIST NIL? - JRST BLKERR ;YES, LOSE - HRRZ C,(B) ;CDR THE LIST - HRRZM C,.BLOCK+1(PVP) - PUSH TP,$TATOM ;NOW RESET OBLIST - PUSH TP,IMQUOTE OBLIST - HLLZ A,(B) ;PUSH THE TYPE OF THE CAR - PUSH TP,A - PUSH TP,1(B) ;AND VALUE OF CAR - MCALL 2,SET - JRST FINIS - -BLKERR: PUSH TP,$TATOM - PUSH TP,EQUOTE UNMATCHED - JRST CALER1 - -BADLST: PUSH TP,$TATOM - PUSH TP,EQUOTE NIL-LIST-OF-OBLISTS - JRST CALER1 - ;SUBROUTINE TO CREATE CHARACTER STRING GOODIE - -CHMAK: MOVE A,-1(P) - ADDI A,4 - IDIVI A,5 - PUSHJ P,IBLOCK - MOVEI C,-1(P) ;FIND START OF CHARS - HLRE E,B ; - LENGTH - ADD C,E ;C POINTS TO START - MOVE D,B ;COPY VECTOR RESULT - JUMPGE D,NULLST ;JUMP IF EMPTY - MOVE A,(C) ;GET ONE - MOVEM A,(D) - ADDI C,1 ;BUMP POINTER - AOBJN D,.-3 ;COPY -NULLST: MOVSI C,TCHRS+.VECT. ;GET TYPE - MOVEM C,(D) ;CLOBBER IT IN - MOVE A,-1(P) ; # WORDS - HRLI A,TCHSTR - HRLI B,440700 - MOVMM E,-1(P) ; SO IATM1 WORKS - JRST IATM1 ;RETURN - -; SUBROUTINE TO READ FIVE CHARS FROM STRING. -; TWO CALLS, ONE WITH A POINTING TO LIST ELEMENT, -; THE OTHER WITH B POINTING TO PAIR. SKIPS IF WINNER, ELSE DOESNT - -NXTDCL: GETYP B,(A) ;CHECK TYPE - CAIE B,TDEFER ;LOSE IF NOT DEFERRED - POPJ P, - - MOVE B,1(A) ;GET REAL BYTE POINTER -CHRWRD: PUSH P,C - GETYP C,(B) ;CHECK IT IS CHSTR - CAIE C,TCHSTR - JRST CPOPJC ;NO, QUIT - PUSH P,D - PUSH P,E - PUSH P,0 - MOVEI E,0 ;INITIALIZE DESTINATION - HRRZ C,(B) ; GET CHAR COUNT - JUMPE C,GOTDCL ; NULL, FINISHED - MOVE B,1(B) ;GET BYTE POINTER - MOVE D,[440700,,E] ;BYTE POINT TO E -CHLOOP: ILDB 0,B ; GET A CHR - IDPB 0,D ;CLOBBER AWAY - SOJE C,GOTDCL ; JUMP IF DONE - TLNE D,760000 ; SKIP IF WORD FULL - JRST CHLOOP ; MORE THAN 5 CHARS - TRO E,1 ; TURN ON FLAG - -GOTDCL: MOVE B,E ;RESULT TO B - AOS -4(P) ;SKIP RETURN -CPOPJ0: POP P,0 - POP P,E - POP P,D -CPOPJC: POP P,C - POPJ P, - -; SUBROUTINE TO FIND A BYTE STRINGS DOPE WORD -; RECEIVES POINTER TO PAIR CONNTAINIGN CHSTR IN C, RETURNS DOPE WORD IN A - -BYTDOP: PUSH P,B ; SAVE SOME ACS - PUSH P,D - PUSH P,E - MOVE B,1(C) ; GET BYTE POINTER - LDB D,[360600,,B] ; POSITION TO D - LDB E,[300600,,B] ; AND BYTE SIZE - MOVEI A,(E) ; A COPY IN A - IDIVI D,(E) ; D=> # OF BYTES IN WORD 1 - HRRZ E,(C) ; GET LENGTH - SUBM E,D ; # OF BYTES IN OTHER WORDS - JUMPL D,BYTDO1 ; NEAR DOPE WORD - MOVEI B,36. ; COMPUTE BYTES PER WORD - IDIVM B,A - ADDI D,-1(A) ; NOW COMPUTE WORDS - IDIVI D,(A) ; D/ # NO. OF WORDS PAST 1ST - ADD D,1(C) ; D POINTS TO DOPE WORD - MOVEI A,2(D) - -BYTDO2: POP P,E - POP P,D - POP P,B - POPJ P, -BYTDO1: MOVEI A,1(B) - CAME D,[-5] - AOJA A,BYTDO2 - JRST BYTDO2 - ;ROUTINES TO DEFINE AND HANDLE LINKS - -MFUNCTION LINK,SUBR - ENTRY - CAML AB,[-6,,0] ;NO MORE THAN 3 ARGS - CAML AB,[-2,,0] ;NO LESS THAN 2 ARGS - JRST WNA - CAML AB,[-4,,0] ;ONLY TWO ARGS SUPPLIED ? - JRST GETOB ;YES, GET OBLIST FROM CURRENT PATH - MOVE A,2(AB) - MOVE B,3(AB) - MOVE C,5(AB) - JRST LINKIN -GETOB: MOVSI A,TATOM - MOVE B,IMQUOTE OBLIST - PUSHJ P,IDVAL - CAMN A,$TOBLS - JRST LINKP - CAME A,$TLIST - JRST BADOBL - JUMPE B,BADLST - GETYPF A,(B) - MOVE B,(B)+1 -LINKP: MOVE C,B - MOVE A,2(AB) - MOVE B,3(AB) -LINKIN: PUSHJ P,IINSRT - CAMN A,$TFALSE ;LINK NAME ALREADY USED ? - JRST ALRDY ;YES, LOSE - MOVE C,B - MOVE A,(AB) - MOVE B,1(AB) - PUSHJ P,CSETG - JRST FINIS - - -ILINK: CAME A,$TLINK ;FOUND A LINK ? - POPJ P, ;NO, FINISHED - MOVSI A,TATOM - PUSHJ P,IGVAL ;GET THE LINK'S DESTINATION - CAME A,$TUNBOUND ;WELL FORMED LINK ? - POPJ P, ;YES - PUSH TP,$TATOM - PUSH TP,EQUOTE BAD-LINK - JRST CALER1 - - -; THIS SUBROUTINE IMPURIFIES A PURE ATOM TO ALLOW MODIFICATION OF SYSTEM SUBRS - -IMPURIFY: - PUSH TP,$TATOM - PUSH TP,B - MOVE C,B - MOVEI 0,(C) - CAIGE 0,HIBOT - JRST RTNATM ; NOT PURE, RETURN - -; 1) IMPURIFY ITS OBLIST BUCKET - - SKIPN B,2(C) ; PICKUP OBLIST IF IT EXISTS - JRST IMPUR1 ; NOT ON ONE, IGNORE THIS CODE - - ADDI B,(TVP) ; POINT TO SLOT - MOVE B,(B) ; GET THE REAL THING - ADD C,[3,,3] ; POINT TO PNAME - HLRE A,C ; GET LNTH IN WORDS OF PNAME - MOVNS A - PUSH P,[IMPUR2] ; FAKE OUT ILOOKC - PUSH P,(C) ; PUSH UP THE PNAME - AOBJN C,.-1 - PUSH P,A ; NOW THE COUNT - JRST ILOOKC ; GO FIND BUCKET - -IMPUR2: JUMPE B,IMPUR1 ; NOT THERE, GO - PUSH TP,$TOBLS ; SAVE BUCKET - PUSH TP,E - - MOVE B,(E) ; GET NEXT ONE -IMPUR4: MOVEI 0,(B) - CAIGE 0,HIBOT ; SKIP IF PURE - JRST IMPUR3 ; FOUND IMPURE NESS, SKIP IT - HLLZ C,(B) ; SET UP ICONS CALL - HRRZ E,(B) - MOVE D,1(B) - PUSHJ P,ICONS ; CONS IT UP - HRRZ E,(TP) ; RETRV PREV - HRRM B,(E) ; AND CLOBBER -IMPUR3: MOVSI 0,TLIST - MOVEM 0,-1(TP) ; FIX TYPE - HRRZM B,(TP) ; STORE GOODIE - HRRZ B,(B) ; CDR IT - JUMPN B,IMPUR4 ; LOOP - SUB TP,[2,,2] ; FLUSH TP CRUFT - -; 2) GENERATE A DUPLICATE ATOM - -IMPUR1: HLRE A,(TP) ; GET LNTH OF ATOM - MOVNS A - PUSH P,A - PUSHJ P,IBLOCK ; GET NEW BLOCK FOR ATOM - PUSH TP,$TATOM - PUSH TP,B - HRL B,-2(TP) ; SETUP BLT - POP P,A - ADDI A,(B) ; END OF BLT - BLT B,(A) ; CLOBBER NEW ATOM - MOVSI B,.VECT. ; TURN ON BIT FOR GCHACK - IORM B,(A) - -; 3) NOW COPY GLOBAL VALUE - - MOVE B,(TP) ; ATOM BACK - GETYP 0,(B) - SKIPE A,1(B) ; NON-ZER POINTER? - CAIN 0,TUNBOU ; BOUND? - JRST IMPUR5 ; NO, DONT COPY GLOB VAL - PUSH TP,$TATOM - PUSH TP,B - PUSH TP,(A) - PUSH TP,1(A) - SETZM (B) - SETZM 1(B) - MCALL 2,SETG -IMPUR5: PUSH TP,$TFIX ;SAVE OLD ATOM WITH FUNNY TYPE TO AVOID LOSSAGE - PUSH TP,-3(TP) - -; 4) UPDATE ALL POINTERS TO THIS ATOM - - MOVE A,[PUSHJ P,ATFIX] ; INS TO PASS TO GCHACK - PUSHJ P,GCHACK - SUB TP,[4,,4] - -RTNATM: POP TP,B - POP TP,A - POPJ P, - -; ROUTINE PASSED TO GCHACK - -ATFIX: CAIE C,TGATOM ; GLOBAL TYPE ATOM - CAIN C,TATOM - CAME D,(TP) ; SKIP IF WINNER - POPJ P, - MOVE D,-2(TP) - SKIPE B - MOVEM D,1(B) - POPJ P, - - -END - -TITLE PROCESS-HACKER FOR MUDDLE - -RELOCATABLE - -.INSRT MUDDLE > - -.GLOBAL ICR,NAPT,IGVAL,CHKARG,RESFUN,RETPROC,SWAP,MAINPR,PROCHK,NOTRES -.GLOBAL PSTAT,LSTRES,TOPLEV,MAINPR,1STEPR,INCONS -.GLOBAL TBINIT,APLQ - -MFUNCTION PROCESS,SUBR - - ENTRY 1 - GETYP A,(AB) ;GET TYPE OF ARG - ;MUST BE SOME APPLIABLE TYPE - PUSHJ P,APLQ - JRST NAPT ;NO, ERROR - NON-APPLIABLE TYPE -OKFUN: - - PUSHJ P,ICR ;CREATE A NEW PROCESS - MOVE C,TPSTO+1(B) ;GET ITS SRTACK - PUSH C,[TENTRY,,TOPLEV] - PUSH C,[1,,0] ;TIME - PUSH C,[0] - PUSH C,SPSTO+1(B) - PUSH C,PSTO+1(B) - MOVE D,C - ADD D,[3,,3] - PUSH C,D ;SAVED STACK POINTER - PUSH C,[SUICID] - MOVEM C,TPSTO+1(B) ;STORE NEW TP - HRRI D,1(C) ;MAKE A TB - HRLI D,2 ;WITH A TIME - MOVEM D,TBINIT+1(B) - MOVEM D,TBSTO+1(B) ;SAVE ALSO FOR SIMULATED START - MOVE C,(AB) ;STORE ARG - MOVEM C,RESFUN(B) ;INTO PV - MOVE C,1(AB) - MOVEM C,RESFUN+1(B) - MOVEI 0,RUNABL - MOVEM 0,PSTAT+1(B) - JRST FINIS - -REPEAT 0,[ -MFUNCTION RETPROC,SUBR -; WHO KNOWS WHAT THIS SHOULD REALLY DO -;PROBABLY, JUST AN EXIT -;FOR NOW, PRINT OUT AN ERROR MESSAGE - PUSH TP,$TATOM - PUSH TP,EQUOTE ATTEMPT-TO-RETURN-OUT-OF-PROCESS - JRST CALER1 - - - - - - - -MFUNCTION RESUME,FSUBR -;RESUME IS CALLED WITH TWO ARGS -;THE FIRST IS A PROCESS FORM OF THE PROCESS TO BE RESUMED -;THE SECOND IS A FUNCTION TO BE CALLED WHEN THIS PROCESS -; (THE PARENT) IS ITSELF RESUMED -;IF THE FUNCTION IS NOT GIVEN SOME STANDARD FUNCTION IS -;PLUGGED IN -; -; NOTE - TYPE AND NUMBER OF ARGS CHECKS MUST BE ADDED TO BOTH RESUME AND CREATE - - ENTRY 1 - HRRZ C,@1(AB) ;GET CDR ADDRESS - JUMPE C,NOFUN ;IF NO SECOND ARG, SUPPLY STANDARD - HLLZ A,(C) ;GET CDR TYPE - CAME A,$TATOM ;ATOMIC? - JRST RES2 ;NO, MUST EVAL TO GET FUNCTION - MOVE B,1(C) ;YES - PUSHJ P,IGVAL ;TRY TO GET GLOBAL VALUE - CAMN A,$TUNBOUND ;GLOBALLY UNBOUND? - JRST LFUN ;YES, TRY FOR LOCAL VALUE -RES1: MOVEM A,RESFUN(PVP) ;STORE IN THIS PROCESS - MOVEM B,RESFUN+1(PVP) - - HRRZ C,1(AB) ;GET CAR ADDRESS - PUSH TP,(C) ;PUSH PROCESS FORM - PUSH TP,1(C) - JSP E,CHKARG ;CHECK FOR DEFERED TYPE - ;INSERT CHECKS FOR PROCESS FORM - MCALL 1,EVAL ;EVAL PROCESS FORM WHICH WILL SWITCH - ; PROCESSES - JRST FINIS - -RES2: PUSH TP,(C) ;PUSH FUNCTION ARG - PUSH TP,1(C) - JSP E,CHKARG ;CHECK FOR DEFERED - MCALL 1,EVAL ;EVAL TO GET FUNCTION - JRST RES1 - -LFUN: HRRZ C,1(AB) ;GET CDR ADDRESS - PUSH TP,(C) - PUSH TP,1(C) - MCALL 1,VALUE ;GET LOCAL VALUE OF ATOM FOR FUNCTION - JRST RES1 - -NOFUN: MOVSI A,TUNBOUND ;MAKE RESUME FUNCTION UNBOUND - JRST RES1 -] - -; PROCHK - SETUP LAST RESUMER SLOT - -PROCHK: CAME B,MAINPR ; MAIN PROCESS? - MOVEM PVP,LSTRES+1(B) - POPJ P, - -; THIS FUNCTION RESUMES A PROCESS, CALLED WITH ONE OR TWO ARGS -; THE FIRST IS A VALUE TO RETURN TO THE OTHER PROCESS OR PASS TO ITS -; RESFUN -; THE SECOND IS THE PROCESS TO RESUME (IF NOT SUPPLIED, USE THE LSTRES) - - -MFUNCTION RESUME,SUBR - - ENTRY - JUMPGE AB,TFA - CAMGE AB,[-4,,0] - JRST TMA - CAMGE AB,[-2,,0] - JRST CHPROC ; VALIDITY CHECK ON PROC - SKIPN B,LSTRES+1(PVP) ; ANY RESUMERS? - JRST NORES ; NO, COMPLAIN -GOTPRO: MOVE C,AB - CAMN B,PVP ; DO THEY DIFFER? - JRST RETARG - MOVE A,PSTAT+1(B) ; CHECK STATE - CAIE A,RUNABL ; MUST BE RUNABL - CAIN A,RESMBL ; OR RESUMABLE - JRST RESUM1 -NOTRES: -NOTRUN: PUSH TP,$TATOM - PUSH TP,EQUOTE PROCESS-NOT-RUNABLE-OR-RESUMABLE - JRST CALER1 - -RESUM1: PUSHJ P,PROCHK ; FIX LISTS UP - MOVEI A,RESMBL ; GET NEW STATE - MOVE D,B ; FOR SWAP -STRTN: JSP C,SWAP ; SWAP THEM - MOVEM A,PSTAT+1(E) ; CLOBBER OTHER STATE - MOVE A,PSTAT+1(PVP) ; DECIDE HOW TO PROCEED - MOVEI 0,RUNING - MOVEM 0,PSTAT+1(PVP) ; NEW STATE - MOVE C,ABSTO+1(E) ; OLD ARGS - CAIE A,RESMBL - JRST DORUN ; THEY DO RUN RUN, THEY DO RUN RUN -RETARG: MOVE A,(C) - MOVE B,1(C) ; RETURN - JRST FINIS - -DORUN: PUSH TP,RESFUN(PVP) - PUSH TP,RESFUN+1(PVP) - PUSH TP,(C) - PUSH TP,1(C) - MCALL 2,APPLY - PUSH TP,A ; CALL SUICIDE WITH THESE ARGS - PUSH TP,B - MCALL 1,SUICID ; IF IT RETURNS, KILL IT - JRST FINIS - -CHPROC: GETYP A,2(AB) - CAIE A,TPVP - JRST WTYP2 - MOVE B,3(AB) - JRST GOTPRO - -NORES: PUSH TP,$TATOM - PUSH TP,EQUOTE NO-PROCESS-TO-RESUME - JRST CALER1 - -; FUNCTION TO CAUSE PROCESSES TO SELF DESTRUCT - -MFUNCTION SUICIDE,SUBR - - ENTRY - - JUMPGE AB,TFA - HLRE A,AB - ASH A,-1 ; DIV BY 2 - AOJE A,NOPROC ; NO PROCESS GIVEN - AOJL A,TMA - GETYP A,2(AB) ; MAKE SURE OF PROCESS - CAIE A,TPVP - JRST WTYP2 - MOVE C,3(AB) - JRST SUIC2 - -NOPROC: SKIPN C,LSTRES+1(PVP) ; MAKE SURE OF EDLIST - MOVE C,MAINPR ; IF NOT DEFAULT TO MAIN -SUIC2: CAMN C,PVP ; DONT SUICIDE TO SELF - JRST SUSELF - MOVE B,PSTAT+1(C) - CAIE B,RUNABL - CAIN B,RESMBL - JRST .+2 - JRST NOTRUN - MOVE B,C - PUSHJ P,PROCHK - MOVE D,B ; RESTORE NEWPROCESS - MOVEI A,DEAD - JRST STRTN - -SUSELF: PUSH TP,$TATOM - PUSH TP,EQUOTE ATTEMPT-TO-SUICIDE-TO-SELF - JRST CALER1 - - -MFUNCTION RESER,SUBR,RESUMER - - ENTRY - MOVE B,PVP - JUMPGE AB,GTLAST - CAMGE AB,[-2,,0] - JRST TMA - - GETYP A,(AB) ; CHECK FOR PROCESS - CAIE A,TPVP - JRST WTYP1 - MOVE B,1(AB) ; GET PROCESS -GTLAST: MOVSI A,TFALSE ; ASSUME NONE - SKIPN B,LSTRES+1(B) ; GET IT IF IT EXISTS - JRST FINIS - MOVSI A,TPVP ; GET TYPE - JRST FINIS - -; FUNCTION TO PUT AN EVAL CALL ON ANOTHER PROCESSES STACK - -MFUNCTION BREAKSEQ,SUBR,BREAK-SEQ - - ENTRY 2 - - GETYP A,2(AB) ; 2D ARG MUST BE PROCESS - CAIE A,TPVP - JRST WTYP2 - - MOVE B,3(AB) ; GET PROCESS - CAMN B,PVP ; SKIP IF NOT ME - JRST BREAKM - MOVE A,PSTAT+1(B) ; CHECK STATE - CAIE A,RESMBL ; BEST BE RESUMEABLE - JRST NOTRUN - MOVE C,TBSTO+1(B) ; GET SAVE ACS TO BUILD UP A DUMMY FRAME - MOVE D,TPSTO+1(B) ; STACK POINTER - MOVE E,SPSTO+1(B) ; FIX UP OLD FRAME - MOVEM E,SPSAV(C) - MOVEI E,CALLEV ; FUNNY PC - MOVEM E,PCSAV(C) - MOVE E,PSTO+1(B) ; SET UP P,PP AND TP SAVES - MOVEM E,PSAV(C) - PUSH D,[0] ; ALLOCATES SOME SLOTS - PUSH D,[0] - PUSH D,(AB) ; NOW THAT WHIC IS TO BE EVALLED - PUSH D,1(AB) - MOVEM D,TPSAV(C) - HRRI E,-1(D) ; BUILD UP ARG POINTER - HRLI E,-2 - PUSH D,[TENTRY,,BREAKE] - PUSH D,C ; OLD TB - PUSH D,E ; NEW ARG POINTER -REPEAT 4,PUSH D,[0] ; OTHER SLOTS - MOVEM D,TPSTO+1(B) - MOVEI C,(D) ; BUILD NEW AB - AOBJN C,.+1 - MOVEM C,TBSTO+1(B) ; STORE IT - MOVE A,2(AB) ; RETURN PROCESS - MOVE B,3(AB) - JRST FINIS - -MQUOTE BREAKER - -BREAKE: -CALLEV: MOVEM A,-3(TP) ; HERE TO EVAL THE GOODIE (SAVE REAL RESULT) - MOVEM B,-2(TP) - MCALL 1,EVAL - POP TP,B - POP TP,A - JRST FINIS - -BREAKM: PUSH TP,$TATOM - PUSH TP,EQUOTE ATTEMPT-TO-BREAK-OWN-SEQUENCE - JRST CALER1 - -; FUNCTION TOP PUT PROCESS IN 1 STEP MODE - -MFUNCTION 1STEP,SUBR - PUSHJ P,1PROC - MOVEM PVP,1STEPR+1(B) ; CLOBBER TARGET PROCESS - JRST FINIS - -; FUNCTION TO UNDO ABOVE - -MFUNCTION %%FREE,SUBR,FREE-RUN - PUSHJ P,1PROC - CAME PVP,1STEPR+1(B) - JRST FNDBND - SETZM 1STEPR+1(B) - JRST FINIS - -FNDBND: SKIPE 1STEPR+1(B) ; DOES IT HAVE ANY 1STEPPER? - JRST NOTMIN ; YES, COMPLAIN - MOVE D,B ; COPY PROCESS - ADD D,[1STEPR,,1STEPR] ; POINTER FOR SEARCH - HRRZ C,SPSTO+1(B) ; GET THIS BINDING STACK - -FNDLP: GETYP 0,(C) ; IS THIS A TBVL? - CAIN 0,TBVL - CAME D,1(C) ; SKIP IF THIS IS SAVED 1STEP SLOT - JRST FNDNXT - SKIPN 3(C) ; IS IT SAVING A REAL 1STEPPER? - JRST FNDNXT - CAME PVP,3(C) ; IS IT ME? - JRST NOTMIN - SETZM 3(C) ; CLEAR OUT SAVED 1STEPPER - JRST FINIS -FNDNXT: HRRZ C,(C) ; NEXT BINDING - JUMPN C,FNDLP - -NOTMIN: MOVE C,$TCHSTR - MOVE D,CHQUOTE NOT-YOUR-1STEPEE - PUSHJ P,INCONS - MOVSI A,TFALSE - JRST FINIS - -1PROC: ENTRY 1 - GETYP A,(AB) - CAIE A,TPVP - JRST WTYP1 - MOVE B,1(AB) - MOVE A,(AB) - POPJ P, - -; FUNCTION TO RETRUN THE MAIN PROCESS - -MFUNCTION MAIN%%,SUBR,MAIN - ENTRY 0 - - MOVE B,MAINPR -MAIN1: MOVSI A,TPVP - JRST FINIS - -; FUNCTION TO RETURN THE CURRENT PROCESS - -MFUNCTION ME,SUBR - ENTRY 0 - - MOVE B,PVP - JRST MAIN1 - -; FUNCTION TO RETURN THE STATE OF A PROCESS - -MFUNCTION STATE,SUBR - ENTRY 1 - GETYP A,(AB) - CAIE A,TPVP - JRST WTYP1 - MOVE A,1(AB) ; GET PROCESS - MOVE A,PSTAT+1(A) - MOVE B,@STATES(A) ; GET STATE - MOVSI A,TATOM - JRST FINIS - -STATES: - IRP A,,[ILLEGAL,RUNABLE,RESUMABLE,RUNNING,DEAD,BLOCKED] - MQUOTE A - TERMIN - - - -END - -TITLE DECLARATION PROCESSOR - -RELOCA - -.INSRT MUDDLE > - -.GLOBAL STBL,TYPFND,TYPSGR,CHKDCL,TESTR,VALG,INCR1,TYPG,ISTRUC,TMATCH,SAT -.GLOBAL TYPMIS,CHKAB,CHKARG,IGDECL,LOCQQ,APLQ,CALER,IEQUAL,IIGLOC,IGLOC -.GLOBAL CHLOCI,INCONS,SPCCHK,WTYP1 - -; Subr to allow user to access the DECL checking code - -MFUNCTION CHECKD,SUBR,[DECL?] - - ENTRY 2 - - MOVE C,(AB) - MOVE D,1(AB) - MOVE A,2(AB) - MOVE B,3(AB) - PUSHJ P,TMATCX ; CHECK THEM - JRST IFALS - -RETT: MOVSI A,TATOM - MOVE B,MQUOTE T - JRST FINIS - -RETF: -IFALS: MOVEI B,0 - MOVSI A,TFALSE - JRST FINIS - -; Subr to turn DECL checking on and off. - -MFUNCTION %DECL,SUBR,[DECL-CHECK] - - ENTRY 1 - - GETYP 0,(AB) - SETZM IGDECL - CAIN 0,TFALSE - SETOM IGDECL - MOVE A,(AB) - MOVE B,1(AB) - JRST FINIS - -; Change special unspecial normal mode - -MFUNCTION SPECM%,SUBR,[SPECIAL-MODE] - - ENTRY - - CAMGE AB,[-3,,] - JRST TMA - MOVE C,SPCCHK ; GET CURRENT - JUMPGE AB,MODER ; RET CURRENT - GETYP 0,(AB) ; CHECK IT IS ATOM - CAIE 0,TATOM - JRST WTYP1 - MOVE 0,1(AB) - MOVEI A,1 - CAMN 0,MQUOTE UNSPECIAL - MOVSI A,(SETZ) - CAMN 0,MQUOTE SPECIAL - MOVEI A,0 - JUMPG A,WTYP1 - HLLM A,SPCCHK - -MODER: MOVSI A,TATOM - MOVE B,MQUOTE SPECIAL - SKIPGE C - MOVE B,MQUOTE UNSPECIAL - JRST FINIS - -; Function to turn special checking on and of - -MFUNCTION SPECC%,SUBR,[SPECIAL-CHECK] - - ENTRY - CAMGE AB,[-3,,] - JRST TMA - - MOVE C,SPCCHK - JUMPGE AB,SCHEK1 - - MOVEI A,0 - GETYP 0,(AB) - CAIE 0,TFALSE - MOVEI A,1 - HRRM A,SPCCHK - -SCHEK1: TRNN C,1 - JRST IFALS - JRST RETT - -; Finction to set decls for GLOBAL values. - -MFUNCTION GDECL,FSUBR - - ENTRY 1 - - GETYP 0,(AB) - CAIE 0,TLIST - JRST WTYP1 - - PUSH TP,$TLIST - PUSH TP,1(AB) - PUSH TP,$TLIST - PUSH TP,[0] - PUSH TP,$TLIST - PUSH TP,[0] - -GDECL1: INTGO - SKIPN C,1(TB) - JRST RETT - HRRZ D,(C) ; MAKE SURE PAIRS - JUMPE D,GDECLL ; LOSER, GO AWAY - GETYP 0,(C) - CAIE 0,TLIST - JRST GDECLL - HRRZ 0,(D) - MOVEM 0,1(TB) ; READY FOR NEXT CALL - MOVE C,1(C) ; SAVE ATOM LIST - MOVEM C,5(TB) - MOVEM D,3(TB) - -GDECL2: INTGO - SKIPN C,5(TB) - JRST GDECL1 ; OUT OF ATOMS - GETYP 0,(C) ; IS THIS AN ATOM - CAIE 0,TATOM - JRST GDECLL ; NO, LOSE - MOVE B,1(C) - HRRZ C,(C) - MOVEM C,5(TB) - PUSHJ P,IIGLOC ; GET ITS VAL (OR MAKE ONE) - GETYP 0,(B) ; UNBOUND? - CAIE 0,TUNBOU - JRST CHKCUR ; CHECK CURRENT VALUE - MOVE C,3(TB) ; GET DECL - HRRM C,-2(B) - JRST GDECL2 - -CHKCUR: HRRZ D,3(TB) - GETYP A,(D) - MOVSI A,(A) - MOVE E,B - MOVE B,1(D) - MOVE C,(E) - MOVE D,1(E) - PUSH TP,$TVEC - PUSH TP,E - JSP E,CHKAB - PUSHJ P,TMATCH - JRST TYPMI3 - MOVE E,(TP) - SUB TP,[2,,2] - MOVE D,3(TB) - HRRM D,-2(E) - JRST GDECL2 - -TYPMI3: MOVE E,(TP) ; POINT BACK TO SLOT - MOVE A,-1(E) ; ATOM TO A - MOVE B,1(E) - MOVE D,(E) ; GET OLD VALUE - MOVE C,3(TB) - JRST TYPMIS ; GO COMPLAIN - -GDECLL: PUSH TP,$TATOM - PUSH TP,EQUOTE BAD-ARGUMENT-LIST - JRST CALER1 - -MFUNCTION UNMANIFEST,SUBR - - ENTRY - - PUSH P,[HLLZS -2(B)] - JRST MANLP - -MFUNCTION MANIFEST,SUBR - - ENTRY - - PUSH P,[HLLOS -2(B)] -MANLP: JUMPGE AB,RETT - GETYP 0,(AB) - CAIE 0,TATOM - JRST WTYP - MOVE B,1(AB) - PUSHJ P,IIGLOC - XCT (P) - ADD AB,[2,,2] - JRST MANLP - -MFUNCTION MANIFQ,SUBR,[MANIFEST?] - - ENTRY 1 - - GETYP 0,(AB) - CAIE 0,TATOM - JRST WTYP1 - - MOVE B,1(AB) - PUSHJ P,IGLOC ; GET POINTER IF ANY - GETYP 0,A - CAIN 0,TUNBOU - JRST RETF - HRRZ 0,-2(B) - CAIE 0,-1 - JRST RETF - JRST RETT - -MFUNCTION GETDECL,SUBR,[GET-DECL] - - ENTRY 1 - - PUSHJ P,GTLOC - JRST GTLOCA - - HRRZ C,-2(B) ; GET GLOBAL DECL -GETD1: JUMPE C,RETF - CAIN C,-1 - JRST RETMAN - GETYP A,(C) - MOVSI A,(A) - MOVE B,1(C) - JSP E,CHKAB - JRST FINIS - -RETMAN: MOVSI A,TATOM - MOVE B,MQUOTE MANIFEST - JRST FINIS - -GTLOCA: HLRZ C,2(B) ; LOCAL DECL - JRST GETD1 - -MFUNCTION PUTDECL,SUBR,[PUT-DECL] - - ENTRY 2 - - PUSHJ P,GTLOC - SKIPA E,[HRLM B,2(C)] - MOVE E,[HRRM B,-2(C)] - PUSH P,E - GETYP 0,(B) ; ANY VALUE - CAIN 0,TUNBOU - JRST PUTD1 - MOVE C,(B) ; GET CURRENT VALUE - MOVE D,1(B) - MOVE A,2(AB) - MOVE B,3(AB) - PUSHJ P,TMATCH - JRST TYPMI4 -PUTD1: MOVE C,2(AB) ; GET DECL BACK - MOVE D,3(AB) - PUSHJ P,INCONS ; CONS IT UP - MOVE C,1(AB) ; LOCATIVE BACK - XCT (P) ; CLOBBER - MOVE A,(AB) - MOVE B,1(AB) - JRST FINIS - -TYPMI4: MOVE E,1(AB) ; GET LOCATIVE - MOVE A,-1(E) ; NOW ATOM - MOVEI C,2(AB) ; POINT TO DECL - MOVE D,(E) ; AND CURRENT VAL - MOVE B,1(E) - JRST TYPMIS - -GTLOC: GETYP 0,(AB) - CAIE 0,TLOCD - JRST WTYP1 - MOVEI B,(AB) - PUSHJ P,CHLOCI - HRRZ 0,(AB) ; LOCAL OR GLOBAL - SKIPN 0 - AOS (P) - MOVE B,1(AB) ; RETURN LOCATIVE IN B - POPJ P, - -; Interface between EVAL and declaration processor. -; E points into stack at a binding and C points to decl list. - -CHKDCL: SKIPE IGDECL ; IGNORING DECLS? - POPJ P, ; YUP, JUST LEAVE - - PUSH TP,$TTP ; SAVE BINDING - PUSH TP,E - MOVE A,-4(E) ; GET ATOM - MOVSI 0,TLIST ; SETUP FOR INTERRUPTABLE - MOVEM 0,CSTO(PVP) - MOVEM 0,BSTO(PVP) - MOVSI 0,TATOM - MOVEM 0,ASTO(PVP) - SETZB B,0 ; CLOBBER FOR INTGO - -DCL2: INTGO - HRRZ D,(C) ; MAKE SURE EVEN ELEMENTS - JUMPE D,BADCL - GETYP B,(C) ; MUST BE LIST OF ATOMS - CAIE B,TLIST - JRST BADCL - MOVE B,1(C) ; GET LIST - -DCL1: INTGO - CAMN A,1(B) ; SKIP IF NOT WINNER - JRST DCLQ ; MAY BE WINNER -DCL3: HRRZ B,(B) ; CDR ON - JUMPN B,DCL1 ; JUMP IF MORE - - HRRZ C,(D) ; CDR MAIN LIST - JUMPN C,DCL2 ; AND JUMP IF WINNING - - PUSHJ P,E.GET ; GET BINDING BACK - SUB TP,[2,,2] ; POP OF JUNK - POPJ P, - -DCLQ: GETYP C,(B) ; CHECK ATOMIC - CAIE C,TATOM - JRST BADCL ; LOSER - PUSHJ P,E.GET ; GOT IT - PUSH TP,$TLIST ; SAVE PATTERN - PUSH TP,D - MOVE B,1(D) ; GET PATTERN - HLLZ A,(D) - MOVE C,-3(E) ; PROPOSED VALUE - MOVE D,-2(E) - PUSHJ P,TMATCH ; MATCH TYPE - JRST TYPMI1 ; LOSER -DCLQ1: MOVE E,-2(TP) - MOVE C,-5(E) ; CHECK FOR SPEC CHANGE - SKIPE 0 ; MAKE SURE NON ZERO IS -1 - MOVNI 0,1 - SKIPL SPCCHK ; SKIP IF NORMAL UNSPECIAL - SETCM 0 ; COMPLEMENT - ANDI 0,1 ; ONE BIT - CAMN C,[TATOM,,-1] - JRST .+3 - CAME C,[TATOM,,-2] - JRST .+3 - ANDCMI C,1 - IOR C,0 ; MUNG BIT - MOVEM C,-5(E) - HRRZ C,(TP) - SUB TP,[4,,4] - MOVEM C,(E) ; STORE DECLS - MOVSI C,TLIST - MOVEM C,-1(E) - POPJ P, - -TYPMI1: MOVE E,-2(TP) - GETYP C,-3(E) - CAIN C,TUNBOU - JRST DCLQ1 - MOVE E,-2(TP) ; GET POINTER TO BIND - MOVE D,-3(E) ; GET VAL - MOVE B,-2(E) - HRRZ C,(TP) ; DCL LIST - MOVE A,-4(E) ; GET ATOM - SUB TP,[4,,4] -TYPMIS: PUSH TP,$TATOM - PUSH TP,EQUOTE TYPE-MISMATCH - PUSH TP,$TATOM - PUSH TP,A - PUSH TP,(C) - HLLZS (TP) - PUSH TP,1(C) - JSP E,CHKARG ; HACK DEFER - PUSH TP,D - PUSH TP,B - MOVEI A,4 ; 3 ERROR ARGS - JRST CALER - -BADCL: PUSHJ P,E.GET - PUSH TP,$TATOM - PUSH TP,EQUOTE BAD-DECLARATION-LIST - JRST CALER1 - -; ROUTINE TO RESSET INT STUFF - -E.GET: MOVE E,(TP) - SETZM ASTO(PVP) - SETZM BSTO(PVP) - SETZM CSTO(PVP) - POPJ P, - -; Declarations processor for MUDDLE type declarations. -; Receives a pattern in a and B and an object in C and D. -; It skip returns if the object fits otherwise it doesn't. -; Declaration syntax errors are caught and sent to ERROR. - -TMATCH: MOVEI 0,1 ; RET SPECIAL INDICATOR - SKIPE IGDECL ; IGNORING DECLS? - JRST CPOPJ1 ; YUP, ACT LIKE THEY WON - -TMATCX: GETYP 0,A ; GET PATTERNS TYPE - CAIN 0,TFORM ; MUST BE FORM OR ATOM - JRST TMAT1 - CAIE 0,TATOM - JRST TERR1 ; WRONG TYPE FOR A DCL - -; SIMPLE TYPE MATCHER - -TYPMAT: GETYP E,C ; OBJECTS TYPE TO E - PUSH P,E ; SAVE IT - PUSHJ P,TYPFND ; CONVERT TYPE NAME TO CODE - JRST SPECS ; NOT A TYPE NAME, TRY SPECIALS - POP P,E ; RESTORE TYPE OF OBJECT - MOVEI 0,0 ; SPECIAL INDICATOR - CAIN E,(D) ; SKIP IF LOSERS -CPOPJ1: AOS (P) ; GOOD RETURN -CPOPJ: POPJ P, - -SPECS: POP P,A ; RESTORE OBJECTS TYPE - CAMN B,MQUOTE ANY - JRST CPOPJ1 ; RETURN IMMEDIATELY IF ANYTHING WINS - CAMN B,MQUOTE STRUCTURED - JRST ISTRUC ; LET ISTRUC DO THE WORK - CAMN B,MQUOTE APPLICABLE - JRST APLQ - CAME B,MQUOTE LOCATIVE - JRST TERR2 - JRST LOCQQ - -; ARRIVE HERE FOR A FORM IN THE DCLS - -TMAT1: JUMPE B,TERR3 ; EMPTY FORM LOSES - HRRZ E,(B) ; CDR IT - JUMPE E,TMAT3 ; CANT BE SPECIAL/UNSPECIAL, LEAVE - PUSHJ P,0ATGET ; GET POSSIBLE ATOM IN 0 - JRST TEXP1 ; NOT ATOM - CAME 0,MQUOTE SPECIAL - CAMN 0,MQUOTE UNSPECIAL - JRST TMAT2 ; IGNORE SPECIAL/UNSPECIAL -TMAT3: PUSHJ P,TEXP1 - JRST .+2 - AOS (P) - MOVEI 0,0 ; RET UNSPECIAL INDICATION - POPJ P, - -TEXP1: JUMPE B,TERR3 ; EMPTY FORM - GETYP 0,A ; CHECK CURRENT TYPE - CAIN 0,TATOM ; IF ATOM, - JRST TYPMA1 ; SIMPLE MATCH - CAIE 0,TFORM - JRST TERR4 - GETYP 0,(B) ; WHAT IS FIRST ELEMEMT - CAIE 0,TFORM ; FORM=> <....> OR <....> - JRST 0,TEXP12 - PUSH TP,$TLIST ; SAVE LIST - PUSH TP,B - MOVE B,1(B) ; GET FORM - PUSH TP,C - PUSH TP,D - PUSHJ P,ACTRT1 - TDZA 0,0 ; REMEMBER LACK OF SKIP - MOVEI 0,1 - POP TP,D - POP TP,C - MOVE B,(TP) ; GET BACK SAVED LIST - SUB TP,[2,,2] - JUMPE 0,CPOPJ ; LOSERS EXIT IMMEDIATELY - HRRZ B,(B) ; OTHERWISE REST THE LIST AND FALL INTO ELETYPE - -; CHECKS TYPES OF ELEMENTS OF STRUCTURES - -ELETYP: JUMPE B,CPOPJ1 ; EMPTY=> WON - PUSH TP,$TLIST ; SAVE DCL LIST - PUSH TP,B - MOVE A,C ; GET OBJ IN A AND B - MOVE B,D - PUSHJ P,TYPSGR ; GET REST/NTH CODE - JRST ELETYL ; LOSER - PUSH TP,DSTO(PVP) - PUSH TP,D - PUSH P,C ; SAVE CODE - PUSH TP,[0] ; AND SLOTS - PUSH TP,[0] - -; MAIN ELEMENT SCANNING LOOP - -ELETY1: XCT TESTR(C) ; SKIP IF OBJ NOT EMPTY - JRST ELETY2 ; CHEK EMPTY WINNER - XCT TYPG(C) ; GET ELEMENT - XCT VALG(C) - JSP E,CHKAB ; CHECK OUT DEFER - MOVEM A,-1(TP) ; AND SAVE IT - MOVEM B,(TP) - MOVE C,A - MOVE D,B ; FOR OTHER MATCHERS - MOVE B,-4(TP) ; GET PATTERN - MOVE A,(B) - GETYP 0,(B) ; GET TYPE OF <1 pattern> - MOVE B,1(B) ; GET ATOM OR WHATEVER - CAIE 0,TATOM ; ATOM ... SIMPLE TYPE - JRST ELETY3 - PUSHJ P,TYPMAT ; DO SIMPLE TYPE MATCH - JRST ELETY4 ; LOSER - -; HERE TO REST EVERYTHING AND GO ON BACK - -ELETY6: MOVE D,-2(TP) ; GET OBJ POINTER - MOVE C,(P) ; GET INCREMENT CODE - XCT INCR1(C) - MOVEM D,-2(TP) ; SAVED INCREMENTED GOODIR - MOVE 0,DSTO(PVP) - MOVEM 0,-3(TP) - -ELETY9: HRRZ B,@-4(TP) ; CDR IT - MOVEM B,-4(TP) - JUMPN B,ELETY1 - -; HERE IF PATTERN EMPTY - -ELETY8: AOS -1(P) ; SKIP RETURN -ELETY4: SETZM DSTO(PVP) - SUB P,[1,,1] - SUB TP,[6,,6] - POPJ P, - -ELETYL: SUB TP,[2,,2] - POPJ P, - -; HERE TO HANDLE EMPTY OBJECT - -ELETY2: MOVE B,-4(TP) ; GET PATTERN - GETYP 0,(B) ; CHECK FOR [REST ...] - SETZM DSTO(PVP) - CAIE 0,TVEC - JRST ELETY4 ; LOSER - HLRZ 0,1(B) ; SIZE OF IT - CAILE 0,-4 ; MUST BE 2 - JRST ELETY4 - MOVE B,1(B) ; GET IT - PUSHJ P,0ATGET ; LOOK FOR REST - JRST ELETY4 - CAMN 0,MQUOTE REST - JRST ELETY8 ; WINNER!!!! - JRST ELETY4 ; LOSER - -; HERE TO CHECK OUT A FORM ELEMNT - -ELETY3: CAIE 0,TFORM - JRST ELETY7 - SETZM DSTO(PVP) - PUSHJ P,TEXP1 ; AND ANALYSE IT - JRST ELETY4 ; LOSER - MOVE 0,-3(TP) ; RESET DSTO - MOVEM 0,DSTO(PVP) - JRST ELETY6 ; WINNER - -; CHECK FOR VECTOR IN PATTERN - -ELETY7: CAIE 0,TVEC ; SKIP IF WINNER - JRST TERR12 ; YET ANOTHER ERROR - HLRE C,B ; CHECK LEENGTH - CAMLE C,[-4] ; MUST BE 2 LONG - JRST TERR13 - PUSHJ P,0ATGET ; 1ST ELEMENT ATOM? - JRST ELET71 ; COULD BE FORM - CAME 0,MQUOTE REST - JRST TERR14 - MOVNI 0,1 ; FLAG USED IN RESTIT - PUSHJ P,RESTIT ; CHECK REST OF STRUCTUR - JRST ELETY4 - JRST ELETY8 ; WIN AND DONE - -; CHECK FOR [fix .... ] - -ELET71: CAIE 0,TFIX - JRST TERR15 - MOVNS C - ASH C,-1 - MOVE 0,1(B) ; GET NUMBER - IMULI 0,-1(C) ; COUNT MORE - PUSHJ P,RESTIT ; AND CHECK FIX NUM OF ELEMENTS - JRST ELETY4 - MOVE D,-2(TP) ; GET OBJECT BACK - MOVE 0,-3(TP) ; RESET DSTO - MOVEM 0,DSTO(PVP) - MOVE C,(P) ; RESTORE CODE FOR RESTING ETC. - JRST ELETY9 - - -; HERE TO DO A TASTEFUL TYPMAT - -TYPMA1: PUSH TP,C - PUSH TP,D - PUSHJ P,TYPMAT - TDZA 0,0 ; REMEMBER LOSSAGE - MOVEI 0,1 ; OR WINNAGE - POP TP,D - POP TP,C ; RESTORE OBJECT - JUMPN 0,CPOPJ1 ; SKIPPED BEFORE, SKIP AGAIN - POPJ P, - -; HERE TO SKIP SPECIAL/UNSPECIAL - -TMAT2: CAME 0,MQUOTE SPECIAL - TDZA 0,0 - MOVEI 0,1 - PUSH P,0 ; SAVE INDICATOR - GETYP A,(E) ; TYPE OF NEW PAT - MOVE B,1(E) ; VALUE - MOVSI A,(A) - PUSHJ P,TEXP1 - JRST .+2 - AOS -1(P) - POP P,0 - POPJ P, - -; LOOK FOR SIMPLE TYPE - CAIN 0,TFORM ; FORM--> HAIRY PATTERN - MOVEI E,TEXP1 - PUSHJ P,(E) ; DO IT - JRST RESTI5 - JRST RESTI4 - -RESTI2: SKIPGE (P) ; SKIP IF WON - AOS -2(P) ; COUNTERACT CPOPJ1 - JRST RESTI5 - -RESTI3: TEXP1 - TYPMAT - -; HERE TO MATHC A QUOTED OBJ -; B/ FORM QUOTE... C,D/ OBJECT TO MATCH AGAINST - -MQUOT: HRRZ B,(B) ; LOOK AT NEXT - JUMPE B,TERR7 - GETYP A,(B) ; GET TYPE - MOVSI A,(A) - MOVE B,1(B) ; AND VALUE - JSP E,CHKAB ; HACK DEFER - PUSH TP,A - PUSH TP,B - PUSH TP,C - PUSH TP,D - MOVEI D,-3(TP) - MOVEI C,-1(TP) - PUSHJ P,IEQUAL - TDZA 0,0 - MOVEI 0,1 - JRST POPPIT - - -; GET ATOM IN AC 0 - -0ATGET: GETYP 0,(B) - CAIE 0,TATOM ; SKIP IF ATOM - POPJ P, - MOVE 0,1(B) ; GET ATOM - JRST CPOPJ1 - -TERR9: MOVS A,0 ; TYPE TO A -TERR4: -TERR5: -TERR15: -TERR1: MOVE E,EQUOTE DECL-ELEMENT-NOT-FORM-OR-ATOM - JRST TERRD - -TERR2: MOVSI A,TATOM - MOVE E,EQUOTE ATOM-NOT-TYPE-NAME-OR-SPECIAL-SYMBOL - JRST TERRD -TERR6: -TERR3: MOVE E,EQUOTE EMPTY-FORM-IN-DECL - JRST TERRD -TERR7: MOVE E,EQUOTE EMPTY-OR/PRIMTYPE-FORM - JRST TERRD - -TERR8: MOVS A,0 ; TYPE TO A - MOVE E,EQUOTE NON-TYPE-FOR-PRIMTYPE-ARG - JRST TERRD -TERR12: MOVE E,EQUOTE ELEMENT-TYPE-NOT-ATOM-FORM-OR-VECTOR - JRST TERRD -TERR13: MOVE E,EQUOTE VECTOR-LESS-THAN-2-ELEMENTS - JRST TERRD -TERR14: MOVE E,EQUOTE FIRST-VECTOR-ELEMENT-NOT-REST-OR-A-FIX - -TERRD: PUSH TP,$TATOM - PUSH TP,EQUOTE BAD-TYPE-SPECIFICATION - PUSH TP,$TATOM - PUSH TP,E - PUSH TP,A - PUSH TP,B - MOVEI A,3 - JRST CALER - -IMPURE - -IGDECL: 0 - -PURE - -END - TITLE EVAL -- MUDDLE EVALUATOR - -RELOCATABLE - -; GERALD JAY SUSSMAN, 1971. REWRITTEN MANY TIMES SINCE C. REEVE (1972--1974) - - -.GLOBAL BINDID,LPROG,GLOBSP,GLOBASE,SPBASE,TPBASE,PTIME,SWAP,CHFRAM -.GLOBAL IGVAL,CHKARG,NXTDCL,TPOVFL,CHFRM,PROCHK,CHFSWP,VECBOT,TYPSGR -.GLOBAL ILVAL,ER1ARG,SPECBIND,MAKACT,SPECSTORE,MAKTUP,TPALOC,IBIND,SSPECS -.GLOBAL IDVAL,EVECTO,EUVECT,CHARGS,BCKTRK,CELL,ILOC,IGLOC,CHKDCL,SSPEC1 -.GLOBAL PDLBUF,MESS,FACTI,CHKARG,MAKENV,PSTAT,BNDV,UNBOU,UNAS,IGDECL -.GLOBAL 1STEPR,SEGMNT,SEGLST,NAPT,EVTYPE,EVATYP,APTYPE,APLTYP,APLQ,IDVAL1 -.GLOBAL TESTR,VALG,TYPG,INCR1,TMATCH,TYPMIS,SAT,MAKACT,NTPALO,SPECBND -.GLOBAL TPGROW,CHKAB,TYPSEG,NXTLM,MONCH0,CHFINI,RMONC0,IMPURIFY,ICONS,INCONS -.GLOBAL CILVAL,CISET,CIGVAL,CSETG,MAPPLY,CLLOC,CGLOC,CASSQ,CGASSQ,CBOUND -.GLOBAL IIGLOC,CHUNW,IUNWIN,UNWIN2,SPCCHK,CURFCN,TMPLNT,TD.LNT,TBINIT -.GLOBAL SPECBE -.GLOBAL AGC,GVLINC,LVLINC,CGBOUN,IEVECT,MAKTU2 - -.INSRT MUDDLE > - -MONITOR - - -; ENTRY TO EXPAND A MACRO - -MFUNCTION EXPAND,SUBR - - ENTRY 1 - - MOVEI A,PVLNT*2+1(PVP) - HRLI A,TFRAME - MOVE B,TBINIT+1(PVP) - HLL B,OTBSAV(B) - PUSH TP,A - PUSH TP,B - MOVEI B,-1(TP) - JRST AEVAL2 - -; MAIN EVAL ENTRANCE - -MFUNCTION EVAL,SUBR - - ENTRY - - SKIPE C,1STEPR+1(PVP) ; BEING 1 STEPPED? - JRST 1STEPI ; YES HANDLE -EVALON: HLRZ A,AB ;GET NUMBER OF ARGS - CAIE A,-2 ;EXACTLY 1? - JRST AEVAL ;EVAL WITH AN ALIST -SEVAL: GETYP A,(AB) ;GET TYPE OF ARG - SKIPE C,EVATYP+1(TVP) ; USER TYPE TABLE? - JRST EVDISP -SEVAL1: CAIG A,NUMPRI ;PRIMITIVE? - JRST @EVTYPE(A) ;YES-DISPATCH - -SELF: MOVE A,(AB) ;TYPES WHICH EVALUATE - MOVE B,1(AB) - JRST EFINIS ;TO SELF-EG NUMBERS - -; HERE FOR USER EVAL DISPATCH - -EVDISP: ADDI C,(A) ; POINT TO SLOT - ADDI C,(A) - SKIPE (C) ; SKIP EITHER A LOSER OR JRST DISP - JRST EVDIS1 ; APPLY EVALUATOR - SKIPN C,1(C) ; GET ADDR OR GO TO PURE DISP - JRST SEVAL1 - JRST (C) - -EVDIS1: PUSH TP,(C) - PUSH TP,1(C) - PUSH TP,(AB) - PUSH TP,1(AB) - MCALL 2,APPLY ; APPLY HACKER TO OBJECT - JRST EFINIS - - -; EVAL DISPATCH TABLE - -DISTBL EVTYPE,SELF,[[TFORM,EVFORM],[TLIST,EVLIST],[TVEC,EVECT],[TUVEC,EUVEC] -[TSEG,ILLSEG]] - - -;WATCH FOR SUBTLE BUG 43 LERR,LPROG OR BINDID -AEVAL: - CAIE A,-4 ;EXACTLY 2 ARGS? - JRST WNA ;NO-ERROR - GETYP A,2(AB) ;CHECK THAT WE HAVE A FRAME - CAIE A,TACT - CAIN A,TFRAME - JRST .+3 - CAIE A,TENV - JRST TRYPRO ; COULD BE PROCESS - MOVEI B,2(AB) ; POINT TO FRAME -AEVAL2: PUSHJ P,CHENV ; HACK ENVIRONMENT CHANGE -AEVAL1: PUSH TP,(AB) - PUSH TP,1(AB) - MCALL 1,EVAL -AEVAL3: HRRZ 0,FSAV(TB) - CAIN 0,EVAL - JRST EFINIS - JRST FINIS - -TRYPRO: CAIE A,TPVP ; SKIP IF IT IS A PROCESS - JRST WTYP2 - MOVE C,3(AB) ; GET PROCESS - CAMN C,PVP ; DIFFERENT FROM ME? - JRST SEVAL ; NO, NORMAL EVAL WINS - MOVE B,SPSTO+1(C) ; GET SP FOR PROCESS - MOVE D,TBSTO+1(C) ; GET TOP FRAME - HLL D,OTBSAV(D) ; TIME IT - MOVEI C,PVLNT*2+1(C) ; CONS UP POINTER TO PROC DOPE WORD - HRLI C,TFRAME ; LOOK LIK E A FRAME - PUSHJ P,SWITSP ; SPLICE ENVIRONMENT - JRST AEVAL1 - -; ROUTINE TO CHANGE LOOK UP PATH FOR BINDINGS - -CHENV: PUSHJ P,CHFRM ; CHECK OUT FRAME - MOVE C,(B) ; POINT TO PROCESS - MOVE D,1(B) ; GET TB POINTER FROM FRAME - CAMN SP,SPSAV(D) ; CHANGE? - POPJ P, ; NO, JUST RET - MOVE B,SPSAV(D) ; GET SP OF INTEREST -SWITSP: MOVSI 0,TSKIP ; SET UP SKIP - HRRI 0,1(TP) ; POINT TO UNBIND PATH - MOVE A,PVP - ADD A,[BINDID,,BINDID] ; BIND THE BINDING ID - PUSH TP,BNDV - PUSH TP,A - PUSH TP,$TFIX - AOS A,PTIME ; NEW ID - PUSH TP,A - MOVE E,TP ; FOR SPECBIND - PUSH TP,0 - PUSH TP,B - PUSH TP,C ; SAVE PROCESS - PUSH TP,D - PUSHJ P,SPECBE ; BIND BINDID - MOVE SP,TP ; GET NEW SP - SUB SP,[3,,3] ; SET UP SP FORK - POPJ P, - - -; HERE TO EVALUATE A FORM (99% OF EVAL'S WORK) - -EVFORM: SKIPN C,1(AB) ; EMPTY FORM, RETURN FALSE - JRST EFALSE - GETYP A,(C) ; 1ST ELEMENT OF FORM - CAIE A,TATOM ; ATOM? - JRST EV0 ; NO, EVALUATE IT - MOVE B,1(C) ; GET ATOM - PUSHJ P,IGVAL ; GET ITS GLOBAL VALUE - -; SPECIAL HACK TO SPEED UP LVAL AND GVAL CALLS - - CAIE B,LVAL - CAIN B,GVAL - JRST ATMVAL ; FAST ATOM VALUE - - GETYP 0,A - CAIE 0,TUNBOU ; BOUND? - JRST IAPPLY ; YES APPLY IT - - MOVE C,1(AB) ; LOOK FOR LOCAL - MOVE B,1(C) - PUSHJ P,ILVAL - GETYP 0,A - CAIE 0,TUNBOU - JRST IAPPLY ; WIN, GO APPLY IT - - PUSH TP,$TATOM - PUSH TP,EQUOTE UNBOUND-VARIABLE - PUSH TP,$TATOM - MOVE C,1(AB) ; FORM BACK - PUSH TP,1(C) - PUSH TP,$TATOM - PUSH TP,MQUOTE VALUE - MCALL 3,ERROR ; REPORT THE ERROR - JRST IAPPLY - -EFALSE: MOVSI A,TFALSE ; SPECIAL FALSE FOR EVAL OF EMPTY FORM - MOVEI B,0 - JRST EFINIS - -ATMVAL: HRRZ D,(C) ; CDR THE FORM - HRRZ 0,(D) ; AND AGAIN - JUMPN 0,IAPPLY - GETYP 0,(D) ; MAKE SURE APPLYING TO ATOM - CAIE 0,TATOM - JRST IAPPLY - MOVEI E,IGVAL ; ASSUME GLOBAAL - CAIE B,GVAL ; SKIP IF OK - MOVEI E,ILVAL ; ELSE USE LOCAL - PUSH P,B ; SAVE SUBR - MOVE B,(D)+1 ; CLR BUG #1637 (GET THE ATOM FOR THE SUBR) - PUSHJ P,(E) ; AND GET VALUE - CAME A,$TUNBOU - JRST EFINIS ; RETURN FROM EVAL - POP P,B - MOVSI A,TSUBR ; CAUSE REAL SUBR TO GET EROR - JRST IAPPLY - -; HERE FOR 1ST ELEMENT NOT A FORM - -EV0: PUSHJ P,FASTEV ; EVAL IT - -; HERE TO APPLY THINGS IN FORMS - -IAPPLY: PUSH TP,(AB) ; SAVE THE FORM - PUSH TP,1(AB) - PUSH TP,A - PUSH TP,B ; SAVE THE APPLIER - PUSH TP,$TFIX ; AND THE ARG GETTER - PUSH TP,[ARGCDR] - PUSHJ P,APLDIS ; GO TO INTERNAL APPLIER - JRST EFINIS ; LEAVE EVAL - -; HERE TO EVAL 1ST ELEMENT OF A FORM - -FASTEV: SKIPE 1STEPR+1(PVP) ; BEING 1 STEPPED? - JRST EV02 ; YES, LET LOSER SEE THIS EVAL - GETYP A,(C) ; GET TYPE - SKIPE D,EVATYP+1(TVP) ; USER TABLE? - JRST EV01 ; YES, HACK IT -EV03: CAIG A,NUMPRI ; SKIP IF SELF - SKIPA A,EVTYPE(A) ; GET DISPATCH - MOVEI A,SELF ; USE SLEF - -EV04: CAIE A,SELF ; IF EVAL'S TO SELF, JUST USE IT - JRST EV02 - MOVSI A,TLIST - MOVEM A,CSTO(PVP) - INTGO - SETZM CSTO(PVP) - HLLZ A,(C) ; GET IT - MOVE B,1(C) - JSP E,CHKAB ; CHECK DEFERS - POPJ P, ; AND RETURN - -EV01: ADDI D,(A) ; POINT TO SLOT OF USER EVAL TABLE - ADDI D,(A) - SKIPE (D) ; EITHER NOT GIVEN OR SIMPLE - JRST EV02 - SKIPN 1(D) ; SKIP IF SIMPLE - JRST EV03 ; NOT GIVEN - MOVE A,1(D) - JRST EV04 - -EV02: PUSH TP,(C) - HLLZS (TP) ; FIX UP LH - PUSH TP,1(C) - JSP E,CHKARG - MCALL 1,EVAL - POPJ P, - - -; MAPF/MAPR CALL TO APPLY - - MQUOTE APPLY - -MAPPLY: JRST APPLY - -; APPLY, FALLS INTO EVAL'S APPLY CODE AT APLDIS - -MFUNCTION APPLY,SUBR - - ENTRY - - JUMPGE AB,TFA ; MUST BE AT LEAST 1 ARGUMENT - MOVE A,AB - ADD A,[2,,2] - PUSH TP,$TAB - PUSH TP,A - PUSH TP,(AB) ; SAVE FCN - PUSH TP,1(AB) - PUSH TP,$TFIX ; AND ARG GETTER - PUSH TP,[SETZ APLARG] - PUSHJ P,APLDIS - JRST FINIS - -; STACKFROM, ALSO FALLS INTO EVAL'S APPLIER AT APLDIS - -MFUNCTION STACKFORM,FSUBR - - ENTRY 1 - - GETYP A,(AB) - CAIE A,TLIST - JRST WTYP1 - MOVEI A,3 ; CHECK ALL GOODIES SUPPLIED - HRRZ B,1(AB) - - JUMPE B,TFA - HRRZ B,(B) ; CDR IT - SOJG A,.-2 - - HRRZ C,1(AB) ; GET LIST BACK - PUSHJ P,FASTEV ; DO A FAST EVALUATION - PUSH TP,(AB) - HRRZ C,@1(AB) ; POINT TO ARG GETTING FORMS - PUSH TP,C - PUSH TP,A ; AND FCN - PUSH TP,B - PUSH TP,$TFIX - PUSH TP,[SETZ EVALRG] - PUSHJ P,APLDIS - JRST FINIS - - -; OFFSETS FOR TEMPORARIES ETC. USED IN APPLYING STUFF - -E.FRM==0 ; POINTS TO FORM BEING EVALED (OR ARGS FOR APPLY STACKFORM) -E.FCN==2 ; FUNCTION/SUBR/RSUBR BEING APPLIED -E.ARG==4 ; POINTS TO ARG GETTING ROUTINE (<0 => MUST EVAL ARGS) -E.EXTR==6 ; CONTAINS 1ST ARG IN USER APPLY CASE -E.SEG==10 ; POINTS TO SEGMENT IN FORM BEING HACKED -E.CNT==12 ; COUNTER FOR TUPLES OF ARGS -E.DECL==14 ; POINTS TO DECLARATION LIST IN FUNCTIONS -E.ARGL==16 ; POINTS TO ARG LIST IN FUNCTIONS -E.HEW==20 ; POINTS TO HEWITT ATOM IF IT EXISTS - -E.VAL==E.ARGL ; VALUE TYPE FOR RSUBRS - -MINTM==E.EXTR+2 ; MIN # OF TEMPS EVER ALLOCATED -E.TSUB==E.CNT+2 ; # OF TEMPS FOR SUBR/NUMBER APPLICATION -XP.TMP==E.HEW-E.EXTR ; # EXTRA TEMPS FOR FUNCTION APPLICATION -R.TMP==4 ; TEMPS AFTER ARGS ARE BOUND -TM.OFF==E.HEW+2-R.TMP ; TEMPS TO FLUSH AFTER BIND OF ARGS - -RE.FCN==0 ; AFTER BINDING CONTAINS FCN BODY -RE.ARG==2 ; ARG LIST AFTER BINDING - -; GENERAL THING APPLYER - -APLDIS: PUSH TP,[0] ; SLOT USED FOR USER APPLYERS - PUSH TP,[0] -APLDIX: GETYP A,E.FCN(TB) ; GET TYPE - -APLDI: SKIPE D,APLTYP+1(TVP) ; USER TABLE EXISTS? - JRST APLDI1 ; YES, USE IT -APLDI2: CAIG A,NUMPRI ; SKIP IF NOT PRIM - JRST @APTYPE(A) - JRST NAPT - -APLDI1: ADDI D,(A) ; POINT TO SLOT - ADDI D,(A) - SKIPE (D) ; SKIP IF NOT GIVEN OR STANDARD - JRST APLDI3 -APLDI4: SKIPE D,1(D) ; GET DISP - JRST (D) - JRST APLDI2 ; USE SYSTEM DISPATCH - -APLDI3: SKIPE E.EXTR+1(TB) ; SKIP IF HAVEN'T BEEN HERE BEFORE - JRST APLDI4 - MOVE A,(D) ; GET ITS HANDLER - EXCH A,E.FCN(TB) ; AND USE AS FCN - MOVEM A,E.EXTR(TB) ; SAVE - MOVE A,1(D) - EXCH A,E.FCN+1(TB) - MOVEM A,E.EXTR+1(TB) ; STASH OLD FCN AS EXTRG - GETYP A,(D) ; GET TYPE - JRST APLDI - - -; APPLY DISPATCH TABLE - -DISTBL APTYPE,,[[TSUBR,APSUBR],[TFSUBR,APFSUB],[TRSUBR,APRSUB],[TFIX,APNUM] -[TEXPR,APEXPR],[TFUNAR,APFUNARG],[TENTER,APENTR],[TMACRO,APMACR]] - -; SUBR TO SAY IF TYPE IS APPLICABLE - -MFUNCTION APPLIC,SUBR,[APPLICABLE?] - - ENTRY 1 - - GETYP A,(AB) - PUSHJ P,APLQ - JRST IFALSE - JRST TRUTH - -; HERE TO DETERMINE IF A TYPE IS APPLICABLE - -APLQ: PUSH P,B - SKIPN B,APLTYP+1(TVP) - JRST USEPUR ; USE PURE TABLE - ADDI B,(A) - ADDI B,(A) ; POINT TO SLOT - SKIPG 1(B) ; SKIP IF WINNER - SKIPE (B) ; SKIP IF POTENIAL LOSER - JRST CPPJ1B ; WIN - SKIPE 1(B) ; SKIP IF MUST USE PURE TABBLE - JRST CPOPJB -USEPUR: CAIG A,NUMPRI ; SKIP IF NOT PRIM - SKIPL APTYPE(A) ; SKIP IF APLLICABLE -CPPJ1B: AOS -1(P) -CPOPJB: POP P,B - POPJ P, - -; FSUBR APPLYER - -APFSUBR: - SKIPN E.EXTR(TB) ; IF EXTRA ARG - SKIPGE E.ARG+1(TB) ; OR APPLY/STACKFORM, LOSE - JRST BADFSB - MOVE A,E.FCN+1(TB) ; GET FCN - HRRZ C,@E.FRM+1(TB) ; GET ARG LIST - SUB TP,[MINTM,,MINTM] ; FLUSH UNWANTED TEMPS - PUSH TP,$TLIST - PUSH TP,C ; ARG TO STACK - .MCALL 1,(A) ; AND CALL - POPJ P, ; AND LEAVE - -; SUBR APPLYER - -APSUBR: - PUSHJ P,PSH4ZR ; SET UP ZEROED SLOTS - SKIPN A,E.EXTR(TB) ; FUNNY ARGS - JRST APSUB1 ; NO, GO - MOVE B,E.EXTR+1(TB) ; YES , GET VAL - JRST APSUB2 ; AND FALL IN - -APSUB1: PUSHJ P,@E.ARG+1(TB) ; EAT AN ARG - JRST APSUBD ; DONE -APSUB2: PUSH TP,A - PUSH TP,B - AOS E.CNT+1(TB) ; COUNT IT - JRST APSUB1 - -APSUBD: MOVE A,E.CNT+1(TB) ; FINISHED, GET COUNT - MOVE B,E.FCN+1(TB) ; AND SUBR - GETYP 0,E.FCN(TB) - CAIN 0,TENTER - JRST APENDN - PUSHJ P,BLTDN ; FLUSH CRUFT - .ACALL A,(B) - POPJ P, - -BLTDN: MOVEI C,(TB) ; POINT TO DEST - HRLI C,E.TSUB(C) ; AND SOURCE - BLT C,-E.TSUB(TP) ;BL..............T - SUB TP,[E.TSUB,,E.TSUB] - POPJ P, - -APENDN: PUSHJ P,BLTDN -APNDN1: .ECALL A,(B) - POPJ P, - -; FLAGS FOR RSUBR HACKER - -F.STR==1 -F.OPT==2 -F.QUO==4 -F.NFST==10 - -; APPLY OBJECTS OF TYPE RSUBR - -APENTR: -APRSUBR: - MOVE C,E.FCN+1(TB) ; GET THE RSUBR - CAML C,[-5,,] ; IS IT LONG ENOUGH FOR DECLS - JRST APSUBR ; NO TREAT AS A SUBR - GETYP 0,4(C) ; GET TYPE OF 3D ELEMENT - CAIE 0,TDECL ; DECLARATION? - JRST APSUBR ; NO, TREAT AS SUBR - PUSHJ P,PSH4ZR ; ALLOCATE SOME EXTRA ROOM - PUSH TP,$TDECL ; PUSH UP THE DECLS - PUSH TP,5(C) - PUSH TP,$TLOSE ; SAVE ROOM FOR VAL DECL - PUSH TP,[0] - - SKIPN E.EXTR(TB) ; "EXTRA" ARG? - JRST APRSU1 ; NO, - MOVE 0,[SETZ EXTRGT] ; CHANGE THE ACCESS FCN - EXCH 0,E.ARG+1(TB) - HRRM 0,E.ARG(TB) ; REMEMBER IT - -APRSU1: MOVEI 0,0 ; INIT FLAG REGISTER - PUSH P,0 ; SAVE - -APRSU2: HRRZ A,E.DECL+1(TB) ; GET DECL LIST - JUMPE A,APRSU3 ; DONE! - HRRZ B,(A) ; CDR IT - MOVEM B,E.DECL+1(TB) - PUSHJ P,NXTDCL ; IS NEXT THING A STRING? - JRST APRSU4 ; NO, BETTER BE A TYPE - CAMN B,[ASCII /VALUE/] - JRST RSBVAL ; SAVE VAL DECL - TRON 0,F.NFST ; IF NOT FIRST, LOSE - CAME B,[ASCII /CALL/] ; CALL DECL - JRST APRSU7 - SKIPGE E.ARG+1(TB) ; LEGAL? - JRST MPD - MOVE C,E.FRM(TB) - MOVE D,E.FRM+1(TB) ; GET FORM - JRST APRS10 ; HACK IT - -APRSU5: TROE 0,F.STR ; STRING STRING? - JRST MPD ; LOSER - CAME B,[+1] ; OPTIONA? - JRST APRSU8 - TROE 0,F.OPT ; CHECK AND SET - JRST MPD ; OPTINAL OPTIONAL LOSES - JRST APRSU2 ; TO MAIN LOOP - -APRSU7: CAME B,[ASCII /QUOTE/] - JRST APRSU5 - TRO 0,F.STR - TROE 0,F.QUO ; TURN ON AND CHECK QUOTE - JRST MPD ; QUOTE QUOTE LOSES - JRST APRSU2 ; GO TO END OF LOOP - - -APRSU8: CAME B,[ASCII /ARGS/] - JRST APRSU9 - SKIPGE E.ARG+1(TB) ; SKIP IF LEGAL - JRST MPD - HRRZ D,@E.FRM+1(TB) ; GET ARG LIST - MOVSI C,TLIST - -APRS10: HRRZ A,(A) ; GET THE DECL - MOVEM A,E.DECL+1(TB) ; CLOBBER - HRRZ B,(A) ; CHECK FOR TOO MUCH - JUMPN B,MPD - MOVE B,1(A) ; GET DECL - HLLZ A,(A) ; GOT THE DECL - MOVEM 0,(P) ; SAVE FLAGS - JSP E,CHKAB ; CHECK DEFER - PUSH TP,C - PUSH TP,D ; SAVE - PUSHJ P,TMATCH - JRST WTYP - AOS E.CNT+1(TB) ; COUNT ARG - JRST APRDON ; GO CALL RSUBR - -RSBVAL: HRRZ A,E.DECL+1(TB) ; GET DECL - JUMPE A,MPD - HRRZ B,(A) ; POINT TO DECL - MOVEM B,E.DECL+1(TB) ; SAVE NEW DECL POINTER - PUSHJ P,NXTDCL - JRST .+2 - JRST MPD - MOVEM A,E.VAL+1(TB) ; SAVE VAL DECL - MOVSI A,TDCLI - MOVEM A,E.VAL(TB) ; SET ITS TYPE - JRST APRSU2 - - -APRSU9: CAME B,[ASCII /TUPLE/] - JRST MPD - MOVEM 0,(P) ; SAVE FLAGS - HRRZ A,(A) ; CDR DECLS - MOVEM A,E.DECL+1(TB) - HRRZ B,(A) - JUMPN B,MPD ; LOSER - PUSH P,[0] ; COUNT ELEMENTS IN TUPLE - -APRTUP: PUSHJ P,@E.ARG+1(TB) ; GOBBLE ARGS - JRST APRTPD ; DONE - PUSH TP,A - PUSH TP,B - AOS (P) ; COUNT IT - JRST APRTUP ; AND GO - -APRTPD: POP P,C ; GET COUNT - ADDM C,E.CNT+1(TB) ; UPDATE MAIN COUNT - ASH C,1 ; # OF WORDS - HRLI C,TINFO ; BUILD FENCE POST - PUSH TP,C - PUSHJ P,TBTOTP ; GEN REL OFFSET TO TOP - PUSH TP,D - HRROI D,-1(TP) ; POINT TO TOP - SUBI D,(C) ; TO BASE - TLC D,-1(C) - MOVSI C,TARGS ; BUILD TYPE WORD - HLR C,OTBSAV(TB) - MOVE A,E.DECL+1(TB) - MOVE B,1(A) - HLLZ A,(A) ; TYPE/VAL - JSP E,CHKAB ; CHECK - PUSHJ P,TMATCH ; GOTO TYPE CHECKER - JRST WTYP - - SUB TP,[2,,2] ; REMOVE FENCE POST - -APRDON: SUB P,[1,,1] ; FLUSH CRUFT - MOVE A,E.CNT+1(TB) ; GET # OF ARGS - MOVE B,E.FCN+1(TB) - GETYP 0,E.FCN(TB) ; COULD BE ENTRY - MOVEI C,(TB) ; PREPARE TO BLT DOWN - HRLI C,E.TSUB+2(C) - BLT C,-E.TSUB+2(TP) - SUB TP,[E.TSUB+2,,E.TSUB+2] - CAIE 0,TRSUBR - JRST APNDN1 - .ACALL A,(B) ; CALL THE RSUBR - JRST PFINIS - - - -APRSU4: MOVEM 0,(P) ; SAVE FLAGS - MOVE B,1(A) ; GET DECL - HLLZ A,(A) - JSP E,CHKAB - MOVE 0,(P) ; RESTORE FLAGS - PUSH TP,A - PUSH TP,B ; AND SAVE - SKIPL E.ARG+1(TB) ; ALREADY EVAL'D - TRZN 0,F.QUO - JRST APREVA ; MUST EVAL ARG - MOVEM 0,(P) - HRRZ C,@E.FRM+1(TB) ; GET ARG? - TRNE 0,F.OPT ; OPTIONAL - JUMPE C,APRDN - JUMPE C,TFA ; NO, TOO FEW ARGS - MOVEM C,E.FRM+1(TB) - HLLZ A,(C) ; GET ARG - MOVE B,1(C) - JSP E,CHKAB ; CHECK THEM - -APRTYC: MOVE C,A ; SET UP FOR TMATCH - MOVE D,B - EXCH B,(TP) - EXCH A,-1(TP) ; SAVE STUFF -APRS11: PUSHJ P,TMATCH ; CHECK TYPE - JRST WTYP - - MOVE 0,(P) ; RESTORE FLAGS - TRZ 0,F.STR - AOS E.CNT+1(TB) - JRST APRSU2 ; AND GO ON - -APREVA: PUSHJ P,@E.ARG+1(TB) ; EVAL ONE - TDZA C,C ; C=0 ==> NONE LEFT - MOVEI C,1 - MOVE 0,(P) ; FLAGS - JUMPN C,APRTYC ; GO CHECK TYPE -APRDN: SUB TP,[2,,2] ; FLUSH DECL - TRNE 0,F.OPT ; OPTIONAL? - JRST APRDON ; ALL DONE - JRST TFA - -APRSU3: TRNE 0,F.STR ; END IN STRING? - JRST MPD - PUSHJ P,@E.ARG+1(TB) ; SEE IF ANYMORE ARGS - JRST APRDON - JRST TMA - - -; STANDARD ARGUMENT GETTERS USED IN APPLYING THINGS - -ARGCDR: HRRZ C,@E.FRM+1(TB) ; POINT TO ARGLIST (NOTE: POINTS 1 BEFORE WHERE ARG IS) - JUMPE C,CPOPJ ; LEAVE IF DONE - MOVEM C,E.FRM+1(TB) - GETYP 0,(C) ; GET TYPE OF ARG - CAIN 0,TSEG - JRST ARGCD1 ; SEG MENT HACK - PUSHJ P,FASTEV - JRST CPOPJ1 - -ARGCD1: PUSH TP,$TFORM ; PRETEND WE ARE A FORM - PUSH TP,1(C) - MCALL 1,EVAL - MOVEM A,E.SEG(TB) - MOVEM B,E.SEG+1(TB) - PUSHJ P,TYPSEG ; GET SEG TYPE CODE - HRRM C,E.ARG(TB) ; SAVE IT IN OBSCCURE PLACE - MOVE C,[SETZ SGARG] - MOVEM C,E.ARG+1(TB) ; SET NEW ARG GETTER - -; FALL INTO SEGARG - -SGARG: INTGO - HRRZ C,E.ARG(TB) ; SEG CODE TO C - MOVE D,E.SEG+1(TB) - MOVE A,E.SEG(TB) - MOVEM A,DSTO(PVP) - PUSHJ P,NXTLM ; GET NEXT ELEMENT - JRST SEGRG1 ; DONE - MOVEM D,E.SEG+1(TB) - MOVE D,DSTO(PVP) ; KEEP TYPE WINNING - MOVEM D,E.SEG(TB) - SETZM DSTO(PVP) - JRST CPOPJ1 ; RETURN - -SEGRG1: SETZM DSTO(PVP) - MOVEI C,ARGCDR - MOVEM C,E.ARG+1(TB) ; RESET ARG GETTER - JRST ARGCDR - -; ARGUMENT GETTER FOR APPLY - -APLARG: INTGO - SKIPL A,E.FRM+1(TB) ; ANY ARGS LEFT - POPJ P, ; NO, EXIT IMMEDIATELY - ADD A,[2,,2] - MOVEM A,E.FRM+1(TB) - MOVE B,-1(A) ; RET NEXT ARG - MOVE A,-2(A) - JRST CPOPJ1 - -; STACKFORM ARG GETTER - -EVALRG: SKIPN C,@E.FRM+1(TB) ; ANY FORM? - POPJ P, - PUSHJ P,FASTEV - GETYP A,A ; CHECK FOR FALSE - CAIN A,TFALSE - POPJ P, - MOVE C,E.FRM+1(TB) ; GET OTHER FORM - PUSHJ P,FASTEV - JRST CPOPJ1 - - -; HERE TOO APPLY NUMBERS - -APNUM: PUSHJ P,PSH4ZR ; TP SLOSTS - SKIPN A,E.EXTR(TB) ; FUNNY ARG? - JRST APNUM1 ; NOPE - MOVE B,E.EXTR+1(TB) ; GET ARG - JRST APNUM2 - -APNUM1: PUSHJ P,@E.ARG+1(TB) ; GET ARG - JRST TFA -APNUM2: PUSH TP,A - PUSH TP,B - PUSH TP,E.FCN(TB) - PUSH TP,E.FCN+1(TB) - PUSHJ P,@E.ARG+1(TB) - JRST .+2 - JRST TMA - PUSHJ P,BLTDN ; FLUSH JUNK - MCALL 2,NTH - POPJ P, - -; HERE TO APPLY SUSSMAN FUNARGS - -APFUNARG: - - SKIPN C,E.FCN+1(TB) - JRST FUNERR - HRRZ D,(C) ; MUST BE AT LEAST 2 LONG - JUMPE D,FUNERR - GETYP 0,(D) ; CHECK FOR LIST - CAIE 0,TLIST - JRST FUNERR - HRRZ 0,(D) ; SHOULD BE END - JUMPN 0,FUNERR - GETYP 0,(C) ; 1ST MUST BE FCN - CAIE 0,TEXPR - JRST FUNERR - SKIPN C,1(C) - JRST NOBODY - PUSHJ P,APEXPF ; BIND THE ARGS AND AUX'S - HRRZ C,RE.FCN+1(TB) ; GET BODY OF FUNARG - MOVE B,1(C) ; GET FCN - MOVEM B,RE.FCN+1(TB) ; AND SAVE - HRRZ C,(C) ; CDR FUNARG BODY - MOVE C,1(C) - MOVSI 0,TLIST ; SET UP TYPE - MOVEM 0,CSTO(PVP) ; FOR INTS TO WIN - -FUNLP: INTGO - JUMPE C,DOF ; RUN IT - GETYP 0,(C) - CAIE 0,TLIST ; BETTER BE LIST - JRST FUNERR - PUSH TP,$TLIST - PUSH TP,C - PUSHJ P,NEXTDC ; GET POSSIBILITY - JRST FUNERR ; LOSER - CAIE A,2 - JRST FUNERR - HRRZ B,(B) ; GET TO VALUE - MOVE C,(TP) - SUB TP,[2,,2] - PUSH TP,BNDA - PUSH TP,E - HLLZ A,(B) ; GET VAL - MOVE B,1(B) - JSP E,CHKAB ; HACK DEFER - PUSHJ P,PSHAB4 ; PUT VAL IN - HRRZ C,(C) ; CDR - JUMPN C,FUNLP - -; HERE TO RUN FUNARG - -DOF: SETZM CSTO(PVP) ; DONT CONFUSE GC - PUSHJ P,SPECBIND ; BIND 'EM UP - JRST RUNFUN - - - -; HERE TO DO MACROS - -APMACR: HRRZ E,OTBSAV(TB) - HRRZ E,PCSAV(E) ; SEE WHERE FROM - CAIN E,AEVAL3 ; SKIP IF NOT RIGHT - JRST APMAC1 - SKIPG E.ARG+1(TB) ; SKIP IF REAL FORM EXISTS - JRST BADMAC - MOVE A,E.FRM(TB) - MOVE B,E.FRM+1(TB) - SUB TP,[E.EXTR+2,,E.EXTR+2] ; FLUSH JUNK - PUSH TP,A - PUSH TP,B - MCALL 1,EXPAND ; EXPAND THE MACRO - PUSH TP,A - PUSH TP,B - MCALL 1,EVAL ; EVAL THE RESULT - POPJ P, - -APMAC1: MOVE C,E.FCN+1(TB) ; GET MACRO BODY - GETYP A,(C) - MOVE B,1(C) - MOVSI A,(A) - JSP E,CHKAB ; FIX DEFERS - MOVEM A,E.FCN(TB) - MOVEM B,E.FCN+1(TB) - JRST APLDIX - -; HERE TO APPLY EXPRS (FUNCTIONS) - -APEXPR: PUSHJ P,APEXP ; BIND ARGS AND AUX'S -RUNFUN: HRRZ A,RE.FCN(TB) ; AMOUNT OF FCN TO SKIP - MOVEI C,RE.FCN+1(TB) ; POINT TO FCN - HRRZ C,(C) ; SKIP SOMETHING - SOJGE A,.-1 ; UNTIL 1ST FORM - MOVEM C,RE.FCN+1(TB) ; AND STORE - JRST DOPROG ; GO RUN PROGRAM - -APEXP: SKIPN C,E.FCN+1(TB) ; CHECK FRO BODY - JRST NOBODY -APEXPF: PUSH P,[0] ; COUNT INIT CRAP - ADD TP,[XP.TMP,,XP.TMP] ; SLOTS FOR HACKING - SKIPL TP - PUSHJ P,TPOVFL - SETZM 1-XP.TMP(TP) ; ZERO OUT - MOVEI A,-XP.TMP+2(TP) - HRLI A,-1(A) - BLT A,(TP) ; ZERO SLOTS - PUSHJ P,CARATC ; SEE IF HEWITT ATOM EXISTS - JRST APEXP1 ; NO, GO LOOK FOR ARGLIST - MOVEM E,E.HEW+1(TB) ; SAVE ATOM - MOVSM 0,E.HEW(TB) ; AND TYPE - AOS (P) ; COUNT HEWITT ATOM -APEXP1: GETYP 0,(C) ; LOOK AT NEXT THING - CAIE 0,TLIST ; BETTER BE LIST!!! - JRST MPD.0 ; LOSE - MOVE B,1(C) ; GET LIST - MOVEM B,E.ARGL+1(TB) ; SAVE - MOVSM 0,E.ARGL(TB) ; WITH TYPE - HRRZ C,(C) ; CDR THE FCN - JUMPE C,NOBODY ; BODYLESS FCN - GETYP 0,(C) ; SEE IF DCL LIST SUPPLIED - CAIE 0,TDECL - JRST APEXP2 ; NO, START PROCESSING ARGS - AOS (P) ; COUNT DCL - MOVE B,1(C) - MOVEM B,E.DECL+1(TB) - MOVSM 0,E.DECL(TB) - HRRZ C,(C) ; CDR ON - JUMPE C,NOBODY - - ; CHECK FOR EXISTANCE OF EXTRA ARG - -APEXP2: POP P,A ; GET COUNT - HRRM A,E.FCN(TB) ; AND SAVE - SKIPN E.EXTR(TB) ; SKIP IF FUNNY EXTRA ARG EXISTS - JRST APEXP3 - MOVE 0,[SETZ EXTRGT] - EXCH 0,E.ARG+1(TB) - HRRM 0,E.ARG(TB) ; SAVE OLD GETTER AROUND - -; FALL THROUGH - -; LOOK FOR "BIND" DECLARATION - -APEXP3: PUSHJ P,UNPROG ; UNASSIGN LPROG IF NEC -APXP3A: SKIPN A,E.ARGL+1(TB) ; GET ARGLIST - JRST APEXP4 ; NONE, VERIFY NONE WERE GIVEN - PUSHJ P,NXTDCL ; SEE IF A DECL IS THERE - JRST BNDRG ; NO, GO BIND NORMAL ARGS - HRRZ C,(A) ; CDR THE DCLS - CAME B,[ASCII /BIND/] - JRST CH.CAL ; GO LOOK FOR "CALL" - PUSHJ P,CARTMC ; MUST BE AN ATOM - MOVEM C,E.ARGL+1(TB) ; AND SAVE CDR'D ARGS - PUSHJ P,MAKENV ; GENERATE AN ENVIRONMENT - PUSHJ P,PSBND1 ; PUSH THE BINDING AND CHECK THE DCL - JRST APXP3A ; IN CASE <"BIND" B "BIND" C...... - - -; LOOK FOR "CALL" DCL - -CH.CAL: CAME B,[ASCII /CALL/] - JRST CHOPT ; TRY SOMETHING ELSE - SKIPG E.ARG+1(TB) ; DONT SKIP IF CANT WIN - JRST MPD.2 - PUSHJ P,CARTMC ; BETTER BE AN ATOM - MOVEM C,E.ARGL+1(TB) - MOVE A,E.FRM(TB) ; RETURN FORM - MOVE B,E.FRM+1(TB) - PUSHJ P,PSBND1 ; BIND AND CHECK - JRST APEXP5 - -; BIND NORMAL ARGS BY CALLING BNDEM1, RETURNS WHEN ALL DONE - -BNDRG: PUSHJ P,BNDEM1 ; GO BIND THEM UP - TRNN A,4 ; SKIP IF HIT A DCL - JRST APEXP4 ; NOT A DCL, MUST BE DONE - -; LOOK FOR "OPTIONAL" DECLARATION - -CHOPT: CAME B,[+1] - JRST CHREST ; TRY TUPLE/ARGS - MOVEM C,E.ARGL+1(TB) ; SAVE RESTED ARGLIST - PUSHJ P,BNDEM2 ; DO ALL SUPPLIED OPTIONALS - TRNN A,4 ; SKIP IF NEW DCL READ - JRST APEXP4 - -; CHECK FOR "ARGS" DCL - -CHREST: CAME B,[ASCII /ARGS/] - JRST CHRST1 ; GO LOOK FOR "TUPLE" - SKIPGE E.ARG+1(TB) ; SKIP IF LEGAL - JRST MPD.3 - PUSHJ P,CARTMC ; GOBBLE ATOM - MOVEM C,E.ARGL+1(TB) ; SAVE CDR'D ARG - HRRZ B,@E.FRM+1(TB) ; GET ARG LIST - MOVSI A,TLIST ; GET TYPE - PUSHJ P,PSBND1 - JRST APEXP5 - -; HERE TO CHECK FOR "TUPLE" - -CHRST1: CAME B,[ASCII /TUPLE/] - JRST APXP10 - PUSHJ P,CARTMC ; GOBBLE ATOM - MOVEM C,E.ARGL+1(TB) - SETZB A,B - PUSHJ P,PSHBND ; SET UP BINDING - SETZM E.CNT+1(TB) ; ZERO ARG COUNTER - -TUPLP: PUSHJ P,@E.ARG+1(TB) ; GET AN ARG - JRST TUPDON ; FINIS - AOS E.CNT+1(TB) - PUSH TP,A - PUSH TP,B - JRST TUPLP - -TUPDON: PUSHJ P,MAKINF ; MAKE INFO CELL - PUSH TP,$TINFO ; FENCE POST TUPLE - PUSHJ P,TBTOTP - ADDI D,TM.OFF ; COMPENSATE FOR MOVEMENT - PUSH TP,D - MOVE C,E.CNT+1(TB) ; GET COUNT - ASH C,1 ; TO WORDS - HRRM C,-1(TP) ; INTO FENCE POST - MOVEI B,-TM.OFF-1(TP) ; SETUP ARG POINTER - SUBI B,(C) ; POINT TO BASE OF TUPLE - MOVNS C ; FOR AOBJN POINTER - HRLI B,(C) ; GOOD ARGS POINTER - MOVEM A,TM.OFF-4(B) ; STORE - MOVEM B,TM.OFF-3(B) - - -; CHECK FOR VALID ENDING TO ARGS - -APEXP5: PUSHJ P,NEXTD ; READ NEXT THING IN ARGLIST - JRST APEXP8 ; DONE - TRNN A,4 ; SKIP IF DCL - JRST MPD.4 ; LOSER -APEXP7: MOVSI A,-NWINS ; CHECK FOR A WINNER - CAME B,WINRS(A) - AOBJN A,.-1 - JUMPE A,MPD.6 ; NOT A WINNER - -; HERE TO BLT THE WORLD DOWN ON TOP OF ALL THE USELESS TEMPS - -APEXP8: MOVE 0,E.HEW+1(TB) ; GET HEWITT ATOM - MOVE E,E.FCN(TB) ; SAVE COUNTER - MOVE C,E.FCN+1(TB) ; FCN - MOVE B,E.ARGL+1(TB) ; ARG LIST - MOVE D,E.DECL+1(TB) ; AND DCLS - MOVEI A,R.TMP(TB) ; SET UP BLT - HRLI A,TM.OFF(A) - BLT A,-TM.OFF(TP) ; BLLLLLLLLLLLLLT - SUB TP,[TM.OFF,,TM.OFF] ; FLUSH CRUFT - MOVEM E,RE.FCN(TB) - MOVEM C,RE.FCN+1(TB) - MOVEM B,RE.ARGL+1(TB) - MOVE E,TP - PUSH TP,$TATOM - PUSH TP,0 - PUSH TP,$TDECL - PUSH TP,D - GETYP A,-5(TP) ; TUPLE ON TOP? - CAIE A,TINFO ; SKIP IF YES - JRST APEXP9 - HRRZ A,-5(TP) ; GET SIZE - ADDI A,2 - HRLI A,(A) - SUB E,A ; POINT TO BINDINGS - SKIPE C,(TP) ; IF DCL - PUSHJ P,CHKDCL ; CHECK TYPE SPEC ON TUPLE -APEXP9: PUSHJ P,USPCBE ; DO ACTUAL BINDING - - MOVE E,-2(TP) ; RESTORE HEWITT ATOM - MOVE D,(TP) ; AND DCLS - SUB TP,[4,,4] - - JRST AUXBND ; GO BIND AUX'S - -; HERE TO VERIFY CHECK IF ANY ARGS LEFT - -APEXP4: PUSHJ P,@E.ARG+1(TB) - JRST APEXP8 ; WIN - JRST TMA ; TOO MANY ARGS - -APXP10: PUSH P,B - PUSHJ P,@E.ARG+1(TB) - JRST .+2 - JRST TMA - POP P,B - JRST APEXP7 - -; LIST OF POSSIBLE TERMINATING NAMES - -WINRS: -AS.ACT: ASCII /ACT/ -AS.NAM: ASCII /NAME/ -AS.AUX: ASCII /AUX/ -AS.EXT: ASCII /EXTRA/ -NWINS==.-WINRS - - -; HERE TO BIND AUX VARIABLES FOR PROGS AND FCNS - -AUXBND: PUSH P,E ; SAVE HEWITT ATOM ( WILL PUT ON MARKED STACK - ; WHEN NECESSARY) - PUSH P,D ; SAME WITH DCL LIST - PUSH P,[-1] ; FLAG SAYING WE ARE FCN - SKIPN C,RE.ARG+1(TB) ; GET ARG LIST - JRST AUXDON - GETYP 0,(C) ; GET TYPE - CAIE 0,TDEFER ; SKIP IF CHSTR - MOVMS (P) ; SAY WE ARE IN OPTIONALS - JRST AUXB1 - -PRGBND: PUSH P,E - PUSH P,D - PUSH P,[0] ; WE ARE IN AUXS - -AUXB1: HRRZ C,RE.ARG+1(TB) ; POINT TO ARGLIST - PUSHJ P,NEXTDC ; GET NEXT THING OFF OF ARG LIST - JRST AUXDON - TRNE A,4 ; SKIP IF SOME KIND OF ATOM - JRST TRYDCL ; COUDL BE DCL - TRNN A,1 ; SKIP IF QUOTED - JRST AUXB2 - SKIPN (P) ; SKIP IF QUOTED OK - JRST MPD.11 -AUXB2: PUSHJ P,PSHBND ; SET UP BINDING - PUSH TP,$TDECL ; SAVE HEWITT ATOM - PUSH TP,-1(P) - PUSH TP,$TATOM ; AND DECLS - PUSH TP,-2(P) - - TRNN A,2 ; SKIP IF INIT VAL EXISTS - JRST AUXB3 ; NO, USE UNBOUND - -; EVALUATE EXPRESSION - - HRRZ C,(B) ; CDR ATOM OFF - -; CHECK FOR SPECIAL FORMS - - GETYP 0,(C) ; GET TYPE OF GOODIE - CAIE 0,TFORM ; SMELLS LIKE A FORM - JRST AUXB13 - HRRZ D,1(C) ; GET 1ST ELEMENT - GETYP 0,(D) ; AND ITS VAL - CAIE 0,TATOM ; FEELS LIKE THE RIGHT FORM - JRST AUXB13 - - MOVE 0,1(D) ; GET THE ATOM - CAME 0,MQUOTE TUPLE - CAMN 0,MQUOTE ITUPLE - JRST DOTUPL ; SURE GLAD I DIDN'T STEP IN THAT FORM - - -AUXB13: PUSHJ P,FASTEV -AUXB14: MOVE E,TP -AUXB4: MOVEM A,-7(E) ; STORE VAL IN BINDING - MOVEM B,-6(E) - -; HERE TO CHECK AGAINST DECLARATIONS AND COMPLETE THE BINDING - -AUXB5: SUB E,[4,,4] ; POINT TO BINDING TOP - SKIPE C,-2(TP) ; POINT TO DECLARATINS - PUSHJ P,CHKDCL ; CHECK IT - PUSHJ P,USPCBE ; AND BIND UP - SKIPE C,RE.ARG+1(TB) ; CDR DCLS - HRRZ C,(C) ; IF ANY TO CDR - MOVEM C,RE.ARG+1(TB) - MOVE A,(TP) ; NOW PUT HEWITT ATOM AND DCL AWAY - MOVEM A,-2(P) - MOVE A,-2(TP) - MOVEM A,-1(P) - SUB TP,[4,,4] ; FLUSH SLOTS - JRST AUXB1 - - -AUXB3: MOVNI B,1 - MOVSI A,TUNBOU - JRST AUXB14 - - - -; HERE TO HANDLE "CALLS" TO TUPLE AND ITUPLE - -DOTUPL: PUSH TP,$TLIST ; SAVE THE MAGIC FORM - PUSH TP,D - CAME 0,MQUOTE TUPLE - JRST DOITUP ; DO AN ITUPLE - -; FALL INTO A TUPLE PUSHING LOOP - -DOTUP1: HRRZ C,@(TP) ; CDR THE FORM - JUMPE C,ATUPDN ; FINISHED - MOVEM C,(TP) ; SAVE CDR'D RESULT - GETYP 0,(C) ; CHECK FOR SEGMENT - CAIN 0,TSEG - JRST DTPSEG ; GO PULL IT APART - PUSHJ P,FASTEV ; EVAL IT - PUSHJ P,CNTARG ; PUSH IT UP AND COUNT THEM - JRST DOTUP1 - -; HERE WHEN WE FINISH - -ATUPDN: SUB TP,[2,,2] ; FLUSH THE LIST - ASH E,1 ; E HAS # OF ARGS DOUBLE IT - MOVEI D,(TP) ; FIND BASE OF STACK AREA - SUBI D,(E) - MOVSI C,-3(D) ; PREPARE BLT POINTER - BLT C,C ; HEWITT ATOM AND DECL TO 0,A,B,C - -; NOW PREPEARE TO BLT TUPLE DOWN - - MOVEI D,-3(D) ; NEW DEST - HRLI D,4(D) ; SOURCE - BLT D,-4(TP) ; SLURP THEM DOWN - - HRLI E,TINFO ; SET UP FENCE POST - MOVEM E,-3(TP) ; AND STORE - PUSHJ P,TBTOTP ; GET OFFSET - ADDI D,3 ; FUDGE FOR NOT AT TOP OF STACK - MOVEM D,-2(TP) - MOVEM 0,-1(TP) ; RESTORE HEW ATOM AND DECLS - MOVEM A,(TP) - PUSH TP,B - PUSH TP,C - - PUSHJ P,MAKINF ; MAKE 1ST WORD OF FUNNYS - - HRRZ E,-5(TP) ; RESTORE WORDS OF TUPLE - HRROI B,-5(TP) ; POINT TO TOP OF TUPLE - SUBI B,(E) ; NOW BASE - TLC B,-1(E) ; FIX UP AOBJN PNTR - ADDI E,2 ; COPNESATE FOR FENCE PST - HRLI E,(E) - SUBM TP,E ; E POINT TO BINDING - JRST AUXB4 ; GO CLOBBER IT IN - - -; HERE TO HANDLE SEGMENTS IN THESE FUNNY FORMS - -DTPSEG: PUSH TP,$TFORM ; SAVE THE HACKER - PUSH TP,1(C) - MCALL 1,EVAL ; AND EVALUATE IT - MOVE D,B ; GET READY FOR A SEG LOOP - MOVEM A,DSTO(PVP) - PUSHJ P,TYPSEG ; TYPE AND CHECK IT - -DTPSG1: INTGO ; DONT BLOW YOUR STACK - PUSHJ P,NXTLM ; ELEMENT TO A AND B - JRST DTPSG2 ; DONE - PUSHJ P,CNTARG ; PUSH AND COUNT - JRST DTPSG1 - -DTPSG2: SETZM DSTO(PVP) - JRST DOTUP1 ; REST OF ARGS STILL TO DO - -; HERE TO HACK - -DOITUP: HRRZ C,@(TP) ; GET COUNT FILED - JUMPE C,TUPTFA - MOVEM C,(TP) - PUSHJ P,FASTEV ; EVAL IT - GETYP 0,A - CAIE 0,TFIX - JRST WTY1TP - - JUMPL B,BADNUM - - HRRZ C,@(TP) ; GET EXP TO EVAL - MOVEI 0,0 ; DONT LOSE IN 1 ARG CASE - HRRZ 0,(C) ; VERIFY WINNAGE - JUMPN 0,TUPTMA ; TOO MANY - - JUMPE B,DOIDON - PUSH P,B ; SAVE COUNT - PUSH P,B - JUMPE C,DOILOS - PUSHJ P,FASTEV ; EVAL IT ONCE - MOVEM A,-1(TP) - MOVEM B,(TP) - -DOILP: INTGO - PUSH TP,-1(TP) - PUSH TP,-1(TP) - MCALL 1,EVAL - PUSHJ P,CNTRG - SOSLE (P) - JRST DOILP - -DOIDO1: MOVE B,-1(P) ; RESTORE COUNT - SUB P,[2,,2] - -DOIDON: MOVEI E,(B) - JRST ATUPDN - -; FOR CASE OF NO EVALE - -DOILOS: SUB TP,[2,,2] -DOILLP: INTGO - PUSH TP,[0] - PUSH TP,[0] - SOSL (P) - JRST DOILLP - JRST DOIDO1 - -; ROUTINE TO PUSH NEXT TUPLE ELEMENT - -CNTARG: AOS E,-1(TP) ; KEEP ARG COUNT UP TO DATE IN E -CNTRG: EXCH A,-1(TP) ; STORE ELEM AND GET SAVED - EXCH B,(TP) - PUSH TP,A - PUSH TP,B - POPJ P, - - -; DUMMY TUPLE AND ITUPLE - -MFUNCTION TUPLE,SUBR - - ENTRY - PUSH TP,$TATOM - PUSH TP,EQUOTE NOT-IN-ARG-LIST - JRST CALER1 - -MFUNCTIO ITUPLE,SUBR - JRST TUPLE - - -; PROCESS A DCL IN THE AUX VAR LISTS - -TRYDCL: SKIPN (P) ; SKIP IF NOT IN AUX'S - JRST AUXB7 - CAME B,AS.AUX ; "AUX" ? - CAMN B,AS.EXT ; OR "EXTRA" - JRST AUXB9 ; YES - CAME B,[ASCII /TUPLE/] - JRST AUXB10 - PUSHJ P,MAKINF ; BUILD EMPTY TUPLE - MOVEI B,1(TP) - PUSH TP,$TINFO ; FENCE POST - PUSHJ P,TBTOTP - PUSH TP,D -AUXB6: HRRZ C,(C) ; CDR PAST DCL - MOVEM C,RE.ARG+1(TB) -AUXB8: PUSHJ P,CARTMC ; GET ATOM -AUXB12: PUSHJ P,PSHBND ; UP GOES THE BINDING - PUSH TP,$TATOM ; HIDE HEWITT ATOM AND DCL - PUSH TP,-1(P) - PUSH TP,$TDECL - PUSH TP,-2(P) - MOVE E,TP - JRST AUXB5 - -; CHECK FOR ARGS - -AUXB10: CAME B,[ASCII /ARGS/] - JRST AUXB7 - MOVEI B,0 ; NULL ARG LIST - MOVSI A,TLIST - JRST AUXB6 ; GO BIND - -AUXB9: SETZM (P) ; NOW READING AUX - HRRZ C,(C) - MOVEM C,RE.ARG+1(TB) - JRST AUXB1 - -; CHECK FOR NAME/ACT - -AUXB7: CAME B,AS.NAM - CAMN B,AS.ACT - JRST .+2 - JRST MPD.12 ; LOSER - HRRZ C,(C) ; CDR ON - HRRZ 0,(C) ; BETTER BE END - JUMPN 0,MPD.13 - PUSHJ P,CARTMC ; FORCE ATOM READ - SETZM RE.ARG+1(TB) -AUXB11: PUSHJ P,MAKACT ; MAKE ACTIVATION - JRST AUXB12 ; AND BIND IT - - -; DONE BIND HEWITT ATOM IF NECESARY - -AUXDON: SKIPN E,-2(P) - JRST AUXD1 - SETZM -2(P) - JRST AUXB11 - -; FINISHED, RETURN - -AUXD1: SUB P,[3,,3] - POPJ P, - - -; MAKE AN ACTIVATION OR ENVIRONMNENT - -MAKACT: MOVEI B,(TB) - MOVSI A,TACT -MAKAC1: HRRI A,PVLNT*2+1(PVP) ; POINT TO PROCESS - HLL B,OTBSAV(B) ; GET TIME - POPJ P, - -MAKENV: MOVSI A,TENV - HRRZ B,OTBSAV(TB) - JRST MAKAC1 - -; SEVERAL USEFUL LITTLE ROUTINES FOR HACKING THIS STUFF - -; CARAT/CARATC/CARATM/CARTMC ALL LOOK FOR THE NEXT ATOM - -CARAT: HRRZ C,E.ARGL+1(TB) ; PICK UP ARGLIST -CARATC: JUMPE C,CPOPJ ; FOUND - GETYP 0,(C) ; GET ITS TYPE - CAIE 0,TATOM -CPOPJ: POPJ P, ; RETURN, NOT ATOM - MOVE E,1(C) ; GET ATOM - HRRZ C,(C) ; CDR DCLS - JRST CPOPJ1 - -CARATM: HRRZ C,E.ARGL+1(TB) -CARTMC: PUSHJ P,CARATC - JRST MPD.7 ; REALLY LOSE - POPJ P, - - -; SUBROUTINES TO PUSH BINDINGS ETC. UP ON THE STACK - -PSBND1: PUSHJ P,PSHBND ; PUSH THEBINDING - JRST CHDCL ; NOW CHECK IT AGAINST DECLARATION - -PSHBND: SKIPGE SPCCHK ; SKIP IF NORMAL SPECIAL - PUSH TP,BNDA1 ; ATOM IN E - SKIPL SPCCHK ; SKIP IF NORMAL UNSPEC OR NO CHECK - PUSH TP,BNDA - PUSH TP,E ; PUSH IT -PSHAB4: PUSH TP,A - PUSH TP,B - PUSH TP,[0] - PUSH TP,[0] - POPJ P, - -; ROUTINE TO PUSH 4 0'S - -PSH4ZR: SETZB A,B - JRST PSHAB4 - - -; EXTRRA ARG GOBBLER - -EXTRGT: HRRZ A,E.ARG(TB) ; RESET SLOT - CAIE A,ARGCDR ; IF NOT ARGCDR - TLO A,400000 ; SET FLAG - MOVEM A,E.ARG+1(TB) - MOVE A,E.EXTR(TB) ; RET ARG - MOVE B,E.EXTR+1(TB) - JRST CPOPJ1 - -; CHECK A/B FOR DEFER - -CHKAB: GETYP 0,A - CAIE 0,TDEFER ; SKIP IF DEFER - JRST (E) - MOVE A,(B) - MOVE B,1(B) ; GET REAL THING - JRST (E) -; IF DECLARATIONS EXIST, DO THEM - -CHDCL: MOVE E,TP -CHDCLE: SKIPN C,E.DECL+1(TB) - POPJ P, - JRST CHKDCL - -; ROUTINE TO READ NEXT THING FROM ARGLIST - -NEXTD: HRRZ C,E.ARGL+1(TB) ; GET ARG LIST -NEXTDC: JUMPE C,CPOPJ - PUSHJ P,CARATC ; TRY FOR AN ATOM - JRST NEXTD1 ; NO - MOVEI A,0 ; SET FLAG - JRST CPOPJ1 - -NEXTD1: CAIE 0,TFORM ; FORM? - JRST NXT.L ; COULD BE LIST - PUSHJ P,CHQT ; VERIFY 'ATOM - MOVEI A,1 - JRST CPOPJ1 - -NXT.L: CAIE 0,TLIST ; COULD BE (A ) OR ('A ) - JRST NXT.S ; BETTER BE A DCL - PUSHJ P,LNT.2 ; VERIFY LENGTH IS 2 - JRST MPD.8 - CAIE 0,TATOM ; TYPE OF 1ST RET IN 0 - JRST LST.QT ; MAY BE 'ATOM - MOVE E,1(B) ; GET ATOM - MOVEI A,2 - JRST CPOPJ1 -LST.QT: CAIE 0,TFORM ; FORM? - JRST MPD.9 ; LOSE - PUSH P,C - MOVEI C,(B) ; VERIFY 'ATOM - PUSHJ P,CHQT - MOVEI B,(C) ; POINT BACK TO LIST - POP P,C - MOVEI A,3 ; CODE - JRST CPOPJ1 - -NXT.S: MOVEI A,(C) ; LET NXTDCL FIND OUT - PUSHJ P,NXTDCL - JRST MPD.3 ; LOSER - MOVEI A,4 ; SET DCL READ FLAG - JRST CPOPJ1 - -; ROUTINE TO CHECK LENGTH OF LIST/FORM FOR BEING 2 - -LNT.2: HRRZ B,1(C) ; GET LIST/FORM - JUMPE B,CPOPJ - HRRZ B,(B) - JUMPE B,CPOPJ - HRRZ B,(B) ; BETTER END HERE - JUMPN B,CPOPJ - HRRZ B,1(C) ; LIST BACK - GETYP 0,(B) ; TYPE OF 1ST ELEMENT - JRST CPOPJ1 - -; ROUTINE TO VERIFY FORM IS 'ATOM AND RET ATOM - -CHQT: PUSHJ P,LNT.2 ; 1ST LENGTH CHECK - JRST MPD.5 - CAIE 0,TATOM - JRST MPD.5 - MOVE 0,1(B) - CAME 0,MQUOTE QUOTE - JRST MPD.5 ; BETTER BE QUOTE - HRRZ E,(B) ; CDR - GETYP 0,(E) ; TYPE - CAIE 0,TATOM - JRST MPD.5 - MOVE E,1(E) ; GET QUOTED ATOM - POPJ P, - -; ARG BINDER FOR REGULAR ARGS AND OPTIONALS - -BNDEM1: PUSH P,[0] ; REGULAR FLAG - JRST .+2 -BNDEM2: PUSH P,[1] -BNDEM: PUSHJ P,NEXTD ; GET NEXT THING - JRST CCPOPJ ; END OF THINGS - TRNE A,4 ; CHECK FOR DCL - JRST BNDEM4 - TRNE A,2 ; SKIP IF NOT (ATM ..) OR ('ATM ...) - SKIPE (P) ; SKIP IF REG ARGS - JRST .+2 ; WINNER, GO ON - JRST MPD.6 ; LOSER - SKIPGE SPCCHK - PUSH TP,BNDA1 ; SAVE ATOM - SKIPL SPCCHK - PUSH TP,BNDA - PUSH TP,E - SKIPL E.ARG+1(TB) ; SKIP IF MUST EVAL ARG - TRNN A,1 ; SKIP IF ARG QUOTED - JRST RGLARG - HRRZ D,@E.FRM+1(TB) ; GET AND CDR ARG - JUMPE D,TFACHK ; OH OH MAYBE TOO FEW ARGS - MOVEM D,E.FRM+1(TB) ; STORE WINNER - HLLZ A,(D) ; GET ARG - MOVE B,1(D) - JSP E,CHKAB ; HACK DEFER - JRST BNDEM3 ; AND GO ON - -RGLARG: PUSH P,A ; SAVE FLAGS - PUSHJ P,@E.ARG+1(TB) - JRST TFACH1 ; MAY GE TOO FEW - SUB P,[1,,1] -BNDEM3: HRRZ C,@E.ARGL+1(TB) ; CDR THHE ARGS - MOVEM C,E.ARGL+1(TB) - PUSHJ P,PSHAB4 ; PUSH VALUE AND SLOTS - PUSHJ P,CHDCL ; CHECK DCLS - JRST BNDEM ; AND BIND ON! - -; HERE WHEN ARGS RUN OUT, IF NOT OPTIONAL, GIVE TFA - -TFACH1: POP P,A -TFACHK: SUB TP,[2,,2] ; FLUSH ATOM - SKIPN (P) ; SKIP IF OPTIONALS - JRST TFA -CCPOPJ: SUB P,[1,,1] - POPJ P, - -BNDEM4: HRRZ C,@E.ARGL+1(TB) ; POINT TO REST OF ARGL - JRST CCPOPJ - - -; EVALUATE LISTS, VECTORS, UNIFROM VECTORS - -EVLIST: PUSH P,[-1] ;-1 -- THIS IS A LIST - JRST EVL1 ;GO TO HACKER - -EVECT: PUSH P,[0] ;0 -- THIS IS A GENERAL VECTOR - JRST EVL1 - -EUVEC: PUSH P,[1] ;1 -- THIS IS A UNIFORM VECTOR - -EVL1: PUSH P,[0] ;PUSH A COUNTER - GETYPF A,(AB) ;GET FULL TYPE - PUSH TP,A - PUSH TP,1(AB) ;AND VALUE - -EVL2: INTGO ;CHECK INTERRUPTS - SKIPN A,1(TB) ;ANYMORE - JRST EVL3 ;NO, QUIT - SKIPL -1(P) ;SKIP IF LIST - JUMPG A,EVL3 ;JUMP IF VECTOR EMPTY - GETYPF B,(A) ;GET FULL TYPE - SKIPGE C,-1(P) ;SKIP IF NOT LIST - HLLZS B ;CLOBBER CDR FIELD - JUMPG C,EVL7 ;HACK UNIFORM VECS -EVL8: PUSH P,B ;SAVE TYPE WORD ON P - CAMN B,$TSEG ;SEGMENT? - MOVSI B,TFORM ;FAKE OUT EVAL - PUSH TP,B ;PUSH TYPE - PUSH TP,1(A) ;AND VALUE - JSP E,CHKARG ; CHECK DEFER - MCALL 1,EVAL ;AND EVAL IT - POP P,C ;AND RESTORE REAL TYPE - CAMN C,$TSEG ;SEGMENT? - JRST DOSEG ;YES, HACK IT - AOS (P) ;COUNT ELEMENT - PUSH TP,A ;AND PUSH IT - PUSH TP,B -EVL6: SKIPGE A,-1(P) ;DONT SKIP IF LIST - HRRZ B,@1(TB) ;CDR IT - JUMPL A,ASTOTB ;AND STORE IT - MOVE B,1(TB) ;GET VECTOR POINTER - ADD B,AMNT(A) ;INCR BY APPROPRIATE AMOUNT -ASTOTB: MOVEM B,1(TB) ;AND STORE BACK - JRST EVL2 ;AND LOOP BACK - -AMNT: 2,,2 ;INCR FOR GENERAL VECTOR - 1,,1 ;SAME FOR UNIFORM VECTOR - -CHKARG: GETYP A,-1(TP) - CAIE A,TDEFER - JRST (E) - HRRZS (TP) ;MAKE SURE INDIRECT WINS - MOVE A,@(TP) - MOVEM A,-1(TP) ;CLOBBER IN TYPE SLOT - MOVE A,(TP) ;NOW GET POINTER - MOVE A,1(A) ;GET VALUE - MOVEM A,(TP) ;CLOBBER IN - JRST (E) - - - -EVL7: HLRE C,A ; FIND TYPE OF UVECTOR - SUBM A,C ;C POINTS TO DOPE WORD - GETYP B,(C) ;GET TYPE - MOVSI B,(B) ;TO LH NOW - SOJA A,EVL8 ;AND RETURN TO DO EVAL - -EVL3: SKIPL -1(P) ;SKIP IF LIST - JRST EVL4 ;EITHER VECTOR OR UVECTOR - - MOVEI B,0 ;GET A NIL -EVL9: MOVSI A,TLIST ;MAKE TYPE WIN -EVL5: SOSGE (P) ;COUNT DOWN - JRST EVL10 ;DONE, RETURN - PUSH TP,$TLIST ;SET TO CALL CONS - PUSH TP,B - MCALL 2,CONS - JRST EVL5 ;LOOP TIL DONE - - -EVL4: MOVEI B,EUVECT ;UNIFORM CASE - SKIPG -1(P) ;SKIP IF UNIFORM CASE - MOVEI B,EVECTO ;NO, GENERAL CASE - POP P,A ;GET COUNT - .ACALL A,(B) ;CALL CREATOR -EVL10: GETYPF A,(AB) ; USE SENT TYPE - JRST EFINIS - - -; PROCESS SEGMENTS FOR THESE HACKS - -DOSEG: PUSHJ P,TYPSEG ; FIND WHAT IS BEING SEGMENTED - JUMPE C,LSTSEG ; CHECK END SPLICE IF LIST - -SEG3: PUSHJ P,NXTELM ; GET THE NEXTE ELEMT - JRST SEG4 ; RETURN TO CALLER - AOS (P) ; COUNT - JRST SEG3 ; TRY AGAIN -SEG4: SETZM DSTO(PVP) - JRST EVL6 - -TYPSEG: PUSHJ P,TYPSGR - JRST ILLSEG - POPJ P, - -TYPSGR: MOVEM A,DSTO(PVP) ;WILL BECOME INTERRUPTABLE WITH GOODIE IN D - GETYP A,A ; TYPE TO RH - PUSHJ P,SAT ;GET STORAGE TYPE - MOVE D,B ; GOODIE TO D - - MOVNI C,1 ; C <0 IF ILLEGAL - CAIN A,S2WORD ;LIST? - MOVEI C,0 - CAIN A,S2NWORD ;GENERAL VECTOR? - MOVEI C,1 - CAIN A,SNWORD ;UNIFORM VECTOR? - MOVEI C,2 - CAIN A,SCHSTR - MOVEI C,3 - CAIN A,SSTORE ;SPECIAL AFREE STORAGE ? - MOVEI C,2 ;TREAT LIKE A UVECTOR - CAIN A,SARGS ;ARGS TUPLE? - JRST SEGARG ;NO, ERROR - CAILE A,NUMSAT ; SKIP IF NOT TEMPLATE - JRST SEGTMP - JUMPGE C,CPOPJ1 - SETZM DSTO(PVP) ; DON'T CONFUSE AGC LATER! - POPJ P, - -SEGTMP: MOVEI C,4 - HRRM A,DSTO(PVP) ; SAVE FOR HACKERS - JRST CPOPJ1 - -SEGARG: PUSH TP,DSTO(PVP) ;PREPARE TO CHECK ARGS - PUSH TP,D - SETZM DSTO(PVP) ;TYPE NOT SPECIAL - MOVEI B,-1(TP) ;POINT TO SAVED COPY - PUSHJ P,CHARGS ;CHECK ARG POINTER - POP TP,D ;AND RESTORE WINNER - POP TP,DSTO(PVP) ;AND TYPE AND FALL INTO VECTOR CODE - MOVEI C,1 - JRST CPOPJ1 - -LSTSEG: SKIPL -1(P) ;SKIP IF IN A LIST - JRST SEG3 ;ELSE JOIN COMMON CODE - HRRZ A,@1(TB) ;CHECK FOR END OF LIST - JUMPN A,SEG3 ;NO, JOIN COMMON CODE - SETZM DSTO(PVP) ;CLOBBER SAVED GOODIES - JRST EVL9 ;AND FINISH UP - -NXTELM: INTGO - PUSHJ P,NXTLM ; GOODIE TO A AND B - POPJ P, ; DONE - PUSH TP,A - PUSH TP,B - JRST CPOPJ1 -NXTLM: XCT TESTR(C) ; SKIP IF MORE IN SEGEMNT - POPJ P, - XCT TYPG(C) ; GET THE TYPE - XCT VALG(C) ; AND VALUE - JSP E,CHKAB ; CHECK DEFERRED - XCT INCR1(C) ; AND INCREMENT TO NEXT -CPOPJ1: AOS (P) ; SKIP RETURN - POPJ P, - -; TABLES FOR SEGMENT OPERATIONS (0->LIST, 1->VECTOR/ARGS, 2->UVEC, 3->STRING) - -TESTR: SKIPN D - SKIPL D - SKIPL D - PUSHJ P,CHRDON - PUSHJ P,TM1 - -TYPG: PUSHJ P,LISTYP - GETYPF A,(D) - PUSHJ P,UTYPE - MOVSI A,TCHRS - PUSHJ P,TM2 - -VALG: MOVE B,1(D) - MOVE B,1(D) - MOVE B,(D) - PUSHJ P,1CHGT - PUSHJ P,TM3 - -INCR1: HRRZ D,(D) - ADD D,[2,,2] - ADD D,[1,,1] - PUSHJ P,1CHINC - ADD D,[1,,] - -TM1: HRRZ A,DSTO(PVP) ; GET SAT - SUBI A,NUMSAT+1 - ADD A,TD.LNT+1(TVP) - EXCH C,D - XCT (A) - HLRZ 0,C ; GET AMNT RESTED - SUB B,0 - EXCH C,D - TRNE B,-1 - AOS (P) - POPJ P, - -TM3: -TM2: HRRZ 0,DSTO(PVP) - PUSH P,C - PUSH P,D - PUSH P,E - MOVE B,D - MOVEI C,0 ; GET "1ST ELEMENT" - PUSHJ P,TMPLNT ; GET NTH IN A AND B - POP P,E - POP P,D - POP P,C - POPJ P, - - -CHRDON: HRRZ B,DSTO(PVP) ; POIT TO DOPE WORD - JUMPE B,CHRFIN - AOS (P) -CHRFIN: POPJ P, - -LISTYP: GETYP A,(D) - MOVSI A,(A) - POPJ P, -1CHGT: MOVE B,D - ILDB B,B - POPJ P, - -1CHINC: SOS DSTO(PVP) - IBP D - POPJ P, - -UTYPE: HLRE A,D - SUBM D,A - GETYP A,(A) - MOVSI A,(A) - POPJ P, - - -;COMPILER's CALL TO DOSEG -SEGMNT: PUSHJ P,TYPSEG -SEGLP1: SETZB A,B -SEGLOP: PUSHJ P,NXTELM - JRST SEGRET - AOS (P)-2 ; INCREMENT COMPILER'S COUNT - JRST SEGLOP - -SEGRET: SETZM DSTO(PVP) - POPJ P, - -SEGLST: PUSHJ P,TYPSEG - JUMPN C,SEGLS2 -SEGLS3: SETZM DSTO(PVP) - MOVSI A,TLIST -SEGLS1: SOSGE -2(P) ; START COUNT DOWN - POPJ P, - MOVEI E,(B) - POP TP,D - POP TP,C - PUSHJ P,ICONS - JRST SEGLS1 - -SEGLS2: PUSHJ P,NXTELM - JRST SEGLS4 - AOS -2(P) - JRST SEGLS2 - -SEGLS4: MOVEI B,0 - JRST SEGLS3 - - -;SPECBIND BINDS IDENTIFIERS. IT IS CALLED BY PUSHJ P,SPECBIND. -;SPECBIND IS PROVIDED WITH A CONTIGUOUS SET OF TRIPLETS ON TP. -;EACH TRIPLET IS AS FOLLOWS: -;THE FIRST ELEMENT IS THE IDENTIFIER TO BE BOUND, ITS TYPE WORD IS [TATOM,,-1], -;THE SECOND IS THE VALUE TO WHICH IT IS TO BE ASSIGNED, -;AND THE THIRD IS A PAIR OF ZEROES. - -BNDA1: TATOM,,-2 -BNDA: TATOM,,-1 -BNDV: TVEC,,-1 - -USPECBIND: - MOVE E,TP -USPCBE: PUSH P,$TUBIND - JRST .+3 - -SPECBIND: - MOVE E,TP ;GET THE POINTER TO TOP -SPECBE: PUSH P,$TBIND - ADD E,[1,,1] ;BUMP POINTER ONCE - SETZB 0,D ;CLEAR TEMPS - PUSH P,0 - MOVEI 0,(TB) ; FOR CHECKS - -BINDLP: MOVE A,-4(E) ; CHECK FOR VEC BIND - CAMN A,BNDV - JRST NONID - MOVE A,-6(E) ;GET TYPE - CAME A,BNDA1 ; FOR UNSPECIAL - CAMN A,BNDA ;NORMAL ID BIND? - CAILE 0,-6(E) ; MAKE SURE NOT GOING UNDER FRAME - JRST SPECBD - SUB E,[6,,6] ;MOVE PTR - SKIPE D ;LINK? - HRRM E,(D) ;YES -- LOBBER - SKIPN (P) ;UPDATED? - MOVEM E,(P) ;NO -- DO IT - - MOVE A,0(E) ;GET ATOM PTR - MOVE B,1(E) - PUSHJ P,ILOC ;GET LAST BINDING - MOVS A,OTBSAV (TB) ;GET TIME - HRL A,5(E) ; GET DECL POINTER - MOVEM A,4(E) ;CLOBBER IT AWAY - MOVE A,(E) ; SEE IF SPEC/UNSPEC - TRNN A,1 ; SKIP, ALWAYS SPEC - SKIPA A,-1(P) ; USE SUPPLIED - MOVSI A,TBIND - MOVEM A,(E) ;IDENTIFY AS BIND BLOCK - HRRZ C,SPBASE(PVP) ; CHECK FOR CROSS OF PROC - MOVEI A,(TP) - CAIL A,(B) ; LOSER - CAILE C,(B) ; SKIP IFF WINNER - JRST .+2 - MOVEM B,5(E) ;IN RESTORE CELLS - - MOVE C,1(E) ;GET ATOM PTR - MOVEI A,(C) - MOVEI B,0 ; FOR SPCUNP - CAIL A,HIBOT ; SKIP IF IMPURE ATOM - PUSHJ P,SPCUNP - HRRZ A,BINDID+1(PVP) ;GET PROCESS NUMBER - HRLI A,TLOCI ;MAKE LOC PTR - MOVE B,E ;TO NEW VALUE - ADD B,[2,,2] - MOVEM A,(C) ;CLOBBER ITS VALUE - MOVEM B,1(C) ;CELL - MOVE D,E ;REMEMBER LINK - JRST BINDLP ;DO NEXT - -NONID: CAILE 0,-4(E) - JRST SPECBD - SUB E,[4,,4] - SKIPE D - HRRM E,(D) - SKIPN (P) - MOVEM E,(P) - - MOVE D,1(E) ;GET PTR TO VECTOR - MOVE C,(D) ;EXCHANGE TYPES - EXCH C,2(E) - MOVEM C,(D) - - MOVE C,1(D) ;EXCHANGE DATUMS - EXCH C,3(E) - MOVEM C,1(D) - - MOVEI A,TBVL - HRLM A,(E) ;IDENTIFY BIND BLOCK - MOVE D,E ;REMEMBER LINK - JRST BINDLP - -SPECBD: SKIPE D - HRRM SP,(D) - SKIPE D,(P) - MOVE SP,D - SUB P,[2,,2] - POPJ P, - - -; HERE TO IMPURIFY THE ATOM - -SPCUNP: PUSH TP,$TSP - PUSH TP,E - PUSH TP,$TSP - PUSH TP,-1(P) ; LINK BACK IS AN SP - PUSH TP,$TSP - PUSH TP,B - MOVE B,C - PUSHJ P,IMPURIFY - MOVE 0,-2(TP) ; RESTORE LINK BACK POINTER - MOVEM 0,-1(P) - MOVE E,-4(TP) - MOVE C,B - MOVE B,(TP) - SUB TP,[6,,6] - MOVEI 0,(TB) - POPJ P, - -; ENTRY FROM COMPILER TO SET UP A BINDING - -IBIND: SUBI E,-5(SP) ; CHANGE TO PDL POINTER - HRLI E,(E) - ADD E,SP - MOVEM C,-4(E) - MOVEM A,-3(E) - MOVEM B,-2(E) - HRLOI A,TATOM - MOVEM A,-5(E) - MOVSI A,TLIST - MOVEM A,-1(E) - MOVEM D,(E) - JRST SPECB1 ; NOW BIND IT - -; "FAST CALL TO SPECBIND" - - - -; Compiler's call to SPECBIND all atom bindings, no TBVLs etc. - -SPECBND: - MOVE E,TP ; POINT TO BINDING WITH E -SPECB1: PUSH P,[0] ; SLOTS OF INTEREST - PUSH P,[0] - SUBM M,-2(P) - -SPECB2: MOVEI 0,(TB) ; FOR FRAME CHECK - MOVE A,-5(E) ; LOOK AT FIRST THING - CAMN A,BNDA ; SKIP IF LOSER - CAILE 0,-5(E) ; SKIP IF REAL WINNER - JRST SPECB3 - - SUB E,[5,,5] ; POINT TO BINDING - SKIPE A,(P) ; LINK? - HRRM E,(A) ; YES DO IT - SKIPN -1(P) ; FIRST ONE? - MOVEM E,-1(P) ; THIS IS IT - - MOVE A,1(E) ; POINT TO ATOM - MOVE 0,BINDID+1(PVP) ; QUICK CHECK - HRLI 0,TLOCI - CAMN 0,(A) ; WINNERE? - JRST SPECB4 ; YES, GO ON - - PUSH P,B ; SAVE REST OF ACS - PUSH P,C - PUSH P,D - MOVE B,A ; FOR ILOC TO WORK - PUSHJ P,ILOC ; GO LOOK IT UP - HRRZ C,SPBASE+1(PVP) - MOVEI A,(TP) - CAIL A,(B) ; SKIP IF LOSER - CAILE C,(B) ; SKIP IF WINNER - MOVEI B,0 ; SAY NO BACK POINTER - MOVE C,1(E) ; POINT TO ATOM - MOVEI A,(C) ; PURE ATOM? - CAIGE A,HIBOT ; SKIP IF OK - JRST .+4 - PUSH P,-4(P) ; MAKE HAPPINESS - PUSHJ P,SPCUNP ; IMPURIFY - POP P,-5(P) - MOVE A,BINDID+1(PVP) - HRLI A,TLOCI - MOVEM A,(C) ; STOR POINTER INDICATOR - MOVE A,B - POP P,D - POP P,C - POP P,B - JRST SPECB5 - -SPECB4: MOVE A,1(A) ; GET LOCATIVE -SPECB5: EXCH A,5(E) ; CLOBBER INTO REBIND SLOT (GET DECL) - HLL A,OTBSAV(TB) ; TIME IT - MOVSM A,4(E) ; SAVE DECL AND TIME - MOVEI A,TBIND - HRLM A,(E) ; CHANGE TO A BINDING - MOVE A,1(E) ; POINT TO ATOM - MOVEM E,(P) ; REMEMBER THIS GUY - ADD E,[2,,2] ; POINT TO VAL CELL - MOVEM E,1(A) ; INTO ATOM SLOT - SUB E,[3,,3] ; POINT TO NEXT ONE - JRST SPECB2 - -SPECB3: SKIPE A,(P) - HRRM SP,(A) ; LINK OLD STUFF - SKIPE A,-1(P) ; NEW SP? - MOVE SP,A - SUB P,[2,,2] - INTGO ; IN CASE BLEW STACK - SUBM M,(P) - POPJ P, - - -;SPECSTORE RESTORES THE BINDINGS SP TO THE ENVIRONMENT POINTER IN -;SPSAV (TB). IT IS CALLED BY PUSHJ P,SPECSTORE. - -SPECSTORE: - PUSH P,E - HRRZ E,SPSAV (TB) ;GET TARGET POINTER - PUSHJ P,STLOOP - POP P,E - MOVE SP,SPSAV(TB) ; GET NEW SP - POPJ P, - -STLOOP: PUSH P,D - PUSH P,C - -STLOO1: CAIL E,(SP) ;ARE WE DONE? - JRST STLOO2 - HLRZ C,(SP) ;GET TYPE OF BIND - CAIN C,TUBIND - JRST .+3 - CAIE C,TBIND ;NORMAL IDENTIFIER? - JRST ISTORE ;NO -- SPECIAL HACK - - - MOVE C,1(SP) ;GET TOP ATOM - MOVSI 0,TLOCI ; MAYBE LOCI OR UNBOUND - SKIPN D,5(SP) - MOVSI 0,TUNBOU - - HRR 0,BINDID+1(PVP) ;STORE SIGNATURE - MOVEM 0,(C) ;CLOBBER INTO ATOM - MOVEM D,1(C) - SETZM 4(SP) -SPLP: HRRZ SP,(SP) ;FOLOW LINK - JUMPN SP,STLOO1 ;IF MORE - SKIPE E ; OK IF E=0 - FATAL SP OVERPOP -STLOO2: POP P,C - POP P,D - POPJ P, - -ISTORE: CAIE C,TBVL - JRST CHSKIP - MOVE C,1(SP) - MOVE D,2(SP) - MOVEM D,(C) - MOVE D,3(SP) - MOVEM D,1(C) - JRST SPLP - -CHSKIP: CAIN C,TSKIP - JRST SPLP - CAIE C,TUNWIN ; UNWIND HACK - FATAL BAD SP - HRRZ C,-2(P) ; WHERE FROM? - CAIE C,CHUNPC - JRST SPLP ; IGNORE - MOVEI E,(TP) ; FIXUP SP - SUBI E,(SP) - MOVSI E,(E) - HLL SP,TP - SUB SP,E - POP P,C - POP P,D - AOS (P) - POPJ P, - -; ENTRY FOR FUNNY COMPILER UNBIND (1) - -SSPECS: PUSH P,E - MOVEI E,(TP) - PUSHJ P,STLOOP -SSPEC2: SUBI E,(SP) ; MAKE SP BE AOBJN - MOVSI E,(E) - HLL SP,TP - SUB SP,E - POP P,E - POPJ P, - -; ENTRY FOR FUNNY COMPILER UNBIND (2) - -SSPEC1: PUSH P,E - SUBI E,1 ; MAKE SURE GET CURRENT BINDING - PUSHJ P,STLOOP ; UNBIND - MOVEI E,(TP) ; NOW RESET SP - JRST SSPEC2 - EFINIS: SKIPN C,1STEPR+1(PVP) ; SKIP NIF BEING ONE PROCEEDED - JRST FINIS - PUSH TP,$TATOM - PUSH TP,MQUOTE EVLOUT - PUSH TP,A ;SAVE EVAL RESULTS - PUSH TP,B - PUSH TP,[TINFO,,2] ; FENCE POST - PUSHJ P,TBTOTP - PUSH TP,D - PUSHJ P,MAKINF ; MAKE ARG BLOCK INFO - PUSH TP,A - MOVEI B,-6(TP) - HRLI B,-4 ; AOBJN TO ARGS BLOCK - PUSH TP,B - PUSH TP,1STEPR(PVP) - PUSH TP,1STEPR+1(PVP) ; PROCESS DOING THE 1STEPPING - MCALL 2,RESUME - MOVE A,-3(TP) ; GET BACK EVAL VALUE - MOVE B,-2(TP) - JRST FINIS - -1STEPI: PUSH TP,$TATOM - PUSH TP,MQUOTE EVLIN - PUSH TP,$TAB ; PUSH EVALS ARGGS - PUSH TP,AB - PUSHJ P,MAKINF ; TURN INTO ARGS BLOCK - MOVEM A,-1(TP) ; AND CLOBBER - PUSH TP,[TINFO,,2] ; FENCE POST 2D TUPLE - PUSHJ P,TBTOTP - PUSH TP,D - PUSHJ P,MAKINF ; TURN IT INTO ARGS BLOCK - PUSH TP,A - MOVEI B,-6(TP) ; SETUP TUPLE - HRLI B,-4 - PUSH TP,B - PUSH TP,1STEPR(PVP) - PUSH TP,1STEPR+1(PVP) - MCALL 2,RESUME ; START UP 1STEPERR - SUB TP,[6,,6] ; REMOVE CRUD - GETYP A,A ; GET 1STEPPERS TYPE - CAIE A,TDISMI ; IF DISMISS, STOP 1 STEPPING - JRST EVALON - -; HERE TO PUSH DOWN THE 1 STEP STATE AND RUN - - MOVE D,PVP - ADD D,[1STEPR,,1STEPR] ; POINT TO 1 STEP SLOT - PUSH TP,$TSP ; SAVE CURRENT SP - PUSH TP,SP - PUSH TP,BNDV - PUSH TP,D ; BIND IT - PUSH TP,$TPVP - PUSH TP,[0] ; NO 1 STEPPER UNTIL POPJ - PUSHJ P,SPECBIND - -; NOW PUSH THE ARGS UP TO RE-CALL EVAL - - MOVEI A,0 -EFARGL: JUMPGE AB,EFCALL - PUSH TP,(AB) - PUSH TP,1(AB) - ADD AB,[2,,2] - AOJA A,EFARGL - -EFCALL: ACALL A,EVAL ; NOW DO THE EVAL - MOVE C,(TP) ; PRE-UNBIND - MOVEM C,1STEPR+1(PVP) - MOVE SP,-4(TP) ; AVOID THE UNBIND - SUB TP,[6,,6] ; AND FLUSH LOSERS - JRST EFINIS ; AND TRY TO FINISH UP - -MAKINF: HLRZ A,OTBSAV(TB) ; TIME IT - HRLI A,TARGS - POPJ P, - - -TBTOTP: MOVEI D,(TB) ; COMPUTE REL DIST FROM TP TO TB - SUBI D,(TP) - POPJ P, -; ARRIVE HERE TO COMPLETE A COMPILER GENERATED TUPLE -; D/ LENGTH OF THE TUPLE IN WORDS - -MAKTU2: MOVE D,-1(P) ; GET LENGTH -MAKTUP: HRLI D,TINFO ; FIRST WORD OF FENCE POST - PUSH TP,D - HRROI B,(TP) ; TOP OF TUPLE - SUBI B,(D) - TLC B,-1(D) ; AOBJN IT - PUSHJ P,TBTOTP - PUSH TP,D - HLRZ A,OTBSAV(TB) ; TIME IT - HRLI A,TARGS - POPJ P, - -; HERE TO ALLOCATE SLOTS FOR COMPILER (AMNT IN A) - -TPALOC: HRLI A,(A) - ADD TP,A - SKIPL TP - PUSHJ P,TPOVFL ; IN CASE IT LOST - INTGO ; TAKE THE GC IF NEC - PUSH P,A - HRRI A,2(TP) - SUB A,(P) - SETZM -1(A) - HRLI A,-1(A) - BLT A,(TP) - SUB P,[1,,1] - POPJ P, - -NTPALO: PUSH TP,[0] - SOJG 0,.-1 - POPJ P, - - ;EVALUATES A IDENTIFIER -- GETS LOCAL VALUE IF THERE IS ONE, OTHERWISE GLOBAL. - -MFUNCTION VALUE,SUBR - JSP E,CHKAT - PUSHJ P,IDVAL - JRST FINIS - -IDVAL: PUSHJ P,IDVAL1 - CAMN A,$TUNBOU - JRST UNBOU - POPJ P, - -IDVAL1: PUSH TP,A - PUSH TP,B ;SAVE ARG IN CASE NEED TO CHECK GLOBAL VALUE - PUSHJ P,ILVAL ;LOCAL VALUE FINDER - CAME A,$TUNBOUND ;IF NOT UNBOUND OR UNASSIGNED - JRST RIDVAL ;DONE - CLEAN UP AND RETURN - POP TP,B ;GET ARG BACK - POP TP,A - JRST IGVAL -RIDVAL: SUB TP,[2,,2] - POPJ P, - -;GETS THE LOCAL VALUE OF AN IDENTIFIER - -MFUNCTION LVAL,SUBR - JSP E,CHKAT - PUSHJ P,AILVAL - CAME A,$TUNBOUND - JRST FINIS - JUMPN B,UNAS - JRST UNBOU - -; MAKE AN ATOM UNASSIGNED - -MFUNCTION UNASSIGN,SUBR - JSP E,CHKAT ; GET ATOM ARG - PUSHJ P,AILOC -UNASIT: CAMN A,$TUNBOU ; IF UNBOUND - JRST RETATM - MOVSI A,TUNBOU - MOVEM A,(B) - SETOM 1(B) ; MAKE SURE -RETATM: MOVE B,1(AB) - MOVE A,(AB) - JRST FINIS - -; UNASSIGN GLOBALLY - -MFUNCTION GUNASSIGN,SUBR - JSP E,CHKAT2 - PUSHJ P,IGLOC - CAMN A,$TUNBOU - JRST RETATM - MOVE B,1(AB) ; ATOM BACK - MOVEI 0,(B) - CAIL 0,HIBOT ; SKIP IF IMPURE - PUSHJ P,IMPURIFY ; YES, MAKE IT IMPURE - PUSHJ P,IGLOC ; RESTORE LOCATIVE - HRRZ 0,-2(B) ; SEE IF MANIFEST - GETYP A,(B) ; AND CURRENT TYPE - CAIN 0,-1 - CAIN A,TUNBOU - JRST UNASIT - SKIPE IGDECL - JRST UNASIT - MOVE D,B - JRST MANILO - -; GETS A LOCATIVE TO THE LOCAL VALUE OF AN IDENTIFIER. - -MFUNCTION LLOC,SUBR - JSP E,CHKAT - PUSHJ P,AILOC - CAMN A,$TUNBOUND - JRST UNBOU - MOVSI A,TLOCD - HRR A,2(B) - JRST FINIS - -;TESTS TO SEE IF AN IDENTIFIER IS LOCALLY BOUND - -MFUNCTION BOUND,SUBR,[BOUND?] - JSP E,CHKAT - PUSHJ P,AILVAL - CAMN A,$TUNBOUND - JUMPE B,IFALSE - JRST TRUTH - -;TESTS TO SEE IF AN IDENTIFIER IS LOCALLY ASSIGNED - -MFUNCTION ASSIGP,SUBR,[ASSIGNED?] - JSP E,CHKAT - PUSHJ P,AILVAL - CAME A,$TUNBOUND - JRST TRUTH -; JUMPE B,UNBOU - JRST IFALSE - -;GETS THE GLOBAL VALUE OF AN IDENTIFIER - -MFUNCTION GVAL,SUBR - JSP E,CHKAT2 - PUSHJ P,IGVAL - CAMN A,$TUNBOUND - JRST UNAS - JRST FINIS - -;GETS A LOCATIVE TO THE GLOBAL VALUE OF AN IDENTIFIER - -MFUNCTION GLOC,SUBR - - JUMPGE AB,TFA - CAMGE AB,[-5,,] - JRST TMA - JSP E,CHKAT1 - MOVEI E,IGLOC - CAML AB,[-2,,] - JRST .+4 - GETYP 0,2(AB) - CAIE 0,TFALSE - MOVEI E,IIGLOC - PUSHJ P,(E) - CAMN A,$TUNBOUND - JRST UNAS - MOVSI A,TLOCD - MOVE C,1(AB) ; GE ATOM - MOVEI 0,(C) - CAIGE 0,HIBOT ; SKIP IF PURE ATOM - JRST FINIS - -; MAKE ATOM AND VALUE IMPURE IF GETTING GLOC TO IT - - MOVE B,C ; ATOM TO B - PUSHJ P,IMPURIFY - JRST GLOC ; AND TRY AGAIN - -;TESTS TO SEE IF AN IDENTIFIER IS GLOBALLY ASSIGNED - -MFUNCTION GASSIG,SUBR,[GASSIGNED?] - JSP E,CHKAT2 - PUSHJ P,IGVAL - CAMN A,$TUNBOUND - JRST IFALSE - JRST TRUTH - -; TEST FOR GLOBALLY BOUND - -MFUNCTION GBOUND,SUBR,[GBOUND?] - - JSP E,CHKAT2 - PUSHJ P,IGLOC - JUMPE B,IFALSE - JRST TRUTH - - - -CHKAT2: ENTRY 1 -CHKAT1: GETYP A,(AB) - MOVSI A,(A) - CAME A,$TATOM - JRST NONATM - MOVE B,1(AB) - JRST 2,(E) - -CHKAT: HLRE A,AB ; - # OF ARGS - ASH A,-1 ; TO ACTUAL WORDS - JUMPGE AB,TFA - MOVE C,SP ; FOR BINDING LOOKUPS - AOJE A,CHKAT1 ; ONLY ONE ARG, NO ENVIRONMENT - AOJL A,TMA ; TOO MANY - GETYP A,2(AB) ; MAKE SURE OF TENV OR TFRAME - CAIE A,TFRAME - CAIN A,TENV - JRST CHKAT3 - CAIN A,TACT ; FOR PFISTERS LOSSAGE - JRST CHKAT3 - CAIE A,TPVP ; OR PROCESS - JRST WTYP2 - MOVE B,3(AB) ; GET PROCESS - MOVE C,SP ; IN CASE ITS ME - CAME B,PVP ; SKIP IF DIFFERENT - MOVE C,SPSTO+1(B) ; GET ITS SP - JRST CHKAT1 -CHKAT3: MOVEI B,2(AB) ; POINT TO FRAME POINTER - PUSHJ P,CHFRM ; VALIDITY CHECK - MOVE B,3(AB) ; GET TB FROM FRAME - MOVE C,SPSAV(B) ; GET ENVIRONMENT POINTER - JRST CHKAT1 - - - -;ILOC RETURNS IN A AND B A LOCATIVE TO THE LOCAL VALUE OF THE IDENTIFIER PASSED TO IT -;IN A AND B. IF THE IDENTIFIER IS LOCALLY UNBOUND IT RETURNS $TUNBOUND IN A AND 0 IN B, -; IT IS CALLED BY PUSHJ P,ILOC. - -ILOC: MOVE C,SP ; SETUP SEARCH START -AILOC: MOVSI A,TLOCI ;MAKE A LOCATIVE TYPE CELL - PUSH P,E - PUSH P,D - MOVEI E,0 ; FLAG TO CLOBBER ATOM - JUMPE B,SCHSP ; IF LOOKING FOR SLOT, SEARCH NOW - CAME C,SP ; ENVIRONMENT CHANGE? - JRST SCHSP ; YES, MUST SEARCH - HRR A,BINDID+1(PVP) ;FOR THE CURRENT PROCESS - CAME A,(B) ;IS THERE ONE IN THE VALUE CELL? - JRST SCHLP ;NO -- SEARCH THE LOCAL BINDINGS - MOVE B,1(B) ;YES -- GET LOCATIVE POINTER - MOVE C,PVP -ILCPJ: MOVE E,SPCCHK - TRNN E,1 ; SKIP IF DOING SPEC UNSPEC CHECK - JRST ILOCPJ - HLRZ E,-2(B) - CAIE E,TUBIND - JRST ILOCPJ - CAMGE B,CURFCN+1(PVP) - JRST UNPJ11 - MOVEI D,-2(B) - CAIG D,(SP) - CAMGE B,SPBASE+1(PVP) - JRST UNPJ11 -ILOCPJ: POP P,D - POP P,E - POPJ P, ;FROM THE VALUE CELL - -SCHLP: MOVEI D,(B) - CAIL D,HIBOT ; SKIP IF IMPURE ATOM -SCHSP: MOVEI E,1 ; DONT STORE LOCATIVE - - PUSH P,E ; PUSH SWITCH - MOVE E,PVP ; GET PROC -SCHLP1: JUMPE C,UNPJ ;IF NO MORE -- LOSE - CAMN B,1(C) ;ARE WE POINTING AT THE WINNER? - JRST SCHFND ;YES - GETYP D,(C) ; CHECK SKIP - CAIE D,TSKIP - JRST SCHLP2 - PUSH P,B ; CHECK DETOUR - MOVEI B,2(C) - PUSHJ P,CHFRAM ; NON-FATAL FRAME CHECKER - HRRZ E,2(C) ; CONS UP PROCESS - SUBI E,PVLNT*2+1 - HRLI E,-2*PVLNT - JUMPE B,SCHLP3 ; LOSER, FIX IT - POP P,B - MOVEI C,1(C) ; FOLLOW LOOKUP CHAIN -SCHLP2: HRRZ C,(C) ;FOLLOW LINK - JRST SCHLP1 - -SCHLP3: POP P,B - MOVEI C,(SP) ; *** NDR'S BUG *** - CAME E,PVP ; USE IF CURRENT PROCESS - HRRZ C,SPSTO+1(E) ; USE CURRENT SP FOR PROC - JRST SCHLP1 - -SCHFND: EXCH B,C ;SAVE THE ATOM PTR IN C - MOVEI B,2(B) ;MAKE UP THE LOCATIVE - SUB B,TPBASE+1(E) - HRLI B,(B) - ADD B,TPBASE+1(E) - EXCH C,E ; RET PROCESS IN C - POP P,D ; RESTORE SWITCH - - JUMPN D,ILOCPJ ; DONT CLOBBER ATOM - MOVEM A,(E) ;CLOBBER IT AWAY INTO THE - MOVEM B,1(E) ;ATOM'S VALUE CELL - JRST ILCPJ - -UNPJ: SUB P,[1,,1] ; FLUSH CRUFT -UNPJ1: MOVE C,E ; RET PROCESS ANYWAY -UNPJ11: POP P,D - POP P,E -UNPOPJ: MOVSI A,TUNBOUND - MOVEI B,0 - POPJ P, - -;IGLOC RETURNS IN A AND B A LOCATIVE TO THE GLOBAL VALUE OF THE -;IDENTIFIER PASSED TO IT IN A AND B. IF THE IDENTIFIER IS GLOBALLY -;UNBPOUND IT RETURNS $TUNBOUND IN A AND 0 IN B. IT IS CALLED BY PUSHJ P,IGLOC. - - -IGLOC: MOVSI A,TLOCI ;DO WE HAVE A LOCATIVE TO - CAME A,(B) ;A PROCESS #0 VALUE? - JRST SCHGSP ;NO -- SEARCH - MOVE B,1(B) ;YES -- GET VALUE CELL - POPJ P, - -SCHGSP: MOVE D,GLOBSP+1(TVP) ;GET GLOBAL SP PTR - -SCHG1: JUMPGE D,UNPOPJ ;IF NO MORE, LEAVE - CAMN B,1(D) ;ARE WE FOUND? - JRST GLOCFOUND ;YES - ADD D,[4,,4] ;NO -- TRY NEXT - JRST SCHG1 - -GLOCFOUND: - EXCH B,D ;SAVE ATOM PTR - ADD B,[2,,2] ;MAKE LOCATIVE - MOVEI 0,(D) - CAIL 0,HIBOT - POPJ P, - MOVEM A,(D) ;CLOBBER IT AWAY - MOVEM B,1(D) - POPJ P, - -IIGLOC: PUSH TP,$TATOM - PUSH TP,B - PUSHJ P,IGLOC - MOVE C,(TP) - SUB TP,[2,,2] - GETYP 0,A - CAIE 0,TUNBOU - POPJ P, - PUSH TP,$TATOM - PUSH TP,C - PUSHJ P,BSETG ; MAKE A SLOT - SETOM 1(B) ; UNBOUNDIFY IT - MOVSI A,TLOCD - MOVSI 0,TUNBOU - MOVEM 0,(B) - SUB TP,[2,,2] - POPJ P, - - - -;ILVAL RETURNS IN A AND B THE LOCAL VALUE OF THE IDENTIFIER PASSED TO IT IN A AND B -;IF THE IDENTIFIER IS UNBOUND ITS VALUE IS $TUNBOUND IN A AND 0 IN B. IF -;IT IS UNASSIGNED ITS VALUE IS $TUNBOUND IN A AND -1 IN B. CALL - PUSHJ P,IVAL - -AILVAL: - PUSHJ P,AILOC ; USE SUPPLIED SP - JRST CHVAL -ILVAL: - PUSHJ P,ILOC ;GET LOCATIVE TO VALUE -CHVAL: CAMN A,$TUNBOUND ;BOUND - POPJ P, ;NO -- RETURN - MOVSI A,TLOCD ; GET GOOD TYPE - HRR A,2(B) ; SHOULD BE TIME OR 0 - PUSH P,0 - PUSHJ P,RMONC0 ; CHECK READ MONITOR - POP P,0 - MOVE A,(B) ;GET THE TYPE OF THE VALUE - MOVE B,1(B) ;GET DATUM - POPJ P, - -;IGVAL -- LIKE ILVAL EXCEPT FOR GLOBAL VALUES - -IGVAL: PUSHJ P,IGLOC - JRST CHVAL - - - -; COMPILERS INTERFACE TO LVAL/GVAL/SETG/SET - -CILVAL: MOVE 0,BINDID+1(PVP) ; CURRENT BIND - HRLI 0,TLOCI - CAME 0,(B) ; HURRAY FOR SPEED - JRST CILVA1 ; TOO BAD - MOVE C,1(B) ; POINTER - MOVE A,(C) ; VAL TYPE - TLNE A,.RDMON ; MONITORS? - JRST CILVA1 - GETYP 0,A - CAIN 0,TUNBOU - JRST CUNAS ; COMPILER ERROR - MOVE B,1(C) ; GOT VAL - MOVE 0,SPCCHK - TRNN 0,1 - POPJ P, - HLRZ 0,-2(C) ; SPECIAL CHECK - CAIE 0,TUBIND - POPJ P, ; RETURN - CAMGE C,CURFCN+1(PVP) - JRST CUNAS - POPJ P, - -CUNAS: -CILVA1: SUBM M,(P) ; FIX (P) - PUSH TP,$TATOM ; SAVE ATOM - PUSH TP,B - MCALL 1,LVAL ; GET ERROR/MONITOR -MPOPJ: -POPJM: SUBM M,(P) ; REPAIR DAMAGE - POPJ P, - -; COMPILERS INTERFACE TO SET C/ ATOM A,B/ NEW VALUE - -CISET: MOVE 0,BINDID+1(PVP) ; CURRENT BINDING ENVIRONMENT - HRLI 0,TLOCI - CAME 0,(C) ; CAN WE WIN? - JRST CISET1 ; NO, MORE HAIR - MOVE D,1(C) ; POINT TO SLOT - HLLZ 0,(D) ; MON CHECK -CISET3: TLNE 0,.WRMON - JRST CISET4 ; YES, LOSE - TLZ 0,TYPMSK - IOR A,0 ; LEAVE MONITOR ON - MOVE 0,SPCCHK - TRNE 0,1 - JRST CISET5 ; SPEC/UNSPEC CHECK -CISET6: MOVEM A,(D) ; STORE - MOVEM B,1(D) - POPJ P, - -CISET5: HLRZ 0,-2(D) - CAIE 0,TUBIND - JRST CISET6 - CAMGE D,CURFCN+1(PVP) - JRST CISET4 - JRST CISET6 - -CISET1: SUBM M,(P) ; FIX ADDR - PUSH TP,$TATOM ; SAVE ATOM - PUSH TP,C - PUSH TP,A - PUSH TP,B - MOVE B,C ; GET ATOM - PUSHJ P,ILOC ; SEARCH - MOVE D,B ; POSSIBLE POINTER - GETYP E,A - MOVE 0,A - MOVE A,-1(TP) ; VAL BACK - MOVE B,(TP) - CAIE E,TUNBOU ; SKIP IF WIN - JRST CISET2 ; GO CLOBBER IT IN - MCALL 2,SET - JRST POPJM - -CISET2: MOVE C,-2(TP) ; ATOM BACK - SUBM M,(P) ; RESET (P) - SUB TP,[4,,4] - JRST CISET3 - -; HERE TO DO A MONITORED SET - -CISET4: SUBM M,(P) ; AGAIN FIX (P) - PUSH TP,$TATOM - PUSH TP,C - PUSH TP,A - PUSH TP,B - MCALL 2,SET - JRST POPJM - -; COMPILER LLOC - -CLLOC: MOVE 0,BINDID+1(PVP) ; GET CURRENT LOCATIVE - HRLI 0,TLOCI - CAME 0,(B) ; WIN? - JRST CLLOC1 - MOVE B,1(B) - MOVE 0,SPCCHK - TRNE 0,1 ; SKIP IF NOT CHECKING - JRST CLLOC9 -CLLOC3: MOVSI A,TLOCD - HRR A,2(B) ; GET BIND TIME - POPJ P, - -CLLOC1: SUBM M,(P) - PUSH TP,$TATOM - PUSH TP,B - PUSHJ P,ILOC ; LOOK IT UP - JUMPE B,CLLOC2 - SUB TP,[2,,2] -CLLOC4: SUBM M,(P) - JRST CLLOC3 - -CLLOC2: MCALL 1,LLOC - JRST CLLOC4 - -CLLOC9: HLRZ 0,-2(B) - CAIE 0,TUBIND - JRST CLLOC3 - CAMGE B,CURFCN+1(PVP) - JRST CLLOC2 - JRST CLLOC3 - -; COMPILER BOUND? - -CBOUND: SUBM M,(P) - PUSHJ P,ILOC - JUMPE B,PJFALS ; IF UNBOUND RET FALSE AND NO SSKIP -PJT1: SOS (P) - MOVSI A,TATOM - MOVE B,MQUOTE T - JRST POPJM - -PJFALS: MOVEI B,0 - MOVSI A,TFALSE - JRST POPJM - -; COMPILER ASSIGNED? - -CASSQ: SUBM M,(P) - PUSHJ P,ILOC - JUMPE B,PJFALS - GETYP 0,(B) - CAIE 0,TUNBOU - JRST PJT1 - JRST PJFALS - - -; COMPILER GVAL B/ ATOM - -CIGVAL: MOVE 0,(B) ; GLOBAL VAL HERE? - CAME 0,$TLOCI ; TIME=0 ,TYPE=TLOCI => GLOB VAL - JRST CIGVA1 ; NO, GO LOOK - MOVE C,1(B) ; POINT TO SLOT - MOVE A,(C) ; GET TYPE - TLNE A,.RDMON - JRST CIGVA1 - GETYP 0,A ; CHECK FOR UNBOUND - CAIN 0,TUNBOU ; SKIP IF WINNER - JRST CGUNAS - MOVE B,1(C) - POPJ P, - -CGUNAS: -CIGVA1: SUBM M,(P) - PUSH TP,$TATOM - PUSH TP,B - .MCALL 1,GVAL ; GET ERROR/MONITOR - JRST POPJM - -; COMPILER INTERFACET TO SETG - -CSETG: MOVE 0,(C) ; GET V CELL - CAME 0,$TLOCI ; SKIP IF FAST - JRST CSETG1 - HRRZ D,1(C) ; POINT TO SLOT - MOVE 0,(D) ; OLD VAL -CSETG3: CAIG D,HIBOT ; SKIP IF PURE ATOM - TLNE 0,.WRMON ; MONITOR - JRST CSETG2 - MOVEM A,(D) - MOVEM B,1(D) - POPJ P, - -CSETG1: SUBM M,(P) ; FIX UP P - PUSH TP,$TATOM - PUSH TP,C - PUSH TP,A - PUSH TP,B - MOVE B,C - PUSHJ P,IGLOC ; FIND GLOB LOCATIVE - GETYP E,A - MOVE 0,A - MOVEI D,(B) ; SETUP TO RESTORE NEW VAL - MOVE A,-1(TP) - MOVE B,(TP) - CAIE E,TUNBOU - JRST CSETG4 - MCALL 2,SETG - JRST POPJM - -CSETG4: MOVE C,-2(TP) ; ATOM BACK - SUBM M,(P) ; RESET (P) - SUB TP,[4,,4] - JRST CSETG3 - -CSETG2: SUBM M,(P) - PUSH TP,$TATOM ; CAUSE A SETG MONITOR - PUSH TP,C - PUSH TP,A - PUSH TP,B - MCALL 2,SETG - JRST POPJM - -; COMPILER GLOC - -CGLOC: MOVE 0,(B) ; GET CURRENT GUY - CAME 0,$TLOCI ; WIN? - JRST CGLOC1 ; NOPE - HRRZ D,1(B) ; POINT TO SLOT - CAILE D,HIBOT ; PURE? - JRST CGLOC1 - MOVE A,$TLOCD - MOVE B,1(B) - POPJ P, - -CGLOC1: SUBM M,(P) - PUSH TP,$TATOM - PUSH TP,B - MCALL 1,GLOC - JRST POPJM - -; COMPILERS GASSIGNED? - -CGASSQ: MOVE 0,(B) - SUBM M,(P) - CAMN 0,$TLOCD - JRST PJT1 - PUSHJ P,IGLOC - JUMPE B,PJFALS - GETYP 0,(B) - CAIE 0,TUNBOU - JRST PJT1 - JRST PJFALS - -; COMPILERS GBOUND? - -CGBOUN: MOVE 0,(B) - SUBM M,(P) - CAMN 0,$TLOCD - JRST PJT1 - PUSHJ P,IGLOC - JUMPE B,PJFALS - JRST PJT1 - - -MFUNCTION REP,FSUBR,[REPEAT] - JRST PROG -MFUNCTION PROG,FSUBR - ENTRY 1 - GETYP A,(AB) ;GET ARG TYPE - CAIE A,TLIST ;IS IT A LIST? - JRST WRONGT ;WRONG TYPE - SKIPN C,1(AB) ;GET AND CHECK ARGUMENT - JRST TFA ;TOO FEW ARGS - SETZB E,D ; INIT HEWITT ATOM AND DECL - PUSHJ P,CARATC ; IS 1ST THING AN ATOM - JFCL - PUSHJ P,RSATY1 ; CDR AND GET TYPE - CAIE 0,TLIST ; MUST BE LIST - JRST MPD.13 - MOVE B,1(C) ; GET ARG LIST - PUSH TP,$TLIST - PUSH TP,C - PUSHJ P,RSATYP - CAIE 0,TDECL - JRST NOP.DC ; JUMP IF NO DCL - MOVE D,1(C) - MOVEM C,(TP) - PUSHJ P,RSATYP ; CDR ON -NOP.DC: PUSH TP,$TLIST - PUSH TP,B ; AND ARG LIST - PUSHJ P,PRGBND ; BIND AUX VARS - MOVE E,MQUOTE LPROG,[LPROG ]INTRUP - PUSHJ P,MAKACT ; MAKE ACTIVATION - PUSHJ P,PSHBND ; BIND AND CHECK - PUSHJ P,SPECBI ; NAD BIND IT - -; HERE TO RUN PROGS FUNCTIONS ETC. - -DOPROG: MOVEI A,REPROG - HRLI A,TDCLI ; FLAG AS FUNNY - MOVEM A,(TB) ; WHERE TO AGAIN TO - MOVE C,1(TB) - MOVEM C,3(TB) ; RESTART POINTER - JRST .+2 ; START BY SKIPPING DECL - -DOPRG1: PUSHJ P,FASTEV - HRRZ C,@1(TB) ;GET THE REST OF THE BODY -DOPRG2: MOVEM C,1(TB) - JUMPN C,DOPRG1 -ENDPROG: - HRRZ C,FSAV(TB) - CAIN C,REP -REPROG: SKIPN C,@3(TB) - JRST PFINIS - HRRZM C,1(TB) - INTGO - MOVE C,1(TB) - JRST DOPRG1 - - -PFINIS: GETYP 0,(TB) - CAIE 0,TDCLI ; DECL'D ? - JRST PFINI1 - HRRZ 0,(TB) ; SEE IF RSUBR - JUMPE 0,RSBVCK ; CHECK RSUBR VALUE - HRRZ C,3(TB) ; GET START OF FCN - GETYP 0,(C) ; CHECK FOR DECL - CAIE 0,TDECL - JRST PFINI1 ; NO, JUST RETURN - MOVE E,MQUOTE VALUE - PUSHJ P,PSHBND ; BUILD FAKE BINDING - MOVE C,1(C) ; GET DECL LIST - MOVE E,TP - PUSHJ P,CHKDCL ; AND CHECK IT - MOVE A,-3(TP) ; GET VAL BAKC - MOVE B,-2(TP) - SUB TP,[6,,6] - -PFINI1: HRRZ C,FSAV(TB) - CAIE C,EVAL - JRST FINIS - JRST EFINIS - -RSATYP: HRRZ C,(C) -RSATY1: JUMPE C,TFA - GETYP 0,(C) - POPJ P, - -; HERE TO CHECK RSUBR VALUE - -RSBVCK: PUSH TP,A - PUSH TP,B - MOVE C,A - MOVE D,B - MOVE A,1(TB) ; GET DECL - MOVE B,1(A) - HLLZ A,(A) - PUSHJ P,TMATCH - JRST RSBVC1 - POP TP,B - POP TP,A - POPJ P, - -RSBVC1: MOVE C,1(TB) - POP TP,B - POP TP,D - MOVE A,MQUOTE VALUE - JRST TYPMIS - - -MFUNCTION MRETUR,SUBR,[RETURN] - ENTRY - HLRE A,AB ; GET # OF ARGS - ASH A,-1 ; TO NUMBER - AOJL A,RET2 ; 2 OR MORE ARGS - PUSHJ P,PROGCH ;CHECK IN A PROG - PUSH TP,A - PUSH TP,B - MOVEI B,-1(TP) ; VERIFY IT -COMRET: PUSHJ P,CHFSWP - SKIPL C ; ARGS? - MOVEI C,0 ; REAL NONE - PUSHJ P,CHUNW - JUMPN A,CHFINI ; WINNER - MOVSI A,TATOM - MOVE B,MQUOTE T - -; SEE IF MUST CHECK RETURNS TYPE - -CHFINI: GETYP 0,(TB) ; SPECIAL TYPE IF SO - CAIE 0,TDCLI - JRST FINIS ; NO, JUST FINIS - MOVEI 0,PFINIS ; CAUSE TO FALL INTO FUNCTION CODE - HRRM 0,PCSAV(TB) - JRST CONTIN - - -RET2: AOJL A,TMA - GETYP A,(AB)+2 - CAIE A,TACT ; AS FOR "EXIT" SHOULD BE ACTIVATION - JRST WTYP2 - MOVEI B,(AB)+2 ; ADDRESS OF FRAME POINTER - JRST COMRET - - - -MFUNCTION AGAIN,SUBR - ENTRY - HLRZ A,AB ;GET # OF ARGS - CAIN A,-2 ;1 ARG? - JRST NLCLA ;YES - JUMPN A,TMA ;0 ARGS? - PUSHJ P,PROGCH ;CHECK FOR IN A PROG - PUSH TP,A - PUSH TP,B - JRST AGAD -NLCLA: GETYP A,(AB) - CAIE A,TACT - JRST WTYP1 - PUSH TP,(AB) - PUSH TP,1(AB) -AGAD: MOVEI B,-1(TP) ; POINT TO FRAME - PUSHJ P,CHFSWP - HRRZ C,(B) ; GET RET POINT -GOJOIN: PUSH TP,$TFIX - PUSH TP,C - MOVEI C,-1(TP) - PUSHJ P,CHUNW ; RESTORE FRAME, UNWIND IF NEC. - HRRZM B,PCSAV(TB) - HRRZ 0,FSAV(TB) ; CHECK FOR RSUBR - CAMGE 0,VECTOP - CAMG 0,VECBOT - JRST CONTIN - HRRZ E,1(TB) - PUSH TP,$TFIX - PUSH TP,B - MOVEI C,-1(TP) - MOVEI B,(TB) - PUSHJ P,CHUNW1 - MOVE TP,1(TB) - MOVEM SP,SPSAV(TB) - MOVEM TP,TPSAV(TB) - MOVE C,OTBSAV(TB) ; AND RESTORE P FROM FATHER - MOVE P,PSAV(C) - MOVEM P,PSAV(TB) - HRLI B,M - MOVEM B,PCSAV(TB) - JRST CONTIN - -MFUNCTION GO,SUBR - ENTRY 1 - GETYP A,(AB) - CAIE A,TATOM - JRST NLCLGO - PUSHJ P,PROGCH ;CHECK FOR A PROG - PUSH TP,A ;SAVE - PUSH TP,B - MOVEI B,-1(TP) - PUSHJ P,CHFSWP - PUSH TP,$TATOM - PUSH TP,1(C) - PUSH TP,2(B) - PUSH TP,3(B) - MCALL 2,MEMQ ;DOES IT HAVE THIS TAG? - JUMPE B,NXTAG ;NO -- ERROR -FNDGO: EXCH B,(TP) ;SAVE PLACE TO GO - MOVSI D,TLIST - MOVEM D,-1(TP) - JRST GODON - -NLCLGO: CAIE A,TTAG ;CHECK TYPE - JRST WTYP1 - MOVE B,1(AB) - MOVEI B,2(B) ; POINT TO SLOT - PUSHJ P,CHFSWP - MOVE A,1(C) - GETYP 0,(A) ; SEE IF COMPILED - CAIE 0,TFIX - JRST GODON1 - MOVE C,1(A) - JRST GOJOIN - -GODON1: PUSH TP,(A) ;SAVE BODY - PUSH TP,1(A) -GODON: MOVEI C,0 - PUSHJ P,CHUNW ;GO BACK TO CORRECT FRAME - MOVE B,(TP) ;RESTORE ITERATION MARKER - MOVEM B,1(TB) - MOVSI A,TFALSE - MOVEI B,0 - JRST CONTIN - - - - -MFUNCTION TAG,SUBR - ENTRY - JUMPGE AB,TFA - HLRZ 0,AB - GETYP A,(AB) ;GET TYPE OF ARGUMENT - CAIE A,TFIX ; FIX ==> COMPILED - JRST ATOTAG - CAIE 0,-4 - JRST WNA - GETYP A,2(AB) - CAIE A,TACT - JRST WTYP2 - PUSH TP,(AB) - PUSH TP,1(AB) - PUSH TP,2(AB) - PUSH TP,3(AB) - JRST GENTV -ATOTAG: CAIE A,TATOM ;CHECK THAT IT IS AN ATOM - JRST WTYP1 - CAIE 0,-2 - JRST TMA - PUSHJ P,PROGCH ;CHECK PROG - PUSH TP,A ;SAVE VAL - PUSH TP,B - PUSH TP,$TATOM - PUSH TP,1(AB) - PUSH TP,2(B) - PUSH TP,3(B) - MCALL 2,MEMQ - JUMPE B,NXTAG ;IF NOT FOUND -- ERROR - EXCH A,-1(TP) ;SAVE PLACE - EXCH B,(TP) - HRLI A,TFRAME - PUSH TP,A - PUSH TP,B -GENTV: MOVEI A,2 - PUSHJ P,IEVECT - MOVSI A,TTAG - JRST FINIS - -PROGCH: MOVE B,MQUOTE LPROG,[LPROG ]INTRUP - PUSHJ P,ILVAL ;GET VALUE - GETYP 0,A - CAIE 0,TACT - JRST NXPRG - POPJ P, - -; HERE TO UNASSIGN LPROG IF NEC - -UNPROG: MOVE B,MQUOTE LPROG,[LPROG ]INTRUP - PUSHJ P,ILVAL - GETYP 0,A - CAIE 0,TACT ; SKIP IF MUST UNBIND - JRST UNMAP - MOVSI A,TUNBOU - MOVNI B,1 - MOVE E,MQUOTE LPROG,[LPROG ]INTRUP - PUSHJ P,PSHBND -UNMAP: HRRZ 0,FSAV(TB) ; CHECK FOR FUNNY - CAIN 0,MAPPLY ; SKIP IF NOT - POPJ P, - MOVE B,MQUOTE LMAP,[LMAP ]INTRUP - PUSHJ P,ILVAL - GETYP 0,A - CAIE 0,TFRAME - JRST UNSPEC - MOVSI A,TUNBOU - MOVNI B,1 - MOVE E,MQUOTE LMAP,[LMAP ]INTRUP - PUSHJ P,PSHBND -UNSPEC: PUSH TP,BNDV - MOVE B,PVP - ADD B,[CURFCN,,CURFCN] - PUSH TP,B - PUSH TP,$TSP - MOVE E,SP - ADD E,[3,,3] - PUSH TP,E - POPJ P, - -REPEAT 0,[ -MFUNCTION MEXIT,SUBR,[EXIT] - ENTRY 2 - GETYP A,(AB) - CAIE A,TACT - JRST WTYP1 - MOVEI B,(AB) - PUSHJ P,CHFSWP - ADD C,[2,,2] - PUSHJ P,CHUNW ;RESTORE FRAME - JRST CHFINI ; CHECK FOR WINNING VALUE -] - -MFUNCTION COND,FSUBR - ENTRY 1 - GETYP A,(AB) - CAIE A,TLIST - JRST WRONGT - PUSH TP,(AB) - PUSH TP,1(AB) ;CREATE UNNAMED TEMP - MOVEI B,0 ; SET TO FALSE IN CASE - -CLSLUP: SKIPN C,1(TB) ;IS THE CLAUSELIST NIL? - JRST IFALS1 ;YES -- RETURN NIL - GETYP A,(C) ;NO -- GET TYPE OF CAR - CAIE A,TLIST ;IS IT A LIST? - JRST BADCLS ; - MOVE A,1(C) ;YES -- GET CLAUSE - JUMPE A,BADCLS - GETYPF B,(A) - PUSH TP,B ; EVALUATION OF - HLLZS (TP) - PUSH TP,1(A) ;THE PREDICATE - JSP E,CHKARG - MCALL 1,EVAL - GETYP 0,A - CAIN 0,TFALSE - JRST NXTCLS ;FALSE TRY NEXT CLAUSE - MOVE C,1(TB) ;IF NOT, DO FIRST CLAUSE - MOVE C,1(C) - HRRZ C,(C) - JUMPE C,FINIS ;(UNLESS DONE WITH IT) - JRST DOPRG2 ;AS THOUGH IT WERE A PROG -NXTCLS: HRRZ C,@1(TB) ;SET THE CLAUSLIST - HRRZM C,1(TB) ;TO CDR OF THE CLAUSLIST - JRST CLSLUP - -IFALSE: - MOVEI B,0 -IFALS1: MOVSI A,TFALSE ;RETURN FALSE - JRST FINIS - - - -MFUNCTION UNWIND,FSUBR - - ENTRY 1 - - GETYP 0,(AB) ; CHECK THE ARGS FOR WINNAGE - SKIPN A,1(AB) ; NONE? - JRST TFA - HRRZ B,(A) ; CHECK FOR 2D - JUMPE B,TFA - HRRZ 0,(B) ; 3D? - JUMPN 0,TMA - -; Unbind LPROG and LMAPF so that nothing cute happens - - PUSHJ P,UNPROG - -; Push thing to do upon UNWINDing - - PUSH TP,$TLIST - PUSH TP,[0] - - MOVEI C,UNWIN1 - PUSHJ P,IUNWIN ; GOT TO INTERNAL SET UP - -; Now EVAL the first form - - MOVE A,1(AB) - HRRZ 0,(A) ; SAVE POINTER TO OTHER GUY - MOVEM 0,-12(TP) - MOVE B,1(A) - GETYP A,(A) - MOVSI A,(A) - JSP E,CHKAB ; DEFER? - PUSH TP,A - PUSH TP,B - MCALL 1,EVAL ; EVAL THE LOSER - - JRST FINIS - -; Now push slots to hold undo info on the way down - -IUNWIN: -REPEAT 0,[ - JUMPE M,NOTRSB - MOVEI C,(C) - HLRE 0,M - SUBM M,0 - ANDI 0,-1 - CAIL C,HIBOT - JRST NOTRSB - CAIL C,(M) - CAML C,0 - JRST .+2 - SUBI C,(M) -NOTRSB:] - PUSH TP,$TTB ; DESTINATION FRAME - PUSH TP,[0] - PUSH TP,[0] ; ARGS TO WHOEVER IS DOING IT - PUSH TP,[0] - -; Now bind UNWIND word - - PUSH TP,$TUNWIN ; FIRST WORD OF IT - HRRM SP,(TP) ; CHAIN - MOVE SP,TP - PUSH TP,TB ; AND POINT TO HERE - PUSH TP,$TTP - PUSH TP,[0] - HRLI C,TPDL - PUSH TP,C - PUSH TP,P ; SAVE PDL ALSO - MOVEM TP,-2(TP) ; SAVE FOR LATER - POPJ P, - -; Do a non-local return with UNWIND checking - -CHUNW: HRRZ E,SPSAV(B) ; GET DESTINATION FRAME -CHUNW1: PUSH TP,(C) ; FINAL VAL - PUSH TP,1(C) - JUMPN C,.+3 ; WAS THERE REALLY ANYTHING - SETZM (TP) - SETZM -1(TP) - PUSHJ P,STLOOP ; UNBIND -CHUNPC: SKIPA ; WILL NOT SKIP UNLESS UNWIND FOUND - JRST GOTUND - MOVEI A,(TP) - SUBI A,(SP) - MOVSI A,(A) - HLL SP,TP - SUB SP,A - HRRI TB,(B) ; UPDATE TB - POP TP,B - POP TP,A - POPJ P, - -; Here if an UNDO found - -GOTUND: MOVE TB,1(SP) ; GET FRAME OF UNDO - MOVE A,-1(TP) ; GET FUNNY ARG FOR PASS ON - MOVE C,(TP) - MOVE TP,3(SP) ; GET FUTURE TP - MOVEM C,-6(TP) ; SAVE ARG - MOVEM A,-7(TP) - MOVE C,(TP) ; SAVED P - SUB C,[1,,1] - MOVEM C,PSAV(TB) ; MAKE CONTIN WIN - MOVEM TP,TPSAV(TB) - MOVEM SP,SPSAV(TB) - HRRZ C,(P) ; PC OF CHUNW CALLER - HRRM C,-11(TP) ; SAVE ALSO AND GET WHERE TO GO PC - MOVEM B,-10(TP) ; AND DESTINATION FRAME - HRRZ C,-1(TP) ; WHERE TO UNWIND PC - HRRZ 0,FSAV(TB) ; RSUBR? - CAMG 0,VECTOP - CAMGE 0,VECBOT - TLZA C,-1 ; 0 LH OF C AND SKIP - HRLI C,M ; RELATIVIZE - MOVEM C,PCSAV(TB) - JRST CONTIN - -UNWIN1: MOVE B,-12(TP) ; POINT TO THING TO DO UNWINDING - GETYP A,(B) - MOVSI A,(A) - MOVE B,1(B) - JSP E,CHKAB - PUSH TP,A - PUSH TP,B - MCALL 1,EVAL -UNWIN2: MOVEI C,-7(TP) ; POINT TO SAVED RET VALS - MOVE B,-10(TP) - HRRZ E,-11(TP) - PUSH P,E - HRRZ SP,(SP) ; UNBIND THIS GUY - MOVEI E,(TP) ; AND FIXUP SP - SUBI E,(SP) - MOVSI E,(E) - HLL SP,TP - SUB SP,E - JRST CHUNW ; ANY MORE TO UNWIND? - - -; CHFSWP - CHECK FRAMES VALIDITY AND SWAP PROCESS IF NECESSARY. -; CALLED BY ALL CONTROL FLOW -; ROUTINES (GO,RETURN,EXIT,AGAIN,ERRET...) - -CHFSWP: PUSHJ P,CHFRM ; CHECK FOR VALID FRAME - HRRZ D,(B) ; PROCESS VECTOR DOPE WD - HLRZ C,(D) ; LENGTH - SUBI D,-1(C) ; POINT TO TOP - MOVNS C ; NEGATE COUNT - HRLI D,2(C) ; BUILD PVP - MOVE E,PVP - MOVE C,AB - MOVE A,(B) ; GET FRAME - MOVE B,1(B) - CAMN E,D ; SKIP IF SWAP NEEDED - POPJ P, - PUSH TP,A ; SAVE FRAME - PUSH TP,B - MOVE B,D - PUSHJ P,PROCHK ; FIX UP PROCESS LISTS - MOVE A,PSTAT+1(B) ; GET STATE - CAIE A,RESMBL - JRST NOTRES - MOVE D,B ; PREPARE TO SWAP - POP P,0 ; RET ADDR - POP TP,B - POP TP,A - JSP C,SWAP ; SWAP IN - MOVE C,ABSTO+1(E) ; GET OLD ARRGS - MOVEI A,RUNING ; FIX STATES - MOVEM A,PSTAT+1(PVP) - MOVEI A,RESMBL - MOVEM A,PSTAT+1(E) - JRST @0 - -NOTRES: PUSH TP,$TATOM - PUSH TP,EQUOTE PROCESS-NOT-RESUMABLE - JRST CALER1 - - -;SETG IS USED TO SET THE GLOBAL VALUE OF ITS FIRST ARGUMENT, -;AN IDENTIFIER, TO THE VALUE OF ITS SECOND ARGUMENT. ITS VALUE IS -; ITS SECOND ARGUMENT. - -MFUNCTION SETG,SUBR - ENTRY 2 - GETYP A,(AB) ;GET TYPE OF FIRST ARGUMENT - CAIE A,TATOM ;CHECK THAT IT IS AN ATOM - JRST NONATM ;IF NOT -- ERROR - MOVE B,1(AB) ;GET POINTER TO ATOM - PUSH TP,$TATOM - PUSH TP,B - MOVEI 0,(B) - CAIL 0,HIBOT ; PURE ATOM? - PUSHJ P,IMPURIFY ; YES IMPURIFY - PUSHJ P,IGLOC ;GET LOCATIVE TO VALUE - CAMN A,$TUNBOUND ;IF BOUND - PUSHJ P,BSETG ;IF NOT -- BIND IT - MOVE C,2(AB) ; GET PROPOSED VVAL - MOVE D,3(AB) - MOVSI A,TLOCD ; MAKE SURE MONCH WINS - PUSHJ P,MONCH0 ; WOULD YOU BELIEVE MONITORS!!!! - EXCH D,B ;SAVE PTR - MOVE A,C - HRRZ E,-2(D) ; POINT TO POSSIBLE GDECL (OR MAINIFEST) - JUMPE E,OKSETG ; NONE ,OK - CAIE E,-1 ; MANIFEST? - JRST SETGTY - GETYP 0,(D) ; IF UNBOUND, LET IT HAPPEN - SKIPN IGDECL - CAIN 0,TUNBOU - JRST OKSETG -MANILO: GETYP C,(D) - GETYP 0,2(AB) - CAIN 0,(C) - CAME B,1(D) - JRST .+2 - JRST OKSETG - PUSH TP,$TVEC - PUSH TP,D - MOVE B,MQUOTE REDEFINE - PUSHJ P,ILVAL ; SEE IF REDEFINE OK - GETYP A,A - CAIE A,TUNBOU - CAIN A,TFALSE - JRST .+2 - JRST OKSTG - PUSH TP,$TATOM - PUSH TP,EQUOTE ATTEMPT-TO-CHANGE-MANIFEST-VARIABLE - PUSH TP,$TATOM - PUSH TP,1(AB) - MOVEI A,2 - JRST CALER - -SETGTY: PUSH TP,$TVEC - PUSH TP,D - MOVE C,A - MOVE D,B - GETYP A,(E) - MOVSI A,(A) - MOVE B,1(E) - JSP E,CHKAB - PUSHJ P,TMATCH - JRST TYPMI3 - -OKSTG: MOVE D,(TP) - MOVE A,2(AB) - MOVE B,3(AB) - -OKSETG: MOVEM A,(D) ;DEPOSIT INTO THE - MOVEM B,1(D) ;INDICATED VALUE CELL - JRST FINIS - -TYPMI3: MOVE C,(TP) - HRRZ C,-2(C) - MOVE D,2(AB) - MOVE B,3(AB) - MOVE 0,(AB) - MOVE A,1(AB) - JRST TYPMIS - -BSETG: HRRZ A,GLOBASE+1(TVP) - HRRZ B,GLOBSP+1(TVP) - SUB B,A - CAIL B,6 - JRST SETGIT - MOVEI B,0 ; MAKE SURE OF NO EMPTY SLOTS - PUSHJ P,IGLOC - CAMN A,$TUNBOU ; SKIP IF SLOT FOUND - JRST BSETG1 - MOVE E,(TP) ; GET ATOM - MOVEM E,-1(B) ; CLOBBER ATOM SLOT - POPJ P, -; BSETG1: PUSH TP,GLOBASE(TVP) ; MUST REALLY GROW STACK -; PUSH TP,GLOBASE+1 (TVP) -; PUSH TP,$TFIX -; PUSH TP,[0] -; PUSH TP,$TFIX -; PUSH TP,[100] -; MCALL 3,GROW -BSETG1: PUSH P,0 - PUSH P,C - MOVE C,GLOBASE+1(TVP) - HLRE B,C - SUB C,B - MOVE B,GVLINC ; GROW BY INDICATED GVAL SLOTS - DPB B,[001100,,(C)] -; MOVEM A,GLOBASE(TVP) - MOVE C,[6,,4] ; INDICATOR FOR AGC - PUSHJ P,AGC - MOVE B,GLOBASE+1(TVP) - MOVE 0,GVLINC ; ADJUST GLOBAL SPBASE - ASH 0,6 - SUB B,0 - HRLZS 0 - SUB B,0 - MOVEM B,GLOBASE+1(TVP) -; MOVEM B,GLOBASE+1(TVP) - POP P,0 - POP P,C -SETGIT: - MOVE B,GLOBSP+1(TVP) - SUB B,[4,,4] - MOVSI C,TGATOM - MOVEM C,(B) - MOVE C,(TP) - MOVEM C,1(B) - MOVEM B,GLOBSP+1(TVP) - ADD B,[2,,2] - MOVSI A,TLOCI - POPJ P, - - -MFUNCTION DEFMAC,FSUBR - - ENTRY 1 - - PUSH P,. - JRST DFNE2 - -MFUNCTION DFNE,FSUBR,[DEFINE] - - ENTRY 1 - - PUSH P,[0] -DFNE2: GETYP A,(AB) - CAIE A,TLIST - JRST WRONGT - SKIPN B,1(AB) ; GET ATOM - JRST TFA - GETYP A,(B) ; MAKE SURE ATOM - MOVSI A,(A) - PUSH TP,A - PUSH TP,1(B) - JSP E,CHKARG - MCALL 1,EVAL ; EVAL IT TO AN ATOM - CAME A,$TATOM - JRST NONATM - PUSH TP,A ; SAVE TWO COPIES - PUSH TP,B - PUSHJ P,IGVAL ; SEE IF A VALUE EXISTS - CAMN A,$TUNBOU ; SKIP IF A WINNER - JRST .+3 - PUSHJ P,ASKUSR ; CHECK WITH USER - JRST DFNE1 - PUSH TP,$TATOM - PUSH TP,-1(TP) - MOVE B,1(AB) - HRRZ B,(B) - MOVSI A,TEXPR - SKIPN (P) ; SKIP IF MACRO - JRST DFNE3 - MOVEI D,(B) ; READY TO CONS - MOVSI C,TEXPR - PUSHJ P,INCONS - MOVSI A,TMACRO -DFNE3: PUSH TP,A - PUSH TP,B - MCALL 2,SETG -DFNE1: POP TP,B ; RETURN ATOM - POP TP,A - JRST FINIS - - -ASKUSR: MOVE B,MQUOTE REDEFINE - PUSHJ P,ILVAL ; SEE IF REDEFINE OK - GETYP A,A - CAIE A,TUNBOU - CAIN A,TFALSE - JRST ASKUS1 - JRST ASKUS2 -ASKUS1: PUSH TP,$TATOM - PUSH TP,-1(TP) - PUSH TP,$TATOM - PUSH TP,EQUOTE ALREADY-DEFINED-ERRET-NON-FALSE-TO-REDEFINE - MCALL 2,ERROR - GETYP 0,A - CAIE 0,TFALSE -ASKUS2: AOS (P) - MOVE B,1(AB) - POPJ P, - - - -;SET CLOBBERS THE LOCAL VALUE OF THE IDENTIFIER GIVEN BY ITS -;FIRST ARGUMENT TO THE SECOND ARG. ITS VALUE IS ITS SECOND ARGUMENT. - -MFUNCTION SET,SUBR - HLRE D,AB ; 2 TIMES # OF ARGS TO D - ASH D,-1 ; - # OF ARGS - ADDI D,2 - JUMPG D,TFA ; NOT ENOUGH - MOVE B,PVP - MOVE C,SP - JUMPE D,SET1 ; NO ENVIRONMENT - AOJL D,TMA ; TOO MANY - GETYP A,4(AB) ; CHECK ARG IS A FRAME OR PROCESS - CAIE A,TFRAME - CAIN A,TENV - JRST SET2 ; WINNING ENVIRONMENT/FRAME - CAIN A,TACT - JRST SET2 ; TO MAKE PFISTER HAPPY - CAIE A,TPVP - JRST WTYP2 - MOVE B,5(AB) ; GET PROCESS - MOVE C,SPSTO+1(B) - JRST SET1 -SET2: MOVEI B,4(AB) ; POINT TO FRAME - PUSHJ P,CHFRM ; CHECK IT OUT - MOVE B,5(AB) ; GET IT BACK - MOVE C,SPSAV(B) ; GET BINDING POINTER - HRRZ B,4(AB) ; POINT TO PROCESS - HLRZ A,(B) ; GET LENGTH - SUBI B,-1(A) ; POINT TO START THEREOF - HLL B,PVP ; GET -LNTRH, (ALL PROCESS VECS SAME LENGTH) -SET1: PUSH TP,$TPVP ; SAVE PROCESS - PUSH TP,B - PUSH TP,$TSP ; SAVE PATH POINTER - PUSH TP,C - GETYP A,(AB) ;GET TYPE OF FIRST - CAIE A,TATOM ;ARGUMENT -- - JRST WTYP1 ;BETTER BE AN ATOM - MOVE B,1(AB) ;GET PTR TO IT - MOVEI 0,(B) - CAIL 0,HIBOT - PUSHJ P,IMPURIFY - MOVE C,(TP) - PUSHJ P,AILOC ;GET LOCATIVE TO VALUE -GOTLOC: CAMN A,$TUNBOUND ;BOUND? - PUSHJ P, BSET ;BIND IT - SUB TP,[4,,4] - MOVE C,2(AB) ; GET NEW VAL - MOVE D,3(AB) - MOVSI A,TLOCD ; FOR MONCH - HRR A,2(B) - PUSHJ P,MONCH0 ; HURRAY FOR MONITORS!!!!! - MOVE E,B - HLRZ A,2(E) ; GET DECLS - JUMPE A,SET3 ; NONE, GO - PUSH TP,$TSP - PUSH TP,E - MOVE B,1(A) - HLLZ A,(A) ; GET PATTERN - PUSHJ P,TMATCH ; MATCH TMEM - JRST TYPMI2 ; LOSES - MOVE E,(TP) - SUB TP,[2,,2] - MOVE C,2(AB) - MOVE D,3(AB) -SET3: MOVEM C,(E) ;CLOBBER IDENTIFIER - MOVEM D,1(E) - MOVE A,C - MOVE B,D - JRST FINIS -BSET: - CAMN PVP,-2(TP) ; SKIP IF PROC DIFFERS - MOVEM C,-2(TP) ; ELSE USE RESULT FROM LOC SEARCH - MOVE B,-2(TP) ; GET PROCESS - HRRZ A,TPBASE+1(B) ;GET ACTUAL STACK BASE - HRRZ B,SPBASE+1(B) ;AND FIRST BINDING - SUB B,A ;ARE THERE 6 - CAIL B,6 ;CELLS AVAILABLE? - JRST SETIT ;YES - MOVE C,(TP) ; GET POINTER BACK - MOVEI B,0 ; LOOK FOR EMPTY SLOT - PUSHJ P,AILOC - CAMN A,$TUNBOUND ; SKIP IF FOUND - JRST BSET1 - MOVE E,1(AB) ; GET ATOM - MOVEM E,-1(B) ; AND STORE - JRST BSET2 -BSET1: MOVE B,-2(TP) ; GET PROCESS -; PUSH TP,TPBASE(B) ;NO -- GROW THE TP -; PUSH TP,TPBASE+1(B) ;AT THE BASE END -; PUSH TP,$TFIX -; PUSH TP,[0] -; PUSH TP,$TFIX -; PUSH TP,[100] -; MCALL 3,GROW -; MOVE C,-2(TP) ; GET PROCESS -; MOVEM A,TPBASE(C) ;SAVE RESULT - PUSH P,0 ; MANUALLY GROW VECTOR - PUSH P,C - MOVE C,TPBASE+1(B) - HLRE B,C - SUB C,B - MOVEI C,1(C) - CAME C,TPGROW - ADDI C,PDLBUF - MOVE D,LVLINC - DPB D,[001100,,-1(C)] - MOVE C,[5,,3] ; SET UP INDICATORS FOR AGC - PUSHJ P,AGC - MOVE B,TPBASE+1(PVP) ; MODIFY POINTER - MOVE 0,LVLINC ; ADJUST SPBASE POINTER - ASH 0,6 - SUB B,0 - HRLZS 0 - SUB B,0 - MOVEM B,TPBASE+1(PVP) - POP P,C - POP P,0 -; MOVEM B,TPBASE+1(C) -SETIT: MOVE C,-2(TP) ; GET PROCESS - MOVE B,SPBASE+1(C) - MOVEI A,-6(B) ;MAKE UP BINDING - HRRM A,(B) ;LINK PREVIOUS BIND BLOCK - MOVSI A,TBIND - MOVEM A,-6(B) - MOVE A,1(AB) - MOVEM A,-5(B) - SUB B,[6,,6] - MOVEM B,SPBASE+1(C) - ADD B,[2,,2] -BSET2: MOVE C,-2(TP) ; GET PROC - MOVSI A,TLOCI - HRR A,BINDID+1(C) - HLRZ D,OTBSAV(TB) ; TIME IT - MOVEM D,2(B) ; AND FIX IT - POPJ P, - -; HERE TO ELABORATE ON TYPE MISMATCH - -TYPMI2: MOVE C,(TP) ; FIND DECLS - HLRZ C,2(C) - MOVE D,2(AB) - MOVE B,3(AB) - MOVE 0,(AB) ; GET ATOM - MOVE A,1(AB) - JRST TYPMIS - - - -MFUNCTION NOT,SUBR - ENTRY 1 - GETYP A,(AB) ; GET TYPE - CAIE A,TFALSE ;IS IT FALSE? - JRST IFALSE ;NO -- RETURN FALSE - -TRUTH: - MOVSI A,TATOM ;RETURN T (VERITAS) - MOVE B,MQUOTE T - JRST FINIS - -MFUNCTION OR,FSUBR - - PUSH P,[0] - JRST ANDOR - -MFUNCTION ANDA,FSUBR,AND - - PUSH P,[1] -ANDOR: ENTRY 1 - GETYP A,(AB) - CAIE A,TLIST - JRST WRONGT ;IF ARG DOESN'T CHECK OUT - MOVE E,(P) - SKIPN C,1(AB) ;IF NIL - JRST TF(E) ;RETURN TRUTH - PUSH TP,$TLIST ;CREATE UNNAMED TEMP - PUSH TP,C -ANDLP: - MOVE E,(P) - JUMPE C,TFI(E) ;ANY MORE ARGS? - MOVEM C,1(TB) ;STORE CRUFT - GETYP A,(C) - MOVSI A,(A) - PUSH TP,A - PUSH TP,1(C) ;ARGUMENT - JSP E,CHKARG - MCALL 1,EVAL - GETYP 0,A - MOVE E,(P) - XCT TFSKP(E) - JRST FINIS ;IF FALSE -- RETURN - HRRZ C,@1(TB) ;GET CDR OF ARGLIST - JRST ANDLP - -TF: JRST IFALSE - JRST TRUTH - -TFI: JRST IFALS1 - JRST FINIS - -TFSKP: CAIE 0,TFALSE - CAIN 0,TFALSE - -MFUNCTION FUNCTION,FSUBR - - ENTRY 1 - - MOVSI A,TEXPR - MOVE B,1(AB) - JRST FINIS - - - -MFUNCTION CLOSURE,SUBR - ENTRY - SKIPL A,AB ;ANY ARGS - JRST TFA ;NO -- LOSE - ADD A,[2,,2] ;POINT AT IDS - PUSH TP,$TAB - PUSH TP,A - PUSH P,[0] ;MAKE COUNTER - -CLOLP: SKIPL A,1(TB) ;ANY MORE IDS? - JRST CLODON ;NO -- LOSE - PUSH TP,(A) ;SAVE ID - PUSH TP,1(A) - PUSH TP,(A) ;GET ITS VALUE - PUSH TP,1(A) - ADD A,[2,,2] ;BUMP POINTER - MOVEM A,1(TB) - AOS (P) - MCALL 1,VALUE - PUSH TP,A - PUSH TP,B - MCALL 2,LIST ;MAKE PAIR - PUSH TP,A - PUSH TP,B - JRST CLOLP - -CLODON: POP P,A - ACALL A,LIST ;MAKE UP LIST - PUSH TP,(AB) ;GET FUNCTION - PUSH TP,1(AB) - PUSH TP,A - PUSH TP,B - MCALL 2,LIST ;MAKE LIST - MOVSI A,TFUNARG - JRST FINIS - - - -;ERROR COMMENTS FOR EVAL -TUPTFA: PUSH TP,$TATOM - PUSH TP,EQUOTE TOO-FEW-ARGS-FOR-ITUPLE - JRST CALER1 - -TUPTMA: PUSH TP,$TATOM - PUSH TP,EQUOTE TOO-MANY-ARGS-TO-ITUPLE - JRST CALER1 - -BADNUM: PUSH TP,$TATOM - PUSH TP,EQUOTE NEGATIVE-ARG-TO-ITUPLE - JRST CALER1 - -WTY1TP: PUSH TP,$TATOM - PUSH TP,EQUOTE FIRST-ARG-TO-ITUPLE-NOT-FIX - JRST CALER1 - -UNBOU: PUSH TP,$TATOM - PUSH TP,EQUOTE UNBOUND-VARIABLE - JRST ER1ARG - -UNAS: PUSH TP,$TATOM - PUSH TP,EQUOTE UNASSIGNED-VARIABLE - JRST ER1ARG - -BADENV: - PUSH TP,$TATOM - PUSH TP,EQUOTE BAD-ENVIRONMENT - JRST CALER1 - -FUNERR: - PUSH TP,$TATOM - PUSH TP,EQUOTE BAD-FUNARG - JRST CALER1 - - -MPD.0: -MPD.1: -MPD.2: -MPD.3: -MPD.4: -MPD.5: -MPD.6: -MPD.7: -MPD.8: -MPD.9: -MPD.10: -MPD.11: -MPD.12: -MPD.13: -MPD: PUSH TP,$TATOM - PUSH TP,EQUOTE MEANINGLESS-PARAMETER-DECLARATION - JRST CALER1 - -NOBODY: PUSH TP,$TATOM - PUSH TP,EQUOTE HAS-EMPTY-BODY - JRST CALER1 - -BADCLS: PUSH TP,$TATOM - PUSH TP,EQUOTE BAD-CLAUSE - JRST CALER1 - -NXTAG: PUSH TP,$TATOM - PUSH TP,EQUOTE NON-EXISTENT-TAG - JRST CALER1 - -NXPRG: PUSH TP,$TATOM - PUSH TP,EQUOTE NOT-IN-PROG - JRST CALER1 - -NAPTL: -NAPT: PUSH TP,$TATOM - PUSH TP,EQUOTE NON-APPLICABLE-TYPE - JRST CALER1 - -NONEVT: PUSH TP,$TATOM - PUSH TP,EQUOTE NON-EVALUATEABLE-TYPE - JRST CALER1 - - -NONATM: PUSH TP,$TATOM - PUSH TP,EQUOTE NON-ATOMIC-ARGUMENT - JRST CALER1 - - -ILLFRA: PUSH TP,$TATOM - PUSH TP,EQUOTE FRAME-NO-LONGER-EXISTS - JRST CALER1 - -ILLSEG: PUSH TP,$TATOM - PUSH TP,EQUOTE ILLEGAL-SEGMENT - JRST CALER1 - -BADMAC: PUSH TP,$TATOM - PUSH TP,EQUOTE BAD-USE-OF-MACRO - JRST CALER1 - -BADFSB: PUSH TP,$TATOM - PUSH TP,EQUOTE APPLY-OR-STACKFORM-OF-FSUBR - JRST CALER1 - - -ER1ARG: PUSH TP,(AB) - PUSH TP,1(AB) - MOVEI A,2 - JRST CALER - -END - TITLE OPEN - CHANNEL OPENER FOR MUDDLE - -RELOCATABLE - -;C. REEVE MARCH 1973 - -.INSRT MUDDLE > - -SYSQ - -IFE ITS,[ -IF1, .INSRT MUDSYS;STENEX > -] -;THIS PROGRAM HAS ENTRIES: FOPEN, FCLOSE, RENAME, READB, PRINTB, FILECOPY, READSTRING, -; PRINTSTRING, NETSTATE, NETACC, NETS, AND ACCESS. - -;THESE SUBROUTINES HANDLE I/O STREAMS FOR THE MUDDLE SYSTEM. - -; FOPEN - OPENS A FILE FOR EITHER READING OR WRITING. IT TAKES -; FIVE OPTINAL ARGUMENTS AS FOLLOWS: - -; FOPEN (,,,,) -; -; - DIRECTION EITHER READ (INPUT) OR PRINT (OUPUT). DEFAULT IS READ - -; - FIRST FILE NAME. DEFAULT INPUT OR OUTPUT. - -; - SECOND FILE NAME. DEFAULT MUDDLE. - -; - DEVICE FROM WHICH TO OPEN. DEFAULT IS DSK. - -; - SYSTEM (DIRECTORY) NAME. DEFAULT UNAME. - -; FOPEN RETURNS AN OBJECT OF TYPE CHANNEL IF IT SUCCEEDS OTHERWISE NIL - - -; FCLOSE - CLOSES A FILE. TAKES A CHANNEL OBJECT AS ITS ARGUMENT. IT ALSO TAKES -; ACCESS - DOES A .ACCESS ON A CHARACTER BASIS FOR CHARACTER FILES - - -; A CHANNEL OBJECT IS A VECTOR CONTAINIG THE FOLLOWING INFORMATION - -; CHANNO ;ITS I/O CHANNEL NUMBER. 0 MEANS NOT A REAL CHANNEL. -; DIRECT ;DIRECTION (EITHER READ OR PRINT) -; NAME1 ;FIRST NAME OF FILE AS OPENED. -; NAME2 ;SECOND NAME OF FILE -; DEVICE ;DEVICE UPON WHICH THE CHANNEL IS OPEN -; SNAME ;DIRECTORY NAME -; RNAME1 ;REAL FIRST NAME (AS RETURNED BY READING CHANNEL STATUS) -; RNAME2 ;REAL SECOND NAME -; RDEVIC ;REAL DEVICE -; RSNAME ;SYSTEM OR DIRECTORY NAME -; STATUS ;VARIOUS STATUS BITS -; IOINS ;INSTRUCTION EXECUTED TO INPUT OR OUTPUT ONE CHARACTER -; ACCESS ;ACCESS POINTER FOR RAND ACCESS (OR USED FOR DISPLAY INFO) -; RADX ;RADIX FOR CHANNELS NUMBER CONVERSION - -; *** THE FOLLOWING FIELDS FOR OUTPUT ONLY *** -; LINLN ;LENGTH OF A LINE IN CHARACTERS FOR THIS DEVICE -; CHRPOS ;CURRENT POSITION ON CURRENT LINE -; PAGLN ;LENGTH OF A PAGE -; LINPOS ;CURRENT LINE BEING WRITTEN ON - -; *** THE FOLLOWING FILEDS FOR INPUT ONLY *** -; EOFCND ;GETS EVALUATED ON EOF -; LSTCH ;BACKUP CHARACTER -; WAITNS ;FOR TTY INPUT, BECOMES A .SLEEP WHEN WAITING -; EXBUFR ;FOR TTY INPUT, CONTAINS A WAITING BUFFER LIST -; BUFSTR ;A CHARACTER STRING USED AS BUFFER FOR NON-TTY DEVICES - -; THIS DEFINES THE LENGTH OF THE NON-TTY BUFFER -BUFLNT==100 - -;THIS DEFINES BLOCK MODE BIT FOR OPENING -BLOCKM==2 ;DEFINED IN THE LEFT HALF -IMAGEM==4 - - -;THIS IRP DEFINES THE FIELDS AT ASSEMBLY TIME - - CHANLNT==4 ;INITIAL CHANNEL LENGTH - -; BUILD A PROTOTYPE CHANNEL AND DEFINE FILEDS -BUFRIN==-1 ;SPECIAL HACK SO LOSERS WON'T SEE TTY BUFFER -SCRPTO==-3 ;SPECIAL HACK FOR SCRIPT CHANNELS -PROCHN: - -IRP A,,[[CHANNO,FIX],[DIRECT,CHSTR] -[NAME1,CHSTR],[NAME2,CHSTR],[DEVICE,CHSTR],[SNAME,CHSTR] -[RNAME1,CHSTR],[RNAME2,CHSTR],[RDEVIC,CHSTR],[RSNAME,CHSTR] -[STATUS,FIX],[IOINS,FIX],[LINLN,FIX],[CHRPOS,FIX],[PAGLN,FIX],[LINPOS,FIX] -[ACCESS,FIX],[RADX,FIX],[BUFSTR,CHSTR]] - - IRP B,C,[A] - B==CHANLNT-3 - T!C,,0 - 0 - .ISTOP - TERMIN - CHANLNT==CHANLNT+2 -TERMIN - - -; EQUIVALANCES FOR CHANNELS - -EOFCND==LINLN -LSTCH==CHRPOS -WAITNS==PAGLN -EXBUFR==LINPOS -DISINF==BUFSTR ;DISPLAY INFO -INTFCN==BUFSTR ;FUNCTION (OR SUBR, OR RSUBR) TO BE APPLIED FOR INTERNAL CHNLS - - -;DEFINE VARIABLES ASSOCIATED WITH TTY BUFFERS - -IRP A,,[IOIN2,ECHO,CHRCNT,ERASCH,KILLCH,BRKCH,ESCAP,SYSCHR,BRFCHR,BRFCH2,BYTPTR] -A==.IRPCNT -TERMIN - -EXTBFR==BYTPTR+1+<100./5> ;LENGTH OF ADD'L BUFFER - - - - -.GLOBAL IPNAME,MOPEN,MCLOSE,MIOT,ILOOKU,6TOCHS,ICLOS,OCLOS,RGPARS,RGPRS -.GLOBAL OPNCHN,CHMAK,READC,TYO,SYSCHR,BRFCHR,LSTCH,BRFCH2,EXTBFR -.GLOBAL CHRWRD,STRTO6,TTYBLK,WAITNS,EXBUFR,TTICHN,TTOCHN,GETCHR -.GLOBAL CHANNO,STATUS,LINPOS,PAGLN,CHRPOS,LINLN,IOINS,ACCESS -.GLOBAL DIRECT,DISINF,RADX,EOFCND,BUFSTR,MODE1,MODE2,GCHACK,GMTYO -.GLOBAL T.CHAN,NAME1,BFCLOS,DOIOTI,DOIOTO,DOACCS,NOTTY,BYTDOP,TNXIN -.GLOBAL DISOPN,DISROP,DISCLS,DCHAR,DISLNL,DISPGL,INSTAT,MTYO -.GLOBAL ECHO,ERASCH,KILLCH,BRKCH,BYTPTR,SYSCHR,CHRCNT,ESCAP,N.CHNS -.GLOBAL REOPN,QUITTE,CHNL0,CHNL1,BUFRIN,IOIN2,IFALSE,GFALS,IDVAL -.GLOBAL BADCHN,WRONGD,CHNCLS,GSNAME,GIBLOK,APLQ,NAPT,ICONS,INCONS,IBLOCK,IDVAL1 -.GLOBAL GRB,GWB,R1CHAR,W1CHAR,BFCLS1,TTYOP2,MPOPJ,COMPER,R1C,W1C,WXCT,RXCT -.GLOBAL TMTNXS,TNXSTR,RDEVIC - - -.VECT.==40000 - -; PAIR MOVING MACRO - -DEFINE PMOVEM A,B - MOVE 0,A - MOVEM 0,B - MOVE 0,A+1 - MOVEM 0,B+1 - TERMIN - -; DEFINITIONS OF THE OFFSETS INTO THE TP STACK FOR OPEN - -T.SPDL==0 ; SAVES P STACK BASE -T.DIR==2 ; CONTAINS DIRECTION AND MODE -T.NM1==4 ; NAME 1 OF FILE -T.NM2==6 ; NAME 2 OF FILE -T.DEV==10 ; DEVICE NAME -T.SNM==12 ; SNAME -T.XT==14 ; EXTRA CRUFT IF NECESSARY -T.CHAN==16 ; CHANNEL AS GENERATED - -; OFFSETS FROM PSTACK BASE (USED FOR OPENS, .RCHST AND .FDELES) - -S.DIR==0 ; CODE FOR DIRECTION 0-IN, 1-OUT, 2-BIN, 3-BOUT,4-DISPLAY -IFN ITS,[ -S.DEV==1 ; SIXBIT DEVICE RIGHT JUSTIFIED -S.NM1==2 ; SIXBIT NAME1 -S.NM2==3 ; SIXBIT NAME2 -S.SNM==4 ; SIXBIT SNAME -S.X1==5 ; TEMPS -S.X2==6 -S.X3==7 -] - -IFE ITS,[ -S.DEV==1 -S.X1==2 -S.X2==3 -S.X3==4 -] - - -; FLAGS SPECIFYING STATE OF THE WORLD AT VARIOUS TIMES - -NOSTOR==400000 ; ON MEANS DONT BUILD NEW STRINGS -MSTNET==200000 ; ON MEANS ONLY THE "NET" DEVICE CAN WIN -SNSET==100000 ; FLAG, SNAME SUPPLIED -DVSET==040000 ; FLAG, DEV SUPPLIED -N2SET==020000 ; FLAG, NAME2 SET -N1SET==010000 ; FLAG, NAME1 SET - -RMT [EXPUNGE N1SET,N2SET,DVSET,SNSET,MSTNET,NOSTOR -] - - -; TABLE OF LEGAL MODES - -MODES: IRP A,,[READ,PRINT,READB,PRINTB,DISPLAY] - SIXBIT /A/ - TERMIN -NMODES==.-MODES - -; TABLE OF KNOWN DEVICES AND A POINTER TO THEIR OPENERS - -IFN ITS,[ - -DEVS: IRP A,,[DSK,TPL,SYS,COM,TTY,USR,STY,[ST ],NET,DIS,E&S,INT,PTP,PTR -[P ],[DK ],[UT ],[T ],NUL,[AI ] -[ML ],[DM ],[AR ],ARC]B,,[ODSK,ODSK,ODSK,ODSK,OTTY,OUSR,OSTY,OSTY,ONET,ODIS,ODIS -OINT,OPTP,OPTP,ODSK,ODSK,OUTN,OTTY,ONUL,ODSK,ODSK,ODSK,ODSK,ODSK] - B,,(SIXBIT /A/) - TERMIN -] -IFE ITS,[ -DEVS: IRP A,,[DSK,TTY,INT,NET]B,,[ODSK,OTTY,OINT,ONET] - B,,(SIXBIT /A/) - TERMIN -] -NDEVS==.-DEVS - - - -;SUBROUTINE TO DO OPENING BEGINS HERE - -MFUNCTION NFOPEN,SUBR,[OPEN-NR] - - JRST FOPEN1 - -MFUNCTION FOPEN,SUBR,[OPEN] - -FOPEN1: ENTRY - PUSHJ P,MAKCHN ;MAKE THE CHANNEL - PUSHJ P,OPNCH ;NOW OPEN IT - JRST FINIS - -; SUBR TO JUST CREATE A CHANNEL - -MFUNCTION CHANNEL,SUBR - - ENTRY - PUSHJ P,MAKCHN - MOVSI A,TCHAN - JRST FINIS - - - - -; THIS ROUTINE PARSES ARGUMENTS TO FOPEN ETC. AND BUILDS A CHANNEL BUT DOESN'T OPEN IT - -MAKCHN: PUSH TP,$TPDL - PUSH TP,P ; POINT AT CURRENT STACK BASE - PUSH TP,$TCHSTR - PUSH TP,CHQUOTE READ - MOVEI E,10 ; SLOTS OF TP NEEDED - PUSH TP,[0] - SOJG E,.-1 - MOVEI E,0 - EXCH E,(P) ; GET RET ADDR IN E -IFE ITS, PUSH P,[0] -IRP ATM,,[DEV,NM1,NM2,SNM]MDF,,[DSK,INPUT,>,[ ]]TMDF,,[DSK,INPUT,MUD,[ ]] - MOVE B,IMQUOTE ATM -IFN ITS, PUSH P,E - PUSHJ P,IDVAL1 - GETYP 0,A - CAIN 0,TCHSTR - JRST MAK!ATM - - MOVE A,$TCHSTR -IFN ITS, MOVE B,CHQUOTE MDF -IFE ITS, MOVE B,CHQUOTE TMDF -MAK!ATM: - MOVEM A,T.!ATM(TB) - MOVEM B,T.!ATM+1(TB) -IFN ITS,[ - POP P,E - PUSHJ P,STRTO6 ; RESULT LEFT ON P STACK AS DESIRED -] - TERMIN - PUSH TP,[0] ; PUSH SLOTS - PUSH TP,[0] - - PUSH P,[0] ; EXT SLOTS - PUSH P,[0] - PUSH P,[0] - PUSH P,E ; PUSH RETURN ADDRESS - MOVEI A,0 - - JUMPGE AB,MAKCH0 ; NO ARGS, ALREADY DONE - GETYP 0,(AB) ; 1ST ARG MUST BE A STRING - CAIE 0,TCHSTR - JRST WTYP1 - MOVE A,(AB) ; GET ARG - MOVE B,1(AB) - PUSHJ P,CHMODE ; CHECK OUT OPEN MODE - - PMOVEM (AB),T.DIR(TB) ; SAVE MODE NAME IN TEMPS - ADD AB,[2,,2] ; BUMP PAST DIRECTION - MOVEI A,0 - JUMPGE AB,MAKCH0 ; CHECK NAME1 BASED ON JUST MODE - - MOVEI 0,0 ; FLAGS PRESET - PUSHJ P,RGPARS ; PARSE THE STRING(S) - JRST TMA - -; ARGUMENTS PARSED, DO FINAL CHECKS AND BUILD CHANNEL - -MAKCH0: -IFN ITS,[ - MOVE C,T.SPDL+1(TB) - HLRZS D,S.DEV(C) ; GET DEV -] -IFE ITS,[ - MOVE A,T.DEV(TB) - MOVE B,T.DEV+1(TB) - PUSHJ P,STRTO6 - POP P,D - HLRZS D - MOVE C,T.SPDL+1(TB) - MOVEM D,S.DEV(C) -] - CAIE D,(SIXBIT /INT/); INTERNAL? - JRST CHNET ; NO, MAYBE NET - SKIPN T.XT+1(TB) ; WAS FCN SUPPLIED? - JRST TFA - -; FALLS TROUGH IF SKIP - - - -; NOW BUILD THE CHANNEL - -ARGSOK: MOVEI A,CHANLNT ; GET LENGTH - PUSHJ P,GIBLOK ; GET A BLOCK OF STUFF - ADD B,[4,,4] ; HIDE THE TTY BUFFER SLOT - PUSH TP,$TCHAN - PUSH TP,B - HRLI C,PROCHN ; POINT TO PROTOTYPE - HRRI C,(B) ; AND NEW ONE - BLT C,CHANLN-5(B) ; CLOBBER - MOVSI C,TLIST ; TO GIVE HIM A CLEAN LIST OF SCRIPT CHANS - MOVEM C,SCRPTO-1(B) - -; NOW BLT IN STUFF FROM THE STACK - - MOVSI C,T.DIR(TB) ; DIRECTION - HRRI C,DIRECT-1(B) - BLT C,SNAME(B) - MOVEI C,RNAME1-1(B) ; NOW "REAL" SLOTS - HRLI C,T.NM1(TB) - BLT C,RSNAME(B) - POPJ P, - -; HERE TO VALIDIFY ARGUMENTS FOR A NET OPEN - -CHNET: CAIE D,(SIXBIT /NET/) ; IS IT NET -IFN ITS, JRST MAKCH1 -IFE ITS,[ - JRST ARGSOK -] - MOVSI D,TFIX ; FOR TYPES - MOVEI B,T.NM1(TB) ; MAKE SURE ALL ARE FIXED - PUSHJ P,CHFIX - MOVEI B,T.NM2(TB) - PUSHJ P,CHFIX - MOVEI B,T.SNM(TB) - LSH A,-1 ; SKIP DEV FLAG - PUSHJ P,CHFIX - JRST ARGSOK - -MAKCH1: TRNN A,MSTNET ; CANT HAVE SEEN A FIX - JRST ARGSOK - JRST WRONGT - -IFN ITS,[ -CHFIX: TRNE A,N1SET ; SKIP IF NOT SPECIFIED - JRST CHFIX1 -] - SETOM 1(B) ; SET TO -1 - SETOM S.NM1(C) - MOVEM D,(B) ; CORRECT TYPE -IFE ITS,CHFIX: - GETYP 0,(B) - CAIE 0,TFIX - JRST PARSQ -CHFIX1: ADDI C,1 ; POINT TO NEXT FIELD - LSH A,-1 ; AND NEXT FLAG - POPJ P, -PARSQ: CAIE 0,TCHSTR - JRST WRONGT -IFE ITS, POPJ P, -IFN ITS,[ - PUSH P,A - PUSH P,C - PUSH TP,(B) - PUSH TP,1(B) - SUBI B,(TB) - PUSH P,B - MCALL 1,PARSE - GETYP 0,A - CAIE 0,TFIX - JRST WRONGT - POP P,C - ADDI C,(TB) - MOVEM A,(C) - MOVEM B,1(C) - POP P,C - POP P,A - POPJ P, -] - - -; SUBROUTINE TO CHECK VALIDITY OF MODE AND SAVE A CODE - -CHMODE: PUSHJ P,CHMOD ; DO IT - MOVE C,T.SPDL+1(TB) - HRRZM A,S.DIR(C) - POPJ P, - -CHMOD: PUSHJ P,STRTO6 ; TO SIXBIT - POP P,B ; VALUE ENDSUP ON STACK, RESTORE IT - - CAME B,[SIXBIT /PRINTO/] ; KLUDGE TO MAKE PRINTO AS PRINTB - JRST .+3 - MOVEI A,3 ; CODE FOR PRINTB - POPJ P, - - MOVSI A,-NMODES ; SCAN TO SEE IF LEGAL MODE - CAME B,MODES(A) - AOBJN A,.-1 - JUMPGE A,WRONGD ; ILLEGAL MODE NAME - POPJ P, - -IFN ITS,[ -; RGPARS -- PARSE THE STRINGS COMPRISING FILE NAMES INTO STANDARD ITS GOODIES - -RGPRS: MOVEI 0,NOSTOR ; DONT STORE STRINGS IF ENTER HERE - -RGPARS: HRLM 0,(P) ; LH IS FLAGS FOR THIS PROG - MOVSI E,-4 ; FIELDS TO FILL - -RPARGL: GETYP 0,(AB) ; GET TYPE - CAIE 0,TCHSTR ; STRING? - JRST ARGCLB ; NO, JUST CLOBBER IT IN RAW - JUMPGE E,CPOPJ ; DON'T DO ANY MORE - PUSH TP,(AB) ; GET AN ARG - PUSH TP,1(AB) - -FPARS: PUSH TP,-1(TP) ; ANOTHER COPY - PUSH TP,-1(TP) - PUSHJ P,FLSSP ; NO LEADING SPACES - MOVEI A,0 ; WILL HOLD SIXBIT - MOVEI B,6 ; CHARS PER 6BIT WORD - MOVE C,[440600,,A] ; BYTE POINTER INTO A - -FPARSL: HRRZ 0,-1(TP) ; GET COUNT - JUMPE 0,PARSD ; DONE - SOS -1(TP) ; COUNT - ILDB 0,(TP) ; CHAR TO 0 - - CAIE 0," ; FILE NAME QUOTE? - JRST NOCNTQ - HRRZ 0,-1(TP) - JUMPE 0,PARSD - SOS -1(TP) - ILDB 0,(TP) ; USE THIS - JRST GOTCNQ - -NOCNTQ: CAIG 0,40 ; SPACE? - JRST NDFLD ; YES, TERMINATE THIS FIELD - CAIN 0,": ; DEVICE ENDED? - JRST GOTDEV - CAIN 0,"; ; SNAME ENDED - JRST GOTSNM - -GOTCNQ: PUSHJ P,A0TO6 ; CONVERT TO 6BIT AND CHECK - - JUMPE B,FPARSL ; IGNORE IF AREADY HAVE 6 - IDPB 0,C - SOJA B,FPARSL - -; HERE IF SPACE ENCOUNTERED - -NDFLD: MOVEI D,(E) ; COPY GOODIE - PUSHJ P,FLSSP ; FLUSH REDUNDANT SPACES - JUMPE 0,PARSD ; NO CHARS LEFT - -NFL0: PUSH P,A ; SAVE SIXBIT WORD - PUSHJ P,6TOCHS ; CONVERT TO STRING - HRRZ 0,-1(TP) ; RESTORE CHAR COUNT - -NFL2: MOVEI C,(D) ; COPY REL PNTR - SKIPGE -1(P) ; SKIP IF STRINGS TO BE STORED - JRST NFL3 - ASH D,1 ; TIMES 2 - ADDI D,T.NM1(TB) - MOVEM A,(D) ; STORE - MOVEM B,1(D) -NFL3: MOVSI A,N1SET ; FLAG IT - LSH A,(C) - IORM A,-1(P) ; AND CLOBBER - MOVE D,T.SPDL+1(TB) ; GET P BASE - POP P,@SIXTBL(C) ; AND STORE SIXBIT OF IT - - POP TP,-2(TP) ; MAKE NEW STRING POINTER - POP TP,-2(TP) - JUMPE 0,.+3 ; SKIP IF NO MORE CHARS - AOBJN E,FPARS ; MORE TO PARSE? -CPOPJ: POPJ P, ; RETURN, ALL DONE - - SUB TP,[2,,2] ; FLUSH OLD STRING - ADD E,[1,,1] - ADD AB,[2,,2] ; BUMP ARG - JUMPL AB,RPARGL ; AND GO ON -CPOPJ1: AOS A,(P) ; PREPARE TO WIN - HLRZS A - POPJ P, - - - -; HERE IF STRING HAS ENDED - -PARSD: PUSH P,A ; SAVE 6 BIT - MOVE A,-3(TP) ; CAN USE ARG STRING - MOVE B,-2(TP) - MOVEI D,(E) - JRST NFL2 ; AND CONTINUE - -; HERE IF JUST READ DEV - -GOTDEV: MOVEI D,2 ; CODE FOR DEVICE - JRST GOTFLD ; GOT A FIELD - -; HERE IF JUST READ SNAME - -GOTSNM: MOVEI D,3 -GOTFLD: PUSHJ P,FLSSP - SOJA E,NFL0 - - -; HERE FOR NON STRING ARG ENCOUNTERED - -ARGCLB: SKIPGE (P) ; IF NOT STORING, CONSIDER THIS THE END - - POPJ P, - MOVE C,T.SPDL+1(TB) ; GET P-BASE - HLRZ A,S.DEV(C) ; GET DEVICE - CAIE A,(SIXBIT /INT/) ; IS IT THE INTERNAL DEVICE - JRST TRYNET ; NO, COUD BE NET - MOVE A,0 ; OFFNEDING TYPE TO A - PUSHJ P,APLQ ; IS IT APPLICABLE - JRST NAPT ; NO, LOSE - PMOVEM (AB),T.XT(TB) - ADD AB,[2,,2] ; MUST BE LAST ARG - JUMPL AB,TMA - JRST CPOPJ1 ; ELSE SUCCESSFUL RETURN -TRYNET: CAIE 0,TFIX ; FOR NET DEV, ARGS MUST BE FIX - JRST WRONGT ; TREAT AS WRONG TYPE - MOVSI A,MSTNET ; BETTER BE NET EVENTUALLY - IORM A,(P) ; STORE FLAGS - MOVSI A,TFIX - MOVE B,1(AB) ; GET NUMBER - MOVEI 0,(E) ; MAKE SURE NOT DEVICE - CAIN 0,2 - JRST WRONGT - PUSH P,B ; SAVE NUMBER - MOVEI D,(E) ; SET FOR TABLE OFFSETS - MOVEI 0,0 - ADD TP,[4,,4] - JRST NFL2 ; GO CLOBBER IT AWAY -] - - -; ROUTINE TO FLUSH LEADING SPACES FROM A FIELD - -FLSSP: HRRZ 0,-1(TP) ; GET CHR COUNNT - JUMPE 0,CPOPJ ; FINISHED STRING -FLSS1: MOVE B,(TP) ; GET BYTR - ILDB C,B ; GETCHAR - CAILE C,40 - JRST FLSS2 - MOVEM B,(TP) ; UPDATE BYTE POINTER - SOJN 0,FLSS1 - -FLSS2: HRRM 0,-1(TP) ; UPDATE STRING - POPJ P, - -IFN ITS,[ -;TABLE FOR STFUFFING SIXBITS AWAY - -SIXTBL: S.NM1(D) - S.NM2(D) - S.DEV(D) - S.SNM(D) - S.X1(D) -] - -RDTBL: RDEVIC(B) - RNAME1(B) - RNAME2(B) - RSNAME(B) - - - -IFE ITS,[ - -; TENEX VERSION OF FILE NAME PARSER (ONLY ACCEPT ARGS IN SINGLE STRING) - -RGPRS: MOVEI 0,NOSTOR - -RGPARS: HRLM 0,(P) ; SAVE FOR STORE CHECKING - CAMGE AB,[-7,,] ; MULTI-STRING CASE POSSIBLE? - JRST TN.MLT ; YES, GO PROCESS -RGPRSS: GETYP 0,(AB) ; CHECK ARG TYPE - CAIE 0,TCHSTR - JRST WRONGT ; FOR NOW ONLY STRING ARGS WIN - PUSH TP,(AB) - PUSH TP,1(AB) - PUSHJ P,FLSSP ; FLUSH LEADING SPACES - PUSHJ P,RGPRS1 - ADD AB,[2,,2] -CHKLST: JUMPGE AB,CPOPJ1 - SKIPGE (P) ; IF FROM OPEN, ALLOW ONE MORE - POPJ P, - PMOVEM (AB),T.XT(TB) - ADD AB,[2,,2] - JUMPL AB,TMA -CPOPJ1: AOS (P) - POPJ P, - -RGPRS1: PUSH P,[0] ; ALLOW A DEVICE SPEC -TN.SNM: MOVE A,(TP) - HRRZ 0,-1(TP) - JUMPE 0,RPDONE - ILDB A,A - CAIE A,"< ; START "DIRECTORY" ? - JRST TN.N1 ; NO LOOK FOR NAME1 - SETOM (P) ; DEV NOT ALLOWED - IBP (TP) ; SKIP CHAR - SOS -1(TP) - PUSHJ P,TN.CNT ; COUNT CHARS TO ">" - JUMPE B,ILLNAM ; RAN OUT - CAIE A,"> ; SKIP IF WINS - JRST ILLNAM - PUSHJ P,TN.CPS ; COPY TO NEW STRING - MOVEM A,T.SNM(TB) - MOVEM B,T.SNM+1(TB) - -TN.N1: PUSHJ P,TN.CNT - JUMPE B,RPDONE - CAIE A,": ; GOT A DEVICE - JRST TN.N11 - SKIPE (P) - JRST ILLNAM - SETOM (P) - PUSHJ P,TN.CPS - MOVEM A,T.DEV(TB) - MOVEM B,T.DEV+1(TB) - JRST TN.SNM ; NOW LOOK FOR SNAME - -TN.N11: CAIE A,"> - CAIN A,"< - JRST ILLNAM - MOVEM A,(P) ; SAVE END CHAR - PUSHJ P,TN.CPS ; GEN STRING - MOVEM A,T.NM1(TB) - MOVEM B,T.NM1+1(TB) - -TN.N2: SKIPN A,(P) ; GET CHAR BACK - JRST RPDONE - CAIN A,"; ; START VERSION? - JRST .+3 - CAIE A,". ; START NAME2? - JRST ILLNAM ; I GIVE UP!!! - HRRZ B,-1(TP) ; GET RMAINS OF STRING - PUSHJ P,TN.CPS ; AND COPY IT - MOVEM A,T.NM2(TB) - MOVEM B,T.NM2+1(TB) -RPDONE: SUB P,[1,,1] ; FLUSH TEMP - SUB TP,[2,,2] -CPOPJ: POPJ P, - -TN.CNT: HRRZ 0,-1(TP) ; CHAR COUNT - MOVE C,(TP) ; BPTR - MOVEI B,0 ; INIT COUNT TO 0 - -TN.CN1: MOVEI A,0 ; IN CASE RUN OUT - SOJL 0,CPOPJ ; RUN OUT? - ILDB A,C ; TRY ONE - CAIE A," ; TNEX FILE QUOTE? - JRST TN.CN2 - SOJL 0,CPOPJ - IBP C ; SKIP QUOTED CHAT - ADDI B,2 - JRST TN.CN1 - -TN.CN2: CAIE A,"< - CAIN A,"> - POPJ P, - - CAIE A,". - CAIN A,"; - POPJ P, - CAIN A,": - POPJ P, - AOJA B,TN.CN1 - -TN.CPS: PUSH P,B ; # OF CHARS - MOVEI A,4(B) ; ADD 4 TO B IN A - IDIVI A,5 - PUSHJ P,IBLOCK ; GET BLOCK OF WORDS FOR STRING - - POP P,C ; CHAR COUNT BACK - HRLI B,440700 - MOVSI A,TCHSTR - HRRI A,(C) ; CHAR STRING - MOVE D,B ; COPY BYTER - - JUMPE C,CPOPJ - ILDB 0,(TP) ; GET CHAR - IDPB 0,D ; AND STROE - SOJG C,.-2 - - MOVNI C,(A) ; - LENGTH TO C - ADDB C,-1(TP) ; DECREMENT WORDS COUNT - TRNN C,-1 ; SKIP IF EMPTY - POPJ P, - IBP (TP) - SOS -1(TP) ; ELSE FLUSH TERMINATOR - POPJ P, - -ILLNAM: PUSH TP,$TATOM - PUSH TP,EQUOTE ILLEGAL-TENEX-FILE-NAME - JRST CALER1 - -TN.MLT: MOVEI A,(AB) - HRLI A,-10 - -TN.ML1: GETYP 0,(A) - CAIE 0,TFIX - CAIN 0,TCHSTR - JRST .+2 - JRST RGPRSS ; ASSUME SINGLE STRING - ADD A,[2,,2] - JUMPL A,TN.ML1 - - MOVEI A,T.NM1(TB) - HRLI A,(AB) - BLT A,T.SNM+1(TB) ; BLT 'EM IN - ADD AB,[10,,10] ; SKIP THESE GUYS - JRST CHKLST - -] - - -; ROUTINE TO OPEN A CHANNEL FOR ANY DEVICE. NAMES ARE ASSUMED TO ALREADY -; BE ON BOTH TP STACK AND P STACK - -OPNCH: MOVE C,T.SPDL+1(TB) ; GET PDL BASE - HRRZ A,S.DIR(C) - ANDI A,1 ; JUST WANT I AND O - HRLM A,S.DEV(C) -; .TRANS S.DEV(C) ; UNDO ANY TRANSLATIONS -; JRST TRLOST ; COMPLAIN - - HRRZ A,S.DEV(C) ; GET SIXBIT DEVICE CODE - MOVEI E,(A) ; COPY TO E - ANDI E,777700 ; WITHOUT LAST - MOVEI D,(E) ; AND D - ANDI D,770000 ; WITH JUST LETTER - MOVSI B,-NDEVS ; AOBJN COUNTER - -DEVLP: HRRZ 0,DEVS(B) ; GET ONE - CAIN 0,(A) ; FULL DEV? - JRST DISPA - CAIN 0,(D) ; ONE LETTER - JRST CH2DIG - CAIN 0,(E) ; 2 LTTERS - JRST CH1DIG -NXTDEV: AOBJN B,DEVLP ; LOOP THRU - -IFN ITS,[ -OUSR: HRRZ A,S.DIR(C) ; BLOCK OR UNIT? - TRNE A,2 ; SKIP IF UNIT - JRST ODSK - PUSHJ P,OPEN1 ; OPEN IT - PUSHJ P,FIXREA ; AND READCHST IT - MOVE B,T.CHAN+1(TB) ; RESTORE CHANNEL - MOVE 0,[PUSHJ P,DOIOT] ; GET AN IOINS - MOVEM 0,IOINS(B) - MOVE C,T.SPDL+1(TB) - HRRZ A,S.DIR(C) - TRNN A,1 - JRST EOFMAK - MOVEI 0,80. - MOVEM 0,LINLN(B) - JRST OPNWIN - -OSTY: HLRZ A,S.DEV(C) - IORI A,10 ; THE DONT LOSE BIT (DONT HANG ON INPUT DO ON OUTPUT) - HRLM A,S.DEV(C) - JRST OUSR -] -IFE ITS,[ - PUSH TP,$TATOM - PUSH TP,EQUOTE NO-SUCH-DEVICE? - JRST CALER1 -] - -; MAKE SURE DIGITS EXIST - -CH2DIG: LDB 0,[60600,,A] - CAIG 0,'9 ; CHECK DIGITNESS - CAIGE 0,'0 - JRST NXTDEV ; LOSER - -CH1DIG: LDB 0,[600,,A] ; LAST CHAR - CAIG 0,'9 - CAIGE 0,'0 - JRST NXTDEV - -; HERE TO DISPATCH IF SUCCESSFUL - -DISPA: HLRZ B,DEVS(B) -IFN ITS,[ - HRRZ A,S.DIR(C) ; GET DIR OF OPEN - CAIN A,5 ; IS IT DISPLAY - CAIN B,ODIS ; BETTER BE OPENING DISPLAY - JRST (B) ; GO TO HANDLER - JRST WRONGD -] -IFE ITS, JRST (B) - - -IFN ITS,[ - -; DISK DEVICE OPNER COME HERE - -ODSK: MOVE A,S.SNM(C) ; GET SNAME - .SUSET [.SSNAM,,A] ; CLOBBER IT - PUSHJ P,OPEN0 ; DO REAL LIVE OPEN -] -IFE ITS,[ - -; TENEX DISK FILE OPENER - -ODSK: MOVE B,T.CHAN+1(TB) ; GET CHANNEL - PUSHJ P,STSTK ; EXPAND STRING ONTO STACK (E POINTS TO OLD P) - MOVE A,DIRECT-1(B) - MOVE B,DIRECT(B) - PUSHJ P,STRTO6 ; GET DIR NAME - POP P,C - MOVE D,T.SPDL+1(TB) - HRRZ D,S.DIR(D) - CAMN C,[SIXBIT /PRINTO/] - IORI D,100 ; TURN ON BIT TO SAY USE OLD FILE - MOVSI A,101 ; START SETTING UP BITS EXTRA BIT FOR MSB - TRNE D,1 ; SKIP IF INPUT - TRNE D,100 ; WITE OVER? - TLOA A,100000 ; FORCE NEW VERSION - TLO A,400000 ; FORCE OLD - HRROI B,1(E) ; POIT TO STRING - GTJFN - TDZA 0,0 ; SAVE FACT OF NO SKIP - MOVEI 0,1 ; INDICATE SKIPPED - MOVE P,E ; RESTORE PSTACK - JUMPE 0,GTJLOS ; FIND OUT WHAT HAPPENED - - MOVE B,T.CHAN+1(TB) ; GET CHANNEL - HRRZM A,CHANNO(B) ; SAVE IT - ANDI A,-1 ; READ Y TO DO OPEN - MOVSI B,440000 ; USE 36. BIT BYES - HRRI B,200000 ; ASSUME READ - TRNE D,1 ; SKIP IF READ - HRRI B,300000 ; WRITE BIT - HRRZ 0,FSAV(TB) ; SEE IF REF DATE HACK - CAIN 0,NFOPEN - TRO B,400 ; SET DON'T MUNG REF DATE BIT - OPENF - JRST OPFLOS - MOVEI 0,C.OPN+C.READ - TRNE D,1 ; SKIP FOR READ - MOVEI 0,C.OPN+C.PRIN - MOVE B,T.CHAN+1(TB) - HRRM 0,-4(B) ; MUNG THOSE BITS - ASH A,1 ; POINT TO SLOT - ADDI A,CHNL0(TVP) ; TO REAL SLOT - MOVEM B,1(A) ; SAVE CHANNEL - PUSHJ P,TMTNXS ; GET STRING FROM TENEX - MOVE B,CHANNO(B) ; JFN TO A - HRROI A,1(E) ; BASE OF STRING - MOVE C,[111111,,140001] ; WEIRD CONTROL BITS - JFNS ; GET STRING - MOVEI B,1(E) ; POINT TO START OF STRING - SUBM P,E ; RELATIVIZE E - PUSHJ P,TNXSTR ; MAKE INTO A STRING - SUB P,E ; BACK TO NORMAL - PUSH TP,A - PUSH TP,B - PUSHJ P,RGPRS1 ; PARSE INTO FIELDS - MOVE B,T.CHAN+1(TB) - MOVEI C,RNAME1-1(B) - HRLI C,T.NM1(TB) - BLT C,RSNAME(B) - JRST OPBASC -OPFLOS: MOVEI C,(A) ; SAVE ERROR CODE - MOVE B,T.CHAN+1(TB) - HRRZ A,CHANNO(B) ; JFN BACK TO A - RLJFN ; TRY TO RELEASE IT - JFCL - MOVEI A,(C) ; ERROR CODE BACK TO A - -GTJLOS: PUSHJ P,TGFALS ; GET A FALSE WITH REASON - JRST OPNRET - -STSTK: PUSH TP,$TCHAN - PUSH TP,B - MOVEI A,4+5 ; COUNT CHARS NEEDED (NEED LAST 0 BYTE) - MOVE B,(TP) - ADD A,RDEVIC-1(B) - ADD A,RNAME1-1(B) - ADD A,RNAME2-1(B) - ADD A,RSNAME-1(B) - ANDI A,-1 ; TO 18 BITS - IDIVI A,5 ; TO WORDS NEEDED - POP P,C ; SAVE RET ADDR - MOVE E,P ; SAVE POINTER - PUSH P,[0] ; ALOCATE SLOTS - SOJG A,.-1 - PUSH P,C ; RET ADDR BACK - INTGO ; IN CASE OVERFLEW - MOVE B,(TP) ; IN CASE GC'D - MOVE D,[440700,,1(E)] ; BYTE POINTER TO IT - MOVEI A,RDEVIC-1(B) - PUSHJ P,MOVSTR ; FLUSH IT ON - MOVEI A,": - IDPB A,D - HRRZ A,RSNAME-1(B) ; ANY SNAME AT ALL? - JUMPE A,ST.NM1 ; NOPE, CANT HACK WITH IT - MOVEI A,"< - IDPB A,D - MOVEI A,RSNAME-1(B) - PUSHJ P,MOVSTR ; SNAME UP - MOVEI A,"> - IDPB A,D - MOVEI A,RNAME1-1(B) - PUSHJ P,MOVSTR - MOVEI A,". - IDPB A,D -ST.NM1: MOVEI A,RNAME2-1(B) - PUSHJ P,MOVSTR - SUB TP,[2,,2] - POPJ P, - -MOVSTR: HRRZ 0,(A) ; CHAR COUNT - MOVE A,1(A) ; BYTE POINTER - SOJL 0,CPOPJ - ILDB C,A ; GET CHAR - IDPB C,D ; MUNG IT UP - JRST .-3 - -; MAKE A TENEX ERROR MESSAGE STRING - -TGFALS: PUSH P,A ; SAVE ERROR CODE - PUSHJ P,TMTNXS ; STRING ON STACK - HRROI A,1(E) ; POINT TO SPACE - MOVE B,(E) ; ERROR CODE - HRLI B,400000 ; FOR ME - MOVSI C,-100. ; MAX CHARS - ERSTR ; GET TENEX STRING - JRST TGFLS1 - JRST TGFLS1 - - MOVEI B,1(E) ; A AND B BOUND STRING - SUBM P,E ; RELATIVIZE E - PUSHJ P,TNXSTR ; BUILD STRING - SUB P,E ; P BACK TO NORMAL -TGFLS2: SUB P,[1,,1] ; FLUSH ERROR CODE SLOT - MOVE C,A - MOVE D,B - PUSHJ P,INCONS ; BUILD LIST - MOVSI A,TFALSE ; MAKE IT FALSE - POPJ P, - -TGFLS1: MOVE P,E ; RESET STACK - MOVE A,$TCHSTR - MOVE B,CHQUOTE UNKNOWN PROBLEM IN I/O - JRST TGFLS2 - -] -; OTHER BUFFERED DEVICES JOIN HERE - -OPDSK1: -IFN ITS,[ - PUSHJ P,FIXREA ; STORE THE "REAL" NAMES INTO THE CHANNEL -] -OPBASC: MOVE C,T.SPDL+1(TB) ; C WAS CLOBBERED, GET IT BACK - HRRZ A,S.DIR(C) ; FIND OUT IF OPEN IS ASCII OR WORD - TRZN A,2 ; SKIP IF BINARY - PUSHJ P,OPASCI ; DO IT FOR ASCII - -; NOW SET UP IO INSTRUCTION FOR CHANNEL - -MAKION: MOVE B,T.CHAN+1(TB) - MOVEI C,GETCHR - JUMPE A,MAKIO1 ; JUMP IF INPUT - MOVEI C,PUTCHR ; ELSE GET INPUT - MOVEI 0,80. ; DEFAULT LINE LNTH - MOVEM 0,LINLN(B) - MOVSI 0,TFIX - MOVEM 0,LINLN-1(B) -MAKIO1: - HRLI C,(PUSHJ P,) - MOVEM C,IOINS(B) ; STORE IT - JUMPN A,OPNWIN ; GET AN EOF FORM FOR INPUT CHANNEL - -; HERE TO CONS UP - -EOFMAK: MOVSI C,TATOM - MOVE D,EQUOTE END-OF-FILE - PUSHJ P,INCONS - MOVEI E,(B) - MOVSI C,TATOM - MOVE D,IMQUOTE ERROR - PUSHJ P,ICONS - MOVE D,T.CHAN+1(TB) ; RESTORE CHANNEL - MOVSI 0,TFORM - MOVEM 0,EOFCND-1(D) - MOVEM B,EOFCND(D) - -OPNWIN: MOVEI 0,10. ; SET UP RADIX - MOVSI A,TCHAN ; OPEN SUCCEEDED, RET CHANNEL - MOVE B,T.CHAN+1(TB) - MOVEM 0,RADX(B) - -OPNRET: MOVE C,(P) ; RET ADDR - SUB P,[S.X3+2,,S.X3+2] - SUB TP,[T.CHAN+2,,T.CHAN+2] - JRST (C) - - -; HERE TO CREATE CHARACTER BUFFERS FOR ASCII I/O - -OPASCI: PUSH P,A ; CONTAINS MODE, SAVE IT - MOVEI A,BUFLNT ; GET SIZE OF BUFFER - PUSHJ P,IBLOCK ; GET STORAGE - MOVSI 0,TWORD+.VECT. ; SET UTYPE - MOVEM 0,BUFLNT(B) ; AND STORE - MOVSI A,TCHSTR - SKIPE (P) ; SKIP IF INPUT - JRST OPASCO - MOVEI D,BUFLNT(B) ; REST BYTE POINTER -OPASCA: HRLI D,440700 - MOVE B,T.CHAN+1(TB) ; GET CHANNEL BACK - MOVEI 0,C.BUF - IORM 0,-4(B) ; TURN ON BUFFER BIT - MOVEM A,BUFSTR-1(B) - MOVEM D,BUFSTR(B) ; CLOBBER - POP P,A - POPJ P, - -OPASCO: HRROI C,777776 - MOVEM C,(B) ; -1 THE BUFFER (LEAVE OFF LOW BIT) - MOVSI C,(B) - HRRI C,1(B) ; BUILD BLT POINTER - BLT C,BUFLNT-1(B) ; ZAP - MOVEI D,(B) ; START MAKING STRING POINTER - HRRI A,BUFLNT*5 ; SET UP CHAR COUNT - JRST OPASCA - - -; OPEN NON FILE ORIENTED DEVICES (NUL, PTR, PTP ETC.) - -ONUL: -OPTP: -OPTR: PUSHJ P,OPEN0 ; SET UP MODE AND OPEN - SETZM S.NM1(C) ; CLOBBER UNINTERESTING FIELDS - SETZM S.NM2(C) - SETZM S.SNM(C) - JRST OPDSK1 - -; OPEN DEVICES THAT IGNORE SNAME - -OUTN: PUSHJ P,OPEN0 - SETZM S.SNM(C) - JRST OPDSK1 - -; OPEN THE DISPLAY DEVICE - -ODIS: MOVEI B,T.DIR(TB) ; GET CHANNEL - PUSHJ P,CHRWRD ; TO ASCII - JFCL - MOVE E,B ; DIR TO E - MOVE B,T.CHAN+1(TB) ; CHANNEL - MOVE 0,[PUSHJ P,DCHAR] ; IOINS - CAIN A,1 - MOVEM 0,IOINS(B) - PUSHJ P,DISOPN - JRST DISLOS ; LOSER - - MOVE D,T.CHAN+1(TB) ; GET CHANNEL - MOVEI 0,C.OPN+C.PRIN - HRRM 0,-4(D) - MOVEM A,DISINF-1(D) ; AND STORE - MOVEM B,DISINF(D) - SETZM CHANNO(D) ; NO REAL CHANNEL - MOVEI 0,DISLNL - MOVEM 0,LINLN(D) - MOVEI 0,DISPGL - MOVEM 0,PAGLN(D) - MOVEI 0,10. ; SET RADIX - MOVEM 0,RADX(D) - JRST SAVCHN ; ADD TO CHANNEL LIST - - -; INTERNAL CHANNEL OPENER - -OINT: HRRZ A,S.DIR(C) ; CHECK DIR - CAIL A,2 ; READ/PRINT? - JRST WRONGD ; NO, LOSE - - MOVE 0,INTINS(A) ; GET INS - MOVE D,T.CHAN+1(TB) ; AND CHANNEL - MOVEM 0,IOINS(D) ; AND CLOBBER - MOVEI 0,C.OPN+C.READ - TRNE A,1 - MOVEI 0,C.OPN+C.PRIN - HRRM 0,-4(D) - SETOM STATUS(D) ; MAKE SURE NOT AA TTY - PMOVEM T.XT(TB),INTFCN-1(D) - -; HERE TO SAVE PSEUDO CHANNELS - -SAVCHN: HRRZ E,CHNL0+1(TVP) ; POINT TO CURRENT LIST - MOVSI C,TCHAN - PUSHJ P,ICONS ; CONS IT ON - HRRZM B,CHNL0+1(TVP) - JRST OPNWIN - -; INT DEVICE I/O INS - -INTINS: PUSHJ P,GTINTC - PUSHJ P,PTINTC - - -; HERE TO OPEN THE NET DEVICE (I.E. THE ARPA NET) - -IFN ITS,[ -ONET: HRRZ A,S.DIR(C) ; DIRECTION CODE - CAILE A,1 ; ASCII ? - IORI A,4 ; TURN ON IMAGE BIT - SKIPGE S.NM1(C) ; NAME1 I.E. LOCAL HOST GIVEN - IORI A,10 ; NO, WE WILL LET ITS GIVE US ONE - SKIPGE S.NM2(C) ; NORMAL OR "LISTEN" - IORI A,20 ; TURN ON LISTEN BIT - MOVEI 0,7 ; DEFAULT BYTE SIZE - TRNE A,2 ; UNLESS - MOVEI 0,36. ; IMAGE WHICH IS 36 - SKIPN T.XT(TB) ; BYTE SIZE GIVEN? - MOVEM 0,S.X1(C) ; NO, STORE DEFAULT - SKIPG D,S.X1(C) ; BYTE SIZE REASONABLE? - JRST RBYTSZ ; NO <0, COMPLAIN - TRNE A,2 ; SKIP TO CHECK ASCII - JRST ONET2 ; CHECK IMAGE - CAIN D,7 ; 7-BIT WINS - JRST ONET1 - CAIE D,44 ; 36-BIT INDICATES BLOCK ASCII MODE - JRST .+3 - IORI A,2 ; SET BLOCK FLAG - JRST ONET1 - IORI A,40 ; USE 8-BIT MODE - CAIN D,10 ; IS IT RIGHT - JRST ONET1 ; YES -] - -RBYTSZ: PUSH TP,$TATOM ; CALL ERROR - PUSH TP,EQUOTE BYTE-SIZE-BAD - JRST CALER1 - -IFN ITS,[ -ONET2: CAILE D,36. ; IMAGE SIZE REASONABLE? - JRST RBYTSZ ; NO - CAIN D,36. ; NORMAL - JRST ONET1 ; YES, DONT SET FIELD - - ASH D,9. ; POSITION FOR FIELD - IORI A,40(D) ; SET IT AND ITS BIT - -ONET1: HRLM A,S.DEV(C) ; CLOBBER OPEN BLOCK - MOVE E,A ; SAVE BLOCK MODE INFO - PUSHJ P,OPEN1 ; DO THE OPEN - PUSH P,E - -; CLOBBER REAL SLOTS FOR THE OPEN - - MOVEI A,3 ; GET STATE VECTOR - PUSHJ P,IBLOCK - MOVSI A,TUVEC - MOVE D,T.CHAN+1(TB) - MOVEM A,BUFRIN-1(D) - MOVEM B,BUFRIN(D) - MOVSI A,TFIX+.VECT. ; SET U TYPE - MOVEM A,3(B) - MOVE C,T.SPDL+1(TB) - MOVE B,T.CHAN+1(TB) - - PUSHJ P,INETST ; GET STATE - - POP P,A ; IS THIS BLOCK MODE - MOVEI 0,80. ; POSSIBLE LINE LENGTH - TRNE A,1 ; SKIP IF INPUT - MOVEM 0,LINLN(B) - TRNN A,2 ; BLOCK MODE? - JRST .+3 - TRNN A,4 ; ASCII MODE? - JRST OPBASC ; GO SETUP BLOCK ASCII - MOVE 0,[PUSHJ P,DOIOT] - MOVEM 0,IOINS(B) - - JRST OPNWIN - -; INTERNAL ROUTINE TO GET THE CURRENT STATE OF THE NETWROK CHANNEL - -INETST: MOVE A,S.NM1(C) - MOVEM A,RNAME1(B) - MOVE A,S.NM2(C) - MOVEM A,RNAME2(B) - LDB A,[1100,,S.SNM(C)] - MOVEM A,RSNAME(B) - - MOVE E,BUFRIN(B) ; GET STATE BLOCK -INTST1: HRRE 0,S.X1(C) - MOVEM 0,(E) - ADDI C,1 - AOBJN E,INTST1 - - POPJ P, - - -; ACCEPT A CONNECTION - -MFUNCTION NETACC,SUBR - - PUSHJ P,ARGNET ; CHECK THAT ARG IS AN OPEN NET CHANNEL - MOVE A,CHANNO(B) ; GET CHANNEL - LSH A,23. ; TO AC FIELD - IOR A,[.NETACC] - XCT A - JRST IFALSE ; RETURN FALSE -NETRET: MOVE A,(AB) - MOVE B,1(AB) - JRST FINIS - -; FORCE SYSTEM NETWORK BUFFERS TO BE SENT - -MFUNCTION NETS,SUBR - - PUSHJ P,ARGNET - CAME A,MODES+1 - CAMN A,MODES+3 - SKIPA A,CHANNO(B) ; GET CHANNEL - JRST WRONGD - LSH A,23. - IOR A,[.NETS] - XCT A - JRST NETRET - -; SUBR TO RETURN UPDATED NET STATE - -MFUNCTION NETSTATE,SUBR - - PUSHJ P,ARGNET ; IS IT A NET CHANNEL - PUSHJ P,INSTAT - JRST FINIS - -; INTERNAL NETSTATE ROUTINE - -INSTAT: MOVE C,P ; GET PDL BASE - MOVEI 0,S.X3 ; # OF SLOTS NEEDED - PUSH P,[0] - SOJN 0,.-1 - - MOVEI D,S.DEV(C) ; SETUP FOR .RCHST - HRL D,CHANNO(B) - .RCHST D, ; GET THE GOODS - - PUSHJ P,INETST ; INTO VECTOR - SUB P,[S.X3,,S.X3] - MOVE B,BUFRIN(B) - MOVSI A,TUVEC - POPJ P, -] -; INTERNAL ROUTINE TO CHECK FOR CORRECT CHANNEL TYPE - -ARGNET: ENTRY 1 - GETYP 0,(AB) - CAIE 0,TCHAN - JRST WTYP1 - MOVE B,1(AB) ; GET CHANNEL - SKIPN CHANNO(B) ; OPEN? - JRST CHNCLS - MOVE A,RDEVIC-1(B) ; GET DEV NAME - MOVE B,RDEVIC(B) - PUSHJ P,STRTO6 - POP P,A - CAME A,[SIXBIT /NET /] - JRST NOTNET - MOVE B,1(AB) - MOVE A,DIRECT-1(B) ; CHECK FOR A READ SOCKET - MOVE B,DIRECT(B) - PUSHJ P,STRTO6 - MOVE B,1(AB) ; RESTORE CHANNEL - POP P,A - POPJ P, - -IFE ITS,[ - -; TENEX NETWRK OPENING CODE - -ONET: MOVE B,T.CHAN+1(TB) ; GET CHANNEL - MOVSI C,100700 - HRRI C,1(P) - MOVE E,P - PUSH P,[ASCII /NET:/] ; FOR STRINGS - GETYP 0,RNAME1-1(B) ; CHECK TYPE - CAIE 0,TFIX ; SKIP IF # SUPPLIED - JRST ONET1 - MOVE 0,RNAME1(B) ; GET IT - PUSHJ P,FIXSTK - JFCL - JRST ONET2 -ONET1: CAIE 0,TCHSTR - JRST WRONGT - HRRZ 0,RNAME1-1(B) - MOVE B,RNAME1(B) - JUMPE 0,ONET2 - ILDB A,B - JSP D,ONETCH - SOJA 0,.-3 -ONET2: MOVEI A,". - JSP D,ONETCH - MOVE B,T.CHAN+1(TB) - GETYP 0,RNAME2-1(B) - CAIE 0,TFIX - JRST ONET3 - GETYP 0,RSNAME-1(B) - CAIE 0,TFIX - JRST WRONGT - MOVE 0,RSNAME(B) - PUSHJ P,FIXSTK - JRST ONET4 - MOVE B,T.CHAN+1(TB) - MOVEI A,"- - JSP D,ONETCH - MOVE 0,RNAME2(B) - PUSHJ P,FIXSTK - JRST WRONGT - JRST ONET4 -ONET3: CAIE 0,TCHSTR - JRST WRONGT - HRRZ 0,RNAME2-1(B) - MOVE B,RNAME2(B) - JUMPE 0,ONET4 - ILDB A,B - JSP D,ONETCH - SOJA 0,.-3 - -ONET4: -ONET5: MOVE B,T.CHAN+1(TB) - GETYP 0,RNAME2-1(B) - CAIN 0,TCHSTR - JRST ONET6 - MOVEI A,"; - JSP D,ONETCH - MOVEI A,"T - JSP D,ONETCH -ONET6: MOVSI A,1 - HRROI B,1(E) ; STRING POINTER - GTJFN ; GET THE G.D JFN - TDZA 0,0 ; REMEMBER FAILURE - MOVEI 0,1 - MOVE P,E ; RESTORE P - JUMPE 0,GTJLOS ; CONS UP ERROR STRING - - MOVE B,T.CHAN+1(TB) - HRRZM A,CHANNO(B) ; SAVE THE JFN - - MOVE C,T.SPDL+1(TB) - MOVE D,S.DIR(C) - MOVEI B,10 - TRNE D,2 - MOVEI B,36. - SKIPE T.XT(TB) - MOVE B,T.XT+1(TB) - JUMPL B,RBYTSZ - CAILE B,36. - JRST RBYTSZ - ROT B,-6 - TLO B,3400 - HRRI B,200000 - TRNE D,1 ; SKIP FOR INPUT - HRRI B,100000 - ANDI A,-1 ; ISOLATE JFCN - OPENF - JRST OPFLOS ; REPORT ERROR - MOVE B,T.CHAN+1(TB) - ASH A,1 ; POINT TO SLOT - ADDI A,CHNL0(TVP) ; TO REAL SLOT - MOVEM B,1(A) ; SAVE CHANNEL - MOVE A,CHANNO(B) - CVSKT ; GET ABS SOCKET # - FATAL NETWORK BITES THE BAG! - MOVE D,B - MOVE B,T.CHAN+1(TB) - MOVEM D,RNAME1(B) - MOVSI 0,TFIX - MOVEM 0,RNAME1-1(B) - - MOVSI 0,TFIX - MOVEM 0,RNAME2-1(B) - MOVEM 0,RSNAME-1(B) - MOVE C,T.SPDL+1(TB) - MOVE C,S.DIR(C) - MOVE 0,[PUSHJ P,DONETO] - TRNN C,1 ; SKIP FOR OUTPUT - MOVE 0,[PUSHJ P,DONETI] - MOVEM 0,IOINS(B) - MOVEI 0,80. ; LINELENGTH - TRNE C,1 ; SKIP FOR INPUT - MOVEM 0,LINLN(B) - MOVEI A,3 ; GET STATE UVECTOR - PUSHJ P,IBLOCK - MOVSI 0,TFIX+.VECT. - MOVEM 0,3(B) - MOVE C,B - MOVE B,T.CHAN+1(TB) - MOVEM C,BUFRIN(B) - MOVSI 0,TUVEC - MOVEM 0,BUFRIN-1(B) - MOVE A,CHANNO(B) ; GET JFN - GDSTS ; GET STATE - MOVE E,T.CHAN+1(TB) - MOVEM D,RNAME2(E) - MOVEM C,RSNAME(E) - MOVE C,BUFRIN(E) - MOVEM B,(C) ; INITIAL STATE STORED - MOVE B,E - JRST OPNWIN - -; DOIOT FOR TENEX NETWRK - -DONETO: PUSH P,0 - MOVE 0,[BOUT] - JRST .+3 - -DONETI: PUSH P,0 - MOVE 0,[BIN] - PUSH P,0 - PUSH TP,$TCHAN - PUSH TP,B - MOVEI 0,(A) ; POSSIBLE OUTPUT CHAR TO 0 - MOVE A,CHANNO(B) - MOVE B,0 - ENABLE - XCT (P) - DISABLE - MOVEI A,(B) ; RET CHAR IN A - MOVE B,(TP) - MOVE 0,-1(P) - SUB P,[2,,2] - SUB TP,[2,,2] - POPJ P, - -NETPRS: MOVEI D,0 - HRRZ 0,(C) - MOVE C,1(C) - -ONETL: ILDB A,C - CAIN A,"# - POPJ P, - SUBI A,60 - ASH D,3 - IORI D,(A) - SOJG 0,ONETL - AOS (P) - POPJ P, - -FIXSTK: CAMN 0,[-1] - POPJ P, - JFFO 0,FIXS3 ; PUT OCTAL DIGITS INTO STIRNG - MOVEI A,"0 - POP P,D - AOJA D,ONETCH -FIXS3: IDIVI A,3 - MOVEI B,12. - SUBI B,(A) - HRLM B,(P) - IMULI A,3 - LSH 0,(A) - POP P,B -FIXS2: MOVEI A,0 - ROTC 0,3 ; NEXT DIGIT - ADDI A,60 - JSP D,ONETCH - SUB B,[1,,0] - TLNN B,-1 - JRST 1(B) - JRST FIXS2 - -ONETCH: IDPB A,C - TLNE C,760000 ; SKIP IF NEW WORD - JRST (D) - PUSH P,[0] - JRST (D) - -INSTAT: MOVE E,B - MOVE A,CHANNO(E) - GDSTS - LSH B,-32. - MOVEM D,RNAME2(E) ; UPDATE FOREIGN SOCHKET - MOVEM C,RSNAME(E) ; AND HOST - MOVE C,BUFRIN(E) - XCT ITSTRN(B) ; XLATE TO LOOK MORE LIKE ITS - MOVEM B,(C) ; STORE STATE - MOVE B,E - POPJ P, - -ITSTRN: MOVEI B,0 - JRST NLOSS - JRST NLOSS - MOVEI B,1 - MOVEI B,2 - JRST NLOSS - MOVEI B,4 - PUSHJ P,NOPND - MOVEI B,0 - JRST NLOSS - JRST NLOSS - PUSHJ P,NCLSD - MOVEI B,0 - JRST NLOSS - MOVEI B,0 - -NLOSS: FATAL ILLEGAL NETWORK STATE - -NOPND: MOVE B,DIRECT(E) ; SEE IF READ OR PRINT - ILDB B,B ; GET 1ST CHAR - CAIE B,"R ; SKIP FOR READ - JRST NOPNDW - SIBE ; SEE IF INPUT EXISTS - JRST .+3 - MOVEI B,5 - POPJ P, - MOVEM B,2(C) ; STORE BYTES IN STATE VECTOR - MOVEI B,11 ; RETURN DATA PRESENT STATE - POPJ P, - -NOPNDW: SOBE ; SEE IF OUTPUT PRESENT - JRST .+3 - MOVEI B,5 - POPJ P, - - MOVEI B,6 - POPJ P, - -NCLSD: MOVE B,DIRECT(E) - ILDB B,B - CAIE B,"R - JRST RET0 - SIBE - JRST .+2 - JRST RET0 - MOVEI B,10 - POPJ P, - -RET0: MOVEI B,0 - POPJ P, - - -MFUNCTION NETSTATE,SUBR - - PUSHJ P,ARGNET - PUSHJ P,INSTAT - MOVE B,BUFRIN(B) - MOVSI A,TUVEC - JRST FINIS - -MFUNCTION NETS,SUBR - - PUSHJ P,ARGNET - CAME A,MODES+1 ; PRINT OR PRINTB? - CAMN A,MODES+3 - SKIPA A,CHANNO(B) - JRST WRONGD - MOVEI B,21 - MTOPR -NETRET: MOVE B,1(AB) - MOVSI A,TCHAN - JRST FINIS - -MFUNCTION NETACC,SUBR - - PUSHJ P,ARGNET - MOVE A,CHANNO(B) - MOVEI B,20 - MTOPR - JRST NETRET - -] - -; HERE TO OPEN TELETYPE DEVICES - -OTTY: HRRZ A,S.DIR(C) ; GET DIR CODE - TRNE A,2 ; SKIP IF NOT READB/PRINTB - JRST WRONGD ; CANT DO THAT - -IFN ITS,[ - MOVE A,S.NM1(C) ; CHECK FOR A DIR - MOVE 0,S.NM2(C) - CAMN A,[SIXBIT /.FILE./] - CAME 0,[SIXBIT /(DIR)/] - SKIPA E,[-15.*2,,] - JRST OUTN ; DO IT THAT WAY - - HRRZ A,S.DIR(C) ; CHECK DIR - TRNE A,1 - JRST TTYLP2 - HRRI E,CHNL1(TVP) - PUSH P,S.DEV(C) ; SAVE THE SIXBIT DEV NAME - HRLZS (P) ; POSTITION DEVICE NAME - -TTYLP: SKIPN D,1(E) ; CHANNEL OPEN? - JRST TTYLP1 ; NO, GO TO NEXT - MOVE A,RDEVIC-1(D) ; GET DEV NAME - MOVE B,RDEVIC(D) - PUSHJ P,STRTO6 ; TO 6 BIT - POP P,A ; GET RESULT - CAMN A,(P) ; SAME? - JRST SAMTYQ ; COULD BE THE SAME -TTYLP1: ADD E,[2,,2] - JUMPL E,TTYLP - SUB P,[1,,1] ; THIS ONE MUST BE UNIQUE -TTYLP2: MOVE C,T.SPDL+1(TB) ; POINT TO P BASE - HRRZ A,S.DIR(C) ; GET DIR OF OPEN - SKIPE A ; IF OUTPUT, - IORI A,20 ; THEN USE DISPLAY MODE - HRLM A,S.DEV(C) ; STORE IN OPEN BLOCK - PUSHJ P,OPEN2 ; OPEN THE TTY - HRLZ A,S.DEV(C) ; GET DEVICE NAME - PUSHJ P,6TOCHS ; TO A STRING - MOVE D,T.CHAN+1(TB) ; POINT TO CHANNEL - MOVEM A,RDEVIC-1(D) - MOVEM B,RDEVIC(D) - MOVE C,T.SPDL+1(TB) ; RESTORE PDL BASE - MOVE B,D ; CHANNEL TO B - HRRZ 0,S.DIR(C) ; AND DIR - JUMPE 0,TTYSPC -TTY1: DOTCAL TTYGET,[CHANNO(B),[2000,,0],[2000,,A],[2000,,D]] - FATAL .CALL FAILURE - DOTCAL TTYSET,[CHANNO(B),MODE1,MODE2,D] - FATAL .CALL FAILURE - MOVE A,[PUSHJ P,GMTYO] - MOVEM A,IOINS(B) - DOTCAL RSSIZE,[CHANNO(B),[2000,,A],[2000,,D]] - FATAL .CALL FAILURE - MOVEM D,LINLN(B) - MOVEM A,PAGLN(B) - JRST OPNWIN - -; MAKE AN IOT - -IOTMAK: HRLZ A,CHANNO(B) ; GET CHANNEL - ROT A,5 - IOR A,[.IOT A] ; BUILD IOT - MOVEM A,IOINS(B) ; AND STORE IT - POPJ P, - - -; HERE IF POSSIBLY OPENING AN ALREADY OPEN TTY - -SAMTYQ: MOVE D,1(E) ; RESTORE CURRENT CHANNEL - MOVE A,DIRECT-1(D) ; GET DIR - MOVE B,DIRECT(D) - PUSHJ P,STRTO6 - POP P,A ; GET SIXBIT - MOVE C,T.SPDL+1(TB) - HRRZ C,S.DIR(C) - CAME A,MODES(C) ; SKIP IF DIFFERENT DIRECTION - JRST TTYLP1 - -; HERE IF A RE-OPEN ON A TTY - - HRRZ 0,FSAV(TB) ; IS IT FROM A FOPEN - CAIN 0,FOPEN - JRST RETOLD ; RET OLD CHANNEL - - PUSH TP,$TCHAN - PUSH TP,1(E) ; PUSH OLD CHANNEL - PUSH TP,$TFIX - PUSH TP,T.CHAN+1(TB) - MOVE A,[PUSHJ P,CHNFIX] - PUSHJ P,GCHACK - SUB TP,[4,,4] - -RETOLD: MOVE B,1(E) ; GET CHANNEL - AOS CHANNO-1(B) ; AOS REF COUNT - MOVSI A,TCHAN - SUB P,[1,,1] ; CLEAN UP STACK - JRST OPNRET ; AND LEAVE - - -; ROUTINE TO PASS TO GCHACK TO FIX UP CHANNEL POINTER - -CHNFIX: CAIN C,TCHAN - CAME D,(TP) - POPJ P, - MOVE D,-2(TP) ; GET REPLACEMENT - SKIPE B - MOVEM D,1(B) ; CLOBBER IT AWAY - POPJ P, -] - -IFE ITS,[ - MOVE C,T.SPDL+1(TB) ; POINT TO P BASE - HRRZ 0,S.DIR(C) ; 0/ 0 FOR READ 0/ 1 FOR PRINT - MOVE A,[PUSHJ P,MTYO] - MOVE B,T.CHAN+1(TB) - MOVEM A,IOINS(B) - MOVEI A,100 ; PRIM INPUT JFN - JUMPN 0,TNXTY1 - MOVEI E,C.OPN+C.READ - HRRM E,-4(B) - MOVEM B,CHNL0+2*100+1(TVP) - JRST TNXTY2 -TNXTY1: MOVEM B,CHNL0+2*101+1(TVP) - MOVEI A,101 ; PRIM OUTPUT JFN - MOVEI E,C.OPN+C.PRIN - HRRM E,-4(B) -TNXTY2: MOVEM A,CHANNO(B) - JUMPN 0,OPNWIN -] -; SETUP FUNNY BUFFER FOR TTY INPUT DEVICES - -TTYSPC: MOVEI A,EXTBFR ; GET EXTRA BUFFER - PUSHJ P,IBLOCK ; GET BLOCK - MOVE D,T.CHAN+1(TB) ;RESTORE CHANNEL POINTER -IFN ITS,[ - MOVE A,CHANNO(D) - LSH A,23. - IOR A,[.IOT A] - MOVEM A,IOIN2(B) -] -IFE ITS,[ - MOVE A,[PBIN] - MOVEM A,IOIN2(B) -] - MOVSI A,TLIST - MOVEM A,EXBUFR-1(D) ; FOR WAITING TTY BUFFERS - SETZM EXBUFR(D) ; NIL LIST - MOVEM B,BUFRIN(D) ;STORE IN CHANNEL - MOVSI A,TUVEC ;MAKE SURE TYPE IS UNIFORM VECTOR - MOVEM A,BUFRIN-1(D) -IFN ITS, MOVEI A,177 ;SET ERASER TO RUBOUT -IFE ITS, MOVEI A,1 ; TRY ^A FOR TENEX - MOVEM A,ERASCH(B) - SETZM KILLCH(B) ;NO KILL CHARACTER NEEDED - MOVEI A,33 ;BREAKCHR TO C.R. - MOVEM A,BRKCH(B) - MOVEI A,"\ ;ESCAPER TO \ - MOVEM A,ESCAP(B) - MOVE A,[010700,,BYTPTR(E)] ;RELATIVE BYTE POINTER - MOVEM A,BYTPTR(B) - MOVEI A,14 ;BARF BACK CHARACTER FF - MOVEM A,BRFCHR(B) - MOVEI A,^D - MOVEM A,BRFCH2(B) - -; SETUP DEFAULT TTY INTERRUPT HANDLER - - PUSH TP,$TATOM - PUSH TP,MQUOTE CHAR,CHAR,INTRUP - PUSH TP,$TFIX - PUSH TP,[10] ; PRIORITY OF CHAR INT - PUSH TP,$TCHAN - PUSH TP,D - MCALL 3,EVENT ; 1ST MAKE AN EVENT EXIST - PUSH TP,A - PUSH TP,B - PUSH TP,$TSUBR - PUSH TP,[QUITTER] ; DEFAULT HANDLER IS QUITTER - MCALL 2,HANDLER - -; BUILD A NULL STRING - - MOVEI A,0 - PUSHJ P,IBLOCK ; USE A BLOCK - MOVE D,T.CHAN+1(TB) - MOVEI 0,C.BUF - IORM 0,-4(D) - HRLI B,440700 - MOVSI A,TCHSTR - MOVEM A,BUFSTR-1(D) - MOVEM B,BUFSTR(D) - MOVEI A,0 - MOVE B,D ; CHANNEL TO B - JRST MAKION - - -; ROUTINE TO OPEN ITS CHANNEL WITHOUT .RCHST - -OPEN2: MOVEI A,S.DEV(C) ; POINT TO OPEN BLOCK - PUSHJ P,MOPEN ; OPEN THE FILE - JRST OPNLOS - MOVE B,T.CHAN+1(TB) ; GET CHANNEL BACK - MOVEM A,CHANNO(B) ; SAVE THE CHANNEL - JRST OPEN3 - -; FIX UP MODE AND FALL INTO OPEN - -OPEN0: HRRZ A,S.DIR(C) ; GET DIR - TRNE A,2 ; SKIP IF NOT BLOCK - IORI A,4 ; TURN ON IMAGE - IORI A,2 ; AND BLOCK - - PUSH P,A - PUSH TP,$TPDL - PUSH TP,C ; SAVE CRUFT TO CHECK FOR PRINTO, HA HA - MOVE B,T.CHAN+1(TB) - MOVE A,DIRECT-1(B) - MOVE B,DIRECT(B) ; THIS KLUDGE THE MESS OF NDR - PUSHJ P,STRTO6 - MOVE C,(TP) - POP P,D ; THE SIXBIT FOR KLUDGE - POP P,A ; GET BACK THE RANDOM BITS - SUB TP,[2,,2] - CAME D,[SIXBIT /PRINTO/] - JRST OPEN9 ; WELL NOT THIS TIME - IORI A,100000 ; WRITEOVER BIT - - HRRZ 0,FSAV(TB) - CAIN 0,NFOPEN - IOR A,4 ; DON'T CHANGE REF DATE -OPEN9: HRLM A,S.DEV(C) ; AND STORE IT - -; ROUTINE TO ATTEMPT TO OPEN A REAL ITS CHANNEL - -OPEN1: MOVEI A,S.DEV(C) ; POINT TO OPEN BLOCK - PUSHJ P,MOPEN - JRST OPNLOS - MOVE B,T.CHAN+1(TB) ; GET CHANNEL BACK - MOVEM A,CHANNO(B) ; CLOBBER INTO CHANNEL - MOVSI A,(A) ; SET UP READ CHAN STATUS - HRRI A,S.DEV(C) - .RCHST A, ; GET THE GOODS - -; NOW CLOBBER THE TVP SLOT FOR THIS CHANNEL - -OPEN3: MOVE A,S.DIR(C) - MOVEI 0,C.OPN+C.READ - TRNE A,1 - MOVEI 0,C.OPN+C.PRIN - TRNE A,2 - TRO 0,C.BIN - HRRM 0,-4(B) - MOVE A,CHANNO(B) ; GET CHANNEL # - ASH A,1 - ADDI A,CHNL0(TVP) ; POINT TO SLOT - MOVEM B,1(A) ; NOT: TYPE ALREADY SETUP - -; NOW GET STATUS WORD - -DOSTAT: HRLZ A,CHANNO(B) ; NOW GET STATUS WORD - ROT A,5 - IOR A,[.STATUS STATUS(B)] ; GET INS - XCT A ; AND DO IT - POPJ P, - - -; HERE IF OPEN FAILS (CHANNEL IS IN A) - -OPNLOS: JUMPL A,NOCHAN ; ALL CHANNELS ARE IN USE - LSH A,23. ; DO A .STATUS - IOR A,[.STATUS A] - XCT A ; STATUS TO A - PUSHJ P,GFALS ; GET A FALSE WITH A MESSAGE - SUB P,[1,,1] ; EXTRA RET ADDR FLUSHED - JRST OPNRET ; AND RETURN - -; ROUTINE TO CONS UP FALSE WITH REASON - -GFALS: PUSH P,[SIXBIT / ERR/] ; SET UP OPEN TO ERR DEV - PUSH P,[3] ; SAY ITS FOR CHANNEL - PUSH P,A - .OPEN 0,-2(P) ; USE CHANNEL 0 FOR THIS - FATAL CAN'T OPEN ERROR DEVICE - SUB P,[3,,3] ; DONT WANT OPEN BLOCK NOW - MOVEI A,0 ; PREPARE TO BUILD STRING ON STACK -EL1: PUSH P,[0] ; WHERE IT WILL GO - MOVSI B,(<440700,,(P)>) ; BYTE POINTER TO TOP OF STACK -EL2: .IOT 0,0 ; GET A CHAR - JUMPL 0,EL3 ; JUMP ON -1,,3 - CAIN 0,3 ; EOF? - JRST EL3 ; YES, MAKE STRING - CAIN 0,14 ; IGNORE FORM FEEDS - JRST EL2 ; IGNORE FF - CAIE 0,15 ; IGNORE CR & LF - CAIN 0,12 - JRST EL2 - IDPB 0,B ; STUFF IT - TLNE B,760000 ; SIP IF WORD FULL - AOJA A,EL2 - AOJA A,EL1 ; COUNT WORD AND GO - -EL3: SKIPN (P) ; ANY CHARS AT END? - SUB P,[1,,1] ; FLUSH XTRA - PUSH P,A ; PUT UP COUNT - .CLOSE 0, ; CLOSE THE ERR DEVICE - PUSHJ P,CHMAK ; MAKE STRING - MOVE C,A - MOVE D,B ; COPY STRING - PUSHJ P,INCONS ; CONS TO NIL - MOVSI A,TFALSE ; MAKEIT A FALSE - POPJ P, - - -; ROUTINE TO FILL IN THE "REAL" SLOTS FOR THE CHANNEL - -FIXREA: HRLZS S.DEV(C) ; KILL MODE BITS - MOVE D,[-4,,S.DEV] - -FIXRE1: MOVEI A,(D) ; COPY REL POINTER - ADD A,T.SPDL+1(TB) ; POINT TO SLOT - SKIPN A,(A) ; SKIP IF GOODIE THERE - JRST FIXRE2 - PUSHJ P,6TOCHS ; MAKE INOT A STRING - MOVE C,RDTBL-S.DEV(D); GET OFFSET - ADD C,T.CHAN+1(TB) - MOVEM A,-1(C) - MOVEM B,(C) -FIXRE2: AOBJN D,FIXRE1 - POPJ P, - -DOOPN: PUSH P,A - HRLZ A,CHANNO(B) ; GET CHANNEL - ASH A,5 - HRR A,(P) ; POINT - TLO A,(.OPEN) - XCT A - SKIPA - AOS -1(P) - POP P,A - POPJ P, - -;THIS ROUTINE CONVERTS MUDDLE CHARACTER STRINGS TO SIXBIT FILE NAMES -STRTO6: PUSH TP,A - PUSH TP,B - PUSH P,E ;SAVE USEFUL FROB - MOVEI E,(A) ; CHAR COUNT TO E - GETYP A,A - CAIE A,TCHSTR ; IS IT ONE WORD? - JRST WRONGT ;NO -CHREAD: MOVEI A,0 ;INITIALIZE OUTPUT WORD - MOVE D,[440600,,A] ;AND BYTE POINTER TO IT -NEXCHR: SOJL E,SIXDON - ILDB 0,B ; GET NEXT CHAR - JUMPE 0,SIXDON ;IF NULL, WE ARE FINISHED - PUSHJ P,A0TO6 ; CONVERT TO SIXBIT - IDPB 0,D ;DEPOSIT INTO SIX BIT - TRNN A,77 ;IS OUTPUT FULL - JRST NEXCHR ; NO, GET NEXT -SIXDON: SUB TP,[2,,2] ;FIX UP TP - POP P,E - EXCH A,(P) ;LEAVE RESULT ON P-STACK - JRST (A) ;NOW RETURN - - -;SUBROUTINE TO CONVERT SIXBIT TO ATOM - -6TOCHS: PUSH P,E - PUSH P,D - MOVEI B,0 ;MAX NUMBER OF CHARACTERS - PUSH P,[0] ;STRING WILL GO ON P SATCK - JUMPE A,GETATM ; EMPTY, LEAVE - MOVEI E,-1(P) ;WILL BE BYTE POINTER - HRLI E,10700 ;SET IT UP - PUSH P,[0] ;SECOND POSSIBLE WORD - MOVE D,[440600,,A] ;INPUT BYTE POINTER -6LOOP: ILDB 0,D ;START CHAR GOBBLING - ADDI 0,40 ;CHANGET TOASCII - IDPB 0,E ;AND STORE IT - TLNN D,770000 ; SKIP IF NOT DONE - JRST 6LOOP1 - TDNN A,MSKS(B) ; CHECK IF JUST SPACES LEFT - AOJA B,GETATM ; YES, DONE - AOJA B,6LOOP ;KEEP LOOKING -6LOOP1: PUSH P,[6] ;IF ARRIVE HERE, STRING IS 2 WORDS - JRST .+2 -GETATM: MOVEM B,(P) ;SET STRING LENGTH=1 - PUSHJ P,CHMAK ;MAKE A MUDDLE STRING - POP P,D - POP P,E - POPJ P, - -MSKS: 7777,,-1 - 77,,-1 - ,,-1 - 7777 - 77 - - -; CONVERT ONE CHAR - -A0TO6: CAIL 0,141 ;IF IT IS GREATER OR EQUAL TO LOWER A - CAILE 0,172 ;BUT LESS THAN OR EQUAL TO LOWER Z - JRST .+2 ;THEN - SUBI 0,40 ;CONVERT TO UPPER CASE - SUBI 0,40 ;NOW TO SIX BIT - JUMPL 0,BAD6 ;CHECK FOR A WINNER - CAILE 0,77 - JRST BAD6 - POPJ P, - -; SUBR TO DELETE AND RENAME FILES - -MFUNCTION RENAME,SUBR - - ENTRY - - JUMPGE AB,TFA - PUSH TP,$TPDL - PUSH TP,P ; SAVE P-STACK BASE - GETYP 0,(AB) ; GET 1ST ARG TYPE -IFN ITS,[ - CAIN 0,TCHAN ; CHANNEL? - JRST CHNRNM ; MUST BE RENAME WHILE OPEN FOR WRITING -] -IFE ITS,[ - PUSH P,[100000,,0] - PUSH P,[377777,,377777] -] - MOVSI E,-4 ; 4 THINGS TO PUSH -RNMALP: MOVE B,@RNMTBL(E) - PUSH P,E - PUSHJ P,IDVAL1 - POP P,E - GETYP 0,A - CAIE 0,TCHSTR ; SKIP IF WINS - JRST RNMLP1 - -IFN ITS, PUSHJ P,STRTO6 ; CONVERT TO SIXBIT -IFE ITS, PUSH P,B ; PUSH BYTE POINTER - JRST .+2 - -RNMLP1: PUSH P,RNSTBL(E) ; USE DEFAULT - AOBJN E,RNMALP - -IFN ITS,[ - PUSHJ P,RGPRS ; PARSE THE ARGS - JRST RNM1 ; COULD BE A RENAME - -; HERE TO DELETE A FILE - -DELFIL: MOVEI A,0 ; SETUP FDELE - EXCH A,(P) ; AND GET SNAME - .SUSET [.SSNAM,,A] - HLRZS -3(P) ; FIXUP DEVICE - .FDELE -3(P) ; DO IT TO IT - JRST FDLST ; ANALYSE ERROR - -FDLWON: MOVSI A,TATOM - MOVE B,MQUOTE T - JRST FINIS -] -IFE ITS,[ - MOVE A,(TP) ; GET BASE OF PDL - MOVEI A,1(A) ; POINT TO CRAP - MOVE B,1(AB) ; STRING POINTER - PUSH P,[0] - PUSH P,[0] - PUSH P,[0] - GTJFN ; GET A JFN - JRST TDLLOS ; LOST - ADD AB,[2,,2] ; PAST ARG - JUMPL AB,RNM1 ; GO TRY FOR RENAME - MOVE P,(TP) ; RESTORE P STACK - MOVEI C,(A) ; FOR RELEASE - DELF ; ATTEMPT DELETE - JRST DELLOS ; LOSER - RLJFN ; MAKE SURE FLUSHED - JFCL - -FDLWON: MOVSI A,TATOM - MOVE B,MQUOTE T - JRST FINIS - -RNMLOS: PUSH P,A - MOVEI A,(B) - RLJFN - JFCL -DELLO1: MOVEI A,(C) - RLJFN - JFCL - POP P,A ; ERR NUMBER BACK -TDLLOS: PUSHJ P,TGFALS ; GET FALSE WITH REASON - JRST FINIS - -DELLOS: PUSH P,A ; SAVE ERROR - JRST DELLO1 -] - -;TABLE OF REANMAE DEFAULTS -IFN ITS,[ -RNMTBL: IMQUOTE DEV - IMQUOTE NM1 - IMQUOTE NM2 - IMQUOTE SNM - -RNSTBL: SIXBIT /DSK _MUDS_> / -] -IFE ITS,[ -RNMTBL: IMQUOTE DEV - IMQUOTE SNM - IMQUOTE NM1 - IMQUOTE NM2 - -RNSTBL: -1,,[ASCIZ /DSK/] - 0 - -1,,[ASCIZ /_MUDS_/] - -1,,[ASCIZ /MUD/] -] -; HERE TO DO A RENAME - -RNM1: JUMPGE AB,TMA ; IF ARGS EXHAUSTED, MUST BE TOO MUCH STRING - GETYP 0,(AB) - MOVE C,1(AB) ; GET ARG - CAIN 0,TATOM ; IS IT "TO" - CAME C,MQUOTE TO - JRST WRONGT ; NO, LOSE - ADD AB,[2,,2] ; BUMP PAST "TO" - JUMPGE AB,TFA -IFN ITS,[ - MOVEM P,T.SPDL+1(TB) ; SAVE NEW P-BASE - - MOVEI 0,4 ; FOUR DEFAULTS - PUSH P,-3(P) ; DEFAULT DEVICE IS CURRENT - SOJN 0,.-1 - - PUSHJ P,RGPRS ; PARSE THE NEXT STRING - JRST TMA - - HLRZS A,-7(P) ; FIX AND GET DEV1 - HLRZS B,-3(P) ; SAME FOR DEV2 - CAIE A,(B) ; SAME? - JRST DEVDIF - - POP P,A ; GET SNAME 2 - CAME A,(P)-3 ; SNAME 1 - JRST DEVDIF - .SUSET [.SSNAM,,A] - POP P,-2(P) ; MOVE NAMES DOWN - POP P,-2(P) - .FDELE -4(P) ; TRY THE RENAME - JRST FDLST - JRST FDLWON - -; HERE FOR RENAME WHILE OPEN FOR WRITING - -CHNRNM: ADD AB,[2,,2] ; NEXT ARG - JUMPGE AB,TFA - MOVE B,-1(AB) ; GET CHANNEL - SKIPN CHANNO(B) ; SKIP IF OPEN - JRST BADCHN - MOVE A,DIRECT-1(B) ; CHECK DIRECTION - MOVE B,DIRECT(B) - PUSHJ P,STRTO6 ; TO 6 BIT - POP P,A - CAME A,[SIXBIT /PRINT/] - CAMN A,[SIXBIT /PRINTB/] - JRST CHNRN1 - CAME A,[SIXBIT /PRINTO/] - JRST WRONGD - -; SET UP .FDELE BLOCK - -CHNRN1: PUSH P,[0] - PUSH P,[0] - MOVEM P,T.SPDL+1(TB) - PUSH P,[0] - PUSH P,[SIXBIT /_MUDL_/] - PUSH P,[SIXBIT />/] - PUSH P,[0] - - PUSHJ P,RGPRS ; PARSE THESE - JRST TMA - - SUB P,[1,,1] ; SNAME/DEV IGNORED - MOVE AB,ABSAV(TB) ; GET ORIG ARG POINTER - MOVE B,1(AB) - MOVE A,CHANNO(B) ; ITS CHANNEL # - MOVEM A,-2(P) - .FDELE -4(P) - JRST FDLST - MOVEI A,-4(P) ; SET UP FOR RDCHST - HRL A,CHANNO(B) - .RCHST A, - MOVE A,-3(P) ; UPDATE CHANNEL - PUSHJ P,6TOCHS ; GET A STRING - MOVE C,1(AB) - MOVEM A,RNAME1-1(C) - MOVEM B,RNAME1(C) - MOVE A,-2(P) - PUSHJ P,6TOCHS - MOVE C,1(AB) - MOVEM A,RNAME2-1(C) - MOVEM B,RNAME2(C) - MOVE B,1(AB) - MOVSI A,TCHAN - JRST FINIS -] -IFE ITS,[ - PUSH P,A - MOVE A,(TP) ; PBASE BACK - PUSH A,[400000,,0] - MOVEI A,(A) - MOVE B,1(AB) - GTJFN - JRST TDLLOS - POP P,B - EXCH A,B - MOVEI C,(A) ; FOR RELEASE ATTEMPT - RNAMF - JRST RNMLOS - MOVEI A,(B) - RLJFN ; FLUSH JFN - JFCL - MOVEI A,(C) ; MAKE SURR OTHER IS FLUSHED - RLJFN - JFCL - JRST FDLWON -] -; HERE FOR LOSING .FDELE - -FDLST: .STATUS 0,A ; GET STATUS - PUSHJ P,GFALS ; ANALYZE IT - JRST FINIS - -; SOME .FDELE ERRORS - -DEVDIF: PUSH TP,$TATOM - PUSH TP,EQUOTE DEVICE-OR-SNAME-DIFFERS - JRST CALER1 - - ; HERE TO RESET A READ CHANNEL - -MFUNCTION FRESET,SUBR,RESET - - ENTRY 1 - GETYP A,(AB) - CAIE A,TCHAN - JRST WTYP1 - MOVE B,1(AB) ;GET CHANNEL - SKIPN IOINS(B) ; OPEN? - JRST REOPE1 ; NO, IGNORE CHECKS -IFN ITS,[ - MOVE A,STATUS(B) ;GET STATUS - ANDI A,77 - JUMPE A,REOPE1 ;IF IT CLOSED, JUST REOPEN IT, MAYBE? - CAILE A,2 ;SKIPS IF TTY FLAVOR - JRST REOPEN -] -IFE ITS,[ - MOVE A,CHANNO(B) - CAIE A,100 ; TTY-IN - CAIN A,101 ; TTY-OUT - JRST .+2 - JRST REOPEN -] - CAME B,TTICHN+1(TVP) - CAMN B,TTOCHN+1(TVP) - JRST REATTY -REATT1: MOVEI B,DIRECT-1(B) ;POINT TO DIRECTION - PUSHJ P,CHRWRD ;CONVERT TO A WORD - JFCL - CAME B,[ASCII /READ/] - JRST TTYOPN - MOVE B,1(AB) ;RESTORE CHANNEL - PUSHJ P,RRESET" ;DO REAL RESET - JRST TTYOPN - -REOPEN: PUSH TP,(AB) ;FIRST CLOSE IT - PUSH TP,(AB)+1 - MCALL 1,FCLOSE - MOVE B,1(AB) ;RESTORE CHANNEL - -; SET UP TEMPS FOR OPNCH - -REOPE1: PUSH P,[0] ; WILL HOLD DIR CODE - PUSH TP,$TPDL - PUSH TP,P - IRP A,,[DIRECT,RNAME1,RNAME2,RDEVIC,RSNAME,ACCESS] - PUSH TP,A-1(B) - PUSH TP,A(B) - TERMIN - - PUSH TP,$TCHAN - PUSH TP,1(AB) - - MOVE A,T.DIR(TB) - MOVE B,T.DIR+1(TB) ; GET DIRECTION - PUSHJ P,CHMOD ; CHECK THE MODE - MOVEM A,(P) ; AND STORE IT - -; NOW SET UP OPEN BLOCK IN SIXBIT -IFN ITS,[ - MOVSI E,-4 ; AOBN PNTR -FRESE2: MOVE B,T.CHAN+1(TB) - MOVEI A,@RDTBL(E) ; GET ITEM POINTER - GETYP 0,-1(A) ; GET ITS TYPE - CAIE 0,TCHSTR - JRST FRESE1 - MOVE B,(A) ; GET STRING - MOVE A,-1(A) - PUSHJ P,STRTO6 -FRESE3: AOBJN E,FRESE2 - HLRZS -3(P) ; FIX DEVICE SPEC -] -IFE ITS,[ - MOVE B,T.CHAN+1(TB) - MOVE A,RDEVIC-1(B) - MOVE B,RDEVIC(B) - PUSHJ P,STRTO6 ; RESULT ON STACK - HLRZS (P) -] - - PUSH P,[0] ; PUSH UP SOME DUMMIES - PUSH P,[0] - PUSH P,[0] - PUSHJ P,OPNCH ; ATTEMPT TO DO THEOPEN - GETYP 0,A - CAIE 0,TCHAN - JRST FINIS ; LEAVE IF FALSE OR WHATEVER - -DRESET: MOVE A,(AB) - MOVE B,1(AB) - SETZM CHRPOS(B) ;INITIALIZE THESE PARAMETERS - SETZM LINPOS(B) - SETZM ACCESS(B) - JRST FINIS - -TTYOPN: MOVE B,1(AB) - CAME B,TTOCHN+1(TVP) - CAMN B,TTICHN+1(TVP) - PUSHJ P,TTYOP2 - PUSHJ P,DOSTAT - DOTCAL RSSIZE,[CHANNO(B),[2000,,C],[2000,,D]] - FATAL .CALL FAILURE - MOVEM C,PAGLN(B) - MOVEM D,LINLN(B) - JRST DRESET - -IFN ITS,[ -FRESE1: CAIE 0,TFIX - JRST BADCHN - PUSH P,(A) - JRST FRESE3 -] - -; INTERFACE TO REOPEN CLOSED CHANNELS - -OPNCHN: PUSH TP,$TCHAN - PUSH TP,B - MCALL 1,FRESET - POPJ P, - -REATTY: PUSHJ P,TTYOP2 - SKIPE NOTTY - JRST DRESET - MOVE B,1(AB) - JRST REATT1 - -; FUNCTION TO LIST ALL CHANNELS - -MFUNCTION CHANLIST,SUBR - - ENTRY 0 - - MOVEI A,N.CHNS-1 ;MAX # OF REAL CHANNELS - MOVEI C,0 - MOVEI B,CHNL1(TVP) ;POINT TO FIRST REAL CHANNEL - -CHNLP: SKIPN 1(B) ;OPEN? - JRST NXTCHN ;NO, SKIP - HRRZ E,(B) ; ABOUT TO FLUSH? - JUMPN E,NXTCHN ; YES, FORGET IT - MOVE D,1(B) ; GET CHANNEL - HRRZ E,CHANNO-1(D) ; GET REF COUNT - PUSH TP,(B) - PUSH TP,1(B) - ADDI C,1 ;COUNT WINNERS - SOJGE E,.-3 ; COUNT THEM -NXTCHN: ADDI B,2 - SOJN A,CHNLP - - SKIPN B,CHNL0(TVP)+1 ;NOW HACK LIST OF PSUEDO CHANNELS - JRST MAKLST -CHNLS: PUSH TP,(B) - PUSH TP,(B)+1 - ADDI C,1 - HRRZ B,(B) - JUMPN B,CHNLS - -MAKLST: ACALL C,LIST - JRST FINIS - - ; ROUTINE TO RESTORE A CLOSED CHANNEL TO ITS PREVIOUS STATE - - -REOPN: PUSH TP,$TCHAN - PUSH TP,B - SKIPN CHANNO(B) ; ONLY REAL CHANNELS - JRST PSUEDO - -IFN ITS,[ - MOVSI E,-4 ; SET UP POINTER FOR NAMES - -GETOPB: MOVE B,(TP) ; GET CHANNEL - MOVEI A,@RDTBL(E) ; GET POINTER - MOVE B,(A) ; NOW STRING - MOVE A,-1(A) - PUSHJ P,STRTO6 ; LEAVES SIXBIT ON STACK - AOBJN E,GETOPB -] -IFE ITS,[ - MOVE A,RDEVIC-1(B) - MOVE B,RDEVIC(B) - PUSHJ P,STRTO6 ; GET DEV NAME IN SIXBIT -] - MOVE B,(TP) ; RESTORE CHANNEL - MOVE A,DIRECT-1(B) - MOVE B,DIRECT(B) - PUSHJ P,CHMOD ; CHECK FOR A VALID MODE - -IFN ITS, HLRZS E,-3(P) ; GET DEVICE IN PROPER PLACE -IFE ITS, HLRZS E,(P) - MOVE B,(TP) ; RESTORE CHANNEL - CAIN E,(SIXBIT /DSK/) - JRST DISKH ; DISK WINS IMMEIDATELY - CAIN E,(SIXBIT /TTY/) ; NO NEED TO RE-OPEN THE TTY - JRST REOPD1 -IFN ITS,[ - ANDI E,777700 ; COULD BE "UTn" - MOVE D,CHANNO(B) ; GET CHANNEL - ASH D,1 - ADDI D,CHNL0(TVP) ; DON'T SEEM TO BE OPEN - SETZM 1(D) - SETZM CHANNO(B) - CAIN E,(SIXBIT /UT /) - JRST REOPD ; CURRENTLY, CANT RESTORE UTAPE CHANNLES - CAIN E,(SIXBIT /AI /) - JRST REOPD ; CURRENTLY CANT RESTORE AI CHANNELS - CAIN E,(SIXBIT /ML /) - JRST REOPD ; CURRENTLY CANT RESTORE ML CHANNELS - CAIN E,(SIXBIT /DM /) - JRST REOPD ; CURRENTLY CANT RESTORE DM CHANNELS -] - PUSH TP,$TCHAN ; TRY TO RESET IT - PUSH TP,B - MCALL 1,FRESET - -IFN ITS,[ -REOPD1: AOS -4(P) -REOPD: SUB P,[4,,4] -] -IFE ITS,[ -REOPD1: AOS -1(P) -REOPD: SUB P,[1,,1] -] -REOPD0: SUB TP,[2,,2] - POPJ P, - -IFN ITS,[ -DISKH: MOVE C,(P) ; SNAME - .SUSET [.SSNAM,,C] -] -IFE ITS,[ -DISKH: MOVEM A,(P) ; SAVE MODE WORD - PUSHJ P,STSTK ; STRING TO STACK - MOVE A,(E) ; RESTORE MODE WORD - PUSH TP,$TPDL - PUSH TP,E ; SAVE PDL BASE - MOVE B,-2(TP) ; CHANNEL BACK TO B -] - MOVE C,ACCESS(B) ; GET CHANNELS ACCESS - TRNN A,2 ; SKIP IF NOT ASCII CHANNEL - JRST DISKH1 - HRRZ D,ACCESS-1(B) ; IF PARTIAL WORD OUT - IMULI C,5 ; TO CHAR ACCESS - JUMPE D,DISKH1 ; NO SWEAT - ADDI C,(D) - SUBI C,5 -DISKH1: HRRZ D,BUFSTR-1(B) ; ANY CHARS IN MUDDLE BUFFER - JUMPE D,DISKH2 - PUSH P,A - PUSH P,C - MOVEI C,BUFSTR-1(B) - PUSHJ P,BYTDOP ; FIND LENGTH OF WHOLE BUFFER - HLRZ D,(A) ; LENGTH + 2 TO D - SUBI D,2 - IMULI D,5 ; TO CHARS - POP P,C - POP P,A -DISKH2: SUBI C,(D) ; UPDATE CHAR ACCESS - IDIVI C,5 ; BACK TO WORD ACCESS - IORI A,6 ; BLOCK IMAGE -IFN ITS,[ - TRNE A,1 - IORI A,100000 ; WRITE OVER BIT - HRLM A,-3(P) - MOVEI A,-3(P) - PUSHJ P,DOOPN - JRST REOPD - MOVE A,C ; ACCESS TO A - PUSHJ P,GETFLN ; CHECK LENGTH - CAIGE 0,(A) ; CHECK BOUNDS - JRST .+3 ; COMPLAIN - PUSHJ P,DOACCS ; AND ACESS - JRST REOPD1 ; SUCCESS - - MOVE A,CHANNO(B) ; CLOSE THE G.D. CHANNEL - PUSHJ P,MCLOSE - JRST REOPD - -DOACCS: PUSH P,A - HRLZ A,CHANNO(B) - ASH A,5 - IOR A,[.ACCESS (P)] - XCT A - POP P,A - POPJ P, - -DOIOTO: -DOIOTI: -DOIOT: - PUSH P,0 - MOVSI 0,TCHAN - MOVEM 0,BSTO(PVP) ; IN CASE OF INTERRUPT - ENABLE - HRLZ 0,CHANNO(B) - ASH 0,5 - IOR 0,[.IOT A] - XCT 0 - DISABLE - SETZM BSTO(PVP) - POP P,0 - POPJ P, - -GETFLN: MOVE 0,CHANNO(B) ; GET CHANNEL - .CALL FILBLK ; READ LNTH - .VALUE - POPJ P, - -FILBLK: SETZ - SIXBIT /FILLEN/ - 0 - 402000,,0 ; STUFF RESULT IN 0 -] -IFE ITS,[ - - HRROI B,1(E) ; TENEX STRING POINTER - MOVEI A,1(P) ; A POINT TO BLOCK OF INFO - PUSH P,[100400,,0] ; FORCE JFN REUSE AND ONLY ACCEPT EXISTING FILE - PUSH P,[377777,,377777] ; NO I/O FOR CORRECTIONS ETC. - REPEAT 6,PUSH P,[0] ; OTHER SLOTS - MOVE D,-2(TP) ; CHANNEL BACK - PUSH P,CHANNO(D) ; AND DESIRED JFN - GTJFN ; GO GET IT - JRST RGTJL ; COMPLAIN - MOVE P,(TP) ; RESTORE P - MOVE A,(P) ; MODE WORD BACK - MOVE B,[440000,,200000] ; FLAG BITS - TRNE A,1 ; SKIP FOR INPUT - TRC B,300000 ; CHANGE TO WRITE - MOVE A,CHANNO(D) ; GET JFN - OPENF - JRST ROPFLS - MOVE E,C ; LENGTH TO E - SIZEF ; GET CURRENT LENGTH - JRST ROPFLS - CAMGE B,E ; STILL A WINNER - JRST ROPFLS - MOVE A,-2(TP) ; CHANNEL - MOVE A,CHANNO(A) ; JFN - MOVE B,C - SFPTR - JRST ROPFLS - SUB TP,[2,,2] ; FLUSH PDL POINTER - JRST REOPD1 - -ROPFLS: MOVE A,-2(TP) - MOVE A,CHANNO(A) - CLOSF ; ATTEMPT TO CLOSE - JFCL ; IGNORE FAILURE - SKIPA - -RGTJL: MOVE P,(TP) - SUB TP,[2,,2] - JRST REOPD - -DOACCS: PUSH P,B - EXCH A,B - MOVE A,CHANNO(A) - SFPTR - JRST ACCFAI - POP P,B - POPJ P, -] -PSUEDO: AOS (P) ; ASSUME SUCCESS FOR NOW - MOVEI B,RDEVIC-1(B) ; SEE WHAT DEVICE IS - PUSHJ P,CHRWRD - JFCL - CAME B,[ASCII /E&S/] ; DISPLAY ? - CAMN B,[ASCII /DIS/] - SKIPA B,(TP) ; YES, REGOBBLE CHANNEL AND CONTINUE - JRST REOPD0 ; NO, RETURN HAPPY - PUSHJ P,DISROP - SOS (P) ; DISPLAY DID NOT REOPEN, UNDO ASSUMPTION OF SUCCESS - JRST REOPD0 - - ;THIS PROGRAM CLOSES THE SPECIFIED CHANNEL - -MFUNCTION FCLOSE,SUBR,[CLOSE] - - ENTRY 1 ;ONLY ONE ARG - GETYP A,(AB) ;CHECK ARGS - CAIE A,TCHAN ;IS IT A CHANNEL - JRST WTYP1 - MOVE B,1(AB) ;PICK UP THE CHANNEL - HRRZ A,CHANNO-1(B) ; GET REF COUNT - SOJGE A,CFIN5 ; NOT READY TO REALLY CLOSE - CAME B,TTICHN+1(TVP) ; CHECK FOR TTY - CAMN B,TTOCHN+1(TVP) - JRST CLSTTY - MOVE A,[JRST CHNCLS] - MOVEM A,IOINS(B) ;CLOBBER THE IO INS - MOVE A,RDEVIC-1(B) ;GET THE NAME OF THE DEVICE - MOVE B,RDEVIC(B) - PUSHJ P,STRTO6 - HLRZS A,(P) - MOVE B,1(AB) ; RESTORE CHANNEL - CAIE A,(SIXBIT /E&S/) - CAIN A,(SIXBIT /DIS/) - PUSHJ P,DISCLS - MOVE B,1(AB) ; IN CASE CLOBBERED BY DISCLS - SKIPN A,CHANNO(B) ;ANY REAL CHANNEL? - JRST REMOV ; NO, EITHER CLOSED OR PSEUDO CHANNEL - - MOVE A,DIRECT-1(B) ; POINT TO DIRECTION - MOVE B,DIRECT(B) - PUSHJ P,STRTO6 ; CONVERT TO WORD - POP P,A - LDB E,[140600,,(P)] ; FIRST CHAR OD DEV NAME - CAIE E,'T ; SKIP IF TTY - JRST CFIN4 - CAME A,[SIXBIT /READ/] ; SKIP IF WINNER - JRST CFIN1 -IFN ITS,[ - MOVE B,1(AB) ; IN ITS CHECK STATUS - LDB A,[600,,STATUS(B)] - CAILE A,2 - JRST CFIN1 -] - PUSH TP,$TCHSTR - PUSH TP,CHQUOTE CHAR - PUSH TP,(AB) - PUSH TP,1(AB) - MCALL 2,OFF ; TURN OFF INTERRUPT -CFIN1: MOVE B,1(AB) - MOVE A,CHANNO(B) -IFN ITS,[ - PUSHJ P,MCLOSE -] -IFE ITS,[ - TLZ A,400000 ; FOR JFN RELEASE - CLOSF ; CLOSE THE FILE AND RELEASE THE JFN - JFCL - MOVE A,CHANNO(B) -] -CFIN: LSH A,1 - ADDI A,CHNL0+1(TVP) ;POINT TO THIS CHANNELS LSOT - SETZM CHANNO(B) - SETZM (A) ;AND CLOBBER IT - HLLZS BUFSTR-1(B) - SETZM BUFSTR(B) - HLLZS ACCESS-1(B) -CFIN2: HLLZS -4(B) - MOVSI A,TCHAN ;RETURN THE CHANNEL - JRST FINIS - -CLSTTY: PUSH TP,$TATOM - PUSH TP,EQUOTE ATTEMPT-TO-CLOSE-TTY-CHANNEL - JRST CALER1 - - -REMOV: MOVEI D,CHNL0(TVP)+1 ;ATTEMPT TO REMOVE FROM PSUEDO CHANNEL LIST -REMOV0: SKIPN C,D ;FOUND ON LIST ? - JRST CFIN2 ;NO, JUST IGNORE THIS CLOSED CHANNEL - HRRZ D,(C) ;GET POINTER TO NEXT - CAME B,(D)+1 ;FOUND ? - JRST REMOV0 - HRRZ D,(D) ;YES, SPLICE IT OUT - HRRM D,(C) - JRST CFIN2 - - -; CLOSE UP ANY LEFTOVER BUFFERS - -CFIN4: CAME A,[SIXBIT /PRINTO/] - CAMN A,[SIXBIT /PRINTB/] - JRST .+3 - CAME A,[SIXBIT /PRINT/] - JRST CFIN1 - MOVE B,1(AB) ; GET CHANNEL - GETYP 0,BUFSTR-1(B) ; IS THERE AN OUTPUT BUFFER - SKIPN BUFSTR(B) - JRST CFIN1 - CAIE 0,TCHSTR - JRST CFINX1 -IFE ITS, PUSH P,A ; SAVE MODE - PUSHJ P,BFCLOS -IFE ITS,[ - POP P,A ; RESTORE MODE - MOVE 0,RDEVIC(B) - ILDB 0,0 - CAIN 0,"D - CAME A,[SIXBIT /PRINT/] - JRST CFINX1 - MOVE A,CHANNO(B) ; GET JFN - TLO A,400000 ; BIT MEANS DONT RELEASE JFN - CLOSF ; CLOSE THE FILE - FATAL CLOSF LOST? - MOVE E,B ; SAVE CHANNEL - MOVE A,CHANNO(B) - HRLI A,11 - MOVSI B,7700 ; MASK - MOVSI C,700 ; MAKE NEW SIZE 7 - CHFDB - HRLI A,12 - SETOM B - MOVE C,ACCESS(E) ; LENGTH IN CHARS - CHFDB -] - HLLZS BUFSTR-1(B) - SETZM BUFSTR(B) -CFINX1: HLLZS ACCESS-1(B) - JRST CFIN1 - -CFIN5: HRRM A,CHANNO-1(B) - JRST CFIN2 - ;SUBR TO DO .ACCESS ON A READ CHANNEL -;FORM: -;POSITIONS CHANNEL AT CHARACTER POSN FIX-NUMBER -;H. BRODIE 7/26/72 - -MFUNCTION MACCESS,SUBR,[ACCESS] - ENTRY 2 ;ARGS: CHANNEL AND FIX-NUMBER - -;CHECK ARGUMENT TYPES - GETYP A,(AB) - CAIE A,TCHAN ;FIRST ARG SHOULD BE CHANNEL - JRST WTYP1 - GETYP A,2(AB) ;TYPE OF SECOND - CAIE A,TFIX ;SHOULD BE FIX - JRST WTYP2 - -;CHECK DIRECTION OF CHANNEL - MOVE B,1(AB) ;B GETS PNTR TO CHANNEL - MOVEI B,DIRECT-1(B) ;GET DIRECTION OF CHANNEL - PUSHJ P,CHRWRD ;GRAB THE CHAR STRNG - JFCL - CAME B,[+1] - JRST MACCA - PUSH P,[2] ;ACCESS ON PRINTB CHANNEL - MOVE B,1(AB) - SKIPE BUFSTR(B) ;SEE IF WE MUST FLUSH PART BUFFER - PUSHJ P,BFCLS1 - JRST MACC -MACCA: PUSH P,[0] ; READ RATHER THAN READB INDICATOR - CAMN B,[ASCIZ /READ/] - JRST .+4 - CAME B,[ASCIZ /READB/] ; READB CHANNEL? - JRST WRONGD - AOS (P) ; SET INDICATOR FOR BINARY MODE - -;CHECK THAT THE CHANNEL IS OPEN -MACC: MOVE B,1(AB) ;GET BACK PTR TO CHANNEL - SKIPN CHANNO(B) ;CLOSED CHANNELS HAVE CHANNO ZEROED OUT - JRST CHNCLS ;IF CHNL CLOSED => ERROR - -;COMPUTE ACCESS PNTR TO ACCESS WORD CHAR IS IN -;REMAINDER IS NUMBER OF TIMES TO INCR BYTE POINTER -ADEVOK: SKIPGE C,3(AB) ;GET CHAR POSN...ALL NEGS = -5 - MOVNI C,-5 -;BUT .ACCESS -1 ISN'T IMPLEMENTED ON ITS YET, SO TELL HIM - JUMPGE C,MACC1 - PUSH TP,$TATOM - PUSH TP,EQUOTE NEGATIVE-ACCESS-NOT-ON-ITS - JRST CALER1 -MACC1: SKIPN (P) - IDIVI C,5 - -;SETUP THE .ACCESS - MOVE B,1(AB) ;GET BACK PTR TO CHANNEL - MOVE A,CHANNO(B) ;A GETS REAL CHANNEL NUMBER -IFN ITS,[ - ROT A,23. ;SET UP IN AC FIELD - IOR A,[.ACCESS 0,C] ;C CONTAINS PLACE TO ACCESS TO - -;DO IT TO IT! - XCT A -] -IFE ITS,[ - MOVE B,C - SFPTR ; DO IT IN TENEX - JRST ACCFAI - MOVE B,1(AB) ; RESTORE CHANNEL -] - POP P,E ; CHECK FOR READB MODE - CAIN E,2 - JRST DONADV ; PRINTB CHANNEL - SKIPE BUFSTR(B) ; IS THERE A READ BUFFER TO FLUSH - JRST .+3 - SETZM LSTCH(B) ; CLEAR OUT POSSIBLE EOF INDICATOR - JRST DONADV - -;NOW FORCE GETCHR TO DO A .IOT FIRST THING - MOVEI C,BUFSTR-1(B) ; FIND END OF STRING - PUSHJ P,BYTDOP" - SUBI A,2 ; LAST REAL WORD - HRLI A,010700 - MOVEM A,BUFSTR(B) - HLLZS BUFSTR-1(B) ; CLOBBER CHAR COUNT - MOVEM A,BUFSTR(B) - SETZM LSTCH(B) ;CLOBBER READ'S HIDDEN CHARACTER - -;NOW DO THE APPROPRIATE NUM OF BYTE ADVANCEMENTS - JUMPLE D,DONADV -ADVPTR: PUSHJ P,GETCHR - MOVE B,1(AB) ;RESTORE IN CASE CLOBBERED - SOJG D,ADVPTR - -DONADV: MOVE C,3(AB) ;FIXUP ACCESS SLOT IN CHNL - MOVEM C,ACCESS(B) - MOVE A,$TCHAN ;TYPE OF RESULT = "CHANNEL" - JRST FINIS ;DONE...B CONTAINS CHANNEL - -IFE ITS,[ -ACCFAI: PUSH TP,$TATOM - PUSH TP,EQUOTE ACCESS-FAILURE - JRST CALER1 -] - - -;WRONG TYPE OF DEVICE ERROR -WRDEV: PUSH TP,$TATOM - PUSH TP,EQUOTE NON-DSK-DEVICE - JRST CALER1 - -; BINARY READ AND PRINT ROUTINES - -MFUNCTION PRINTB,SUBR - - ENTRY 2 - -PBFL: PUSH P,. ; PUSH NON-ZERONESS - JRST BINI1 - -MFUNCTION READB,SUBR - - ENTRY - - PUSH P,[0] - HLRZ 0,AB - CAIG 0,-3 - CAIG 0,-7 - JRST WNA - -BINI1: GETYP 0,(AB) ; SHOULD BE UVEC OR STORE - CAIN 0,TUVEC - JRST BINI2 - CAIE 0,TSTORAGE - JRST WTYP1 ; ELSE LOSE -BINI2: MOVE B,1(AB) ; GET IT - HLRE C,B - SUBI B,(C) ; POINT TO DOPE - GETYP A,(B) - PUSHJ P,SAT" ; GET ITS ST.ALOC.TYPE - CAIE A,S1WORD - JRST WTYP1 - GETYP 0,2(AB) - CAIE 0,TCHAN ; BETTER BE A CHANNEL - JRST WTYP2 - MOVE B,3(AB) ; GET IT - MOVEI B,DIRECT-1(B) ; GET DIRECTION OF - PUSHJ P,CHRWRD ; INTO 1 WORD - JFCL - MOVNI E,1 - CAMN B,[ASCII /READB/] - MOVEI E,0 - CAMN B,[+1] - MOVE E,PBFL - JUMPL E,WRONGD ; LOSER - CAME E,(P) ; CHECK WINNGE - JRST WRONGD - MOVE B,3(AB) ; GET CHANNEL BACK - SKIPN A,IOINS(B) ; OPEN? - PUSHJ P,OPENIT ; LOSE - CAMN A,[JRST CHNCLS] - JRST CHNCLS ; LOSE, CLOSED - JUMPN E,BUFOU1 ; JUMP FOR OUTPUT - CAML AB,[-5,,] ; SKIP IF EOF GIVEN - JRST BINI5 - MOVE 0,4(AB) - MOVEM 0,EOFCND-1(B) - MOVE 0,5(AB) - MOVEM 0,EOFCND(B) -BINI5: SKIPE LSTCH(B) ; INDICATES IF EOF HIT - JRST BINEOF - MOVE A,1(AB) ; GET VECTOR - PUSHJ P,PGBIOI ; READ IT - HLRE C,A ; GET COUNT DONE - HLRE D,1(AB) ; AND FULL COUNT - SUB C,D ; C=> TOTAL READ - ADDM C,ACCESS(B) - JUMPGE A,BINIOK ; NOT EOF YET - SETOM LSTCH(B) -BINIOK: MOVE B,C - MOVSI A,TFIX ; RETURN AMOUNT ACTUALLY READ - JRST FINIS - -BUFOU1: SKIPE BUFSTR(B) ; ANY BUFFERS AROUND? - PUSHJ P,BFCLS1 ; GET RID OF SAME - MOVE A,1(AB) - PUSHJ P,PGBIOO - HLRE C,1(AB) - MOVNS C - addm c,ACCESS(B) - MOVE A,(AB) ; RET VECTOR ETC. - MOVE B,1(AB) - JRST FINIS - - -BINEOF: PUSH TP,EOFCND-1(B) - PUSH TP,EOFCND(B) - PUSH TP,$TCHAN - PUSH TP,B - MCALL 1,FCLOSE ; CLOSE THE LOSER - MCALL 1,EVAL - JRST FINIS - -OPENIT: PUSH P,E - PUSHJ P,OPNCHN ;TRY TO OPEN THE LOSER - JUMPE B,CHNCLS ;FAIL - POP P,E - POPJ P, - ; THESE SUBROUTINES BY NDR 9/16/73 TO FACILITATE THE -; TYPES OF IO NECESSARY TO MAKE MORE EFFICIENT USE OF -; THE NETWORK AND DO RELATED FILE TRANSFER TYPE OF JOBS. - -R1CHAR: SKIPN A,LSTCH(B) ; CHAR READING ROUTINE FOR FCOPY - PUSHJ P,RXCT - MOVEM A,LSTCH(B) - JUMPL A,.+2 ; IN CASE OF -1 ON STY - TRZN A,400000 ; EXCL HACKER - JRST .+4 - MOVEM A,LSTCH(B) ; SAVE DE-EXCLED CHAR - MOVEI A,"! - JRST .+2 - SETZM LSTCH(B) - PUSH P,C - HRRZ C,DIRECT-1(B) - CAIE C,5 ; IF DIRECTION IS 5 LONG THEN READB - JRST R1CH1 - AOS C,ACCESS-1(B) - CAMN C,[TFIX,,1] - AOS ACCESS(B) ; EVERY FIFTY INCREMENT - CAMN C,[TFIX,,5] - HLLZS ACCESS-1(B) - JRST .+2 -R1CH1: AOS ACCESS(B) - POP P,C - POPJ P, - -W1CHAR: CAIE A,15 ; CHAR WRITING ROUTINE, TEST FOR CR - JRST .+3 - SETOM CHRPOS(B) - AOSA LINPOS(B) - CAIE A,12 ; TEST FOR LF - AOS CHRPOS(B) ; IF NOT LF AOS CHARACTE5R POSITION - CAIE A,14 ; TEST FOR FORM FEED - JRST .+3 - SETZM CHRPOS(B) ; IF FORM FEED ZERO CHARACTER POSITION - SETZM LINPOS(B) ; AND LINE POSITION - CAIE A,11 ; IS THIS A TAB? - JRST .+6 - MOVE C,CHRPOS(B) - ADDI C,7 - IDIVI C,8. - IMULI C,8. ; FIX UP CHAR POS FOR TAB - MOVEM C,CHRPOS(B) ; AND SAVE - PUSH P,C - HRRZ C,DIRECT-1(B) - CAIE C,6 ; SIX LONG MUST BE PRINTB - JRST W1CH1 - AOS C,ACCESS-1(B) - CAMN C,[TFIX,,1] - AOS ACCESS(B) - CAMN C,[TFIX,,5] - HLLZS ACCESS-1(B) - JRST .+2 -W1CH1: AOS ACCESS(B) - PUSHJ P,WXCT - POP P,C - POPJ P, - -R1C: SUBM M,(P) ;LITTLE ENTRY FOR COMPILED STUFF - PUSH TP,$TCHAN ;SAVE THE CHANNEL TO BLESS IT - PUSH TP,B - MOVEI B,DIRECT-1(B) - PUSHJ P,CHRWRD - JFCL - CAME B,[ASCIZ /READ/] - CAMN B,[ASCII /READB/] - JRST .+2 - JRST BADCHN - POP TP,B - POP TP,(TP) - SKIPN IOINS(B) ; IS THE CHANNEL OPEN - PUSHJ P,OPENIT ; NO, GO DO IT - PUSHJ P,GRB ; MAKE SURE WE HAVE A READ BUFFER - PUSHJ P,R1CHAR ; AND GET HIM A CHARACTER - JRST MPOPJ ; THATS ALL FOLKS - -W1C: SUBM M,(P) - PUSHJ P,W1CI - JRST MPOPJ - -W1CI: PUSH TP,$TCHAN - PUSH TP,B - PUSH P,A ; ASSEMBLER ENTRY TO OUTPUT 1 CHAR - MOVEI B,DIRECT-1(B) - PUSHJ P,CHRWRD ; INTERNAL CALL TO W1CHAR - JFCL - CAME B,[ASCII /PRINT/] - CAMN B,[+1] - JRST .+2 - JRST BADCHN - POP TP,B - POP TP,(TP) - SKIPN IOINS(B) ; MAKE SURE THAT IT IS OPEN - PUSHJ P,OPENIT - PUSHJ P,GWB - POP P,A ; GET THE CHAR TO DO - JRST W1CHAR - -; ROUTINES TO REPLACE XCT IOINS(B) FOR INPUT AND OUTPUT -; THEY DO THE XCT THEN CHECK OUT POSSIBLE SCRIPTAGE--BLECH. - - -WXCT: PUSH P,A ; SAVE THE CHAR TO WRITE - PUSH TP,$TCHAN ; AND SAVE THE CHANNEL TOO - PUSH TP,B - XCT IOINS(B) ; DO THE REAL ONE - JRST DOSCPT ; AND CHECK OUT SCRIPTAGE - -RXCT: PUSH TP,$TCHAN - PUSH TP,B ; DO IT FOR READS, SAVE THE CHAN - XCT IOINS(B) ; READ IT - PUSH P,A ; AND SAVE THE CHAR AROUND - JRST DOSCPT ; AND CHECK OUT SCRIPTAGE - -DOSCPT: MOVE B,(TP) ;CHECK FOR SCRIPTAGE - SKIPN SCRPTO(B) ; IF ZERO FORGET IT - JRST SCPTDN ; THATS ALL THERE IS TO IT - PUSH P,C ; SAVE AN ACCUMULATOR FOR CLEANLINESS - GETYP C,SCRPTO-1(B) ; IS IT A LIST - CAIE C,TLIST - JRST BADCHN - PUSH TP,$TLIST - PUSH TP,[0] ; SAVE A SLOT FOR THE LIST - MOVE C,SCRPTO(B) ; GET THE LIST OF SCRIPT CHANNELS -SCPT1: GETYP B,(C) ; GET THE TYPE OF THIS SCRIPT CHAN - CAIE B,TCHAN - JRST BADCHN ; IF IT ISN'T A CHANNEL, COMPLAIN - HRRZ B,(C) ; GET THE REST OF THE LIST IN B - MOVEM B,(TP) ; AND STORE ON STACK - MOVE B,1(C) ; GET THE CHANNEL IN B - MOVE A,-1(P) ; AND THE CHARACTER IN A - PUSHJ P,W1CI ; GO TO INTERNAL W1C, IT BLESSES GOODIES - SKIPE C,(TP) ; GET THE REST OF LIST OF CHANS - JRST SCPT1 ; AND CYCLE THROUGH - SUB TP,[2,,2] ; CLEAN OFF THE LIST OF CHANS - POP P,C ; AND RESTORE ACCUMULATOR C -SCPTDN: POP P,A ; RESTORE THE CHARACTER - POP TP,B ; AND THE ORIGINAL CHANNEL - POP TP,(TP) - POPJ P, ; AND THATS ALL - - -; SUBROUTINE TO COPY FROM INCHAN TO OUTCHAN UNTIL EOF HIT -; ON THE INPUT CHANNEL -; CALL IS WHERE DEFAULTS ARE INCHAN AND OUTCHAN - - MFUNCTION FCOPY,SUBR,[FILECOPY] - - ENTRY - HLRE 0,AB - CAMGE 0,[-4] - JRST WNA ; TAKES FROM 0 TO 2 ARGS - - JUMPE 0,.+4 ; NO FIRST ARG? - PUSH TP,(AB) - PUSH TP,1(AB) ; SAVE IN CHAN - JRST .+6 - MOVE A,$TATOM - MOVE B,IMQUOTE INCHAN - PUSHJ P,IDVAL - PUSH TP,A - PUSH TP,B - HLRE 0,AB ; CHECK FOR SECOND ARG - CAML 0,[-2] ; WAS THERE MORE THAN ONE ARG? - JRST .+4 - PUSH TP,2(AB) ; SAVE SECOND ARG - PUSH TP,3(AB) - JRST .+6 - MOVE A,$TATOM ; LOOK UP OUTCHAN AS DEFAULT - MOVE B,IMQUOTE OUTCHAN - PUSHJ P,IDVAL - PUSH TP,A - PUSH TP,B ; AND SAVE IT - - MOVE A,-3(TP) - MOVE B,-2(TP) ; INPUT CHANNEL - MOVEI 0,0 ; INDICATE INPUT - PUSHJ P,CHKCHN ; CHECK FOR GOOD CHANNEL - MOVE A,-1(TP) - MOVE B,(TP) ; GET OUT CHAN - MOVEI 0,1 ; INDICATE OUT CHAN - PUSHJ P,CHKCHN ; CHECK FOR GOOD OUT CHAN - - PUSH P,[0] ; COUNT OF CHARS OUTPUT - - MOVE B,-2(TP) - PUSHJ P,GRB ; MAKE SURE WE HAVE READ BUFF - MOVE B,(TP) - PUSHJ P,GWB ; MAKE SURE WE HAVE WRITE BUFF - -FCLOOP: MOVE B,-2(TP) - PUSHJ P,R1CHAR ; GET A CHAR - JUMPL A,FCDON ; IF A NEG NUMBER WE GOT EOF - MOVE B,(TP) ; GET OUT CHAN - PUSHJ P,W1CHAR ; SPIT IT OUT - AOS (P) ; INCREMENT COUNT - JRST FCLOOP - -FCDON: SUB TP,[2,,2] ; POP OFF OUTCHAN - MCALL 1,FCLOSE ; CLOSE INCHAN - MOVE A,$TFIX - POP P,B ; GET CHAR COUNT TO RETURN - JRST FINIS - -CHKCHN: PUSH P,0 ; CHECK FOR GOOD TASTING CHANNEL - PUSH TP,A - PUSH TP,B - GETYP C,A - CAIE C,TCHAN - JRST CHKBDC ; GO COMPLAIN IN RIGHT WAY - MOVEI B,DIRECT-1(B) - PUSHJ P,CHRWRD - JRST CHKBDC - MOVE C,(P) ; GET CHAN DIRECT - CAMN B,CHKT(C) - JRST .+4 - ADDI C,2 ; TEST FOR READB OR PRINTB ALSO - CAME B,CHKT(C) ; TEST FOR CORRECT DIRECT - JRST CHKBDC - MOVE B,(TP) - SKIPN IOINS(B) ; MAKE SURE IT IS OPEN - PUSHJ P,OPENIT ; IF ZERO IOINS GO OPEN IT - SUB TP,[2,,2] - POP P, ; CLEAN UP STACKS - POPJ P, - -CHKT: ASCIZ /READ/ - ASCII /PRINT/ - ASCII /READB/ - +1 - -CHKBDC: POP P,E - MOVNI D,2 - IMULI D,1(E) - HLRE 0,AB - CAMLE 0,D ; SEE IF THIS WAS HIS ARG OF DEFAULT - JRST BADCHN - JUMPE E,WTYP1 - JRST WTYP2 - - ; FUNCTIONS READSTRING AND PRINTSTRING WORK LIKE READB AND PRINTB, -; THAT IS THEY READ INTO AND OUT OF STRINGS. IN ADDITION BOTH ACCEPT -; AN ADDITIONAL ARGUMENT WHICH IS THE NUMBER OF CHARS TO READ OR PRINT, IF -; IT IS DESIRED FOR THIS TO BE DIFFERENT THAN THE LENGTH OF THE STRING. - -; FORMAT IS -; AND BOTH SUBRS RETURN THE NUMBER OF CHARS READ OR WRITTEN - -; FORMAT FOR PRINTSTRING IS - -; THESE WERE CODED 9/16/73 BY NEAL D. RYAN - - MFUNCTION RSTRNG,SUBR,READSTRING - - ENTRY - PUSH P,[0] ; FLAG TO INDICATE READING - HLRE 0,AB - CAMG 0,[-1] - CAMG 0,[-9] - JRST WNA ; CHECK THAT IT HAS FROM 1 TO 4 ARGS - JRST STRIO1 - - MFUNCTION PSTRNG,SUBR,PRINTSTRING - - ENTRY - PUSH P,[1] ; FLAG TO INDICATE WRITING - HLRE 0,AB - CAMG 0,[-1] - CAMG 0,[-7] - JRST WNA ; CHECK THAT IT HAS FROM 1 TO 3 ARGS - -STRIO1: PUSH TP,[0] ; SAVE SLOT ON STACK - PUSH TP,[0] - GETYP 0,(AB) - CAIE 0,TCHSTR ; MAKE SURE WE GOT STRING - JRST WTYP1 - HRRZ 0,(AB) ; CHECK FOR EMPTY STRING - SKIPN (P) - JUMPE 0,MTSTRN - HLRE 0,AB - CAML 0,[-2] ; WAS A CHANNEL GIVEN - JRST STRIO2 - GETYP 0,2(AB) - CAIE 0,TCHAN - JRST WTYP2 ; SECOND ARG NOT CHANNEL - MOVE B,3(AB) - MOVEI B,DIRECT-1(B) - PUSHJ P,CHRWRD - JFCL - MOVNI E,1 ; CHECKING FOR GOOD DIRECTION - CAMN B,[ASCII /READ/] - MOVEI E,0 - CAMN B,[ASCII /PRINT/] - MOVEI E,1 - CAMN B,[+1] - MOVEI E,1 - CAMN B,[ASCII /READB/] - MOVEI E,0 - CAME E,(P) - JRST WRONGD ; MAKE SURE CHANNEL IS OPEN IN RIGHT MODE - PUSH TP,2(AB) - PUSH TP,3(AB) ; PUSH ON CHANNEL - JRST STRIO3 -STRIO2: MOVE B,IMQUOTE INCHAN - MOVSI A,TCHAN - SKIPE (P) - MOVE B,IMQUOTE OUTCHAN - PUSHJ P,IDVAL - TLZ A,TYPMSK#777777 - CAME A,$TCHAN - JRST BADCHN ; MAKE SURE WE GOT A GOOD DEFAULT CHANNEL - PUSH TP,A - PUSH TP,B -STRIO3: MOVE B,(TP) ; GET CHANNEL - SKIPN E,IOINS(B) ; MAKE SURE HE IS OPEN - PUSHJ P,OPENIT ; IF NOT GO OPEN - CAMN E,[JRST CHNCLS] - JRST CHNCLS ; CHECK TO SEE THAT CHANNEL ISNT ALREADY CLOSED -STRIO4: HLRE 0,AB - CAML 0,[-4] - JRST STRIO5 ; NO COUNT TO WORRY ABOUT - GETYP 0,4(AB) - MOVE E,4(AB) - MOVE C,5(AB) - CAIE 0,TCHSTR - CAIN 0,TFIX ; BETTER BE A FIXED NUMBER - JRST .+2 - JRST WTYP3 - HRRZ D,(AB) ; GET ACTUAL STRING LENGTH - CAIN 0,TFIX - JRST .+7 - SKIPE (P) ; TEST FOR WRITING - JRST .-7 ; IF WRITING WE GOT TROUBLE - PUSH P,D ; ACTUAL STRING LENGTH - MOVEM E,(TB) ; STUFF HIS FUNNY DELIM STRING - MOVEM C,1(TB) - JRST STRIO7 - CAML D,C ; MAKE SURE THE STRING IS LONG ENOUGH - JRST .+4 ; WIN - PUSH TP,$TATOM ; LOSAGE, COUNT TOO GREAT - PUSH TP,EQUOTE COUNT-GREATER-THAN-STRING-SIZE - JRST CALER1 - PUSH P,C ; PUSH ON MAX COUNT - JRST STRIO7 -STRIO5: -STRIO6: HRRZ C,(AB) ; GET CHAR COUNT - PUSH P,C ; AND PUSH IT ON STACK AS NO MAX COUNT GIVEN -STRIO7: HLRE 0,AB - CAML 0,[-6] - JRST .+6 - MOVE B,(TP) ; GET THE CHANNEL - MOVE 0,6(AB) - MOVEM 0,EOFCND-1(B) ; STUFF IN SLOT IN CHAN - MOVE 0,7(AB) - MOVEM 0,EOFCND(B) - PUSH TP,(AB) ; PUSH ON STRING - PUSH TP,1(AB) - PUSH P,[0] ; PUSH ON CURRENT COUNT OF CHARS DONE - MOVE 0,-2(P) ; GET READ OR WRITE FLAG - JUMPN 0,OUTLOP ; GO WRITE STUFF - - MOVE B,-2(TP) ; GET CHANNEL - PUSHJ P,GRB ; MAKE SURE WE HAVE BUFF - SKIPGE A,LSTCH(B) ; CHECK FOR EOF ALREADY READ PREVIOUSLY - JRST SRDOEF ; GO DOES HIS EOF HACKING -INLOP: INTGO - MOVE B,-2(TP) ; GET CHANNEL - MOVE C,-1(P) ; MAX COUNT - CAMG C,(P) ; COMPARE WITH COUNT DONE - JRST STREOF ; WE HAVE FINISHED - PUSHJ P,R1CHAR ; GET A CHAR - JUMPL A,INEOF ; EOF HIT - MOVE C,1(TB) - HRRZ E,(TB) ; DO WE HAVE A STRING TO WORRY US? - SOJL E,INLNT ; GO FINISH STUFFING - ILDB D,C - CAME D,A - JRST .-3 - JRST INEOF -INLNT: IDPB A,(TP) ; STUFF IN STRING - SOS -1(TP) ; DECREMENT STRING COUNT - AOS (P) ; INCREMENT CHAR COUNT - JRST INLOP - -INEOF: SKIPE C,LSTCH(B) ; IS THIS AN ! AND IS THERE A CHAR THERE - JRST .+3 ; YES - MOVEM A,LSTCH(B) ; NO SAVE THE CHAR - JRST .+3 - ADDI C,400000 - MOVEM C,LSTCH(B) - HRRZ C,DIRECT-1(B) ; GET THE TYPE OF CHAN - CAIN C,5 ; IS IT READB? - JRST .+3 - SOS ACCESS(B) ; FIX UP ACCESS FOR READ CHANNEL - JRST STREOF ; AND THATS IT - HRRZ C,ACCESS-1(B) ; FOR A READB ITS WORSE - MOVEI D,5 - SKIPG C - HRRM D,ACCESS-1(B) ; CHANGE A 0 TO A FIVE - SOS C,ACCESS-1(B) - CAMN C,[TFIX,,0] - SOS ACCESS(B) ; AND SOS THE WORD COUNT MAYBE - JRST STREOF - -SRDOEF: SETZM LSTCH(B) ; IN CASE OF -1, FLUSH IT - AOJE A,INLOP ; SKIP OVER -1 ON PTY'S - SUB TP,[6,,6] - SUB P,[3,,3] ; POP JUNK OFF STACKS - PUSH TP,EOFCND-1(B) - PUSH TP,EOFCND(B) ; WHAT WE NEED TO EVAL - PUSH TP,$TCHAN - PUSH TP,B - MCALL 1,FCLOSE ; CLOSE THE LOOSING CHANNEL - MCALL 1,EVAL ; EVAL HIS EOF JUNK - JRST FINIS - -OUTLOP: MOVE B,-2(TP) - PUSHJ P,GWB ; MAKE SURE WE HAVE BUFF -OUTLP1: INTGO - MOVE B,-2(TP) - MOVE C,-1(P) ; MAX COUNT TO DO - CAMG C,(P) ; HAVE WE DONE ENOUGH - JRST STREOF - ILDB A,(TP) ; GET THE CHAR - SOS -1(TP) ; SUBTRACT FROM STRING LENGTH - AOS (P) ; INC COUNT OF CHARS DONE - PUSHJ P,W1CHAR ; GO STUFF CHAR - JRST OUTLP1 - -STREOF: MOVE A,$TFIX - POP P,B ; RETURN THE LOOSER A COUNT OF WHAT WAS DONE - SUB P,[2,,2] - SUB TP,[6,,6] - JRST FINIS - - -GWB: SKIPE BUFSTR(B) - POPJ P, - PUSH TP,$TCHAN - PUSH TP,B ; GET US A WRITE BUFFER ON PRINTB CHAN - MOVEI A,BUFLNT - PUSHJ P,IBLOCK - MOVSI A,TWORD+.VECT. - MOVEM A,BUFLNT(B) - SETOM (B) - MOVEI C,1(B) - HRLI C,(B) - BLT C,BUFLNT-1(B) - MOVE C,B - HRLI C,440700 - MOVE B,(TP) - MOVEI 0,C.BUF - IORM 0,-4(B) - MOVEM C,BUFSTR(B) - MOVE C,[TCHSTR,,BUFLNT*5] - MOVEM C,BUFSTR-1(B) - SUB TP,[2,,2] - POPJ P, - - -GRB: SKIPE BUFSTR(B) - POPJ P, - PUSH TP,$TCHAN - PUSH TP,B ; GET US A READ BUFFER - MOVEI A,BUFLNT - PUSHJ P,IBLOCK - MOVEI C,BUFLNT(B) - POP TP,B - MOVEI 0,C.BUF - IORM 0,-4(B) - HRLI C,440700 - MOVEM C,BUFSTR(B) - MOVSI C,TCHSTR - MOVEM C,BUFSTR-1(B) - SUB TP,[1,,1] - POPJ P, - -MTSTRN: PUSH TP,$TATOM - PUSH TP,EQUOTE EMPTY-STRING - JRST CALER1 - - ; INPUT UNBUFFERING ROUTINE. THIS DOES THE CHARACTER UNBUFFERING -; FOR INPUT. THE OPEN ROUTINE SETUPS A PUSHJ P, TO -; THIS ROUTINE AS THE IOINS FOR A CHANNEL OPEN TO A NON-TTY DEVICE. - -; H. BRODIE 7/19/72 - -; CALLING SEQ: -; PUSHJ P,GETCHR -; B/ AOBJN PNTR TO CHANNEL VECTOR -; RETURNS NEXT CHARACTER IN AC A. -; ON ENCOUNTERING EITHER ^C OR NUL(^@) IT ASSUMES EOF AND -; TRANSMITS ONLY ^C ON SUCCESSIVE CALLS - - -GETCHR: -; FIRST GRAB THE BUFFER - GETYP A,BUFSTR-1(B) ; GET TYPE WORD - CAIN A,TCHSTR ; SKIPS IF NOT CHSTR (I.E. IF BAD BUFFER) - JRST GTGBUF ; IS GOOD BUFFER...SKIP ERROR RETURN -BDCHAN: PUSH TP,$TATOM ; ERROR RETURN - PUSH TP,EQUOTE BAD-INPUT-BUFFER - JRST CALER1 - -; BUFFER WAS GOOD -GTGBUF: HRRZ A,BUFSTR-1(B) ; GET LENGTH OF STRING - SOJGE A,GTGCHR ; JUMP IF STILL MORE - -; HERE IF THE BUFFER WAS EXHAUSTED (BYTE PNTR POINTS INTO DOPE WDS) -; GENERATE AN .IOT POINTER -;FIRST SAVE C AND D AS I WILL CLOBBER THEM -NEWBUF: PUSH P,C - PUSH P,D -IFN ITS,[ - LDB C,[600,,STATUS(B)] ; GET TYPE - CAIG C,2 ; SKIP IF NOT TTY -] -IFE ITS,[ - SKIPE BUFRIN(B) -] - JRST GETTTY ; GET A TTY BUFFER - - PUSHJ P,PGBUFI ; RE-FILL BUFFER - - JUMPGE A,BUFGOO ;SKIPS IF IOT COMPLETED...FIX UP CHANNEL - MOVEI C,1 ; MAKE SURE LAST EOF REALLY ENDS IT - ANDCAM C,-1(A) - MOVSI C,014000 ; GET A ^C - MOVEM C,(A) ;FAKE AN EOF - -; RESET THE BYTE POINTER IN THE CHANNEL. -; BUILD ONE USING THE PTR TO BEG OF BUFFER SAVED IN D -BUFGOO: HRLI D,440700 ; GENERATE VIRGIN LH - - MOVEM D,BUFSTR(B) ; STASH IN THE BUFFER BYTE PNTR SLOT - MOVEI A,BUFLNT*5-1 -BUFROK: POP P,D ;RESTORE D - POP P,C ;RESTORE C - - -; HERE IF THERE ARE CHARS IN BUFFER -GTGCHR: HRRM A,BUFSTR-1(B) - ILDB A,BUFSTR(B) ; GET A CHAR FROM BUFFER -IFE ITS,[ - CAIN A,32 ; TENEX EOF? - JRST .+3 -] - CAIE A,3 ; EOF? - POPJ P, ; AND RETURN -IFN ITS,[ - LDB A,[600,,STATUS(B)] ; CHECK FOR TTY - CAILE A,2 ; SKIP IF TTY -] -IFE ITS, SKIPN BUFRIN(B) - - JRST .+3 -RETEO1: HRRI A,3 - POPJ P, - - HRRZ A,@BUFSTR(B) ; SEE IF RSUBR START BIT IS ON - TRNN A,1 - MOVSI A,-1 - JRST RETEO1 - -IFN ITS,[ -PGBUFO: -PGBUFI: -] -IFE ITS,[ -PGBUFO: SKIPA D,[SOUT] -PGBUFI: MOVE D,[SIN] -] - SKIPGE A,BUFSTR(B) ; POINT TO CURRENT BUFFER POSIT - SUBI A,1 ; FOR 440700 AND 010700 START - SUBI A,BUFLNT-1 ; CALCULATE PNTR TO BEG OF BUFFER - HRLI A,-BUFLNT ; IOT (AOBJN) PNTR IN A -IFN ITS,[ -PGBIOO: -PGBIOI: MOVE D,A ; COPY FOR LATER - MOVSI C,TUVEC ; PREPARE TO HANDDLE INTS - MOVEM C,DSTO(PVP) - MOVEM C,ASTO(PVP) - MOVSI C,TCHAN - MOVEM C,BSTO(PVP) - -; BUILD .IOT INSTR - MOVE C,CHANNO(B) ; CHANNEL NUMBER IN C - ROT C,23. ; MOVE INTO AC FIELD - IOR C,[.IOT 0,A] ; IOR IN SKELETON .IOT - -; DO THE .IOT - ENABLE ; ALLOW INTS - XCT C ; EXECUTE THE .IOT INSTR - DISABLE - SETZM BSTO(PVP) - SETZM ASTO(PVP) - SETZM DSTO(PVP) - POPJ P, -] - -IFE ITS,[ -PGBIOT: PUSH P,D - PUSH TP,$TCHAN - PUSH TP,B - MOVEI C,(A) ; POINT TO BUFFER - HRLI C,444400 - MOVE D,A ; XTRA POINTER - MOVE A,CHANNO(B) ; FILE JFN - MOVE B,C - HLRE C,D ; - COUNT TO C - XCT (P) ; DO IT TO IT - MOVEI A,1(B) - MOVE B,(TP) - SUB TP,[2,,2] - SUB P,[1,,1] - JUMPGE C,CPOPJ ; NO EOF YET - HRLI A,(C) ; LOOK LIKE AN AOBJN PNTR - POPJ P, - -PGBIOO: SKIPA D,[SOUT] -PGBIOI: MOVE D,[SIN] - JRST PGBIOT -DOIOTO: PUSH P,D - PUSH P,C - PUSHJ P,PGBIOO -DOIOTE: POP P,C - POP P,D - POPJ P, -DOIOTI: PUSH P,D - PUSH P,C - PUSHJ P,PGBIOI - JRST DOIOTE -] - -; OUTPUT BUFFERING ROUTINES SIMILAR TO INPUT BUFFERING ROUTINES OF PREV PAGE - -PUTCHR: PUSH P,A - GETYP A,BUFSTR-1(B) ; CHECK TYPE OF ARG - CAIE A,TCHSTR ; MUST BE STRING - JRST BDCHAN - - HRRZ A,BUFSTR-1(B) ; GET CHAR COUNT - JUMPE A,REBUFF ; PREV RESET BUFF, UNDO SAME - -PUTCH1: POP P,A ; RESTORE CHAR - CAMN A,[-1] ; SPECIAL HACK? - JRST PUTCH2 ; YES GO HANDLE - IDPB A,BUFSTR(B) ; STUFF IT -PUTCH3: SOS A,BUFSTR-1(B) ; COUNT DOWN STRING - TRNE A,-1 ; SKIP IF FULL - POPJ P, - -; HERE TO FLUSH OUT A BUFFER - - PUSH P,C - PUSH P,D - PUSHJ P,PGBUFO ; SETUP AND DO IOT - HRLI D,440700 ; POINT INTO BUFFER - MOVEM D,BUFSTR(B) ; STORE IT - MOVEI A,BUFLNT*5 ; RESET COUNT - HRRM A,BUFSTR-1(B) - POP P,D - POP P,C - POPJ P, - -;HERE TO DA ^C AND TURN ON MAGIC BIT - -PUTCH2: MOVEI A,3 - IDPB A,BUFSTR(B) ; ZAP OUT THE ^C - MOVEI A,1 ; GET BIT - IORM A,@BUFSTR(B) ; ON GOES THE BIT - JRST PUTCH3 - -; RESET A FUNNY BUF - -REBUFF: MOVEI A,BUFLNT*5 ; 1ST COUNT - HRRM A,BUFSTR-1(B) - HRRZ A,BUFSTR(B) ; NOW POINTER - SUBI A,BUFLNT - HRLI A,440700 - MOVEM A,BUFSTR(B) ; STORE BACK - JRST PUTCH1 - - -; HERE TO FLUSH FINAL BUFFER - -BFCLOS: HLLZS ACCESS-1(B) ; CLEAR OUT KLUDGE PRINTB PART ACCESS COUNT - MOVE C,B ; THIS BUFFER FLUSHER THE WORK OF NDR - MOVEI B,RDEVIC-1(B) ; FIND OUT IF THIS IS NET - PUSHJ P,CHRWRD - JFCL - TRZ B,77777 ; LEAVE ONLY HIGH 3 CHARS - MOVEI A,0 ; FLAG 0=NET 1=DSK - CAME B,[ASCIZ /NET/] ; IS THIS NET? - AOS A - PUSH P,A ; SAVE THE RESULT OF OUR TEST - MOVE B,C ; RESTORE CHANNEL IN B - JUMPN A,BFCLNN ; DONT HAVE TO CHECK NET STATE - PUSH TP,$TCHAN - PUSH TP,B ; SAVE CHANNEL - PUSHJ P,INSTAT ; GET CURRENT NETWORK STATE - MOVE A,(B) ; GET FIRST ELEMENT OF STATE UVECTOR WHICH IS CUR STATE - POP TP,B ; RESTORE B - POP TP, - CAIE A,5 ; IS NET IN OPEN STATE? - CAIN A,6 ; OR ELSE IS IT IN RFNM WAIT STATE - JRST BFCLNN ; IF SO TO THE IOT - POP P, ; ELSE FLUSH CRUFT AND DONT IOT - POPJ P, ; RETURN DOING NO IOT -BFCLNN: MOVEI C,BUFLNT*5 ; NEW BUFFER FLUSHER BY NDR - HRRZ D,BUFSTR-1(B) ; SO THAT NET ALSO WORKS RIGHT - SUBI C,(D) ; GET NUMBER OF CHARS - IDIVI C,5 ; NUMBER OF FULL WORDS AND REST - PUSH P,D ; SAVE NUMBER OF ODD CHARS - SKIPGE A,BUFSTR(B) ; GET CURRENT BUF POSITION - SUBI A,1 ; FIX FOR 440700 BYTE POINTER - PUSH P,(A) ; SAVE THE ODD WORD OF BUFFER - MOVEI D,BUFLNT - SUBI D,(C) - SKIPE -1(P) - SUBI A,1 - ADDI D,1(A) ; FIX UP FOR POSSIBLE ODD CHARS - PUSH TP,$TUVEC - PUSH TP,D ; PUSH THE DOPE VECTOR ONTO THE STACK - JUMPE C,BFCLSR ; IN CASE THERE ARE NO FULL WORDS TO DO - HRL A,C - MOVE E,[A,,BUFLNT] - SUBI E,(C) ; FIX UP FOR BACKWARDS BLT - POP A,@E ; AMAZING GRACE - TLNE A,-1 - JRST .-2 - HRRO A,D ; SET UP AOBJN POINTER - SUBI A,(C) - TLC A,-1(C) - PUSHJ P,PGBIOO ; DO THE IOT OF ALL THE FULL WORDS -BFCLSR: HRRO A,(TP) ; GET IOT PTR FOR REST OF JUNK - SUBI A,1 ; POINT TO WORD BEFORE DOPE WORDS - POP P,0 ; GET BACK ODD WORD - POP P,C ; GET BACK ODD CHAR COUNT - POP P,D ; FLAG FOR NET OR DSK - JUMPE C,BFCLSD ; IF NO ODD CHARS FINISH UP - JUMPN D,BFCDSK ; GO FINISH OFF DSK - MOVEI D,7 - IMULI D,(C) ; FIND NO OF BITS TO SHIFT - LSH 0,-43(D) ; SHIFT BITS TO RIGHT PLACE - MOVEM 0,(A) ; STORE IN STRING - SUBI C,5 ; HOW MANY CHAR POSITIONS TO SKIP - MOVNI C,(C) ; MAKE C POSITIVE - LSH C,17 - TLC A,(C) ; MUNG THE AOBJN POINTER TO KLUDGE - PUSHJ P,PGBIOO ; DO IOT OF ODD CHARS -BFCLSD: HRRZ A,(TP) ; GET PTR TO DOPE WORD - SUBI A,BUFLNT - HRLI A,440700 ; AOBJN POINTER TO FIRST OF BUFFER - MOVEM A,BUFSTR(B) - MOVEI A,BUFLNT*5 - HRRM A,BUFSTR-1(B) - SUB TP,[2,,2] - POPJ P, - -BFCDSK: MOVE C,A ; FOR FUNNY AOBJN PTR - HLL C,BUFSTR(B) ; POINT INTO WORD AFTER LAST CHAR - TRZ 0,1 - MOVEM 0,(A) -IFN ITS, MOVEI 0,3 ; CONTROL C -IFE ITS, MOVEI 0,32 ; CNTL Z - IDPB 0,C - PUSHJ P,PGBIOO - JRST BFCLSD - -BFCLS1: HRRZ C,DIRECT-1(B) - MOVSI 0,(JFCL) - CAIE C,6 - MOVE 0,[AOS ACCESS(B)] - PUSH P,0 - HRRZ C,BUFSTR-1(B) - IDIVI C,5 - JUMPE D,BCLS11 - MOVEI A,40 ; PAD WITH SPACES - PUSHJ P,PUTCHR - XCT (P) ; AOS ACCESS IF NECESSARY - SOJG D,.-3 ; TO END OF WORD -BCLS11: POP P,0 - HLLZS ACCESS-1(B) - HRRZ C,BUFSTR-1(B) - CAIE C,BUFLNT*5 - PUSHJ P,BFCLOS - POPJ P, - - -; HERE TO GET A TTY BUFFER - -GETTTY: SKIPN C,EXBUFR(B) ; SKIP IF BUFFERS BACKED UP - JRST TTYWAI - HRRZ D,(C) ; CDR THE LIST - GETYP A,(C) ; CHECK TYPE - CAIE A,TDEFER ; MUST BE DEFERRED - JRST BDCHAN - MOVE C,1(C) ; GET DEFERRED GOODIE - GETYP A,(C) ; BETTER BE CHSTR - CAIE A,TCHSTR - JRST BDCHAN - MOVE A,(C) ; GET FULL TYPE WORD - MOVE C,1(C) - MOVEM D,EXBUFR(B) ; STORE CDR'D LIST - MOVEM A,BUFSTR-1(B) ; MAKE CURRENT BUFFER - MOVEM C,BUFSTR(B) - SOJA A,BUFROK - -TTYWAI: PUSHJ P,TTYBLK ; BLOCKED FOR TTY I/O - JRST GETTTY ; SHOULD ONLY RETURN HAPPILY - - ;INTERNAL DEVICE READ ROUTINE. - -;FOR INTERNAL DEVICES THIS ROUTINE APPLIES THE GIVEN OBJECT, -;CHECKS THAT THE RETURNED VALUE IS OF TYPE CHARACTER, -;AND RETURNS THAT AS THE NEXT CHARACTER IN THE "FILE" - -;H. BRODIE 8/31/72 - -GTINTC: PUSH TP,$TCHAN ;SAVE THE CHANNEL...WE'LL CLOBBER B - PUSH TP,B - PUSH P,C ;AND SAVE THE OTHER ACS - PUSH P,D - PUSH P,E - PUSH P,0 - PUSH TP,INTFCN-1(B) - PUSH TP,INTFCN(B) - MCALL 1,APPLY - GETYP A,A - CAIE A,TCHRS - JRST BADRET - MOVE A,B -INTRET: POP P,0 ;RESTORE THE ACS - POP P,E - POP P,D - POP P,C - POP TP,B ;RESTORE THE CHANNEL - SUB TP,[1,,1] ;FLUSH $TCHAN...WE DON'T NEED IT - POPJ P, - - -BADRET: PUSH TP,$TATOM - PUSH TP,EQUOTE INT-DEVICE-WRONG-TYPE-EVALUATION-RESULT - JRST CALER1 - -;INTERNAL DEVICE PRINT ROUTINE. - -;FOR INTERNAL DEVICES THIS ROUTINE APPLIES THE GIVEN OBJECT,(FUNCTION, SUBR, OR RSUBR) -;TO THE CURRENT CHARACTER BEING "PRINTED". - -PTINTC: PUSH TP,$TCHAN ;SAVE THE CHANNEL...WE'LL CLOBBER B - PUSH TP,B - PUSH P,C ;AND SAVE THE OTHER ACS - PUSH P,D - PUSH P,E - PUSH P,0 - PUSH TP,INTFCN-1(B) ;PUSH TYPE OF GIVEN OBJ - PUSH TP,INTFCN(B) ;PUSH THE SUPPLIED FUNCTION (OR SUBR ETC.) - PUSH TP,$TCHRS ;PUSH THE TYPE "CHARACTER" - PUSH TP,A ;PUSH THE CHAR - MCALL 2,APPLY ;APPLY THE FUNCTION TO THE CHAR - JRST INTRET - - - -; ROUTINE TO FLUSH OUT A PRINT BUFFER - -MFUNCTION BUFOUT,SUBR - - ENTRY 1 - - GETYP 0,(AB) - CAIE 0,TCHAN - JRST WTYP1 - - MOVE B,1(AB) - MOVEI B,DIRECT-1(B) - PUSHJ P,CHRWRD ; GET DIR NAME - JFCL - CAMN B,[ASCII /PRINT/] - JRST .+3 - CAME B,[+1] - JRST WRONGD - TRNE B,1 ; SKIP IF PRINT - PUSH P,[JFCL] - TRNN B,1 ; SKIP IF PRINTB - PUSH P,[AOS ACCESS(B)] - MOVE B,1(AB) - GETYP 0,BUFSTR-1(B) - CAIN 0,TCHSTR - SKIPN C,BUFSTR(B) ; BYTE POINTER? - JRST BFIN1 - HRRZ C,BUFSTR-1(B) ; CHARS LEFT - IDIVI C,5 ; MULTIPLE OF 5? - JUMPE D,BFIN2 ; YUP NO EXTRAS - - MOVEI A,40 ; PAD WITH SPACES - PUSHJ P,PUTCHR ; OUT IT GOES - XCT (P) ; MAYBE BUMP ACCESS - SOJG D,.-3 ; FILL - -BFIN2: PUSHJ P,BFCLOS ; WRITE OUT BUFFER -BFIN1: MOVSI A,TCHAN - JRST FINIS - - - -; FUNCTION TO GET THE FILE LENGTH OF A READ CHANNEL - -MFUNCTION FILLNT,SUBR,[FILE-LENGTH] - ENTRY 1 - - GETYP 0,(AB) - CAIE 0,TCHAN - JRST WTYP1 - MOVE B,1(AB) - MOVEI B,DIRECT-1(B) ; GET CHANNEL TYPE - PUSHJ P,CHRWRD - JFCL - CAME B,[ASCIZ /READ/] - JRST .+3 - PUSH P,[5] ; MULTIPLICATIVE FACTOR FOR READ - JRST .+4 - CAME B,[ASCII /READB/] - JRST WRONGD - PUSH P,[1] ; MULTIPLICATIVE FACTOR FOR READ - MOVE C,1(AB) -IFN ITS,[ - .CALL FILL1 - JRST FILLOS ; GIVE HIM A NICE FALSE -] -IFE ITS,[ - MOVE A,CHANNO(C) - SIZEF - JRST FILLOS -] - POP P,C - IMUL B,C - MOVE A,$TFIX - JRST FINIS - -IFN ITS,[ -FILL1: SETZ ; BLOCK FOR .CALL TO FILLEN - SIXBIT /FILLEN/ - CHANNO (C) - SETZM B - -FILLOS: MOVE A,CHANNO(C) - PUSHJ P,GFALS - JRST FINIS -] -IFE ITS,[ -FILLOS: PUSHJ P,TGFALS - JRST FINIS -] - - - ;THREE GENERALLY USEFUL ERROR ROUTINES FOR I/O - -NOTNET: -BADCHN: PUSH TP,$TATOM - PUSH TP,EQUOTE BAD-CHANNEL - JRST CALER1 - -WRONGD: PUSH TP,$TATOM - PUSH TP,EQUOTE WRONG-DIRECTION-CHANNEL - JRST CALER1 - -CHNCLS: PUSH TP,$TATOM - PUSH TP,EQUOTE CHANNEL-CLOSED - JRST CALER1 - -BAD6: PUSH TP,$TATOM - PUSH TP,EQUOTE NON-6-BIT-CHARACTER-IN-FILE-NAME - JRST CALER1 - -DISLOS: MOVE C,$TCHSTR - MOVE D,CHQUOTE [DISPLAY NOT AVAILABLE] - PUSHJ P,INCONS - MOVSI A,TFALSE - JRST OPNRET - -NOCHAN: PUSH TP,$TATOM - PUSH TP,EQUOTE ITS-CHANNELS-EXHAUSTED - JRST CALER1 - -MODE1: 232020,,202020 -MODE2: 232023,,332320 - -END - - -TITLE GCHACK - -RELOCATABLE - -.INSRT MUDDLE > - -.GLOBAL FRMUNG,PARBOT,TYPVEC,GCHACK,REHASH,IMPURI,NWORDT -.GLOBAL TD.LNT,TD.GET,TD.PUT - -; THIS IS AN INTERNAL MUDDLE SUBROUTINE TO RUN AROUND GC SPACE DOING -; SOMETHING ARBITRARY TO EVERY ENTITY THEREIN - -; CALL -- -; A/ INSTRUCTION TO BE EXECUTED -; PUSHJ P,GCHACK - -GCHACK: HRRZ E,TYPVEC+1(TVP) ; SET UP TYPE POINTER - HRLI E,C ; WILL HAVE TYPE CODE IN C - MOVE B,PARBOT ; START AT PARBOT - SETOM 1(TP) ; FENCE POST PDL - PUSH P,A - MOVEI A,(TB) - PUSHJ P,FRMUNG ; MUNG CURRENT FRAME - POP P,A - -; FIRST HACK PAIR SPACE - -PHACK: CAML B,PARTOP ; SKIP IF MORE PAIRS - JRST VHACK ; DONE, NOW HACK VECTORS - GETYP C,(B) ; TYPE OF CURRENT PAIR - MOVE D,1(B) ; AND ITS DATUM - XCT A ; APPLY INS - ADDI B,2 - JRST PHACK - -; NOW DO THE SAME THING TO VECTOR SPACE - -VHACK: MOVE B,VECTOP ; START AT TOP, MOVE DOWN - SUBI B,1 ; POINT TO TOPMOST VECTOR -VHACK2: CAMG B,VECBOT ; SKIP IF MORE TO DO - JRST REHASQ ; SEE IF MUST REHASH - - HLRE D,-1(B) ; GET TYPE FROM D.W. - HLRZ C,(B) ; AND TOTAL LENGTH - SUBI B,(C)-1 ; POINT TO START OF VECTOR - PUSH P,B - SUBI C,2 ; CHECK WINNAGE - JUMPL C,BADV ; FATAL LOSSAGE - PUSH P,C ; SAVE COUNT - JUMPE C,VHACK1 ; EMPTY VECTOR, FINISHED - -; DECIDE BASED ON TYPE WHETHER GENERAL,UNIFORM OR SPECIAL - - JUMPGE D,UHACK ; UNIFORM - TRNE D,377777 ; SKIP IF GENERAL - JRST SHACK ; SPECIAL - -; FALL THROUGH TO GENERAL - -GHACK1: GETYP C,(B) ; LOOK A T 1ST ELEMENT - CAIE C,TCBLK - CAIN C,TENTRY ; FRAME ON STACK - SOJA B,EHACK - CAIE C,TUBIND - CAIN C,TBIND ; BINDING BLOCK - JRST BHACK - CAIN C,TGATOM ; ATOM WITH GDECL? - JRST GDHACK - MOVE D,1(B) ; GET DATUM - XCT A ; USER INS - ADDI B,2 ; NEXT ELEMENT - SOS (P) - SOSLE (P) ; COUNT ELEMENTS - SKIPGE (B) ; OR FENCE POST HIT - JRST VHACK1 - JRST GHACK1 - -; HERE TO GO OVER UVECTORS - -UHACK: CAMN A,[PUSHJ P,SBSTIS] - JRST VHACK1 ; IF THIS SUBSTITUTE, DONT DO UVEC - MOVEI C,(D) ; COPY UNIFORM TYPE - SUBI B,1 ; BACK OFF - -UHACK1: MOVE D,1(B) ; DATUM - XCT A - SOSLE (P) ; COUNT DOEN - AOJA B,UHACK1 - JRST VHACK1 - -; HERE TO HACK VARIOUS FLAVORS OF SPECIAL GOODIES - -SHACK: ANDI D,377777 ; KILL EXTRA CRUFT - CAIN D,SATOM - JRST ATHACK - CAIE D,STPSTK ; STACK OR - CAIN D,SPVP ; PROCESS - JRST GHACK1 ; TREAT LIKE GENERAL - CAIN D,SASOC ; ASSOCATION - JRST ASHACK - CAIG D,NUMSAT ; TEMPLATE MAYBE? - JRST BADV ; NO CHANCE - ADDI C,(B) ; POINT TO DOPE WORDS - SUBI D,NUMSAT+1 - HRLI D,(D) - ADD D,TD.LNT+1(TVP) - JUMPGE D,BADV ; JUMP IF INVALID TEMPLATE HACKER - - CAMN A,[PUSHJ P,SBSTIS] - JRST VHACK1 - -TD.UPD: PUSH P,A ; INS TO EXECUTE - XCT (D) - HLRZ E,B ; POSSIBLE BASIC LENGTH - PUSH P,[0] - PUSH P,E - MOVEI B,(B) ; ISOLATE LENGTH - PUSH P,C ; SAVE POINTER TO OBJECT - - PUSH P,[0] ; HOME FOR VALUES - PUSH P,[0] ; SLOT FOR TEMP - PUSH P,B ; SAVE - SUB D,TD.LNT+1(TVP) - PUSH P,D ; SAVE FOR FINDING OTHER TABLES - JUMPE E,TD.UP2 ; NO REPEATING SEQ - ADD D,TD.GET+1(TVP) ; COMP LNTH OF REPEATING SEQ - HLRE D,(D) ; D ==> - LNTH OF TEMPLATE - ADDI D,(E) ; D ==> -LENGTH OF REP SEQ - MOVNS D - HRLM D,-5(P) ; SAVE IT AND BASIC - -TD.UP2: SKIPG D,-1(P) ; ANY LEFT? - JRST TD.UP1 - - MOVE E,TD.GET+1(TVP) - ADD E,(P) - MOVE E,(E) ; POINTER TO VECTOR IN E - MOVEM D,-6(P) ; SAVE ELMENT # - SKIPN B,-5(P) ; SKIP IF "RESTS" EXIST - SOJA D,TD.UP3 - - MOVEI 0,(B) ; BASIC LNT TO 0 - SUBI 0,(D) ; SEE IF PAST BASIC - JUMPGE 0,.-3 ; JUMP IF O.K. - MOVSS B ; REP LNT TO RH, BASIC TO LH - IDIVI 0,(B) ; A==> -WHICH REPEATER - MOVNS A - ADD A,-5(P) ; PLUS BASIC - ADDI A,1 ; AND FUDGE - MOVEM A,-6(P) ; SAVE FOR PUTTER - ADDI E,-1(A) ; POINT - SOJA D,.+2 - -TD.UP3: ADDI E,(D) ; POINT TO SLOT - XCT (E) ; GET THIS ELEMENT INTO A AND B - MOVEM A,-3(P) ; SAVE TYPE FOR LATER PUT - MOVEM B,-2(P) - GETYP C,A ; TYPE TO C - MOVE D,B ; DATUME - MOVEI B,-3(P) ; POINTER TO HOME - MOVE A,-7(P) ; GET INS - XCT A ; AND DO IT - MOVE C,-4(P) ; GET POINTER FOR UPDATE OF ELEMENT - MOVE E,TD.PUT+1(TVP) - SOS D,-1(P) ; RESTORE COUNT - ADD E,(P) - MOVE E,(E) ; POINTER TO VECTOR IN E - MOVE B,-6(P) ; SAVED OFFSET - ADDI E,(B)-1 ; POINT TO SLOT - MOVE A,-3(P) ; RESTORE TYPE WORD - MOVE B,-2(P) - XCT (E) ; SMASH IT BACK - FATAL TEMPLATE LOSSAGE - MOVE C,-4(P) - JRST TD.UP2 - -TD.UP1: MOVE A,-7(P) ; RESTORE INS - SUB P,[10,,10] - MOVSI D,400000 ; RESTORE MARK/UNMARK BIT - JRST VHACK1 - -; FATAL LOSSAGE ARRIVES HERE - -BADV: FATAL GC SPACE IN A BAD STATE - -; HERE TO HACK SPECIAL CRUFT IN GENERAL VECTORS (STACKS) - -EHACK: MOVSI D,-FRAMLN ; SET UP AOBJN PNTR - -EHACK1: HRRZ C,ETB(D) ; GET 1ST TYPE - PUSH P,D ; SAVE AOBJN - MOVE D,1(B) ; GET ITEM - CAME A,[PUSHJ P,SBSTIS] ; DONT IF SUBSTITUTE DIFFERENT - XCT A ; USER GOODIE - POP P,D ; RESTORE AOBJN - ADDI B,1 ; MOVE ON - SOSLE (P) ; ALSO COUNT IN TOTAL VECTOR - AOBJN D,EHACK1 - AOJA B,GHACK1 ; AND GO ON - -; TABLE OF ENTRY BLOCK TYPES - -ETB: TSUBR - TTB - TAB - TSP - TPDL - TTP - TWORD - -; HERE TO GROVEL OVER BINDING BLOCKS - -BHACK: MOVEI C,TATOM ; ALSO TREEAT AS ATOM - MOVE D,1(B) - CAME A,[PUSHJ P,SBSTIS] ; DONT IF SUBSTITUTE DIFFERENT - XCT A - PUSHJ P,NXTGDY ; NEXT GOODIE - PUSHJ P,NXTGDY ; AND NEXT - MOVEI C,TSP ; TYPE THE BACK LOCATIVE - PUSHJ P,NXTGD1 ; AND NEXT - PUSH P,B - HLRZ D,-2(B) ; DECL POINTER - MOVEI B,0 ; MAKE SURE NO CLOBBER - MOVEI C,TDECL - XCT A ; DO THE THING BEING DONE - POP P,B - HRLM D,-2(B) ; FIX UP IN CASE CHANGED - JRST GHACK1 - -; HERE TO HACK ATOMS WITH GDECLS - -GDHACK: CAMN A,[PUSHJ P,SBSTIS] - JRST VHACK1 - - MOVEI C,TATOM ; TREAT LIKE ATOM - MOVE D,1(B) - XCT A - HRRZ D,(B) ; GET DECL - JUMPE D,VHACK1 - CAIN D,-1 ; WATCH OUT FOR MAINFEST - JRST VHACK1 - PUSH P,B ; SAVE POINTER - MOVEI B,0 - MOVEI C,TLIST - XCT A - POP P,B - HRRM D,(B) ; RESET - JRST VHACK1 - -; HERE TO HACK ATOMS - -ATHACK: ADDI B,1 ; POINT PRIOR TO OBL SLOT - MOVEI C,TOBLS ; GET TYPE - MOVE D,1(B) ; AND DATUM - CAME A,[PUSHJ P,SBSTIS] ; DONT IF SUBSTITUTE DIFFERENT - XCT A - JRST VHACK1 - -; HERE TO HACK ASSOCIATION BLOCKS - -ASHACK: MOVEI D,3 ; COUNT GOODIES TO MARK - -ASHAK1: PUSH P,D - MOVE D,1(B) - GETYP C,(B) - PUSH P,D ; SAVE POINTER - XCT A - POP P,D ; GET OLD BACK - CAME D,1(B) ; CHANGED? - TLO E,400000 ; SET NON-VIRGIN FLAG - POP P,D - PUSHJ P,BMP ; TO NEXT - SOJG D,ASHAK1 - -; HERE TO GOT TO NEXT VECTOR - -VHACK1: MOVE B,-1(P) ; GET POINTER - SUB P,[2,,2] ; FLUSH CRUFT - SOJA B,VHACK2 ; FIXUP POINTER AND GO ON - -; ROUTINE TO GET A GOODIE - -NXTGDY: GETYP C,(B) -NXTGD1: MOVE D,1(B) - XCT A ; DO IT TO IT -BMP: SOS -1(P) - SOSG -1(P) - JRST BMP1 - ADDI B,2 - POPJ P, -BMP1: SUB P,[1,,1] - JRST VHACK1 - -REHASQ: JUMPL E,REHASH ; HASH TABLE RAPED, FIX IT - POPJ P, - - -MFUNCTION SUBSTI,SUBR,[SUBSTITUTE] - -;THIS FUNCTION CODED BY NDR IS AN INCREDIBLE WAY TO -;KILL YOURSELF, EVEN IF YOU THINK YOU REALLY KNOW WHAT -;YOU ARE DOING. -;IT DOES A MINI-GC CHANGING EACH REFERENCE OF THE -;SECOND ITEM TO A REFERENCE OF THE FIRST ITEM, HA HA HA. -;BOTH ITEMS MUST BE OF THE SAME TYPE OR -;IF NOT, NEITHER CAN BE A TYPE REQUIRING TWO WORDS -; OF STORAGE, AND SUBSTITUTION CANT BE DONE IN -; UVECTORS WHEN THEY ARE DIFFERENT, AS WELL AS IN -; A FEW OTHER YUCKY PLACES. -;RETURNS ITEM TWO--THE ONLY WAY TO GET YOUR HANDS BACK ON IT - - ENTRY 2 - - -SBSTI1: GETYP A,2(AB) - CAIE A,TATOM - JRST SBSTI2 - MOVE B,3(AB) ; IMPURIFY HASH BUCKET MAYBE? - PUSHJ P,IMPURI - -SBSTI2: GETYP A,2(AB) ; GET TYPE OF SECOND ARG - MOVE D,A - PUSHJ P,NWORDT ; AND STORAGE ALLOCATION - MOVE E,A - GETYP A,(AB) ; GET TYPE OF FIRST ARG - MOVE B,A - PUSHJ P,NWORDT - CAMN B,D ; IF TYPES SAME, DONT CHECK FOR ALLOCATION - JRST SBSTI3 - CAIN E,1 - CAIE A,1 - JRST SBSTIL ; LOOSE, NOT BOTH ONE WORD GOODIES - -SBSTI3: MOVEI C,0 - CAIN D,0 ; IF GOODIE IS OF TYPE ZERO - MOVEI C,1 ; USE TYPE 1 TO KEEP INFO FROM CLOBBERAGE - PUSH TP,C - SUBI E,1 - PUSH TP,E ; 1=DEFERRED TYPE ITEM, 0=ELSE - PUSH TP,C - PUSH TP,D ; TYPE OF GOODIE - PUSH TP,C - PUSH TP,[0] - CAIN D,TLIST - AOS (TP) ; 1=TYPE LIST, 0=ELSE - PUSH TP,C - PUSH TP,2(AB) ; TYPE-WORD - PUSH TP,C - PUSH TP,3(AB) ; VALUE-WORD - PUSH TP,(AB) - PUSH TP,1(AB) ; TYPE-VALUE OF THINGS TO CHANGE INTO - MOVE A,[PUSHJ P,SBSTIR] - CAME B,D ; IF NOT SAME TYPE, USE DIFF MUNGER - MOVE A,[PUSHJ P,SBSTIS] - PUSHJ P,GCHACK ; DO-IT - MOVE A,-4(TP) - MOVE B,-2(TP) - JRST FINIS ; GIVE THE LOOSER A HANDLE ON HIS GOODIE - -SBSTIR: CAME D,-2(TP) - JRST LSUB ; THIS IS IT - CAME C,-10(TP) - JRST LSUB ; IF ITEM CANT BE SAME CHECK FOR LISTAGE - JUMPE B,LSUB+1 ; WE GOT HOLD OF A FUNNY GOODIE, JUST IGNORE IT - MOVE 0,(TP) - MOVEM 0,1(B) ; SMASH IT - MOVE 0,-1(TP) ; GET TYPE WORD - SKIPE -12(TP) ; IF THIS IS A DEFFERABLE ITEM THEN WE MUST - MOVEM 0,(B) ; ALSO SMASH THE TYPE WORD SLOT - -LSUB: SKIPN -6(TP) ; IF WE ARE LOOKING FOR LISTS, LOOK ON - POPJ P, ; ELSE THATS ALL - CAMG B,PARTOP - CAMGE B,PARBOT ; IS IT IN LIST SPACE? - POPJ P, ; WELL NO LIST SMASHING THIS TIME - HRRZ 0,(B) ; GET ITS LIST POINTER - CAME 0,-2(TP) - POPJ P, ; THIS ONE DIDNT MATCH - MOVE 0,(TP) ; GET THE NEW REST OF THE LIST - HRRM 0,(B) ; AND SMASH INTO THE REST OF THE LIST - POPJ P, - -SBSTIS: CAMN D,-2(TP) - CAME C,-10(TP) - POPJ P, - SKIPN B ; SEE IF THIS IS A FUNNY GOODIE WE NO TOUCHIE - POPJ P, - MOVE 0,(TP) - MOVEM 0,1(B) ; KLOBBER VALUE CELL - MOVE 0,-1(TP) - HLLM 0,(B) ; KLOBBER TYPE CELL, WHICH WE KNOW IS THERE - POPJ P, - -SBSTIL: PUSH TP,$TATOM ; LOSSAGE ON DIFFERENT TYPES, ONE DOUBLE WORD - PUSH TP,EQUOTE CANT-SUBSTITUTE-WITH-STRING-OR-TUPLE-AND-OTHER - JRST CALER1 - -END - - TITLE INITIALIZATION FOR MUDDLE - -RELOCATABLE - -LAST==1 ;POSSIBLE CHECKS DONE LATER - -.INSRT MUDDLE > - -SYSQ - -IFE ITS,[ -FATINS==.FATAL" -SEVEC==104000,,204 -] - -IMPURE - -OBSIZE==151. ;DEFAULT OBLIST SIZE - -.LIFG -.LOP .VALUE -.ELDC - - -.GLOBAL SETUP,TPBAS,GCPDL,GCPVP,PVBASE,PVLNT,PARNEW,AAGC,ICR,SWAP,OBLNT,MSGTYP -.GLOBAL ICLOS,OCLOS,GLOBASE,GLOBSP,PARBOT,PARTOP,CODTOP,START,BEGIN,VECBOT,VECTOP,TPBASE -.GLOBAL LISTEN,ROOT,INITIAL,TBINIT,TOPLEV,INTOBL,ERROBL,MUDOBL,TTYOPE,RESFUN,QUITTER -.GLOBAL IOINS,BUFRIN,IOIN2,ECHO,MTYI,MTYO,MUDSTR,P.TOP,TTICHN,TTOCHN,TYPVEC -.GLOBAL PDLBUF,PHIBOT,%UNAM,PURVEC,STOSTR,ISTOST,TD.LNT,TD.PUT,TD.GET,CAFRE1 -; INIITAL AMOUNT OF AFREE SPACE - -STOSTR: BLOCK 400 ; A RANDOM AMOUNT -ISTOST: 401,,0 - -SETUP: -IFN ITS, .SUSET [.RUNAM,,%UNAM] ; FOR AGC'S BENFIT - MOVE P,GCPDL ;GET A PUSH DOWN STACK -IFN ITS, .SUSET [.SMASK,,[200000]] ; ENABLE PDL OVFL - MOVE TVP,[-TVLNT,,TVBASE] ;GET INITIAL TRANSFER VECTOR - PUSHJ P,TTYOPE ;OPEN THE TTY - AOS A,20 ; TOP OF LOW SEGG - HRRZM A,P.TOP - SOSN A ; IF NOTHING YET -IFN ITS, .SUSET [.RMEMT,,P.TOP] -IFE ITS, JRST 4, - HRRE A,P.TOP ; CHECK TOP - TRNE A,377777 ; SKIP IF ALL LOW SEG - JUMPL A,PAGLOS ; COMPLAIN - MOVE A,HITOP ; FIND HI SEG TOP - ADDI A,1777 - ANDCMI A,1777 - MOVEM A,RHITOP ; SAVE IT - MOVEI A,200 - SUBI A,PHIBOT - JUMPE A,HIBOK - MOVSI A,(A) - HRRI A,200 -IFN ITS,[ - .CALL GIVCOR - .VALUE -] -HIBOK: MOVEI B,[ASCIZ /MUDDLE INITIALIZATION. -/] - PUSHJ P,MSGTYP ;PRINT IT - MOVE A,CODTOP ;CHECK FOR A WINNING LOAD - CAML A,VECBOT ;IT BETTER BE LESS - JRST DEATH1 ;LOSE COMPLETELY - MOVE B,PARBOT ;CHECK FOR ANY PAIRS - CAME B,PARTOP ;ANY LOAD/ASSEMBLE TIME PAIRS? - JRST PAIRCH ;YES CHECK THEM - ADDI A,2000 ;BUMP UP - ANDCMI A,1777 - MOVEM A,PARBOT ;UPDATE PARBOT AND TOP - MOVEM A,PARTOP -SETTV: MOVE PVP,[-PVLNT*2,,GCPVP] ;AND A PROCESS VECTOR - MOVEI A,(PVP) ;SET UP A BLT - HRLI A,PVBASE ;FROM PROTOTYPE - BLT A,PVLNT*2-1(PVP) ;INITIALIZE - MOVE TP,[-ITPLNT,,TPBAS] ;GET A STACK FOR THIS PROCCESS - MOVEI TB,(TP) ;AND A BASE - HRLI TB,1 - SUB TP,[1,,1] ;POP ONCE - -; ALLOCATE SOME OBLISTS FOR INITIAL ATOMS - - PUSH P,[5] ;COUNT INITIAL OBLISTS - - PUSH P,OBLNT ;SAVE CURRENT OBLIST DEFAULT SIZE - -MAKEOB: SOS A,-1(P) - MOVE A,OBSZ(A) - MOVEM A,OBLNT - MCALL 0,MOBLIST ;GOBBLE AN OBLIST - PUSH TP,$TOBLS ;AND SAVE THEM - PUSH TP,B - MOVE A,(P)-1 ;COUNT DOWN - MOVEM B,@OBTBL(A) ;STORE - JUMPN A,MAKEOB - - POP P,OBLNT ;RESTORE DEFAULT OBLIST SIZE - - MOVE C,TVP ;MAKE 2 COPIES OF XFER VECTOR POINTER - MOVE D,TVP - -;MAIN INITIALIZE LOOP - SCAN XFER VECTOR FOR ATOMS, UPDATE -;OFFSETS IN CODE, UNIQUIFY ATOMS AND COMPACT XFER VECTOR - -ILOOP: HLRZ A,(C) ;FIRST TYPE - JUMPE A,TVEXAU ;USEFUL STUFF EXHAUSTED - CAIN A,TCHSTR ;CHARACTER STRING? - JRST CHACK ;YES, GO HACK IT - CAIN A,TATOM ;ATOM? - JRST ATOMHK ;YES, CHECK IT OUT - MOVE A,(C) ;MOVE TO NEW HOME (MAY BE SAME) - MOVEM A,(D) - MOVE A,1(C) - MOVEM A,1(D) -SETLP: AOS (P) ;COUNT NUMBER OF PAIRS IN XFER VECTOR - ADD D,[2,,2] ;OUT COUNTER -SETLP1: ADD C,[2,,2] ;AND IN COUNTER - JUMPL C,ILOOP ;JUMP IF MORE TO DO - ;NEW XFER VECTOR FINISHED, NOW GIVE AWAY THE REST - -TVEXAU: HLRE B,C ;GET -LENGTH - SUBI C,(B) ;POIT TO DOPE WORD - ANDI C,-1 ;NO LH - HLRZ A,1(C) ;INTIAL LENGTH TO A - MOVEI E,(C) ;COPY OF POINTER TO DOPW WD - SUBI E,(D) ;AMOUNT LEFT OVER TO E - HRLZM E,1(C) ;CLOBBER INTO DOPE WORD FOR GARBAGE - MOVSI E,(E) ;PREPARE TO UPDATE TVP - ADD TVP,E ;NOW POINTS TO THE RIGHT AMOUNT - HLRE B,D ;-AMOUNT LEFT TO B - ADD B,A ;AMOUNT OF GOOD STUFF - HRLZM B,1(D) ;STORE IT IN GODD DOPE WORD - MOVSI E,400000 ;CLOBBER TO GENERAL IN BOTH CASES - MOVEM E,(C) - MOVEM E,(D) - - -; FIX UP TYPE VECTOR - - MOVE A,TYPVEC+1(TVP) ;GET POINTER - MOVEI 0,0 ;FOR POSSIBLE NULL SLOTS - MOVSI B,TATOM ;SET TYPE TO ATOM - -TYPLP: HLLM B,(A) ;CHANGE TYPE TO ATOM - MOVE C,@1(A) ;GET ATOM - MOVEM C,1(A) - ADD A,[2,,2] ;BUMP - JUMPL A,TYPLP - ; CLOSE TTY CHANNELS -IFN ITS,[ - - .CLOSE 1, - .CLOSE 2, -] - -;GENERAT THE LOGICAL TTY IN AND OUT CHANNELS - -;SETUP CALL TO OPEN OUTPUT TTY CHANNNEL - - IRP A,,[[PRINT,TCHSTR],[TTY:,TCHSTR]] - IRP B,C,[A] - PUSH TP,$!C - PUSH TP,CHQUOTE B - .ISTOP - TERMIN - TERMIN - - MCALL 2,FOPEN ;OPEN THE OUT PUT CHANNEL - MOVEM B,TTOCHN+1(TVP) ;SAVE IT - -;ASSIGN AS GLOBAL VALUE - - PUSH TP,$TATOM - PUSH TP,IMQUOTE OUTCHAN - PUSH TP,A - PUSH TP,B - MOVE A,[PUSHJ P,MTYO] ;MORE WINNING INS - MOVEM A,IOINS(B) ;CLOBBER - MCALL 2,SETG - -;SETUP A CALL TO OPEN THE TTY CHANNEL - - IRP A,,[[READ,TCHSTR],[TTY:,TCHSTR]] - IRP B,C,[A] - PUSH TP,$!C - PUSH TP,CHQUOTE B - .ISTOP - TERMIN - TERMIN - - MCALL 2,FOPEN ;OPEN INPUTCHANNEL - MOVEM B,TTICHN+1(TVP) ;SAVE IT - PUSH TP,$TATOM ;ASSIGN AS A GLOBAL VALUE - PUSH TP,IMQUOTE INCHAN - PUSH TP,A - PUSH TP,B - MOVE C,BUFRIN(B) ;GET AUX BUFFER PTR - MOVE A,[PUSHJ P,MTYI] - MOVEM A,IOIN2(C) ;MORE OF A WINNER - MOVE A,[PUSHJ P,MTYO] - MOVEM A,ECHO(C) ;ECHO INS - MCALL 2,SETG - -;GENERATE AN INITIAL PROCESS AND SWAP IT IN - - PUSHJ P,ICR ;CREATE IT - MOVEI 0,RUNING - MOVEM 0,PSTAT"+1(B) - MOVE D,B ;SET UP TO CALL SWAP - JSP C,SWAP ;AND SWAP IN - MOVEM PVP,MAINPR" ;SAVE AS THE MAIN PROCESS - PUSH TP,[TENTRY,,TOPLEV] ;BUILD DUMMY FRAME - PUSH TP,[1,,0] - MOVEI A,-1(TP) - PUSH TP,A - PUSH TP,SP - PUSH TP,P - MOVE C,TP ;COPY TP - ADD C,[3,,3] ;FUDGE - PUSH TP,C ;TPSAV PUSHED - PUSH TP,[TOPLEV] - HRRI TB,(TP) ;SETUP TB - HRLI TB,2 - ADD TB,[1,,1] - MOVEM TB,TBINIT+1(PVP) - MOVSI A,TSUBR - MOVEM A,RESFUN(PVP) - MOVEI A,LISTEN" - MOVEM A,RESFUN+1(PVP) - PUSH TP,$TATOM - PUSH TP,IMQUOTE THIS-PROCESS - PUSH TP,$TPVP - PUSH TP,PVP - MCALL 2,SETG - -; FIND TVP OFFSET FOR THE ATOM 'T' FOR TEMPLATE - - MOVEI A,MQUOTE T - SUBI A,(TVP) -TVTOFF==0 - ADDSQU TVTOFF - - MOVEM A,SQULOC-1 - - PUSH TP,$TATOM - PUSH TP,IMQUOTE TVTOFF,,MUDDLE - PUSH TP,$TFIX - PUSH TP,A - MCALL 2,SETG - -; HERE TO SETUP SQUOZE TABLE IN PURE CORE - - PUSHJ P,SQSETU ; GO TO ROUTINE - - MOVEI A,400000 ; FENCE POST PURE SR VECTOR - HRRM A,PURVEC(TVP) - MOVE A,TP - HLRE B,A - SUBI A,-PDLBUF(B) ;POINT TO DOPE WORDS - MOVEI B,12 ;GROWTH SPEC - IORM B,(A) - MOVEI 0,ISTOST - MOVEM 0,CODTOP - PUSHJ P,AAGC ;DO IT - AOJL A,.-1 - MOVE A,TPBASE+1(PVP) - SUB A,[640.,,640.] - MOVEM A,TPBASE+1(PVP) - -; CREATE LIST OF ROOT AND NEW OBLIST - - MOVEI A,5 - PUSH P,A - -NAMOBL: PUSH TP,$TATOM - PUSH TP,@OBNAM-1(A) ; NAME - PUSH TP,$TATOM - PUSH TP,IMQUOTE OBLIST - PUSH TP,$TOBLS - PUSH TP,@OBTBL-1(A) - MCALL 3,PUT ; NAME IT - SOS A,(P) - PUSH TP,$TOBLS - PUSH TP,@OBTBL(A) - PUSH TP,$TATOM - PUSH TP,IMQUOTE OBLIST - PUSH TP,$TATOM - PUSH TP,@OBNAM(A) - MCALL 3,PUT - SKIPE A,(P) - JRST NAMOBL - SUB P,[1,,1] - -;Define MUDDLE version number - MOVEI A,5 - MOVEI B,0 ;Initialize result - MOVE C,[440700,,MUDSTR+2] -VERLP: ILDB D,C ;Get next charcter digit - CAIG D,"9 ;Non-digit ? - CAIGE D,"0 - JRST VERDEF - SUBI D,"0 ;Convert to number - IMULI B,10. - ADD B,D ;Include number into result - SOJG A,VERLP ;Finished ? -VERDEF: - PUSH TP,$TATOM - PUSH TP,MQUOTE MUDDLE - PUSH TP,$TFIX - PUSH TP,B - MCALL 2,SETG ;Make definition -OPIPC: -IFN ITS,[ - PUSH TP,$TCHSTR - PUSH TP,CHQUOTE IPC - PUSH TP,$TATOM - PUSH TP,MQUOTE IPC-HANDLER - MCALL 1,GVAL - PUSH TP,A - PUSH TP,B - PUSH TP,$TFIX - PUSH TP,[1] - MCALL 3,ON - MCALL 0,IPCON -] - -; Allocate inital template tables - - MOVEI A,10 - PUSHJ P,CAFRE1 - ADD B,[10,,10] ; REST IT OFF - MOVEM B,TD.LNT+1(TVP) - MOVEI A,10 - PUSHJ P,CAFRE1 - MOVEI 0,TUVEC ; SETUP UTYPE - HRLM 0,10(B) - MOVEM B,TD.GET+1(TVP) - MOVEI A,10 - PUSHJ P,CAFRE1 - MOVEI 0,TUVEC ; SETUP UTYPE - HRLM 0,10(B) - MOVEM B,TD.PUT+1(TVP) - -PTSTRT: MOVEI A,SETUP - ADDI A,1 - SUB A,PARBOT ;FIND WHERE PAIRS SHOULD GO - MOVEM A,PARNEW -IFE ITS,[ - MOVEI A,400000 - MOVE B,[1,,START] - SEVEC -] - PUSH P,[14.,,14.] ;PUSH A SMALL PRGRM ONTO P - MOVEI A,1(P) ;POINT TO ITS START - PUSH P,[JRST AAGC] ;GO TO AGC - PUSH P,[MOVE B,PSTO+1(PVP)] ;GET SAVED P - PUSH P,[SUB B,-13.(P)] ;FUDGE TO POP OFF PROGRAM - PUSH P,[MOVEM B,PSAV(TB)] ;INTO FRAME - PUSH P,[MOVE B,TPSTO+1(PVP)] ;GET TP - PUSH P,[MOVEM B,TPSAV(TB)] ;STORE IT - PUSH P,[MOVE B,SPSTO+1(PVP)] ;SP - PUSH P,[MOVEM B,SPSAV(TB)] - PUSH P,[MOVEI B,TOPLEV] ;WHERE TO GO - PUSH P,[MOVEM B,PCSAV(TB)] -IFN ITS, PUSH P,[MOVSI B,(.VALUE )] -IFE ITS, PUSH P,[MOVSI B,(JRST 4,)] - PUSH P,[HRRI B,C] - PUSH P,[JRST B] ;GO DO VALRET - PUSH P,[B] - PUSH P,A ; PUSH START ADDR - MOVE B,[JRST -11.(P)] - MOVE 0,[JUMPA START] - MOVE C,[ASCII \0/9\] - MOVE D,[ASCII \B/1Q\] - MOVE E,[ASCIZ \ -* -\] ;TERMINATE - POPJ P, ; GO - -; CHECK PAIR SPACE - -PAIRCH: CAMG A,B - JRST SETTV ;O.K. - -DEATH1: MOVEI B,[ASCIZ /LOSSAGE--CODE AND DATA OVERLAP -/] - PUSHJ P,MSGTYP - .VALUE - -;CHARACTER STRING HACKER - -CHACK: MOVE A,(C) ;GET TYPE - HLLZM A,(D) ;STORE IN NEW HOME - MOVE B,1(C) ;GET POINTER - HLRZ E,B ;-LENGHT - HRRM E,(D) - PUSH P,E+1 ; IDIVI WILL CLOBBER - ADDI E,4+5*2 ; ROUND AND ACCOUNT FOR DOPE WORDS - IDIVI E,5 ; E/ WORDS LONG - PUSHJ P,EBPUR ; MAKE A PURIFIED COPY - POP P,E+1 - HRLI B,440700 ;MAKE POINT BYTER - MOVEM B,1(D) ;AND STORE IT - ANDI A,-1 ;CLEAR LH OF A - JUMPE A,SETLP ;JUMP IF NO REF - MOVE E,(P) ;GET OFFSET - LSH E,1 - HRRZ B,-1(A) ;SEE IF PREVIOUS INSTRUCTION REFERS TO $TCHSTR - CAIE B,$TCHSTR ;SKIP IF IT DOES - JRST CHACK1 ;NO, JUST DO CHQUOTE PART - HRRM E,-1(A) ;CLOBBER - MOVEI B,TVP - DPB B,[220400,,-1(A)] ;CLOBBER INDEX FIELD -CHACK1: ADDI E,1 - HRRM E,(A) ;STORE INTO REFERENCE - JRST SETLP - -; SUBROUTINE TO COPY A HUNK OF STRUCTURE TO THE HIGH SEGMENT - -EBPUR: PUSH P,E - PUSH P,A - ADD E,HITOP ; GET NEW TOP - CAMG E,RHITOP ; SKIP IF TOO BIG - JRST EBPUR1 - -; CODE TO GROW HI SEG - - MOVEI A,2000 - ADDB A,RHITOP ; NEW TOP -IFN ITS,[ - ASH A,-10. ; NUM OF BLOCKS - SUBI A,1 ; BLOCK TO GET - .CALL HIGET - .VALUE -] - -EBPUR1: MOVEI A,-1(E) ; NEEDED TO TERMINATE BLT - EXCH E,HITOP - HRLI E,(B) - MOVEI B,(E) - BLT E,(A) - POP P,A - POP P,E - POPJ P, - -GIVCOR: SETZ - SIXBIT /CORBLK/ - 1000,,0 - 1000,,-1 - SETZ A - -HIGET: SETZ - SIXBIT /CORBLK/ - 1000,,100000 - 1000,,-1 - A - 401000,,400001 - - -; PROCESS AN ATOM AND ADD IT TO AN APPROPRIATE OBLIST IF IT ISN'T -; ALREADY THERE - -ATOMHK: PUSH TP,$TOBLS ; SAVE OBLIST - PUSH TP,[0] ; FILLED IN LATER - PUSH TP,$TVEC ;SAVE TV POINTERS - PUSH TP,C - PUSH TP,$TVEC - PUSH TP,D - MOVE B,1(C) ;GET THE ATOM - PUSH TP,$TATOM ;AND SAVE - PUSH TP,B - HRRZ A,(B) ;GET OBLIST SPEC FROM ATOM - LSH A,1 - ADDI A,1(TB) ;POINT TO ITS HOME - PUSH TP,$TOBLS - PUSH TP,(A) ;AND SAV IT - MOVE A,(A) - MOVEM A,-10(TP) ; CLOBBER - HLRE E,A - MOVNS E - - ADD B,[3,,3] ;POINT TO ATOM'S PNAME - MOVEI A,0 ;FOR HASHING - XOR A,(B) - AOBJN B,.-1 - TLZ A,400000 ;FORCE POSITIVE RESULT - IDIV A,E - HRLS B ;REMAINDER IN B IS BUCKET - ADDB B,(TP) ;UPDATE POINTER - - SKIPN C,(B) ;GOBBLE BUCKET CONTENTS - JRST USEATM ;NONE, LEAVE AND USE THIS ATOM -OBLOO3: MOVE E,-2(TP) ;RE-GOBBLE ATOM - ADD E,[3,,3] ;POINT TO PNAME - SKIPN D,1(C) ;CHECK LIST ELEMNT - JRST NXTBCK ;0, CHECK NEXT IN THIS BUCKET - ADD D,[3,,3] ;POINT TO PNAME -OBLOO2: MOVE A,(D) ;GET A WORD - CAME A,(E) ;COMPARE - JRST NXTBCK ;THEY DIFFER, TRY NEX -OBLOOP: AOBJP E,CHCKD ;COULD BE A MATCH, GO CHECK - AOBJN D,OBLOO2 ;HAVEN'T LOST YET - -NXTBCK: HRRZ C,(C) ;CDR THE LIST - JUMPN C,OBLOO3 ;IF NOT NIL, KEEP TRYING - -;HERE IF THIS ATOM MUST BE PUT ON OBLIST - -USEATM: MOVE B,-2(TP) ; GET ATOM - HLRZ 0,(B) ; SEE IF PURE OR NOT - TRNN 0,400000 ; SKIP IF IMPURE - JRST PURATM - MOVE B,(TP) ;POINTER TO BUCKET - HRRZ C,(B) ;POINTER TO LIST IN THIS BUCKET - PUSH TP,$TATOM ;GENERATE CALL TO CONS - PUSH TP,-3(TP) - PUSH TP,$TLIST - PUSH TP,C - MCALL 2,CONS ;CONS IT UP - MOVE C,(TP) ;REGOBBLE BUCKET POINTER - HRRZM B,(C) ;CLOBBER - MOVE B,-2(TP) ;POINT TO ATOM - MOVE C,-10(TP) ; GET OBLIST - MOVEM C,2(B) ; INTO ATOM - PUSHJ P,VALMAK ;MAKE A GLOBAL VALUE FOR THIS LOSER -PURAT2: MOVE C,-6(TP) ;RESET POINTERS - MOVE D,-4(TP) - SUB TP,[12,,12] - MOVE B,(C) ;MOVE THE ENTRY - HLLZM B,(D) ;DON'T WANT REF POINTER STORED - MOVE A,1(C) ;AND MOVE ATOM - MOVEM A,1(D) - MOVE A,(P) ;GET CURRENT OFFSET - LSH A,1 - ADDI A,1 - ANDI B,-1 ;CHECK FOR REAL REF - JUMPE B,SETLP1 ;DON'T SAVE THIS ATOM ON TVP - HRRM A,(B) ;CLOBBER CODE - JRST SETLP - - -; HERE TO MAKE A PURE ATOM - -PURATM: HRRZ B,-2(TP) ; POINT TO IT - HLRE E,-2(TP) ; - LNTH - MOVNS E - ADDI E,2 - PUSHJ P,EBPUR ; PURE COPY - HRRM B,-2(TP) ; AND STORE BACK - HRRO B,(TP) ; GET BUCKET BACK -PURAT1: HRRZ C,(B) ; GET CONTENTS - JUMPE C,HICONS ; AT END, OK - CAIL C,HIBOT ; SKIP IF IMPURE - JRST HICONS ; CONS IT ON - MOVEI B,(C) - JRST PURAT1 - -HICONS: HRLI C,TATOM - PUSH P,C - PUSH P,-2(TP) - PUSH P,B - MOVEI B,-2(P) - MOVEI E,2 - PUSHJ P,EBPUR ; MAKE PURE LIST CELL - - MOVE C,(P) - SUB P,[3,,3] - HRRM B,(C) ; STORE IT - MOVE B,1(B) ; ATOM BACK - MOVE C,-6(TP) ; GET TVP SLOT - HRRM B,1(C) ; AND STORE - HLRZ 0,(B) ; TYPE OF VAL - MOVE C,B - CAIN 0,TUNBOU ; NOT UNBOUND? - JRST PURAT3 ; UNBOUND, NO VAL - MOVEI E,2 ; COUNT AGAIN - PUSHJ P,EBPUR ; VALUE CELL - MOVE C,-2(TP) ; ATOM BACK - HLLZS (B) ; CLEAR LH - MOVSI 0,TLOCI - HLLM 0,(C) - MOVEM B,1(C) -PURAT3: HRRZ A,(C) ; GET OBLIST CODE - MOVE A,OBTBL2(A) - MOVEM A,2(C) ; STORE OBLIST SLOT - HLLZS (C) - JRST PURAT2 - -; A POSSIBLE MATCH ARRIVES HERE - -CHCKD: AOBJN D,NXTBCK ;SIZES DIFFER, JUMP - MOVE D,1(C) ;THEY MATCH!, GET EXISTING ATOM - MOVEI A,(D) ;GET TYPE OF IT - MOVE B,-2(TP) ;GET NEW ATOM - HLRZ 0,(B) - TRZ A,377777 ; SAVE ONLY 400000 BIT - TRZ 0,377777 - CAIN 0,(A) ; SKIP IF WIN - JRST IM.PUR - MOVSI 0,400000 - ANDCAM 0,(B) - ANDCAM 0,(D) - HLRZ A,(D) - CAIE A,TUNBOU ;UNBOUND? - JRST A1VAL ;YES, CONTINUE - MOVE A,(B) ;MOVE VALUE - MOVEM A,(D) - MOVE A,1(B) - MOVEM A,1(D) - MOVE B,D ;EXISTING ATOM TO B - MOVEI 0,(B) - CAIL 0,HIBOT - JRST .+3 - PUSHJ P,VALMAK ;MAKE A VALUE - JRST .+2 - PUSHJ P,PVALM - -;NOW FIND ATOMS OCCURENCE IN XFER VECTOR - -OFFIND: MOVE D,-4(TP) ;GET CURRENT POINTER INTO TP - MOVE C,TVP ;AND A COPY OF TVP - MOVEI A,0 ;INITIALIZE COUNTER -ALOOP: CAMN B,1(C) ;IS THIS IT? - JRST AFOUND - ADD C,[2,,2] ;BUMP COUNTER - CAMGE C,D ;HAVE WE HIT END - AOJA A,ALOOP ;NO, KEEP LOOKING - - MOVEI B,[ASCIZ /LOSSAGE--ATOM DISAPPEARED -/] -TYPIT: PUSHJ P,MSGTYP - .VALUE - -AFOUND: LSH A,1 ;FOUND ATOM, GET REAL OFFSET - ADDI A,1 - MOVE C,-6(TP) ;GET TV POINTER TO NEW ATOM - HRRZ B,(C) ;POINT TO REFERENCE - SKIPE B ;ANY THERE? - HRRM A,(B) ;YES, CLOBBER AWAY - SUB TP,[12,,12] - JRST SETLP1 ;AND GO ON - -A1VAL: HLRZ C,(B) ;GET VALUE'S TYPE - MOVE B,D ;NOW PUT EXISTING ATOM IN B - CAIN C,TUNBOU ;UNBOUND? - JRST OFFIND ;YES, WINNER - - MOVEI B,[ASCIZ /LOSSAGE--ATOM TRIES TO HAVE 2 VALUES -/] - JRST TYPIT - - -IM.PUR: MOVEI B,[ASCIZ /LOSSAG--ATOM TRIES TO BE BOTH PURE AND IMPURE -/] - JRST TYPIT - -PAGLOS: MOVEI B,[ASCIZ /LOSSAGE--IMPURE CORE EXTENDS INTO HIGH SEGMENT -/] - JRST TYPIT - -;MAKE A VALUE IN SLOT ON GLOBAL SP - -VALMAK: HLRZ A,(B) ;TYPE OF VALUE - CAIE A,400000+TUNBOU - CAIN A,TUNBOU ;VALUE? - POPJ P, ;NO, ALL DONE - MOVE A,GLOBSP+1(TVP) ;GET POINTER TO GLOBAL SP - SUB A,[4,,4] ;ALLOCATE SPACE - CAMG A,GLOBAS+1(TVP) ;CHECK FOR OVERFLOW - JRST SPOVFL - MOVEM A,GLOBSP+1(TVP) ;STORE IT BACK - MOVE C,(B) ;GET TYPE CELL - TLZ C,400000 - HLLZM C,2(A) ;INTO TYPE CELL - MOVE C,1(B) ;GET VALUE - MOVEM C,3(A) ;INTO VALUE SLOT - MOVSI C,TGATOM ;GET TATOM,,0 - MOVEM C,(A) - MOVEM B,1(A) ;AND POINTER TO ATOM - MOVSI C,TLOCI ;NOW CLOBBER THE ATOM - MOVEM C,(B) ;INTO TYPE CELL - ADD A,[2,,2] ;POINT TO VALUE - MOVEM A,1(B) - POPJ P, - -SPOVFL: MOVEI B,[ASCIZ /LOSSAGE--GLOBAL SP OVERFLOW -/] - JRST TYPIT - - -PVALM: HLRZ 0,(B) - CAIE 0,400000+TUNBOU - CAIN 0,TUNBOU - POPJ P, - MOVEI E,2 - PUSH P,B - PUSHJ P,EBPUR - POP P,C - MOVEM B,1(C) - MOVSI 0,TLOCI - MOVEM 0,(C) - MOVE B,C - POPJ P, - ;SET UP LIST OF INTERNAL NAMES AND ADDRESS NEEDED BY COMPILER - -VECTGO DUMMY1 - -IRP A,,[FINIS,SPECBIND,MESTBL,WNA,WRONGT,$TLOSE,CALER1 -ILOC,IGLOC,IDVAL,ILVAL,IGVAL,INTFLG,LCKINT,TYPLOO,TDEFER -IFALSE,UNAS,UNBOU,RCALL,SEGMNT,SEGLST,NUMPRI,DISXTR,SSPEC1,COMPERR -MAKACT,MAKENV,BFRAME,TTP,TTB,$TTP,$TTB,MAKTUP,TPALOC,IBIND,SSPECS -CILVAL,CISET,CIGVAL,CSETG,IBLOK1,IBLOCK,CLLOC,CGLOC,CASSQ,CGASSQ -CILNT,CILNQ,CILEGQ,CEMPTY,CIEQUA,CIREST,CINTH,CIAT,CSETLO,CIN -CIPUT,CIGET,CIGETL,CIMON,CISTRU,CIMEMQ,CIMEMB,CITOP,CIBACK,TYPSEG -CICONS,CIUVEC,CIVEC,IIFORM,IILIST,CISTNG,HITOP,INCR1,TYPG,VALG,TESTR -OTBSAV,CITYPE,CFRAME,CARGS,CFUNCT,CUTYPE,CPTYPE,CTYPEP,CTYPEQ,CCHUTY -CIREMA,RTFALS,CIGETP,CIGTPR,MPOPJ,TAB,$TAB,ICONS,CSTO,DSTO,NTPALO -CPLUS,CTIMES,CTIME,CDIVID,CMINUS,CLQ,CLEQ,CGQ,CGEQ,CLOG,CSIN,CCOS,CATAN,CSQRT -CFIX,CFLOAT,CEXP,CRAND,CINEQU,SPECBND,PGGIVE,PGFIND,MTYO,CMIN,CMAX,RCL,R1C,W1C -CALLTY,CTYPEC,CTYPEW,NOTTY,CHKAB,CTMPLT,IUNWIN,UNWIN2,NOSHUF,ROOT,ERROBL,INTOBL -CINSER,CIRMV,CLOOKU,CATOM,CIPNAM,ISTRCM,CITERP,CIPRIN,CIPRN1,CIPRNC -CPATM,CP1ATM,CPCATM,CPSTR,CP1STR,CPCSTR,CPCH,CREADC,CNXTCH,CREDC1,CNXTC1 -CGBOUN,IIGLOC,MAKTU2,CIFLTZ,CIUPRS] - .GLOBAL A - ADDSQU A - MAKAT [A]TFIX,A,MUDDLE,0 -TERMIN - -VECRET - -; ROUTINE TO SORT AND PURIFY SQUOZE TABLE - -SQSETU: MOVE A,[SQUTBL-SQULOC+2,,SQUTBL] - MOVEI 0,1 -SQ2: MOVE B,(A) - CAMG B,2(A) - JRST SQ1 - MOVEI 0,0 - EXCH B,2(A) - MOVEM B,(A) - MOVE B,1(A) - EXCH B,3(A) - MOVEM B,1(A) -SQ1: ADD A,[2,,2] - JUMPL A,SQ2 - JUMPE 0,SQSETU - MOVEI E,SQULOC-SQUTBL - MOVEI B,SQUTBL - PUSHJ P,EBPUR ; TO THE PURE WORLD - HRLI B,SQUTBL-SQULOC - MOVEM B,SQUPNT" - POPJ P, - -RHITOP: 0 - -OBSZ: 151. - 151. - 151. - 151. - 317. - -OBTBL2: ROOT+1 - ERROBL+1 - INTOBL+1 - MUDOBL+1 - INITIAL+1 - -OBTBL: INITIAL+1(TVP) - MUDOBL+1(TVP) - INTOBL+1(TVP) - ERROBL+1(TVP) - ROOT+1(TVP) -OBNAM: MQUOTE INITIAL - MQUOTE MUDDLE - MQUOTE INTERRUPTS - MQUOTE ERRORS - MQUOTE ROOT - -END SETUP - - - -TITLE INTERRUPT HANDLER FOR MUDDLE - -RELOCATABLE - -;C. REEVE APRIL 1971 - -.INSRT MUDDLE > - -SYSQ - -IF1,[ -IFE ITS,.INSRT MUDSYS;STENEX > -] - -PDLGRO==10000 ;AMOUNT TO GROW A PDL THAT LOSES -NINT==72. ;MAXIMUM NUMBER OF INTERRUPTS POSSIBLE - -IFN ITS,[ -;SET UP LOCATION 42 TO POINT TO TSINT - -RMT [ - -ZZZ==$. ;SAVE CURRENT LOCATION - -LOC 42 - - JSR MTSINT ;GO TO HANDLER - -LOC ZZZ -] -] - -; GLOBALS NEEDED BY INTERRUPT HANDLER - -.GLOBAL ONINT ; FUDGE INS EXECUTED IF NON ZERO AT START OF INTERRUPT -.GLOBA GCFLG ;TELLS WHETHER OR NOT GARBAGE COLLECTOR IS RUNNING -.GLOBAL GCFLCH ; FLUSH CHARS IMMEDIATE SO GC CAN SEE THEM -.GLOBAL CORTOP ; TOP OF CORE -.GLOBA GCINT ;TELLS GARBAGE COLLECTOR TO SIMULATE AN INTERRUPT -.GLOBAL INTNUM,INTVEC ;TV ENTRIES CONCERNING INTERRUPTS -.GLOBAL AGC ;CALL THE GARBAGE COLLECTOR -.GLOBAL VECNEW,PARNEW,GETNUM ;GC PSEUDO ARGS -.GLOBAL GCPDL ;GARBAGE COLLECTORS PDL -.GLOBAL VECTOP,VECBOT ;DELIMIT VECTOR SPACE -.GLOBAL PURTOP -.GLOBAL PDLBUF ;AMOUNT OF PDL GROWTH -.GLOBAL PGROW ;POINTS TO DOPE WORD OF NEXT PDL TO GROW -.GLOBAL TPGROW ;POINTS TO NEXT MUDDLE PDL TO GROW -.GLOBAL TOPLEV,ERROR%,N.CHNS,CHNL1 -.GLOBAL BUFRIN,CHNL0,SYSCHR ;CHANNEL GLOBALS -.GLOBAL IFALSE,TPOVFL,1STEPR,INTOBL,INCHAR,CURPRI,RDEVIC,RDIREC,GFALS,STATUS -.GLOBAL PSTAT,NOTRES,IOIN2,INAME,INTFCN,CHNCNT,CHANNO,GIBLOK,ICONS,INCONS -.GLOBAL IEVECT,INSRTX,ILOOKC,IPUT,IREMAS,IGET,CSTAK,EMERGE -.GLOBAL MTSINT ;BEGINNING OF INTERRUPT HANDLER -.GLOBAL INTINT ;CALLED BY INITIALIZER TO TAKE CARE OF INT PCS -.GLOBAL FRMSTK,APPLY,CHUNW -.GLOBAL IPCGOT,DIRQ ;HANDLE BRANCHING OFF TO IPC KLUDGERY - -; GLOBALS FOR GC -.GLOBAL GCTIM,GCCAUS,GCCALL - -; GLOBALS FOR MONITOR ROUTINES - -.GLOBAL MONCH,MONCH0,RMONCH,RMONC0,LOCQ,SMON,BAPT,APLQ,MAKACT,NAPT -.GLOBAL PURERR,BUFRIN,INSTAT - -MONITOR - -.GLOBAL MSGTYP,MTYI,UPLO,IFLUSH,OCLOS,ERRET,MASK1,MASK2 ;SUBROUTINES USED -.GLOBAL ERROR,LISTEN,ECHO,RRESET,MTYO,GCHAPN,P.CORE,P.TOP,QUEUES,NOTTY,TTYOP2,TTICHN -.GLOBAL INTHLD,BNDV,SPECBE -;BEGINNING OF ACTUAL INTERRUPT HANDLER (MUST BE IMPURE) - - -;***** TEMP FUDGE ******* - -QUEUES==INTVEC - - -; DECLARATIONS ASSOCIATED WITH INTERRUPT HANDERS AND HEADERS - -; SPECIAL TABLES - -SPECIN: IRP A,,[CHAR,CLOCK,MPV,ILOPR,WRITE,READ,IOC,PURE,SYSDOWN,INFERIOR,RUNT,REALT -PARITY] - MQUOTE A,[A]INTRUP - TERMIN -SPECLN==.-SPECIN - -; TABLE OF SPECIAL FINDING ROUTINES - -FNDTBL: IRP A,,[GETCHN,0,0,0,LOCGET,LOCGET,0,0,0,0,0,0,0] - A - TERMIN - -; TABLE OF SPECIAL SETUP ROUTINES - -INTBL: IRP A,,[S.CHAR,S.CLOK,S.MPV,S.ILOP,S.WMON,S.RMON,S.IOC,S.PURE,S.DOWN,S.INF -S.RUNT,S.REAL,S.PAR] - A - S!A==.IRPCNT - TERMIN - -IFN ITS,[ - -; EXTERNAL INTERRUPT TABLE - -EXTINT: REPEAT NINT-36.,0 - REPEAT 16.,HCHAR - 0 - 0 - REPEAT 8.,HINF - REPEAT NINT-62.,0 -EXTEND: - -IRP A,,[[HCLOCK,13.],[HMPV,14.],[HILOPR,6],[HIOC,9],[HPURE,26.],[HDOWN,7],[HREAL,35.] -[HRUNT,34.],[HPAR,28.]] - IRP B,C,[A] - LOC EXTINT+C - B - .ISTOP - TERMIN -TERMIN - - -LOC EXTEND -] - -IFE ITS,[ - -; TABLES FOR TENEX INTERRUPT SYSTEM - -LEVTAB: P1 ; POINTS TO INT PC HOLDERS FOR LEVS 1,2 AND 3 - P2 - P3 - -CHNMSK==0 ; WILL BE MASK WORD FOR INT SET UP -MFORK==400000 -NNETS==10. ; ALLOW 10 NETWRK INTERRUPTS -NETCHN==36.-NNETS - -CHNTAB: ; LOCATION OF INT ROUTINES FOR VARIOUS "CHANNELS" - BLOCK 36.-NNETS ; THERE AR 36. TENEX INT CHANNELS - -REPEAT NNETS, 1,,INTNET+3*.RPCNT - -IRP A,,[[0,CNTLG],[1,CNTLS],[9.,TNXPDL]] - IRP B,C,[A] - LOC CHNTAB+B - 1,,C - CHNMSK==CHNMSK+<1_<35.-B>> - .ISTOP - TERMIN -TERMIN -LOC CHNTAB+36. - -EXTINT: BLOCK NINT-NNETS - -REPEAT NNETS,HNET - -IRP A,,[[HCNTLG,36.],[HCNTLS,37.]] - IRP B,C,[A] - LOC EXTINT+C - B - .ISTOP - TERMIN -TERMIN -LOC EXTINT+NINT -] - - -; HANDLER/HEADER PARAMETERS - -; HEADER BLOCKS - -IHDRLN==4 ; LENGTH OF HEADER BLOCK - -INAME==0 ; NAME OF INTERRUPT -ISTATE==2 ; CURRENT STATE -IHNDLR==4 ; POINTS TO LIST OF HANDLERS -INTPRI==6 ; CONTAINS PRIORITY OF INTERRUPT - -IHANDL==4 ; LENGTH OF A HANDLER BLOCK - -INXT==0 ; POINTS TO NEXTIN CHAIN -IPREV==2 ; POINTS TO PREV IN CHAIN -INTFCN==4 ; FUNCTION ASSOCIATED WITH THIS HANDLER -INTPRO==6 ; PROCESS TO RUN INT IN - -IFN ITS,[ -RMT [ -IMPURE -TSINT: -MTSINT: 0 ;INTERRUPT BITS GET STORED HERE -TSINTR: 0 ;INTERRUPT PC WORD STORED HERE - JRST TSINTP ;GO TO PURE CODE - -; SOFTWARE INTERNAL INTERRUPTS JSR TO HERE - -LCKINT: 0 - JRST DOINT - -PURE -] -] -IFE ITS,[ -RMT [ -; JSR HERE FOR SOFTWARE INTERNAL INTERRUPTS - -LCKINT: 0 - JRST DOINT -] -] - - -IFN ITS,[ - -;THE REST OF THIS CODE IS PURE - -TSINTP: SOSGE INTFLG ; SKIP IF ENABLED - SETOM INTFLG ;DONT GET LESS THAN -1 - - MOVEM A,TSAVA ;SAVE TWO ACS - MOVEM B,TSAVB - MOVE A,TSINT ;PICK UP INT BIT PATTERN - JUMPL A,2NDWORD ;DONT CHECK FOR PDL OVERFLOW ETC. IF SIGN BIT ON - - TRZE A,200000 ;IS THIS A PDL OVERFLOW? - JRST IPDLOV ;YES, GO HANDLE IT FIRST - -IMPCH: MOVEI B,0 - TRNE A,20000 ;IS IT A MEMORY PROTECTION VIOLATION? - MOVEI B,1 ; FLAG SAME - - TRNE A,40 ;ILLEGAL OP CODE? - MOVEI B,2 ; ALSO FLAG - TRNN A,400 ; IOC? - JRST .+3 - SOS TSINTR - MOVEI B,3 - TLNE A,200 ; PURE? - MOVEI B,4 - SOJGE B,DO.NOW ; CANT WAIT AROUND - -;DECODE THE REST OF THE INTERRUPTS USING A TABLE - -2NDWORD: - JUMPL A,GC2 ;2ND WORD? - IORM A,PIRQ ;NO, INTO WORD 1 - JRST GCQUIT ;AND DISMISS INT - -GC2: TLZ A,400000 ;TURN OFF SIGN BIT - IORM A,PIRQ2 - TRNE A,177777 ;CHECK FOR CHANNELS - JRST CHNACT ;GO IF CHANNEL ACTIVITY -] -GCQUIT: SKIPGE INTFLG ;SKIP IF INTERRUPTS ENABLED - JRST INTDON ;NO, DEFER REAL HANDLING UNTIL LATER - - MOVE A,TSINTR ;PICKUP RETURN WORD -IFE ITS,[ - TLON A,10000 ; EXEC PC? - SUBI A,1 ; YES FIXUP PC -] - MOVEM A,LCKINT ;STORE ELSEWHERE - MOVEI A,DOINTE ;CAUSE DISMISS TO HANDLER - HRRM A,TSINTR ;STORE IN INT RETURN - PUSH P,INTFLG ;SAVE INT FLAG - SETOM INTFLG ;AND DISABLE - - -INTDON: MOVE A,TSAVA ;RESTORE ACS - MOVE B,TSAVB -IFN ITS, .DISMISS TSINTR ;AND DISMISS THE INTERRUPT -IFE ITS, DEBRK - - -DO.NOW: SKIPE GCFLG - JRST DLOSER ; HANDLE FATAL GC ERRORS - MOVSI B,1 - SKIPGE INTFLG ; IF NOT ENABLED - MOVEM B,INTFLG ; PRETEND IT IS - JRST 2NDWORD - -IFE ITS,[ - -; HERE FOR TENEX PDL OVER FLOW INTERRUPT - -TNXPDL: SOSGE INTFLG - SETOM INTFLG - MOVEM A,TSAVA - MOVEM B,TSAVB - JRST IPDLOV ; GO TO COMMON HANDLER - -; HERE FOR TENEX ^G AND ^S INTERRUPTS - -CNTLG: MOVEM A,TSAVA - MOVEI A,1 - JRST CNTSG - -CNTLS: MOVEM A,TSAVA - MOVEI A,2 - -CNTSG: MOVEM B,TSAVB - IORM A,PIRQ2 ; SAY FOR MUDDLE LEVEL - SOSGE INTFLG - SETOM INTFLG - JRST GCQUIT -INTNET: -REPEAT NNETS,[ - MOVEM A,TSAVA - MOVE A,[1_<.RPCNT+NETCHN>] - JRST CNTSG -] -] - -; HERE TO PROCESS INTERRUPTS - -DOINT: SKIPE INTHLD ; GLOBAL LOCK ON INTS - JRST @LCKINT - SETOM INTHLD ; DONT LET IT HAPPEN AGAIN - PUSH P,INTFLG -DOINTE: SKIPE ONINT ; ANY FUDGE? - XCT ONINT ; YEAH, TRY ONE - EXCH 0,LCKINT ; RELATIVIZE PC IF FROM RSUBR - PUSH P,0 ; AND SAVE - ANDI 0,-1 - CAMG 0,PURTOP - CAMGE 0,VECBOT - JRST DONREL - SUBI 0,(M) ; M IS BASE REG - HLL 0,(P) ; GET FLAGS - TLO 0,M ; INDEX IT OFF M - EXCH 0,(P) ; AND RESTORE TO STACK -DONREL: EXCH 0,LCKINT ; GET BACK SAVED 0 - SETZM INTFLG ;DISABLE - AOS -1(P) ;INCR SAVED FLAG - -;NOW SAVE WORKING ACS - - PUSHJ P,SAVACS - HLRZ A,-1(P) ; HACK FUNNYNESS FOR MPV/ILOPR - SKIPE A - SETZM -1(P) ; REALLY DISABLED - -DIRQ: MOVE A,PIRQ ;NOW SATRT PROCESSING - JFFO A,FIRQ ;COUNT BITS AND GO - MOVE A,PIRQ2 ;1ST DONE, LOOK AT 2ND - JFFO A,FIRQ2 - -INTDN1: SKIPN GCHAPN ; SKIP IF MUST DO GC INT - JRST .+3 - SETZM GCHAPN - PUSHJ P,INTOGC ; AND INTERRUPT - - PUSHJ P,RESTAC - -IFN ITS,[ - .SUSET [.SPICLR,,[0]] ; DISABLE INTS -] - POP P,LCKINT - POP P,INTFLG - SETZM INTHLD ; RE-ENABLE THE WORLD -IFN ITS,[ - EXCH 0,LCKINT - HRRI 0,@0 ; EFFECTIVIZE THE ADDRESS - TLZ 0,37 ; KILL IND AND INDEX - EXCH 0,LCKINT - .DISMIS LCKINT -] -IFE ITS, JRST @LCKINT -FIRQ: PUSHJ P,GETBIT ;SET UP THE BIT TO CLOBBER IN PIRQ - ANDCAM A,PIRQ ;CLOBBER IT - ADDI B,36. ;OFSET INTO TABLE - JRST XIRQ ;GO EXECUTE - -FIRQ2: PUSHJ P,GETBIT ;PREPARE TO CLOBBER BIT - ANDCAM A,PIRQ2 ;CLOBBER IT - ADDI B,71. ;AGAIN OFFSET INTO TABLE -XIRQ: - CAIE B,21 ;PDL OVERFLOW? - JRST FHAND ;YES, HACK APPROPRIATELY - -PDL2: SKIPN A,PGROW - SKIPE A,TPGROW - JRST .+2 - JRST DIRQ ; NOTHING GROWING, FALSE ALARM - MOVEI B,PDLGRO_-6 ;GET GROWTH SPEC - DPB B,[111100,,-1(A)] ;STORE GROWTH SPEC -REAGC: MOVE C,[10.,,1] ; INDICATOR FOR AGC - SKIPE PGROW ; P IS GROWING - ADDI C,6 - SKIPE TPGROW ; TP IS GROWING - ADDI C,1 - PUSHJ P,AGC ;COLLECT GARBAGE - SETZM PGROW - SETZM TPGROW - AOJL A,REAGC ; IF NO CORE, RETRY - JRST DIRQ - -SAVACS: -IRP A,,[0,A,B,C,D,E] - PUSH TP,A!STO(PVP) - SETZM A!STO(PVP) ;NOW ZERO TYPE - PUSH TP,A - TERMIN - POPJ P, - -RESTAC: -IRP A,,[E,D,C,B,A,0] - POP TP,A - POP TP,A!STO(PVP) - TERMIN - POPJ P, - -; HERE TO DO GC INTERRUPT AND CLOSE ANY DEAD CHANNELS - -INTOGC: PUSH P,[N.CHNS-1] - MOVE A,TVP - ADD A,[CHNL1,,CHNL1] - PUSH TP,$TVEC - PUSH TP,A - -INTGC1: MOVE A,(TP) ; GET POINTER - SKIPN B,1(A) ; ANY CHANNEL? - JRST INTGC2 - HRRE 0,(A) ; INDICATOR - JUMPGE 0,INTGC2 - PUSH TP,$TCHAN - PUSH TP,B - MCALL 1,FCLOSE - - MOVE A,(TP) - -INTGC2: HLLZS (A) - ADD A,[2,,2] - MOVEM A,(TP) - SOSE (P) - JRST INTGC1 - - SUB P,[1,,1] - SUB TP,[2,,2] - PUSH TP,$TCHSTR - PUSH TP,CHQUOTE GC - PUSH TP,$TFLOAT ; PUSH ON TIME ARGUMENT - PUSH TP,GCTIM - PUSH TP,$TFIX ; PUSH ON THE CAUSE ARGUMENT - PUSH TP,GCCAUS - PUSH TP,$TATOM ; PUSH ON THE CALL ARGUMENT - MOVE A,GCCALL - PUSH TP,@GCALLR(A) - MCALL 4,INTERR - POPJ P, - - -GCALLR: 0 - MQUOTE BLOAT - MQUOTE GROW - MQUOTE LIST - MQUOTE VECTOR - MQUOTE SET - MQUOTE SETG - MQUOTE FREEZE - MQUOTE PURE-PAGE-LOADER - MQUOTE GC - MQUOTE INTERRUPT-HANDLER - MQUOTE NEWTYPE - - ; OLD "ON" SETS UP EVENT AND HANDLER - -MFUNCTION ON,SUBR - - ENTRY - - HLRE 0,AB ; 0=> -2*NUM OF ARGS - ASH 0,-1 ; TO -NUM - CAME 0,[-5] - JRST .+3 - MOVEI B,10(AB) ; LAST MUST BE CHAN OR LOC - PUSHJ P,CHNORL - ADDI 0,3 - JUMPG 0,TFA ; AT LEAST 3 - MOVEI A,0 ; SET UP IN CASE NO PROC - AOJG 0,ONPROC ; JUMP IF NONE - GETYP C,6(AB) ; CHECK IT - CAIE C,TPVP - JRST TRYFIX - MOVE A,7(AB) ; GET IT -ONPROC: PUSH P,A ; SAVE AS A FLAG - GETYP A,(AB) ; CHECK PREV EXISTANCE - PUSH P,0 - CAIN A,TATOM - JRST .+3 - CAIE A,TCHSTR - JRST WTYP1 - MOVEI B,(AB) ; FIND IT - PUSHJ P,FNDINT - POP P,0 ; REST NUM OF ARGS - JUMPN B,ON3 ; ALREADY THERE - SKIPE C ; SKIP IF NOTHING TO FLUSH - SUB TP,[2,,2] - PUSH TP,(AB) ; GET NAME - PUSH TP,1(AB) - PUSH TP,4(AB) - PUSH TP,5(AB) - MOVEI A,2 ; # OF ARGS TO EVENT - AOJG 0,ON1 ; JUMP IF NO LAST ARG - PUSH TP,10(AB) - PUSH TP,11(AB) - ADDI A,1 -ON1: ACALL A,EVENT - -ON3: PUSH TP,A - PUSH TP,B - PUSH TP,2(AB) ; NOW FCN - PUSH TP,3(AB) - MOVEI A,3 ; NUM OF ARGS - SKIPN (P) - SOJA A,ON2 ; NO PROC - PUSH TP,$TPVP - PUSH TP,7(AB) -ON2: ACALL A,HANDLER - JRST FINIS - - -TRYFIX: SKIPN A,7(AB) - CAIE C,TFIX - JRST WRONGT - JRST ONPROC - -; ROUTINE TO BUILD AN EVENT - -MFUNCTION EVENT,SUBR - - ENTRY - - HLRZ 0,AB - CAIN 0,-2 ; IF JUST 1 - JRST RE.EVN ; COULD BE EVENT - CAIL 0,-3 ; MUST BE AT LEAST 2 ARGS - JRST TFA - GETYP A,2(AB) ; 2ND ARG MUST BE FIXED POINT PRIORITY - CAIE A,TFIX - JRST WTYP2 - GETYP A,(AB) ; FIRST ARG SHOULD BE CHSTR - CAIN A,TATOM ; ALLOW ACTUAL ATOM - JRST .+3 - CAIE A,TCHSTR - JRST WTYP1 - CAIL 0,-5 - JRST GOTRGS - CAIG 0,-7 - JRST TMA - MOVEI B,4(AB) - PUSHJ P,CHNORL ; CHANNEL OR LOCATIVE (PUT ON STACK) - -GOTRGS: MOVEI B,(AB) ; NOW TRY TO FIND HEADER FOR THIS INTERRUPT - PUSHJ P,FNDINT ; CALL INTERNAL HACKER - JUMPN B,FINIS ; ALREADY ONE OF THIS NAME - PUSH P,C - JUMPE C,.+3 ; GET IT OFF STACK - POP TP,B - POP TP,A - PUSHJ P,MAKINT ; MAKE ONE FOR ME - MOVSI 0,TFIX - MOVEM 0,INTPRI(B) ; SET UP PRIORITY - MOVE 0,3(AB) - MOVEM 0,INTPRI+1(B) -CH.SPC: POP P,C ; GET CODE BACK - SKIPGE C - PUSHJ P,DO.SPC ; DO ANY SPECIAL HACKS - JRST FINIS - -RE.EVN: GETYP 0,(AB) - CAIE 0,TINTH - JRST TFA ; ELSE SAY NOT ENOUGH - MOVE B,1(AB) ; GET IT - SETZM ISTATE+1(B) ; MAKE SURE ENABLED - SETZB D,C - GETYP A,INAME(B) ; CHECK FOR CHANNEL - CAIN A,TCHAN ; SKIP IF NOT - HRROI C,SS.CHA ; SET UP CHANNEL HACK - HRLZ E,INTPRI(B) ; GET POSSIBLE READ/WRITE BITS - TLNE E,.WRMON+.RDMON ; SKIP IF NOT MONITORS - PUSHJ P,GETNM1 - JUMPL C,RE.EV1 - MOVE B,INAME+1(B) ; CHECK FOR SPEC - PUSHJ P,SPEC1 - MOVE B,1(AB) ; RESTORE IHEADER -RE.EV1: PUSH TP,INAME(B) - PUSH TP,INAME+1(B) - PUSH P,C - MOVSI C,TATOM - PUSH TP,$TATOM - SKIPN D - MOVE D,MQUOTE INTERRUPT - PUSH TP,D - MOVE A,INAME(B) - MOVE B,INAME+1(B) ; GET IT - PUSHJ P,IGET ; LOOK FOR IT - JUMPN B,FINIS ; RETURN IT - MOVE A,(TB) - MOVE B,1(TB) - POP TP,D - POP TP,C - PUSH TP,(AB) - PUSH TP,1(AB) - PUSHJ P,IPUT ; REESTABLISH IT - MOVE A,(AB) - MOVE B,1(AB) - JRST CH.SPC - - -; FUNCTION TO GENERATE A HANDLER FOR A GIVEN INTERRUPT - -MFUNCTION HANDLER,SUBR - - ENTRY - - HLRZ 0,AB - CAIL 0,-2 ; MUST BE 2 OR MORE ARGS - JRST TFA - GETYP A,(AB) - CAIE A,TINTH ; EVENT? - JRST WTYP1 - GETYP A,2(AB) - CAIN 0,-4 ; IF EXACTLY 2 - CAIE A,THAND ; COULD BE HANDLER - JRST CHEVNT - - MOVE B,3(AB) ; GET IT - SKIPN IPREV+1(B) ; SKIP IF ALREADY IN USE - JRST HNDOK - MOVE D,1(AB) ; GET EVENT - SKIPN D,IHNDLR+1(D) ; GET FIRST HANDLER - JRST BADHND - CAMN D,B ; IS THIS IT? - JRST HFINIS ; YES, ALREADY "HANDLED" - MOVE D,INXT+1(D) ; GO TO NEXT HANDLER - JUMPN D,.-3 -BADHND: PUSH TP,$TATOM - PUSH TP,EQUOTE HANDLER-ALREADY-IN-USE - JRST CALER1 - -CHEVNT: CAIG 0,-7 ; SKIP IF LESS THAN 4 - JRST TMA - PUSH TP,$TPVP ; SLOT FOR PROCESS - PUSH TP,[0] - CAIE 0,-6 ; IF 3, LOOK FOR PROC - JRST NOPROC - GETYP 0,4(AB) - CAIE 0,TPVP - JRST WTYP3 - MOVE 0,5(AB) - MOVEM 0,(TP) - -NOPROC: PUSHJ P,APLQ - JRST NAPT - PUSHJ P,MHAND ; MAKE THE HANDLER - MOVE 0,1(TB) ; GET PROCESS - MOVEM 0,INTPRO+1(B) ; AND PUT IT INTO HANDLER - MOVSI 0,TPVP ; SET UP TYPE - MOVEM 0,INTPRO(B) - MOVE 0,2(AB) ; SET UP FUNCTION - MOVEM 0,INTFCN(B) - MOVE 0,3(AB) - MOVEM 0,INTFCN+1(B) - -HNDOK: MOVE D,1(AB) ; PICK UP EVEENT - MOVE E,IHNDLR+1(D) ; GET POINTER TO HANDLERS - MOVEM B,IHNDLR+1(D) ; PUT NEW ONE IN - MOVSI 0,TINTH ; GET INT HDR TYPE - MOVEM 0,IPREV(B) ; INTO BACK POINTER - MOVEM D,IPREV+1(B) ; AND POINTER ITSELF - MOVEM E,INXT+1(B) ; NOW NEXT POINTER - MOVSI 0,THAND ; NOW HANDLER TYPE - MOVEM 0,IHNDLR(D) ; SET TYPE IN HEADER - MOVEM 0,INXT(B) - JUMPE E,HFINIS ; JUMP IF HEADER WAS EMPTY - MOVEM 0,IPREV(E) ; FIX UP ITS PREV - MOVEM B,IPREV+1(E) -HFINIS: MOVSI A,THAND - JRST FINIS - - - -; FUNCTIONS TO SET TIME LIMITS FOR REALTIME AND RUNTIME INTS - -MFUNCTION RUNTIMER,SUBR - - ENTRY 1 - - GETYP 0,(AB) - JFCL 10,.+1 - MOVE A,1(AB) - CAIE 0,TFIX - JRST RUNT1 - IMUL A,[245761.] - JRST RUNT2 - -RUNT1: CAIE 0,TFLOAT - JRST WTYP1 - FMPR A,[245760.62] - MULI A,400 ; FIX IT - TSC A,A - ASH B,(A)-243 - MOVE A,B -RUNT2: JUMPL A,OUTRNG ; NOT FOR NEG # - JFCL 10,OUTRNG - .SUSET [.SRTMR,,A] - MOVE A,(AB) - MOVE B,1(AB) - JRST FINIS - -MFUNCTION REALTIMER,SUBR - - ENTRY 1 - - JFCL 10,.+1 - GETYP 0,(AB) - MOVE A,1(AB) - CAIE 0,TFIX - JRST REALT1 - IMULI A,60. ; TO 60THS OF SEC - JRST REALT2 - -REALT1: CAIE 0,TFLOAT - JRST WTYP1 - FMPRI A,(60.0) - MULI A,400 - TSC A,A - ASH B,(A)-243 - MOVE A,B - -REALT2: JUMPL A,OUTRNG - JFCL 10,OUTRNG - MOVE B,[200000,,A] - .REALT B, - JFCL - MOVE A,(AB) - MOVE B,1(AB) - JRST FINIS - -; FUNCTIONS TO ENABLE AND DISABLE INTERRUPTS - -MFUNCTION %ENABL,SUBR,ENABLE - - PUSHJ P,GTEVNT - SETZM ISTATE+1(B) - JRST FINIS - -MFUNCTION %DISABL,SUBR,DISABLE - - - PUSHJ P,GTEVNT - SETOM ISTATE+1(B) - JRST FINIS - -GTEVNT: ENTRY 1 - GETYP 0,(AB) - CAIE 0,TINTH - JRST WTYP1 - MOVE A,(AB) - MOVE B,1(AB) - POPJ P, - -DO.SPC: HRRZ C,INTBL(C) ; POINT TO SPECIAL CODE - HLRZ 0,AB ; - TWO TIMES NUM ARGS - PUSHJ P,(C) ; CALL ROUTINE - JUMPE E,CPOPJ ; NO BITS TO ENABLE, LEAVE -IFE ITS,[ - PUSH TP,A - PUSH TP,B - MOVE B,1(TB) ; CHANNEL - MOVE 0,CHANNO(B) - MOVEM 0,(E) ; SAVE IN TABLE - MOVEI E,(E) - SUBI E,NETJFN-NETCHN - MOVE A,0 ; SETUP FOR MTOPR - MOVEI B,24 - MOVSI C,(E) - TLO C,770000 ; DONT SETUP INR/INS - MTOPR - MOVEI 0,1 - MOVNS E - LSH 0,35.(E) - IORM 0,MASK1 - MOVE B,MASK1 - MOVEI A,MFORK - AIC - - POP TP,B - POP TP,A - POPJ P, ; ***** TEMP ****** -] -IFN ITS,[ - CAILE E,35. ; SKIP IF 1ST WORD BIT - JRST SETW2 - LSH 0,-1(E) - - IORM 0,MASK1 ; STORE IN PROTOTYPE MASK - .SUSET [.SMASK,,MASK1] - POPJ P, - -SETW2: LSH 0,-36.(E) - IORM 0,MASK2 ; SET UP PROTO MASK2 - .SUSET [.SMSK2,,MASK2] - POPJ P, -] - -; ROUTINE TO CHECK FOR CHANNEL OR LOCATIVE - -CHNORL: GETYP A,(B) ; GET TYPE - CAIN A,TCHAN ; IF CHANNEL - JRST CHNWIN - PUSH P,0 - PUSHJ P,LOCQ ; ELSE LOOCATIVE - JRST WRONGT - POP P,0 -CHNWIN: PUSH TP,(B) - PUSH TP,1(B) - POPJ P, - -; SUBROUTINE TO FIND A HANDLER OF A GIVEN NAME - -FNDINT: PUSHJ P,FNDNM - JUMPE B,CPOPJ - PUSHJ P,SPEC1 ; COULD BE FUNNY - -INTASO: PUSH P,C ; C<0 IF SPECIAL - PUSH TP,A - PUSH TP,B - MOVSI C,TATOM - SKIPN D ; COULD BE CHANGED FOR MONITOR - MOVE D,MQUOTE INTERRUPT - PUSH TP,C - PUSH TP,D - PUSHJ P,IGET - MOVE D,(TP) - SUB TP,[2,,2] - POP P,C ; AND RESTOR SPECIAL INDICATOR - SKIPE B ; IF FOUND - SUB TP,[2,,2] ; REMOVE CRUFT -CPOPJ: POPJ P, ; AND RETURN - -; CHECK FOR SPECIAL INTERNAL INTERRUPT HACK - -SPEC1: MOVSI C,-SPECLN ; BUILD AOBJN PNTR -SPCLOP: CAME B,@SPECIN(C) ; SKIP IF SPECIAL - AOBJN C,.-1 ; UNTIL EXHAUSTED - JUMPGE C,.+3 - SKIPE E,FNDTBL(C) - JRST (E) - MOVEI 0,-1(TB) ; SEE IF OK - CAIE 0,(TP) - JRST TMA - POPJ P, - -; ROUTINE TO CREATE A NEW INTERRUPT (INTERNAL ONLY--NOT ITS FLAVOR) - -MAKINT: JUMPN C,GOTATM ; ALREADY HAVE NAME, GET THING - MOVEI B,(AB) ; POINT TO STRING - PUSHJ P,CSTAK ; CHARS TO STAKC - MOVE B,INTOBL+1(TVP) - PUSHJ P,INSRTX - MOVE D,MQUOTE INTERRUPT -GOTATM: PUSH TP,$TINTH ; MAKE SLOT FOR HEADER BLOCK - PUSH TP,[0] - PUSH TP,A - PUSH TP,B ; SAVE ATOM - PUSH TP,$TATOM - PUSH TP,D - MOVEI A,IHDRLN*2 - PUSHJ P,GIBLOK - MOVE A,-3(TP) ; GET NAME AND STORE SAME - MOVEM A,INAME(B) - MOVE A,-2(TP) - MOVEM A,INAME+1(B) - SETZM ISTATE+1(B) - MOVEM B,-4(TP) ; STASH HEADER - POP TP,D - POP TP,C - EXCH B,(TP) - MOVSI A,TINTH - EXCH A,-1(TP) ; INTERNAL PUT CALL - PUSHJ P,IPUT - POP TP,B - POP TP,A - POPJ P, - -; FIND NAME OF INTERRUPT - -FNDNM: GETYP A,(B) ; TYPE - CAIE A,TCHSTR ; IF STRING - JRST FNDATM ; DONT HAVE ATOM, OTHERWISE DO - PUSHJ P,IILOOK - JRST .+2 -FNDATM: MOVE B,1(B) - SETZB C,D ; PREVENT LOSSAGE LATER - MOVSI A,TATOM - -; THE NEXT 2 INSTRUCTIONS ARE A KLUDGE TO GET THE RIGHT ERROR ATOM - - CAMN B,IMQUOTE ERROR - MOVE B,MQUOTE ERROR,ERROR,INTRUP - POPJ P, - -IILOOK: PUSHJ P,CSTAK ; PUT CHRS ON STACK - MOVE B,INTOBL+1(TVP) - JRST ILOOKC ; LOOK IT UP - -; ROUTINE TO MAKE A HANDLER BLOCK - -MHAND: MOVEI A,IHANDL*2 - JRST GIBLOK ; GET BLOCK - -; HERE TO GET CHANNEL FOR "CHAR" INTERRUPT - -GETCHN: GETYP 0,(TB) ; GET TYPE - CAIE 0,TCHAN ; CHANNL IS WINNER - JRST WRONGT - MOVE A,(TB) ; USE THE CHANNEL TO NAME THE INTERRUPT - MOVE B,1(TB) - SKIPN CHANNO(B) ; SKIP IF WINNING CHANNEL - JRST CBDCHN ; LOSER - POPJ P, - -LOCGET: GETYP 0,(TB) ; TYPE - CAIN 0,TCHAN ; SKIP IF LOCATIVE - JRST WRONGT - MOVE D,B - MOVE A,(TB) - MOVE B,1(TB) ; GET LOCATIVE - POPJ P, - -; FINAL MONITOR SETUP ROUTINES - -S.RMON: SKIPA E,[.RDMON,,] -S.WMON: MOVSI E,.WRMON - PUSH TP,A - PUSH TP,B - HLRM E,INTPRI(B) ; SAVE BITS - MOVEI B,(TB) ; POINT TO LOCATIVE - HRRZ A,FSAV(TB) - CAIN A,OFF - MOVSI D,(ANDCAM E,) ; KILL INST - CAIN A,EVENT - MOVSI D,(IORM E,) - PUSHJ P,SMON ; GO DO IT - POP TP,B - POP TP,A - MOVEI E,0 - POPJ P, - - -; SPECIAL SETUP ROUTINES FOR INITIAL INTERRUPTS - -IFN ITS,[ -S.CHAR: MOVE E,1(TB) ; GET CHANNEL - MOVE E,CHANNO(E) - ADDI E,36. ; GET CORRECT MASK BIT -ONEBIT: MOVEI 0,1 ; BIT FOR INT TO RET - POPJ P, -] -IFE ITS,[ -S.CHAR: MOVE E,1(TB) - MOVE 0,RDEVIC(E) - ILDB 0,0 ; 1ST CHAR - PUSH P,A - CAIE 0,"N ; NET ? - JRST S.CHA1 - - MOVEI A,0 - HRRZ 0,CHANNO(E) - MOVE E,[-NNETS,,NETJFN] - CAMN 0,(E) - JRST S.CHA2 - SKIPN (E) - MOVE A,E ; REMEMBER WHERE - AOBJN E,.-5 - TLNN A,-1 - FATAL NO MORE NETWORK - MOVE E,A -S.CHA1: MOVEI E,0 -S.CHA2: POP P,A - POPJ P, -] - - -; SPECIAL FOR CLOCK - -S.DOWN: SKIPA E,[7] -S.CLOK: MOVEI E,13. ; FOR NOW JUST GET BIT # - JRST ONEBIT - -S.PAR: MOVEI E,28. - JRST ONEBIT - -; RUNTIME AND REALTIME INTERRUPTS - -S.RUNT: SKIPA E,[34.] -S.REAL: MOVEI E,35. - JRST ONEBIT - -S.IOC: SKIPA E,[9.] ; IO CHANNEL ERROR -S.PURE: MOVEI E,26. - JRST ONEBIT - -; MPV AND ILOPR - -S.MPV: SKIPA E,[14.] ; BIT POS -S.ILOP: MOVEI E,6 - JRST ONEBIT - -; HERE TO TURN ALL INFERIOR INTS - -S.INF: MOVEI E,36.+16.+2 ; START OF BITS - MOVEI 0,37 ; 8 BITS WORTH - POPJ P, - - -; HERE TO HANDLE ITS INTERRUPTS - -FHAND: SKIPN D,EXTINT(B) ; SKIP IF HANDLERS ARE POSSIBLE - JRST DIRQ - JRST (D) - -IFN ITS,[ -; SPECIAL CHARACTER HANDLERS - -HCHAR: MOVEI D,CHNL0+1(TVP) - ADDI D,(B) ; POINT TO CHANNEL SLOT - ADDI D,(B) - SKIPN D,-72.(D) ; PICK UP CHANNEL - JRST IPCGOT ;WELL, IT GOTTA BEE THE THE IPC THEN - PUSH TP,$TCHAN - PUSH TP,D - LDB 0,[600,,STATUS(D)] ; GET DEVICE CODE - CAILE 0,2 ; SKIP IF A TTY - JRST HNET ; MAYBE NETWORK CHANNEL - CAMN D,TTICHN+1(TVP) - SKIPN NOTTY - JRST HCHR11 - MOVE B,D ; CHAN TO B - PUSHJ P,TTYOP2 ; RE-GOBBLE TTY - MOVE D,(TP) -HCHR11: MOVE D,CHANNO(D) ; GET ITS CHANNEL - PUSH P,D ; AND SAVE IT - .CALL HOWMNY ; GET # OF CHARS - MOVEI B,0 ; IF TTY GONE, NO CHARS -RECHR: ADDI B,1 ; BUMP BY ONE FOR SOSG - MOVEM B,CHNCNT(D) ; AND SAVE - IORM A,PIRQ2 ; LEAVE THE INT ON - -CHRLOO: MOVE D,(P) ; GET CHNNAEL NO. - SOSG CHNCNT(D) ; GET COUNT - JRST CHRDON - - MOVE B,(TP) - MOVE D,BUFRIN(B) ; GET EXTRA BUFFER - XCT IOIN2(D) ; READ CHAR - PUSH TP,$TCHSTR - PUSH TP,CHQUOTE CHAR - PUSH TP,$TCHRS ; SAVE CHAR FOR CALL - PUSH TP,A - PUSH TP,$TCHAN ; SAVE CHANNEL - PUSH TP,B - PUSHJ P,INCHAR ; PUT CHAR IN USERS BUFFER - MCALL 3,INTERRUPT ; RUN THE HANDLERS - JRST CHRLOO ; AND LOOP - -CHRDON: .CALL HOWMNY - MOVEI B,0 - MOVEI A,1 ; SET FOR PI WORD CLOBBER - LSH A,(D) - JUMPG B,RECHR ; ANY MORE? - ANDCAM A,PIRQ2 - SUB P,[1,,1] - SUB TP,[2,,2] - JRST DIRQ - - - -; HERE FOR NET CHANNEL INTERRUPT - -HNET: CAIE 0,26 ; NETWORK? - JRST HSTYET ; HANDLE PSEUDO TTY ETC. - PUSH TP,$TATOM - PUSH TP,MQUOTE CHAR,CHAR,INTRUP - PUSH TP,$TUVEC - PUSH TP,BUFRIN(D) - PUSH TP,$TCHAN - PUSH TP,D - MOVE B,D ; CHAN TO B - PUSHJ P,INSTAT ; UPDATE THE NETWRK STATE - MCALL 3,INTERRUPT - SUB TP,[2,,2] - JRST DIRQ - -HSTYET: PUSH TP,$TATOM - PUSH TP,MQUOTE CHAR,CHAR,INTRUP - PUSH TP,$TCHAN - PUSH TP,D - MCALL 2,INTERRUPT - SUB TP,[2,,2] - JRST DIRQ - -] -CBDCHN: PUSH TP,$TATOM - PUSH TP,EQUOTE BAD-CHANNEL - JRST CALER1 - -IFN ITS,[ - -HCLOCK: PUSH TP,$TCHSTR - PUSH TP,CHQUOTE CLOCK - MCALL 1,INTERRUPT - JRST DIRQ - -HRUNT: PUSH TP,$TATOM - PUSH TP,MQUOTE RUNT,RUNT,INTRUP - MCALL 1,INTERRUPT - JRST DIRQ - -HREAL: PUSH TP,$TATOM - PUSH TP,MQUOTE REALT,REALT,INTRUP - MCALL 1,INTERRUPT - JRST DIRQ - -HPAR: MOVE A,MQUOTE PARITY,PARITY,INTRUP - JRST HMPV1 - -HMPV: MOVE A,MQUOTE MPV,MPV,INTRUP - JRST HMPV1 - -HILOPR: MOVE A,MQUOTE ILOPR,ILOPR,INTRUP - JRST HMPV1 - -HPURE: MOVE A,MQUOTE PURE,PURE,INTRUP -HMPV1: PUSH TP,$TATOM - PUSH TP,A - PUSH P,LCKINT ; SAVE LOCN - PUSH TP,$TATOM - PUSH TP,A - PUSH TP,$TWORD - PUSH TP,LCKINT - MCALL 2,EMERGENCY - POP P,A - MOVE C,(TP) - SUB TP,[2,,2] - JUMPN B,DIRQ - - PUSH TP,$TATOM - PUSH TP,EQUOTE DANGEROUS-INTERRUPT-NOT-HANDLED - PUSH TP,$TATOM - PUSH TP,C - PUSH TP,$TWORD - PUSH TP,A - MCALL 3,ERROR - JRST DIRQ - - - -; HERE TO HANDLE SYS DOWN INTERRUPT - -HDOWN: PUSH TP,$TATOM - PUSH TP,MQUOTE SYSDOWN,SYSDOWN,INTRUP - .DIETI A, ; HOW LONG? - PUSH TP,$TFIX - PUSH TP,A - PUSH P,A ; FOR MESSAGE - MCALL 2,INTERRUPT - POP P,A - JUMPN B,DIRQ - .SUSET [.RTTY,,B] ; DO WE NOW HAVE A TTY AT ALL? - JUMPL B,DIRQ ; DONT HANG AROUND - PUSH P,A - MOVEI B,[ASCIZ / -Excuse me, SYSTEM going down in /] - SKIPG (P) ; SKIP IF REALLY GOING DOWN - MOVEI B,[ASCIZ / -Excuse me, SYSTEM has been REVIVED! -/] - PUSHJ P,MSGTYP - POP P,B - JUMPE B,DIRQ - IDIVI B,30. ; TO SECONDS - IDIVI B,60. ; A/ SECONDS B/ MINUTES - JUMPE B,NOMIN - PUSH P,C - PUSHJ P,DECOUT - MOVEI B,[ASCIZ / minutes /] - PUSHJ P,MSGTYP - POP P,B - JRST .+2 -NOMIN: MOVEI B,(C) - PUSHJ P,DECOUT - MOVEI B,[ASCIZ / seconds. -/] - PUSHJ P,MSGTYP - JRST DIRQ - -; TWO DIGIT DEC OUT FROM B/ - -DECOUT: IDIVI B,10. - JUMPE B,DECOU1 ; NO TEN - MOVEI A,60(B) - PUSHJ P,MTYO -DECOU1: MOVEI A,60(C) - JRST MTYO - -; HERE TO HANDLE I/O CHANNEL ERRORS - -HIOC: .SUSET [.RAPRC,,A] ; CONTAINS CHANNEL OF MOST RECENT LOSSAGE - LDB A,[330400,,A] ; GET CHAN # - MOVEI C,(A) ; COPY - PUSH TP,$TATOM ; PUSH ERROR - PUSH TP,EQUOTE FILE-SYSTEM-ERROR - - PUSH TP,$TCHAN - ASH C,1 ; GET CHANNEL - ADDI C,CHNL0+1(TVP) ; GET CHANNEL VECTOR - PUSH TP,(C) - LSH A,23. ; DO A .STATUS - IOR A,[.STATUS A] - XCT A - PUSHJ P,GFALS ; GEN NAMED FALSE - PUSH TP,A - PUSH TP,B - PUSH TP,$TATOM - PUSH TP,MQUOTE IOC,IOC,INTRUP - - PUSH TP,A - PUSH TP,B - PUSH TP,-7(TP) - PUSH TP,-7(TP) - MCALL 3,EMERGENCY - JUMPN B,DIRQ1 ; JUMP IF HANDLED - MCALL 3,ERROR - JRST DIRQ - -DIRQ1: SUB TP,[6,,6] - JRST DIRQ - -; HANDLE INFERIOR KNOCKING AT THE DOOR - -HINF: SUBI B,36.+16.+2 ; CONVERT TO INF # - PUSH TP,$TATOM - PUSH TP,MQUOTE INFERIOR,INFERIOR,INTRUP - PUSH TP,$TFIX - PUSH TP,B - MCALL 2,INTERRUPT - JRST DIRQ -] -IFE ITS,[ - -; HERE FOR TENEX INTS (FIRST CUT) - -HCNTLG: MOVEI A,7 - JRST HCNGS - -HCNTLS: MOVEI A,23 - -HCNGS: PUSH TP,$TATOM - PUSH TP,MQUOTE CHAR,CHAR,INTRUP - PUSH TP,$TCHRS - PUSH TP,A - PUSH TP,$TCHAN - PUSH TP,TTICHN+1(TVP) - MCALL 3,INTERRUPT - JRST DIRQ - -HNET: MOVE A,NETJFN-NINT+NNETS(B) - JUMPE A,DIRQ - ASH A,1 - ADDI A,CHNL0+1(TVP) - MOVE B,(A) - PUSH TP,$TATOM - PUSH TP,MQUOTE CHAR,CHAR,INTRUP - PUSH TP,$TUVEC - PUSH TP,BUFRIN(B) - PUSH TP,$TCHAN - PUSH TP,B - PUSHJ P,INSTAT - MCALL 3,INTERRUPT - JRST DIRQ -] - - -MFUNCTION OFF,SUBR - ENTRY - - JUMPGE AB,TFA - HLRZ 0,AB - GETYP A,(AB) ; ARG TYPE - MOVE B,1(AB) ; AND VALUE - CAIN A,TINTH ; HEADER, GO HACK - JRST OFFHD ; QUEEN OF HEARTS - CAIN A,TATOM - JRST .+3 - CAIE A,TCHSTR - JRST TRYHAN ; MAYBE INDIVIDUAL HANDLER - CAIN 0,-2 ; MORE THAN 1 ARG? - JRST OFFAC1 ; NO, GO ON - CAIG 0,-5 ; CANT BE MORE THAN 2 - JRST TMA - MOVEI B,2(AB) ; POINT TO 2D - PUSHJ P,CHNORL -OFFAC1: MOVEI B,(AB) - PUSHJ P,FNDINT - JUMPGE B,NOHAN1 ; NOT HANDLED - -OFFH1: PUSH P,C ; SAVE C FOR BIT CLOBBER - MOVSI C,TATOM - SKIPN D - MOVE D,MQUOTE INTERRUPT - MOVE A,INAME(B) - MOVE B,INAME+1(B) - PUSHJ P,IREMAS - SKIPE B ; IF NO ASSOC, DONT SMASH - SETOM ISTATE+1(B) ; DISABLE IN CASE QUEUED - POP P,C ; SPECIAL? - JUMPGE C,FINIS ; NO, DONE - - HRRZ C,INTBL(C) ; POINT TO SPECIAL CODE - PUSHJ P,(C) ; GO TO SAME - JUMPE E,OFINIS ; DONE -IFN ITS,[ - CAILE E,35. ; SKIP IF 1ST WORD - JRST CLRW2 ; CLOBBER 2D WORD BIT - LSH 0,-1(E) ; POSITION BIT - ANDCAM 0,MASK1 ; KILL BIT - .SUSET [.SMASK,,MASK1] -] -IFE ITS,[ - MOVE D,B - SETZM (E) - MOVEI E,(E) - SUBI E,NETJFN-NETCHN - MOVEI 0,1 - MOVNS E - LSH 0,35.(E) - ANDCAM 0,MASK1 - MOVEI A,MFORK - SETCM B,MASK1 - DIC - ANDCAM 0,PIRQ ; JUST IN CASE - MOVE B,D -] -OFINIS: MOVSI A,TINTH - JRST FINIS - -IFN ITS,[ -CLRW2: LSH 0,-36.(E) ; POS BIT FOR 2D WORD - ANDCAM 0,MASK2 - .SUSET [.SMSK2,,MASK2] - JRST OFINIS -] - -TRYHAN: CAIE A,THAND ; HANDLER? - JRST WTYP1 - CAIE 0,-2 - JRST TMA - GETYP 0,IPREV(B) ; GET TYPE OF PREV - MOVE A,INXT+1(B) - MOVE C,IPREV+1(B) - MOVE D,IPREV(B) - CAIE 0,THAND - JRST DOHEAD ; PREV HUST BE HDR - MOVEM A,INXT+1(C) - JRST .+2 -DOHEAD: MOVEM A,IHNDLR+1(C) ; INTO HDR - JUMPE A,OFFINI - MOVEM D,IPREV(A) - MOVEM C,IPREV+1(A) -OFFINI: SETZM IPREV+1(B) - SETZM INXT+1(B) - MOVSI A,THAND - JRST FINIS - -OFFHD: CAIE 0,-2 - JRST TMA - PUSHJ P,GETNMS ; GET INFOR ABOUT INT - JUMPE C,OFFH1 - PUSH TP,INAME(B) - PUSH TP,INAME+1(B) - JRST OFFH1 - -GETNMS: GETYP A,INAME(B) ; CHECK FOR SPECIAL - SETZB C,D - CAIN A,TCHAN - HRROI C,SS.CHA - PUSHJ P,LOCQ ; LOCATIVE? - JRST CHGTNM - - MOVEI B,INAME(B) ; POINT TO LOCATIVE - MOVSI D,(MOVE E,) - PUSHJ P,SMON ; GET MONITOR - MOVE B,1(AB) -GETNM1: HRROI C,SS.WMO ; ASSUME WRITE - TLNN E,.WRMON - HRROI C,SS.RMO - MOVE D,MQUOTE WRITE,WRITE,INTRUP - TLNN E,.WRMON - MOVE D,MQUOTE READ,READ,INTRUP - POPJ P, - -CHGTNM: JUMPL C,CPOPJ - MOVE B,INAME+1(B) - PUSHJ P,SPEC1 - MOVE B,1(AB) ; RESTORE IHEADER - POPJ P, - -; EMERGENCY, CANT DEFER ME!! - -MQUOTE INTERRUPT - -EMERGENCY: - PUSH P,. - JRST INTERR+1 - -MFUNCTION INTERRUPT,SUBR - - PUSH P,[0] - - ENTRY - - SETZM INTHLD ; RE-ENABLE THE WORLD - JUMPGE AB,TFA - MOVE B,1(AB) ; GET HANDLER/NAME - GETYP A,(AB) ; CAN BE HEADER OR NAME - CAIN A,TINTH ; SKIP IF NOT HEADER - JRST GTHEAD - CAIN A,TATOM - JRST .+3 - CAIE A,TCHSTR ; SKIP IF CHAR STRING - JRST WTYP1 - MOVEI B,(AB) ; LOOK UP NAME - PUSHJ P,FNDNM ; GET NAME - JUMPE B,IFALSE - MOVEI D,0 - CAMN B,MQUOTE CHAR,CHAR,INTRUP - PUSHJ P,CHNGT1 - CAME B,MQUOTE READ,READ,INTRUP - CAMN B,MQUOTE WRITE,WRITE,INTRUP - PUSHJ P,GTLOC1 - PUSHJ P,INTASO - JUMPE B,IFALSE - -GTHEAD: SKIPE ISTATE+1(B) ; ENABLED? - JRST IFALSE ; IGNORE COMPLETELY - MOVE A,INTPRI+1(B) ; GET PRIORITY OF INTERRUPT - CAMLE A,CURPRI ; SEE IF MUST QUEU - JRST SETPRI ; MAY RUN NOW - SKIPE (P) ; SKIP IF DEFER OK - JRST DEFERR - MOVEM A,(P) - PUSH TP,$TINTH ; SAVE HEADER - PUSH TP,B - MOVEI A,1 ; SAVE OTHER ARGS -PSHARG: ADD AB,[2,,2] - JUMPGE AB,QUEU1 ; GO MAKE QUEU ENTRY - PUSH TP,(AB) - PUSH TP,1(AB) - AOJA A,PSHARG -QUEU1: PUSHJ P,IEVECT ; GET VECTOR - PUSH TP,$TVEC - PUSH TP,[0] ; WILL HOLD QUEUE HEADER - PUSH TP,A - PUSH TP,B - - POP P,A ; RESTORE PRIORITY - - MOVE B,QUEUES+1(TVP) ; GET INTERRUPT QUEUES - MOVEI D,0 - JUMPGE B,GQUEU ; MAKE A QUEUE HDR - -NXTQU: CAMN A,1(B) ; GOT PRIORITY? - JRST ADDQU ; YES, ADD TO THE QUEU - CAMG A,1(B) ; SKIP IF SPOT NOT FOUND - JRST GQUEU - MOVE D,B - MOVE B,3(B) ; GO TO NXT QUEUE - JUMPL B,NXTQU - -GQUEU: PUSH TP,$TVEC ; SAVE NEXT POINTER - PUSH TP,D - PUSH TP,$TFIX - PUSH TP,A ; SAVE PRIORITY - PUSH TP,$TVEC - PUSH TP,B - PUSH TP,$TLIST - PUSH TP,[0] - PUSH TP,$TLIST - PUSH TP,[0] - MOVEI A,4 - PUSHJ P,IEVECT - MOVE D,(TP) ; NOW SPLICE - SUB TP,[2,,2] - JUMPN D,GQUEU1 - MOVEM B,QUEUES+1(TVP) - JRST .+2 -GQUEU1: MOVEM B,3(D) - -ADDQU: MOVEM B,-2(TP) ; SAVE QUEU HDR - POP TP,D - POP TP,C - PUSHJ P,INCONS ; CONS IT - MOVE C,(TP) ;GET QUEUE HEADER - SKIPE D,7(C) ; IF END EXISTS - HRRM B,(D) ; SPLICE - MOVEM B,7(C) - SKIPN 5(C) ; SKIP IF START EXISTS - MOVEM B,5(C) - -IFINI: MOVSI A,TATOM - MOVE B,MQUOTE T - JRST FINIS - -SETPRI: EXCH A,CURPRI - MOVEM A,(P) - - PUSH TP,$TAB ; PASS AB TO HANDLERS - PUSH TP,AB - - PUSHJ P,RUNINT ; RUN THE HANDLERS - POP P,A ; UNQUEU ANY WAITERS - PUSHJ P,UNQUEU - - JRST IFINI - -; HERE TO UNQUEUE WAITING INTERRUPTS - -UNQUEU: PUSH P,A ; SAVE NEW LEVEL - -UNQUE1: MOVE A,(P) ; TARGET LEVEL - CAMLE A,CURPRI ; CHECK RUG NOT PULLED OUT - JRST UNDONE - SKIPE B,QUEUES+1(TVP) - CAML A,1(B) ; RIGHT LEVEL? - JRST UNDONE ; FINISHED - - SKIPN C,5(B) ; ON QUEUEU? - JRST UNXQ - HRRZ D,(C) ; CDR THE LIST - MOVEM D,5(B) - SKIPN D ; SKIP IF NOT LAST - SETZM 7(B) ; CLOBBER END POINTER - MOVE A,1(B) ; GET THIS PRIORITY LEVEL - MOVEM A,CURPRI ; MAKE IT THE CURRENT ONE - MOVE D,1(C) ; GET SAVED VECTOR OF INF - - MOVE B,1(D) ; INT HEADER - PUSH TP,$TVEC - PUSH TP,D ; AND ARGS - - PUSHJ P,RUNINT ; RUN THEM - JRST UNQUE1 - -UNDONE: POP P,CURPRI ; SET CURRENT LEVEL - MOVE A,CURPRI - POPJ P, - -UNXQ: MOVE B,3(B) ; GO TO NEXT QUEUE - MOVEM B,QUEUES+1(TVP) - JRST UNQUE1 - - - -; SUBR TO CHANGE INTERRUPT LEVEL - -MFUNCTION INTLEV,SUBR,[INT-LEVEL] - ENTRY - JUMPGE AB,RETLEV ; JUST RETURN CURRENT - GETYP A,(AB) - CAIE A,TFIX - JRST WTYP1 ; LEVEL IS FIXED - SKIPGE A,1(AB) - JRST OUTRNG" - CAMN A,CURPRI ; DIFFERENT? - JRST RETLEV ; NO RETURN - PUSH P,CURPRI - CAMG A,CURPRI ; SKIP IF NO UNQUEUE NEEDED - PUSHJ P,UNQUEU - MOVEM A,CURPRI ; SAVE - POP P,A - SKIPA B,A -RETLEV: MOVE B,CURPRI - MOVSI A,TFIX - JRST FINIS - -RUNINT: PUSH TP,$THAND ; SAVE HANDLERS LIST - PUSH TP,IHNDLR+1(B) - - SKIPN ISTATE+1(B) ; SKIP IF DISABLED - SKIPN B,(TP) - JRST SUBTP4 -NXHND: MOVEM B,(TP) ; SAVE CURRENT HDR - MOVE A,-2(TP) ; SAVE ARG POINTER - PUSHJ P,CHSWAP ; SEE IF MUST SWAP - PUSH TP,[0] - PUSH TP,[0] - MOVEI C,1 ; COUNT ARGS - PUSH TP,$TSP - PUSH TP,SP - MOVE D,PVP - ADD D,[1STEPR,,1STEPR] - PUSH TP,BNDV - PUSH TP,D - PUSH TP,$TPVP - PUSH TP,[0] - MOVE E,TP - PUSH TP,INTFCN(B) - PUSH TP,INTFCN+1(B) - ADD A,[2,,2] - JUMPGE A,DO.HND - PUSH TP,(A) - PUSH TP,1(A) - AOJA C,.-4 -DO.HND: PUSH P,C - PUSHJ P,SPECBE ; BIND 1 STEP FLAG - POP P,C - ACALL C,INTAPL - MOVE SP,-4(TP) - MOVE C,(TP) ; RESET 1 STEP - MOVEM C,1STEPR+1(PVP) - SUB TP,[6,,6] - PUSHJ P,CHUNSW - CAMN E,PVP - SUB TP,[4,,4] ; NO PROCESS CHANGE, POP JUNK - CAMN E,PVP - JRST .+4 - MOVE D,TPSTO+1(E) - SUB D,[4,,4] - MOVEM D,TPSTO+1(E) ; FIXUP HIS STACK -DO.H1: GETYP A,A ; CHECK FOR A DISMISS - CAIN A,TDISMI - JRST SUBTP4 - MOVE B,(TP) ; TRY FOR NEXT HANDLER - SKIPE B,INXT+1(B) - JRST NXHND -SUBTP4: SUB TP,[4,,4] - POPJ P, - -MFUNCTION INTAPL,SUBR,[RUNINT] - JRST APPLY - - -NOHAND: JUMPE C,NOHAN1 - PUSH TP,$TATOM - PUSH TP,EQUOTE INTERNAL-INTERRUPT -NOHAN1: PUSH TP,(AB) - PUSH TP,1(AB) - PUSH TP,$TATOM - PUSH TP,EQUOTE NOT-HANDLED - SKIPE A,C - MOVEI A,1 - ADDI A,2 - JRST CALER - -DEFERR: PUSH TP,$TATOM - PUSH TP,EQUOTE ATTEMPT-TO-DEFER-UNDEFERABLE-INTERRUPT - PUSH TP,$TINTH - PUSH TP,B - PUSH TP,$TATOM - PUSH TP,MQUOTE INTERRUPT - MCALL 3,RERR ; FORCE REAL ERROR - JRST FINIS - -; FUNCTION TO DISMISS AN INTERRUPT TO AN ARBITRARY ACTIVATION - -MFUNCTION DISMISS,SUBR - - HLRZ 0,AB - JUMPGE AB,TFA - CAIGE 0,-6 - JRST TMA - MOVNI D,1 - CAIE 0,-6 - JRST DISMI3 - GETYP 0,4(AB) - CAIE 0,TFIX - JRST WTYP - SKIPGE D,5(AB) - JRST OUTRNG - -DISMI3: MOVEI A,(TB) - -DISMI0: HRRZ B,FSAV(A) - HRRZ C,PCSAV(A) - CAIE B,INTAPL - JRST DISMI1 - - MOVE E,OTBSAV(A) - MOVEI 0,(A) ; SAVE FRAME - MOVEI A,DISMI2 - HRRM A,PCSAV(E) ; GET IT BACK HERE - MOVE A,(AB) - MOVE B,1(AB) - MOVE C,TPSAV(E) - MOVEM A,-7(C) - MOVEM B,-6(C) - MOVEI C,0 - CAMGE AB,[-3,,] - MOVEI C,2(AB) - MOVE B,0 ; DEST FRAME - JUMPL D,.+3 - MOVE A,PSAV(E) ; NOW MUNG SAVED INT LEVEL - MOVEM D,-1(A) ; ZAP YOUR MUNGED - PUSHJ P,CHUNW ; CHECK ON UNWINDERS - JRST FINIS ; FALL DOWN - -DISMI1: MOVEI E,(A) - HRRZ A,OTBSAV(A) - JUMPN A,DISMI0 - - MOVE A,(AB) - MOVE B,1(AB) - - PUSH TP,A - PUSH TP,B - SKIPGE A,D - JRST .+4 - CAMG A,CURPRI - PUSHJ P,UNQUEU - MOVEM A,CURPRI - CAML AB,[-3,,] - JRST .+5 - PUSH TP,2(AB) - PUSH TP,3(AB) - MCALL 2,ERRET - JRST FINIS - - POP TP,B - POP TP,A - JRST FINIS - -DISMI2: MOVE C,(TP) - MOVEM C,1STEPR+1(PVP) - MOVE SP,-4(TP) - SUB TP,[6,,6] - PUSHJ P,CHUNSW ; UNDO ANY PROCESS HACKING - MOVE C,TP - CAME E,PVP ; SWAPED? - MOVE C,TPSTO+1(E) - MOVE D,-1(C) - MOVE 0,(C) - SUB TP,[4,,4] - SUB C,[4,,4] ; MAYBE FIXUP OTHER STACK - CAME E,PVP - MOVEM C,TPSTO+1(E) - PUSH TP,D - PUSH TP,0 - PUSH TP,A - PUSH TP,B - MOVE A,-1(P) ; SAVED PRIORITY - CAMG A,CURPRI - PUSHJ P,UNQUEU - MOVEM A,CURPRI - SKIPN -1(TP) - JRST .+3 - MCALL 2,ERRET - JRST FINIS - - SUB TP,[4,,4] - MOVSI A,TDISMI - MOVE B,MQUOTE T - JRST DO.H1 - -CHNGT1: HLRE B,AB - SUBM AB,B - GETYP 0,-2(B) - CAIE 0,TCHAN - JRST WTYP3 - MOVE B,-1(B) - MOVSI A,TCHAN - POPJ P, - -GTLOC1: GETYP A,2(AB) - PUSHJ P,LOCQ - JRST WTYP2 - MOVE D,B ; RET ATOM FOR ASSOC - MOVE A,2(AB) - MOVE B,3(AB) - POPJ P, - ; MONITOR CHECKERS - -MONCH0: HLLZ 0,(B) ; POTENTIAL MONITORS -MONCH: TLZ 0,TYPMSK ; KILL TYPE - IOR C,0 ; IN NEW TYPE - PUSH P,0 - MOVEI 0,(B) - CAIL 0,HIBOT - JRST PURERR - POP P,0 - TLNN 0,.WRMON ; SKIP IF WRITE MONIT - POPJ P, - -; MONITOR IS ON, INVOKE HANDLER - - PUSH TP,A ; SAVE OBJ - PUSH TP,B - PUSH TP,C - PUSH TP,D ; SAVE DATUM - MOVSI C,TATOM ; PREPARE TO FIND IT - MOVE D,MQUOTE WRITE,WRITE,INTRUP - PUSHJ P,IGET - JUMPE B,MONCH1 ; NOT FOUND IGNORE FOR NOW - PUSH TP,A ; START SETTING UP CALL - PUSH TP,B - PUSH TP,-5(TP) - PUSH TP,-5(TP) - PUSH TP,-5(TP) - PUSH TP,-5(TP) - PUSHJ P,FRMSTK ; PUT FRAME ON STAKC - MCALL 4,EMERGE ; DO IT -MONCH1: POP TP,D - POP TP,C - POP TP,B - POP TP,A - HLLZ 0,(B) ; UPDATE MONITORS - TLZ 0,TYPMSK - IOR C,0 - POPJ P, - -; NOW FOR READ MONITORS - -RMONC0: HLLZ 0,(B) -RMONCH: TLNN 0,.RDMON - POPJ P, - PUSH TP,A - PUSH TP,B - MOVSI C,TATOM - MOVE D,MQUOTE READ,READ,INTRUP - PUSHJ P,IGET - JUMPE B,RMONC1 - PUSH TP,A - PUSH TP,B - PUSH TP,-3(TP) - PUSH TP,-3(TP) - PUSHJ P,FRMSTK ; PUT FRAME ON STACK - MCALL 3,EMERGE -RMONC1: POP TP,B - POP TP,A - POPJ P, - -; PUT THE CURRENT FRAME ON THE STACK - -FRMSTK: PUSHJ P,MAKACT - HRLI A,TFRAME - PUSH TP,A - PUSH TP,B - POPJ P, - -; HERE TO COMPLAIN ABOUT ATTEMPTS TO MUNG PURE CODE - -PURERR: PUSH TP,$TATOM - PUSH TP,EQUOTE ATTEMPT-TO-MUNG-PURE-STRUCTURE - PUSH TP,A - PUSH TP,B - MOVEI A,2 - JRST CALER - -; PROCESS SWAPPING CODE - -CHSWAP: MOVE E,PVP ; GET CURRENT - POP P,0 - SKIPE D,INTPRO+1(B) ; SKIP IF NO PROCESS GIVEN - CAMN D,PVP ; SKIP IF DIFFERENT - JRST PSHPRO - - PUSHJ P,SWAPIT ; DO SWAP - -PSHPRO: PUSH TP,$TPVP - PUSH TP,E - JRST @0 - -CHUNSW: MOVE E,PVP ; RET OLD PROC - MOVE D,-2(TP) ; GET SAVED PROC - CAMN D,PVP ; SWAPPED? - POPJ P, - -SWAPIT: PUSH P,0 - MOVE 0,PSTAT+1(D) ; CHECK STATE - CAIE 0,RESMBL - JRST NOTRES - MOVEM 0,PSTAT+1(PVP) - MOVEI 0,RUNING - MOVEM 0,PSTAT+1(D) ; SAVE NEW STATE - POP P,0 - POP P,C - JRST SWAP" - - -;SUBROUTINE TO GET BIT FOR CLOBBERAGE - -GETBIT: MOVNS B ;NEGATE - MOVSI A,400000 ;GET THE BIT - LSH A,(B) ;SHIFT TO POSITION - POPJ P, ;AND RETURN - -;HERE TO HANDLE PDL OVERFLOW. ASK FOR A GC - -IPDLOV: -IFN ITS,[ - MOVEM A,TSINT ;SAVE INT WORD -] - - SKIPE GCFLG ;IS GC RUNNING? - JRST GCPLOV ;YES, COMPLAIN GROSSLY - - MOVEI A,200000 ;GET BIT TO CLOBBER - IORM A,PIRQ ;LEAVE A MESSAGE FOR HIGHER LEVEL - - EXCH P,GCPDL ;GET A WINNING PDL - HRRZ B,TSINTR ;GET POINTER TO LOSING INSTRUCTION - SKIPG GCPDL ; SKIP IF NOT P - LDB B,[270400,,-1(B)] ;GET AC FIELD - SKIPL GCPDL ; SKIP IF P - MOVEI B,P - MOVEI A,(B) ;COPY IT - LSH A,1 ;TIMES 2 - ADDI A,0STO(PVP) ;POINT TO THIS ACS CURRENT TYPE - HLRZ A,(A) ;GET THAT TYPE INTO A - CAIN B,P ;IS IT P - MOVEI B,GCPDL ;POINT TO SAVED P - - CAIN B,B ;OR IS IT B ITSELF - MOVEI B,TSAVB - CAIN B,A ;OR A - MOVEI B,TSAVA - - CAIN B,C ;OR C - MOVEI B,1(P) ;C WILL BE ON THE STACK - - PUSH P,C - PUSH P,A - - MOVE A,(B) ;GET THE LOSING POINTER - MOVEI C,(A) ;AND ISOLATE RH - - CAMG C,VECTOP ;CHECK IF IN GC SPACE - CAMG C,VECBOT - JRST NOGROW ;NO, COMPLAIN - -; FALL THROUGH - - - HLRZ C,A ;GET -LENGTH - SUBI A,-1(C) ;POINT TO A DOPE WORD - POP P,C ;RESTORE TYPE INTO C - PUSH P,D ; SAVE FOR GROWTH HACKER - MOVEI D,0 - CAIN C,TPDL ; POIN TD TO APPROPRIATE DOPE WORD - MOVEI D,PGROW - CAIN C,TTP - MOVEI D,TPGROW - JUMPE D,BADPDL ; IF D STILL 0, THIS PDL IS WEIRD - MOVEI A,PDLBUF(A) ; POINT TO ALLEGED REAL DOPE WORD - SKIPN (D) ; SKIP IF PREVIOUSLY BLOWN - MOVEM A,(D) ; CLOBBER IN - CAME A,(D) ; MAKE SURE IT IS THE SAME - JRST PDLOSS - POP P,D ; RESTORE D - - -PNTRHK: MOVE C,(B) ;RESTORE PDL POINTER - SUB C,[PDLBUF,,0] ;FUDGE THE POINTER - MOVEM C,(B) ;AND STORE IT - - POP P,C ;RESTORE THE WORLD - EXCH P,GCPDL ;GET BACK ORIG PDL -IFN ITS,[ - MOVE A,TSINT ;RESTORE INT WORD - - JRST IMPCH ;LOOK FOR MORE INTERRUPTS -] -IFE ITS, JRST GCQUIT - -TPOVFL: SETOM INTFLG ;SIMULATE PDL OVFL - PUSH P,A - MOVEI A,200000 ;TURN ON THE BIT - IORM A,PIRQ - SUB TP,[PDLBUF,,0] ;HACK STACK POINTER - HLRE A,TP ;FIND DOPEW - SUBM TP,A ;POINT TO DOPE WORD - MOVEI A,1(A) ; ZERO LH AND POINT TO DOPEWD - SKIPN TPGROW - HRRZM A,TPGROW - CAME A,TPGROW ; MAKE SURE WINNAGE - JRST PDLOSS - POP P,A - POPJ P, - - -; GROW CORE IF PDL OVERFLOW DURING GC - -GCPLOV: MOVE A,P.TOP ; GET TOP OF IMPURE - ASH A,-10. ; TO BLOCKS - EXCH P,GCPDL ; NEED A PDL TO CALL P.CORE - ADDI A,1 ; GO TO NEXT BLOCK -GRECOR: PUSHJ P,P.CORE ; GET CORE - JRST SLPCOR ; HANG GETTING THE CORE - EXCH P,GCPDL ; BPDLS BACK - ADD P,[-2000,,0] -IFE ITS, JRST GCQUIT -IFN ITS,[ - MOVE A,TSINT - JRST IMPCH - - -SLPCOR: MOVEI B,1 - .SLEEP B, - JRST GRECOR - -] - -IFN ITS,[ - -;HERE TO HANDLE LOW-LEVEL CHANNELS - - -CHNACT: SKIPN GCFLG ;GET A WINNING PDL - EXCH P,GCPDL - ANDI A,177777 ;ISOLATE CHANNEL BITS - PUSH P,0 ;SAVE - -CHNA1: MOVEI B,0 ;BIT COUNTER - JFFO A,.+2 ;COUNT - JRST CHNA2 - SUBI B,35. ;NOW HAVE CHANNEL - MOVMS B ;PLUS IT - MOVEI 0,1 - LSH 0,(B) - ANDCM A,0 - MOVEI 0,(B) ; COPY TO 0 - LSH 0,23. ;POSITION FOR A .STATUS - IOR 0,[.STATUS 0] - XCT 0 ;DO IT - ANDI 0,77 ;ISOLATE DEVICE - CAILE 0,2 - JRST CHNA1 - -PMIN4: MOVE 0,B ; CHAN TO 0 - .ITYIC 0, ; INTO 0 - JRST .+2 ; DONE, GO ON - JRST PMIN4 - SETZM GCFLCH ; LEAVE GC MODE - JRST CHNA1 - -CHNA2: POP P,0 - SKIPN GCFLG - EXCH P,GCPDL - JRST GCQUIT - -HOWMNY: SETZ - SIXBIT /LISTEN/ - D - 402000,,B -] - -MFUNCTION GASCII,SUBR,ASCII - ENTRY 1 - - GETYP A,(AB) - CAIE A,TCHRS - JRST TRYNUM - - MOVE B,1(AB) - MOVSI A,TFIX - JRST FINIS - -TRYNUM: CAIE A,TFIX - JRST WTYP1 - SKIPGE B,1(AB) ;GET NUMBER - JRST TOOBIG - CAILE B,177 ;CHECK RANGE - JRST TOOBIG - MOVSI A,TCHRS - JRST FINIS - -TOOBIG: PUSH TP,$TATOM - PUSH TP,EQUOTE ARGUMENT-OUT-OF-RANGE - JRST CALER1 - - -;HERE IF PDL OVERFLOW DURING GARBAGE COLLECTION - -BADPDL: FATAL NON PDL OVERFLOW - -NOGROW: FATAL PDL OVERFLOW ON NON EXPANDABLE PDL - -PDLOSS: FATAL PDL OVEFLOW BUFFER EXHAUSTED - -DLOSER: PUSH P,LOSRS(B) - MOVE A,TSAVA - MOVE B,TSAVB - POPJ P, - -LOSRS: IMPV - ILOPR - IOC - IPURE - - -;MEMORY PROTECTION INTERRUPT - -IOC: FATAL IO CHANNEL ERROR IN GARBAGE COLLECTOR -IMPV: FATAL MPV IN GARBAGE COLLECTOR - -IPURE: FATAL PURE WRITE IN GARBAGE COLLECTOR -ILOPR: FATAL ILLEGAL OPEREATION IN GARBAGE COLLECTOR - -IFN ITS,[ - -;SUBROUTINE TO BE CALLED AT INITIALIZE TIME TO SETUP INTS - -INTINT: SETZM CHNCNT - MOVE A,[CHNCNT,,CHNCNT+1] - BLT A,CHNCNT+16. - SETZM INTFLG - .SUSET [.SPICLR,,[-1]] - MOVE A,MASK1 ;SET MASKS - MOVE B,MASK2 - .SETM2 A, ;SET BOTH MASKS - MOVSI A,TVEC - MOVEM A,QUEUES(TVP) - SETZM QUEUES+1(TVP) ;UNQUEUE ANY OLD INTERRUPTS - SETZM CURPRI - POPJ P, -] -IFE ITS,[ - -; INITIALIZE TENEX INTERRUPT SYSTEM - -INTINT: CIS ; CLEAR THE INT WORLD - SETZM INTFLG ; IN CASE RESTART - MOVSI A,TVEC ; FIXUP QUEUES - MOVEM A,QUEUES(TVP) - SETZM QUEUES+1(TVP) - SETZM CURPRI ; AND PRIORITY LEVEL - MOVEI A,MFORK ; TURN ON MY INTERRUPTS - MOVE B,[LEVTAB,,CHNTAB] ; POINT TO TABLES - SIR ; TELL SYSTEM ABOUT THEM - MOVE B,MASK1 ; SET UP FOR INT BITS - AIC ; TURN THEM ON - MOVSI A,7 ; CNTL G AND CHANNEL 0 - ATI ; ACTIVATE IT - MOVE A,[23,,1] ; CNTL S AND CHANNEL 1 - ATI ; ACTIVATE IT - MOVEI A,MFORK ; DO THE ENABLE - EIR - POPJ P, -] - - -; CNTL-G HANDLER - -MFUNCTION QUITTER,SUBR - - ENTRY 2 - GETYP A,(AB) - CAIE A,TCHRS - JRST WTYP1 - GETYP A,2(AB) - CAIE A,TCHAN - JRST WTYP2 - MOVE B,1(AB) - MOVE A,(AB) - CAIN B,^S ; HANDLE CNTL-S - JRST RETLIS - CAIE B,7 - JRST FINIS - - PUSHJ P,CLEAN ; CLEAN UP I/O CHANNELS - PUSH TP,$TATOM - PUSH TP,EQUOTE CONTROL-G? - MCALL 1,ERROR - JRST FINIS - -RETLIS: MOVEI D,(TB) ; FIND A LISTEN OR ERROR TO RET TO - -RETLI1: HRRZ A,OTBSAV(D) - HRRZ C,FSAV(A) ; CHECK FUNCTION - CAIE C,LISTEN - CAIN C,ERROR ; FOUND? - JRST FNDHIM ; YES, GO TO SAME - CAIN C,ERROR% ; FUNNY ERROR - JRST FNDHIM - CAIN C,TOPLEV ; NO ERROR/LISTEN - JRST FINIS - MOVEI D,(A) - JRST RETLI1 - -FNDHIM: PUSH TP,$TTB - PUSH TP,D - PUSHJ P,CLEAN - MOVE B,(TP) ; NEW FRAME - SUB TP,[2,,2] - MOVEI C,0 - PUSHJ P,CHUNW ; UNWIND? - MOVSI A,TATOM - MOVE B,MQUOTE T - JRST FINIS - -CLEAN: MOVE B,3(AB) ; GET IN CHAN - PUSHJ P,RRESET - MOVE B,3(AB) ; CHANNEL BAKC - MOVE C,BUFRIN(B) - SKIPN C,ECHO(C) ; GET ECHO - JRST CLUNQ -IFN ITS,[ - MOVEI A,2 - CAMN C,[PUSHJ P,MTYO] - JRST TYONUM - LDB A,[270400,,C] -TYONUM: LSH A,23. - IOR A,[.RESET] - XCT A -] -IFE ITS,[ - MOVEI A,101 ; OUTPUT JFN - CFOBF -] - -CLUNQ: SETZB A,CURPRI - JRST UNQUEU - - -IMPURE -ONINT: 0 ; INT FUDGER -IFN ITS,[ -;RANDOM IMPURE CRUFT NEEDED -CHNCNT: BLOCK 16. ; # OF CHARS IN EACH CHANNEL - -TSAVA: 0 -TSAVB: 0 -PIRQ: 0 ;HOLDS REQUEST BITS FOR 1ST WORD -PIRQ2: 0 ;SAME FOR WORD 2 -PCOFF: 0 -MASK1: 1200,,220540 ;FIRST MASK -MASK2: 0 ;SECOND THEREOF -CURPRI: 0 ; CURRENT PRIORITY -] -IFE ITS,[ -NETJFN: BLOCK NNETS -MASK1: CHNMSK -TSINTR: -P1: 0 ; PC INT LEVEL 1 -P2: 0 ; PC INT LEVEL 2 -P3: 0 ; PC INT LEVEL 3 -CURPRI: 0 -TSAVA: 0 -TSAVB: 0 -PIRQ: 0 -PIRQ2: 0 -] -PURE - -END - TITLE MAIN LOOP AND GLOBALLY REFERENCED SUBROUTINES - -RELOCA - -.GLOBAL PATCH,TBINIT,PIDSTO,PROCID,PTIME,GCPDL,PBASE,TYPTOP,RERR,FRMSTK,EMERGE -.GLOBAL PAT,PDLBUF,INTINT,START,SWAP,ICR,SPBASE,TPBASE,TPBAS,SAT,CURPRI,CHFINI -.GLOBAL TOPLEVEL,INTOBL,INITIA,ERROBL,MAINPR,RESFUN,STATUS,TYPVEC,ROOT,TTICHN,TTOCHN -.GLOBAL TTYOPE,MOPEN,MCLOSE,MIOT,ILVAL,MESS,ERROR,CHFRM,IGVAL,TYPBOT,ASOVEC -.GLOBAL PRINT,PRIN1,PRINC,MUDSTR,VECBOT,CSTACK,IFALSE,TYPLOO,RCALL,SWAPIN,CTMPLT -.GLOBAL IDPROC,CHFSWP,ILOC,MAKACT,BNDV,SPECSTORE,BINDID,IGLOC,MTYO,MSGTYP,CAFRE1 -.GLOBAL EVATYP,EVTYPE,APLTYP,APTYPE,PRNTYP,PRTYPE,AGC,SGSNAM,NAPT,APLQ,STRTO6 -.GLOBAL 6TOCHS,TYPFND,STBL,CHNL0,N.CHNS,CLOSAL,%LOGOUT,%SSNAM,%RSNAM,%KILLM -.GLOBAL MAKINF,%VALRET,COMPERR,IPUT,IGET,TMATCH,INITIZ,IPCINI,%UNAM,%JNAM,%RUNAM,%RJNAM -.GLOBAL NOTTY,PATEND,CFRAME,CARGS,CFUNCT,CITYPE,CTYPEQ,CPTYPE,CTYPEP,CUTYPE,CCHUTY -.GLOBAL RTFALS,PGINT,PURCLN,CTYPEC,CTYPEW,IDVAL1,CALLTY,MESSAG,INITFL,WHOAMI -.GLOBAL %SLEEP,%HANG,%TOPLQ,ONINT,CHUNW,CURFCN,BUFRIN,TD.LNT,TD.GET,TD.PUT,MPOPJ -.GLOBAL PURVEC,PLOAD,SSPECS,OUTRNG -.GLOBAL TYPIC -.INSRT MUDDLE > - -MONITS==1 ; SET TO 1 IF PC DEMON WANTED -.VECT.==1 ; BIT TO INDICATE VECTORS FOR GCHACK - -;MAIN LOOP AND STARTUP - -START: MOVEI 0,0 ; SET NO HACKS - MOVEM 0,WHOAMI ; HACK FOR TS FOO linked to TS MUDDLE - MOVE PVP,MAINPR ; MAKE SURE WE START IN THE MAIN PROCESS - JUMPE 0,INITIZ ; MIGHT BE RESTART - MOVE P,PSTO+1(PVP) ; SET UP FOR BOOTSTRAP HACK - MOVE TP,TPSTO+1(PVP) -INITIZ: SKIPN P ; IF NO CURRENT P - MOVE P,PSTO+1(PVP) ; PDL TO GET OFF THE GROUND - SKIPN TP ; SAME FOR TP - MOVE TP,TPSTO+1(PVP) ; GET A TP TO WORK WITH - MOVE TVP,TVPSTO+1(PVP) ; GET A TVP - SETZB R,M ; RESET RSUBR AC'S - PUSHJ P,%RUNAM - PUSHJ P,%RJNAM - PUSHJ P,TTYOPE ;OPEN THE TTY - MOVEI B,MUDSTR - SKIPE WHOAMI ; SKIP IF THIS IS MUDDLE - JRST .+3 ; ELSE NO MESSAGE - SKIPN NOTTY ; IF NO TTY, IGNORE - PUSHJ P,MSGTYP ;TYPE OUT TO USER - - XCT MESSAG ;MAYBE PRINT A MESSAGE - PUSHJ P,INTINT ;INITIALIZE INTERRUPT HANDLER - XCT IPCINI - PUSHJ P,PURCLN ; CLEAN UP PURE SHARED AREA -RESTART: ;RESTART A PROCESS -STP: MOVEI C,0 - MOVE B,TBINIT+1(PVP) ;POINT INTO STACK AT START - PUSHJ P,CHUNW ; LEAVE WHILE DOING UNWIND CHECK - MOVEI E,TOPLEV - MOVEI A,TFALSE ; IN CASE FALLS OFF PROCESS - MOVEI B,0 - MOVEM E,-1(TB) - JRST CONTIN - - MQUOTE TOPLEVEL -TOPLEVEL: - MCALL 0,LISTEN - JRST TOPLEVEL - - -MFUNCTION LISTEN,SUBR - - ENTRY - PUSH P,[0] ;FLAG: DON'T PRINT ERROR MSG - JRST ER1 - -; USER SUPPLIED ERROR HANDLER, TEMPORARY KLUDGE - IMQUOTE ERROR - -ERROR: MOVE B,IMQUOTE ERROR - PUSHJ P,IGVAL ; GET VALUE - GETYP C,A - CAIN C,TSUBR ; CHECK FOR NO CHANGE - CAIE B,RERR1 ; SKIP IF NOT CHANGED - JRST .+2 - JRST RERR1 ; GO TO THE DEFAULT - PUSH TP,A ; SAVE VALUE - PUSH TP,B - MOVE C,AB ; SAVE AB - MOVEI D,1 ; AND COUNTER -USER1: PUSH TP,(C) ; PUSH THEM - PUSH TP,1(C) - ADD C,[2,,2] ; BUMP - ADDI D,1 - JUMPL C,USER1 - ACALL D,APPLY ; EVAL USERS ERROR - JRST FINIS - - -TPSUBR==TSUBR+400000 - -MFUNCTION ERROR%,PSUBR,ERROR - -RMT [EXPUNGE TPSUBR -] -RERR1: ENTRY - PUSH TP,$TATOM - PUSH TP,MQUOTE ERROR,ERROR,INTRUP - PUSHJ P,FRMSTK ; PUT ERROR'S FRAME ON STACK - MOVEI D,2 - MOVE C,AB -RERR2: JUMPGE C,RERR22 - PUSH TP,(C) - PUSH TP,1(C) - ADD C,[2,,2] - AOJA D,RERR2 -RERR22: ACALL D,EMERGENCY - JRST RERR - -IMQUOTE ERROR -RERR: ENTRY - PUSH P,[-1] ;PRINT ERROR FLAG - -ER1: MOVE B,IMQUOTE INCHAN - PUSHJ P,ILVAL ; CHECK INPUT CHANNEL IS SOME KIND OF TTY - GETYP A,A - CAIE A,TCHAN ; SKIP IF IT IS A CHANNEL - JRST ER2 ; NO, MUST REBIND - CAMN B,TTICHN+1(TVP) - JRST NOTINC -ER2: MOVE B,IMQUOTE INCHAN - MOVEI C,TTICHN(TVP) ; POINT TO VALU - PUSHJ P,PUSH6 ; PUSH THE BINDING - MOVE B,TTICHN+1(TVP) ; GET IN CHAN -NOTINC: SKIPE NOTTY - JRST NOECHO - PUSH TP,$TCHAN - PUSH TP,B - PUSH TP,$TATOM - PUSH TP,MQUOTE T - MCALL 2,TTYECH ; ECHO INPUT -NOECHO: MOVE B,IMQUOTE OUTCHAN - PUSHJ P,ILVAL ; GET THE VALUE - GETYP A,A - CAIE A,TCHAN ; SKIP IF OK CHANNEL - JRST ER3 ; NOT CHANNEL, MUST REBIND - CAMN B,TTOCHN+1(TVP) - JRST NOTOUT -ER3: MOVE B,IMQUOTE OUTCHAN - MOVEI C,TTOCHN(TVP) - PUSHJ P,PUSH6 ; PUSH THE BINDINGS -NOTOUT: MOVE B,IMQUOTE OBLIST - PUSHJ P,ILVAL ; GET THE VALUE OF OBLIST - PUSHJ P,OBCHK ; IS IT A WINNER ? - SKIPA A,$TATOM ; NO, SKIP AND CONTINUE - JRST NOTOBL ; YES, DO NOT DO REBINDING - MOVE B,IMQUOTE OBLIST - PUSHJ P,IGLOC - GETYP 0,A - CAIN 0,TUNBOU - JRST MAKOB ; NO GLOBAL OBLIST, MAKE ONE - MOVEI C,(B) ; COPY ADDRESS - MOVE A,(C) ; GET THE GVAL - MOVE B,(C)+1 - PUSHJ P,OBCHK ; IS IT A WINNER ? - JRST MAKOB ; NO, GO MAKE A NEW ONE - MOVE B,IMQUOTE OBLIST - PUSHJ P,PUSH6 - -NOTOBL: PUSH TP,[TATOM,,-1] ;FOR BINDING - PUSH TP,IMQUOTE LER,[LERR ]INTRUP - PUSHJ P,MAKACT - HRLI A,TFRAME ; CORRCT TYPE - PUSH TP,A - PUSH TP,B - PUSH TP,[0] - PUSH TP,[0] - MOVE A,PVP ; GET PROCESS - ADD A,[PROCID,,PROCID] ; POINT TO ID (ALSO LEVEL) - PUSH TP,BNDV - PUSH TP,A - MOVE A,PROCID(PVP) - ADDI A,1 ; BUMP ERROR LEVEL - PUSH TP,A - PUSH TP,PROCID+1(PVP) - PUSH P,A - - MOVE B,IMQUOTE READ-TABLE - PUSHJ P,IGVAL - PUSH TP,[TATOM,,-1] - PUSH TP,IMQUOTE READ-TABLE - GETYP C,A ; TO GVAL OF READ-TABLE ON ERROR AND - CAIE C,TVEC ; TOP ERRET'S - JRST .+4 - PUSH TP,A - PUSH TP,B - JRST .+3 - PUSH TP,$TUNBOUND - PUSH TP,[-1] - PUSH TP,[0] - PUSH TP,[0] - - PUSHJ P,SPECBIND ;BIND THE CRETANS - MOVE A,-1(P) ;RESTORE SWITHC - JUMPE A,NOERR ;IF 0, DONT PRINT ERROR MESS - PUSH TP,$TATOM - PUSH TP,EQUOTE *ERROR* - MCALL 0,TERPRI - MCALL 1,PRINC ;PRINT THE MESSAGE -NOERR: MOVE C,AB ;GET A COPY OF AB - -ERRLP: JUMPGE C,LEVPRT ;IF NONE, RE-ENTER READ-EVAL-PRINT LOOP - PUSH TP,$TAB - PUSH TP,C - MOVEI B,PRIN1 - GETYP A,(C) ; GET ARGS TYPE - CAIE A,TATOM - JRST ERROK - MOVE A,1(C) ; GET ATOM - MOVE A,2(A) - CAIE A,ERROBL+1 - CAMN A,ERROBL+1(TVP) ; DONT SKIP IF IN ERROR OBLIST - MOVEI B,PRINC ; DONT PRINT TRAILER -ERROK: PUSH P,B ; SAVE ROUTINE POINTER - PUSH TP,(C) - PUSH TP,1(C) - MCALL 0,TERPRI ; CRLF - POP P,B ; GET ROUTINE BACK - .MCALL 1,(B) - POP TP,C - SUB TP,[1,,1] - ADD C,[2,,2] ;BUMP SAVED AB - JRST ERRLP ;AND CONTINUE - - -LEVPRT: XCT INITFL ;LOAD MUDDLE INIT FILE IF FIRST TIME - MCALL 0,TERPRI - PUSH TP,$TATOM - PUSH TP,EQUOTE [LISTENING-AT-LEVEL ] - MCALL 1,PRINC ;PRINT LEVEL - PUSH TP,$TFIX ;READY TO PRINT LEVEL - HRRZ A,(P) ;GET LEVEL - SUB P,[2,,2] ;AND POP STACK - PUSH TP,A - MCALL 1,PRIN1 ;PRINT WITHOUT SPACES ETC. - PUSH TP,$TATOM ;NOW PROCESS - PUSH TP,EQUOTE [ PROCESS ] - MCALL 1,PRINC ;DONT SLASHIFY SPACES - PUSH TP,PROCID(PVP) ;NOW ID - PUSH TP,PROCID+1(PVP) - MCALL 1,PRIN1 - SKIPN C,CURPRI - JRST MAINLP - PUSH TP,$TFIX - PUSH TP,C - PUSH TP,$TATOM - PUSH TP,EQUOTE [ INT-LEVEL ] - MCALL 1,PRINC - MCALL 1,PRIN1 - JRST MAINLP ; FALL INTO MAIN LOOP - - ;ROUTINES FOR ERROR-LISTEN - -OBCHK: GETYP 0,A - CAIN 0,TOBLS - JRST CPOPJ1 ; WIN FOR SINGLE OBLIST - CAIE 0,TLIST ; IF LIST, MAKE SURE EACH IS AN OBLIST - JRST CPOPJ ; ELSE, LOSE - - JUMPE B,CPOPJ ; NIL ,LOSE - PUSH TP,A - PUSH TP,B - PUSH P,[0] ;FLAG FOR DEFAULT CHECKING - MOVEI 0,1000 ; VERY BIG NUMBER FOR CIRCULARITY TEST - -OBCHK0: INTGO - SOJE 0,OBLOSE ; CIRCULARITY TEST - HRRZ B,(TP) ; GET LIST POINTER - GETYP A,(B) - CAIE A,TOBLS ; SKIP IF WINNER - JRST DEFCHK ; CHECK FOR SPECIAL ATOM DEFAULT - HRRZ B,(B) - MOVEM B,(TP) - JUMPN B,OBCHK0 -OBWIN: AOS (P)-1 -OBLOSE: SUB TP,[2,,2] - SUB P,[1,,1] - POPJ P, - -DEFCHK: SKIPN (P) ; BEEN HERE BEFORE ? - CAIE A,TATOM ; OR, NOT AN ATOM ? - JRST OBLOSE ; YES, LOSE - MOVE A,(B)+1 - CAME A,MQUOTE DEFAULT - JRST OBLOSE ; LOSE - SETOM (P) ; SET FLAG - HRRZ B,(B) ; CHECK FOR END OF LIST - MOVEM B,(TP) - JUMPN B,OBCHK0 ; NOT THE END, CONTINUE LOOKING - JRST OBLOSE ; LOSE FOR DEFAULT AT THE END - - - -PUSH6: PUSH TP,[TATOM,,-1] - PUSH TP,B - PUSH TP,(C) - PUSH TP,1(C) - PUSH TP,[0] - PUSH TP,[0] - POPJ P, - - -MAKOB: PUSH TP,INITIAL(TVP) - PUSH TP,INITIAL+1(TVP) - PUSH TP,ROOT(TVP) - PUSH TP,ROOT+1(TVP) - MCALL 2,LIST - PUSH TP,$TATOM - PUSH TP,IMQUOTE OBLIST - PUSH TP,A - PUSH TP,B - MCALL 2,SETG - PUSH TP,[TATOM,,-1] - PUSH TP,IMQUOTE OBLIST - PUSH TP,A - PUSH TP,B - PUSH TP,[0] - PUSH TP,[0] - JRST NOTOBL - - -;THIS IS IT FOLKS...THE MAIN LOOP. READ, EVAL, PRINT - -MAINLP: MOVE A,$TATOM ;KLUDGE BY NDR LIKE ERROR TO LET LOOSER REDEFINE - MOVE B,MQUOTE REP - PUSHJ P,ILVAL ;GET ITS LVAL TO SEE IF REDEFINED - GETYP C,A - CAIE C,TUNBOUND - JRST REPCHK - MOVE A,$TATOM ;SEE IF IT HAS GVAL SINCE NO LVAL - MOVE B,MQUOTE REP - PUSHJ P,IGVAL - GETYP C,A - CAIN C,TUNBOUN - JRST IREPER -REPCHK: CAIN C,TSUBR - CAIE B,REPER - JRST .+2 - JRST IREPER -REREPE: PUSH TP,A - PUSH TP,B - GETYP A,-1(TP) - PUSHJ P,APLQ - JRST ERRREP - MCALL 1,APPLY ;LOOSER HAS REDEFINED SO CALL HIS - JRST MAINLP -IREPER: PUSH P,[0] ;INDICATE FALL THROUGH - JRST REPERF - -ERRREP: PUSH TP,[TATOM,,-1] - PUSH TP,MQUOTE REP - PUSH TP,$TSUBR - PUSH TP,[REPER] - PUSH TP,[0] - PUSH TP,[0] - PUSHJ P,SPECBIN - PUSH TP,$TATOM - PUSH TP,EQUOTE NON-APPLICABLE-REP - PUSH TP,-11(TP) - PUSH TP,-11(TP) - MCALL 2,ERROR - SUB TP,[6,,6] - PUSHJ P,SSPECS - JRST REREPE - - -MFUNCTION REPER,SUBR,REP -REPER: ENTRY 0 - PUSH P,[1] ;INDICATE DIRECT CALL -REPERF: MCALL 0,TERPRI - MCALL 0,READ - PUSH TP,A - PUSH TP,B - MCALL 0,TERPRI - MCALL 1,EVAL - PUSH TP,$TATOM - PUSH TP,IMQUOTE LAST-OUT - PUSH TP,A - PUSH TP,B - MCALL 2,SET - PUSH TP,A - PUSH TP,B - MCALL 1,PRIN1 - POP P,C ;FLAG FOR FALL THROUGH OR CALL - JUMPN C,FINIS ;IN CASE LOOSER CALLED REP - JRST MAINLP - - -;FUNCTION TO RETRY A PREVIOUS FUNCTION CALL - -MFUNCTION RETRY,SUBR - - ENTRY - JUMPGE AB,RETRY1 ; USE MOST RECENT - CAMGE AB,[-2,,0] - JRST TMA - GETYP A,(AB) ; CHECK TYPE - CAIE A,TFRAME - JRST WTYP1 - MOVEI B,(AB) ; POINT TO ARG - JRST RETRY2 -RETRY1: MOVE B,IMQUOTE LER,[LERR ]INTRUP - PUSHJ P,ILOC ; LOCATIVE TO FRAME -RETRY2: PUSHJ P,CHFSWP ; CHECK VALIDITY AND SWAP IF NECESSARY - HRRZ 0,OTBSAV(B) ; CHECK FOR TOP - JUMPE 0,RESTAR ; YES RE-ENTER TOP LEVEL - PUSH TP,$TTB - PUSH TP,B ; SAVE FRAME - MOVE B,OTBSAV(B) ; GET PRVIOUS FOR UNBIND HACK - MOVEI C,-1(TP) - PUSHJ P,CHUNW ; CHECK ANY UNWINDING - CAME SP,SPSAV(TB) ; UNBINDING NEEDED? - PUSHJ P,SPECSTORE - MOVE P,PSAV(TB) ; GET OTHER STUFF - MOVE AB,ABSAV(B) - HLRE A,AB ; COMPUTE # OF ARGS - MOVNI A,-FRAMLN(A) ; MAKE TP POINT PAST FRAME - HRLI A,(A) - MOVE C,TPSAV(TB) ; COMPUTE TP - ADD C,A - MOVE TP,C - MOVE TB,B ; FIX UP TB - HRRZ C,FSAV(TB) ; GET FUNCTION - CAMGE C,VECTOP ; CHECK FOR RSUBR - CAMG C,VECBOT - JRST (C) ; GO - GETYP 0,(C) ; RSUBR OR ENTRY? - CAIE 0,TATOM - CAIN 0,TRSUBR - JRST RETRNT - MOVS R,(C) ; SET UP R - HRRI R,(C) - MOVEI C,0 - JRST RETRN3 - -RETRNT: CAIE 0,TRSUBR - JRST RETRN1 - MOVE R,1(C) -RETRN4: HRRZ C,2(C) ; OFFSET -RETRN3: SKIPL M,1(R) - JRST RETRN5 -RETRN7: ADDI C,(M) - JRST (C) - -RETRN5: MOVEI D,(M) ; TOTAL OFFSET - MOVSS M - ADD M,PURVEC+1(TVP) - SKIPL M,1(M) - JRST RETRN6 - ADDI M,(D) - JRST RETRN7 -RETRN6: HLRZ A,1(R) - PUSH P,D - PUSH P,C - PUSHJ P,PLOAD - JRST RETRER ; LOSER - POP P,C - POP P,D - MOVE M,B - JRST RETRN7 - -RETRN1: MOVE B,1(C) - PUSH TP,$TVEC - PUSH TP,C - PUSHJ P,IGVAL - GETYP 0,A - MOVE C,(TP) - SUB TP,[2,,2] - CAIE 0,TRSUBR - JRST RETRN2 - MOVE R,B - JRST RETRN3 - -RETRN2: PUSH TP,$TATOM - PUSH TP,EQUOTE CANT-RETRY-ENTRY-GONE - JRST CALER1 - -RETRER: PUSH TP,$TATOM - PUSH TP,EQUOTE PURE-LOAD-FAILURE - JRST CALER1 - - -;FUNCTION TO DO ERROR RETURN - -MFUNCTION ERRET,SUBR - - ENTRY - HLRE A,AB ; -2*# OF ARGS - JUMPGE A,STP ; RESTART PROCESS - ASH A,-1 ; -# OF ARGS - AOJE A,ERRET2 ; NO FRAME SUPPLIED - AOJL A,TMA - ADD AB,[2,,2] - PUSHJ P,OKFRT - JRST WTYP2 - SUB AB,[2,,2] - PUSHJ P,CHPROC ; POINT TO FRAME SLOT - JRST ERRET3 -ERRET2: MOVE B,IMQUOTE LER,[LERR ]INTRUP - PUSHJ P,ILVAL ; GET ITS VALUE -ERRET3: PUSH TP,A - PUSH TP,B - MOVEI B,-1(TP) - PUSHJ P,CHFSWP ; CHECK VALIDITY AND SWAP IF NECESSARY - HRRZ 0,OTBSAV(B) ; TOP LEVEL? - JUMPE 0,TOPLOS - PUSHJ P,CHUNW ; ANY UNWINDING - JRST CHFINIS - - -; FUNCTION TO RETURN LAST ERROR FRAME OR PREVIOUS FRAME - -MFUNCTION FRAME,SUBR - ENTRY - SETZB A,B - JUMPGE AB,FRM1 ; DEFAULT CASE - CAMG AB,[-3,,0] ; SKIP IF OK ARGS - JRST TMA - PUSHJ P,OKFRT ; A FRAME OR SIMILAR THING? - JRST WTYP1 - -FRM1: PUSHJ P,CFRAME ; GO TO INTERNAL - JRST FINIS - -CFRAME: JUMPN A,FRM2 ; ARG SUPPLIED? - MOVE B,IMQUOTE LER,[LERR ]INTRUP - PUSHJ P,ILVAL - JRST FRM3 -FRM2: PUSHJ P,CHPROC ; CHECK FOR PROCESS - PUSH TP,A - PUSH TP,B - MOVEI B,-1(TP) ; POINT TO SLOT - PUSHJ P,CHFRM ; CHECK IT - MOVE C,(TP) ; GET FRAME BACK - MOVE B,OTBSAV(C) ;GET PREVIOUS FRAME - SUB TP,[2,,2] - TRNN B,-1 ; SKIP IF OK - JRST TOPLOSE - -FRM3: JUMPN B,FRM4 ; JUMP IF WINNER - MOVE B,IMQUOTE THIS-PROCESS - PUSHJ P,ILVAL ; GET PROCESS OF INTEREST - GETYP A,A ; CHECK IT - CAIN A,TUNBOU - MOVE B,PVP ; USE CURRENT - MOVEI A,PVLNT*2+1(B) ; POINT TO DOPE WORDS - MOVE B,TBINIT+1(B) ; AND BASE FRAME -FRM4: HLL B,OTBSAV(B) ;TIME - HRLI A,TFRAME - POPJ P, - -OKFRT: AOS (P) ;ASSUME WINNAGE - GETYP 0,(AB) - MOVE A,(AB) - MOVE B,1(AB) - CAIE 0,TFRAME - CAIN 0,TENV - POPJ P, - CAIE 0,TPVP - CAIN 0,TACT - POPJ P, - SOS (P) - POPJ P, - -CHPROC: GETYP 0,A ; TYPE - CAIE 0,TPVP - POPJ P, ; OK - MOVEI A,PVLNT*2+1(B) - CAMN B,PVP ; THIS PROCESS? - JRST CHPRO1 - MOVE B,TBSTO+1(B) - JRST FRM4 - -CHPRO1: MOVE B,OTBSAV(TB) - JRST FRM4 - -; FUNCTION TO RETURN ARGS TUPLE FOR A FRAME - -MFUNCTION ARGS,SUBR - ENTRY 1 - PUSHJ P,OKFRT ; CHECK FRAME TYPE - JRST WTYP1 - PUSHJ P,CARGS - JRST FINIS - -CARGS: PUSHJ P,CHPROC - PUSH TP,A - PUSH TP,B - MOVEI B,-1(TP) ; POINT TO FRAME SLOT - PUSHJ P,CHFRM ; AND CHECK FOR VALIDITY - MOVE C,(TP) ; FRAME BACK - MOVSI A,TARGS -CARGS1: GETYP 0,FSAV(C) ; IS THIS A FUNNY ONE - CAIE 0,TCBLK ; SKIP IF FUNNY - JRST .+3 ; NO NORMAL - MOVE C,OTBSAV(C) ; ASSOCIATE WITH PREVIOUS FRAME - JRST CARGS1 - HLR A,OTBSAV(C) ; TIME IT AND - MOVE B,ABSAV(C) ; GET POINTER - SUB TP,[2,,2] ; FLUSH CRAP - POPJ P, - -; FUNCTION TO RETURN FUNCTION ASSOCIATED WITH A FRAME - -MFUNCTION FUNCT,SUBR ;RETURNS FUNCTION NAME OF - ENTRY 1 ; FRAME ARGUMENT - PUSHJ P,OKFRT ; CHECK TYPE - JRST WTYP1 - PUSHJ P,CFUNCT - JRST FINIS - -CFUNCT: PUSHJ P,CHPROC - PUSH TP,A - PUSH TP,B - MOVEI B,-1(TP) - PUSHJ P,CHFRM ; CHECK IT - MOVE C,(TP) ; RESTORE FRAME - HRRZ A,FSAV(C) ;FUNCTION POINTER - CAMG A,VECTOP ;IS THIS AN RSUBR ? - CAMGE A,VECBOT - SKIPA B,@-1(A) ;NO, GET SUBR'S NAME POINTER - MOVE B,(A)+3 ;YES, GET RSUBR'S NAME ENTRY - MOVSI A,TATOM - SUB TP,[2,,2] - POPJ P, - -BADFRAME: - PUSH TP,$TATOM - PUSH TP,EQUOTE FRAME-NO-LONGER-EXISTS - JRST CALER1 - - -TOPLOSE: - PUSH TP,$TATOM - PUSH TP,EQUOTE TOP-LEVEL-FRAME - JRST CALER1 - - - - -; ROUTINE TO HANG INDEFINITELY WITH INTERRUPTS ENABLED - -MFUNCTION HANG,SUBR - - ENTRY - - JUMPGE AB,HANG1 ; NO PREDICATE - CAMGE AB,[-3,,] - JRST TMA -REHANG: MOVE A,[PUSHJ P,CHKPRH] - MOVEM A,ONINT ; CHECK PREDICATE AFTER ANY INTERRUPT - PUSH TP,(AB) - PUSH TP,1(AB) -HANG1: ENABLE ;LET OURSELVES BE INTERRUPTED OUT - PUSHJ P,%HANG - DISABLE ;PREVENT INTERRUPTS AT RANDOM TIMES - SETZM ONINT - MOVE A,$TATOM - MOVE B,MQUOTE T - JRST FINIS - - -; ROUTINE TO SLEEP FOR POSITIVE NUMBER OF SECONDS WITH INTERRUPTS ENABLED -; ARGUMENT SHOULD BE OF TYPE FIX OR FLOAT AND NON-NEGATIVE - -MFUNCTION SLEEP,SUBR - - ENTRY - - JUMPGE AB,TFA - CAML AB,[-3,,] - JRST SLEEP1 - CAMGE AB,[-5,,] - JRST TMA - PUSH TP,2(AB) - PUSH TP,3(AB) -SLEEP1: GETYP 0,(AB) - CAIE 0,TFIX - JRST .+5 - MOVE B,1(AB) - JUMPL B,OUTRNG ;ARG SHOULDNT BE NEGATIVE - IMULI B,30. ;CONVERT TO # OF THIRTIETHS OF A SECOND - JRST SLEEPR ;GO SLEEP - CAIE 0,TFLOAT ;IF IT WASNT FIX MAKE SURE IT IS FLOAT - JRST WTYP1 ;WRONG TYPE ARG - MOVE B,1(AB) - FMPR B,[30.0] ;CONVERT TO FLOATING # OF THIRTIETHS OF A SECOND - MULI B,400 ;KLUDGE TO FIX IT - TSC B,B - ASH C,(B)-243 - MOVE B,C ;MOVE THE FIXED NUMBER INTO B - JUMPL B,OUTRNG ;CHECK TO SEE THAT WE HAVE POSITIVE NUMBER -SLEEPR: MOVE A,B -RESLEE: MOVE B,[PUSHJ P,CHKPRS] - CAMGE AB,[-3,,] - MOVEM B,ONINT - ENABLE - PUSHJ P,%SLEEP - DISABLE - SETZM ONINT - MOVE A,$TATOM - MOVE B,MQUOTE T - JRST FINIS - -CHKPRH: PUSH P,B - MOVEI B,HANGP - JRST .+3 - -CHKPRS: PUSH P,B - MOVEI B,SLEEPP - HRRM B,LCKINT - SETZM ONINT ; TURN OFF FEATURE FOR NOW - POP P,B - POPJ P, - -HANGP: SKIPA B,[REHANG] -SLEEPP: MOVEI B,RESLEE - PUSH P,B - PUSH P,A - DISABLE - PUSH TP,(TB) - PUSH TP,1(TB) - MCALL 1,EVAL - GETYP 0,A - CAIE 0,TFALSE - JRST FINIS - POP P,A - POPJ P, - -MFUNCTION VALRET,SUBR -; SUBR TO VALRET A STRING TO SUPERIOR ITS PROCESS - - ENTRY 1 - GETYP A,(AB) ; GET TYPE OF ARGUMENT - CAIE A,TCHSTR ; IS IT A CHR STRING? - JRST WTYP1 ; NO...ERROR WRONG TYPE - PUSHJ P,CSTACK ; COPY THE CHR STRING TO THE STACK - ; CSTACK IS IN ATOMHK - MOVEI B,0 ; ASCIZ TERMINATOR - EXCH B,(P) ; STORE AND RETRIEVE COUNT - -; CALCULATE THE BEGINNING ADDR OF THE STRING - MOVEI A,-1(P) ; GET ADDR OF TOP OF STACK - SUBI A,-1(B) ; GET STARTING ADDR - PUSHJ P,%VALRE ; PASS UP TO MONITOR - JRST IFALSE ; IF HE RETURNS, RETURN FALSE - - -MFUNCTION LOGOUT,SUBR - -; SUBR TO DO A .LOGOUT (VALID ONLY AT TOP LEVEL) - ENTRY 0 - PUSHJ P,%TOPLQ ; SKIP IF AT TOP LEVEL - JRST IFALSE - PUSHJ P,CLOSAL - PUSHJ P,%LOGOUT ; TRY TO FLUSH - JRST IFALSE ; COULDN'T DO IT...RETURN FALSE - -; FUNCTS TO GET UNAME AND JNAME - -MFUNCTION UNAME,SUBR - - ENTRY 0 - - PUSHJ P,%RUNAM - JRST RSUJNM - -MFUNCTION JNAME,SUBR - - ENTRY 0 - - PUSHJ P,%RJNAM - JRST RSUJNM - -; FUNCTION TO SET AND READ GLOBAL SNAME - -MFUNCTION SNAME,SUBR - - ENTRY - - JUMPGE AB,SNAME1 - CAMG AB,[-3,,] - JRST TMA - GETYP A,(AB) ; ARG MUST BE STRING - CAIE A,TCHSTR - JRST WTYP1 - PUSH TP,$TATOM - PUSH TP,IMQUOTE SNM - PUSH TP,(AB) - PUSH TP,1(AB) - MCALL 2,SETG - JRST FINIS - -SNAME1: MOVE B,IMQUOTE SNM - PUSHJ P,IDVAL1 - GETYP 0,A - CAIN 0,TCHSTR - JRST FINIS - MOVE A,$TCHSTR - MOVE B,CHQUOTE - JRST FINIS - -RSUJNM: PUSHJ P,6TOCHS ; CONVERT IT - JRST FINIS - - -SGSNAM: MOVE B,IMQUOTE SNM - PUSHJ P,IDVAL1 - GETYP 0,A - CAIE 0,TCHSTR - JRST SGSN1 - - PUSH TP,A - PUSH TP,B - PUSHJ P,STRTO6 - POP P,A - SUB TP,[2,,2] - JRST .+2 - -SGSN1: MOVEI A,0 - PUSHJ P,%SSNAM ; SET SNAME IN SYSTEM - POPJ P, - - - -;THIS SUBROUTINE ALLOCATES A NEW PROCESS TAKES NO ARGS AND -;IS CALLED BY PUSHJ P,. RETURNS IN A AND B A NEW PROCESS. - -ICR: MOVEI A,PVLNT ;SETUP CALL TO VECTOR FOR PVP - PUSHJ P,IVECT ;GOBBLE A VECTOR - HRLI C,PVBASE ;SETUP A BLT POINTER - HRRI C,(B) ;GET INTO ADDRESS - BLT C,PVLNT*2-1(B) ;COPY A PROTOTYPE INTO NEW PVP - MOVSI C,400000+SPVP+.VECT. ;SET SPECIAL TYPE - MOVEM C,PVLNT*2(B) ;CLOBBER IT IN - PUSH TP,A ;SAVE THE RESULTS OF VECTOR - PUSH TP,B - - PUSH TP,$TFIX ;GET A UNIFORM VECTOR - PUSH TP,[PLNT] - MCALL 1,UVECTOR - ADD B,[PDLBUF-2,,-1] ;FUDGE WITH BUFFER - MOVE C,(TP) ;REGOBBLE PROCESS POINTER - MOVEM B,PSTO+1(C) ;STORE IN ALL HOMES - MOVEM B,PBASE+1(C) - - - MOVEI A,TPLNT ;PREPARE TO CREATE A TEMPORARY PDL - PUSHJ P,IVECT ;GET THE TEMP PDL - ADD B,[PDLBUF,,0] ;PDL GROWTH HACK - MOVE C,(TP) ;RE-GOBBLE NEW PVP - SUB B,[1,,1] ;FIX FOR STACK - MOVEM B,TPBASE+1(C) - -;SETUP INITIAL BINDING - - PUSH B,$TBIND - MOVEM B,SPBASE+1(C) ;SAVE AS BASE OF SP - MOVEM B,SPSTO+1(C) ;AND CURRENT THEREOF - MOVEM B,CURFCN+1(C) ; AND AS CURRENT FCN FOR SPEC/UNSPEC LOGIC - PUSH B,IMQUOTE THIS-PROCESS - PUSH B,$TPVP ;GIVE IT PROCESS AS VALUE - PUSH B,C - ADD B,[2,,2] ;FINISH FRAME - MOVEM B,TPSTO+1(C) ;MAKE THIS THE CURRENT STACK POINTER - MOVEM C,PVPSTO+1(C) ;SAVE THE NEW PVP ITSELF - MOVEM TVP,TVPSTO+1(C) ;AND THE GOOD OLD TRANSFER VECTOR - AOS A,IDPROC ;GOBBLE A UNIQUE PROCESS I.D. - MOVEM A,PROCID+1(C) ;SAVE THAT ALSO - AOS A,PTIME ; GET A UNIQUE BINDING ID - MOVEM A,BINDID+1(C) - - MOVSI A,TPVP ;CLOBBER THE TYPE - MOVE B,(TP) ;AND POINTER TO PROCESS - SUB TP,[2,,2] - POPJ P, - -;MINI ROUTINE TO CALL VECTOR WITH COUNT IN A - -IVECT: PUSH TP,$TFIX - PUSH TP,A - MCALL 1,VECTOR ;GOBBLE THE VECTOR - POPJ P, - - -;SUBROUTINE TO SWAP A PROCESS IN -;CALLED WITH JSP A,SWAP AND NEW PVP IN B - -SWAP: ;FIRST STORE ALL THE ACS - - IRP A,,[PVP,TVP,AB,TB,TP,SP,P,M,R] - MOVEM A,A!STO+1(PVP) - TERMIN - - SETOM 1(TP) ; FENCE POST MAIN STACK - MOVEM TP,TPSAV(TB) ; CORRECT FRAME - SETZM PSAV(TB) ; CLEAN UP CURRENT FRAME - SETZM SPSAV(TB) - SETZM PCSAV(TB) - - MOVE E,PVP ;RETURN OLD PROCESS IN E - MOVE PVP,D ;AND MAKE NEW ONE BE D - -SWAPIN: - ;NOW RESTORE NEW PROCESSES AC'S - - IRP A,,[PVP,TVP,AB,TB,TP,SP,P,M,R] - MOVE A,A!STO+1(PVP) - TERMIN - - JRST (C) ;AND RETURN - - - - -;SUBRS ASSOCIATED WITH TYPES - -;INTERNAL FUNCTION TO GET STRAGE ALLOCATION TYPE -;GETS THE TYPE CODE IN A AND RETURNS SAT IN A. - -SAT: LSH A,1 ;TIMES 2 TO REF VECTOR - HRLS A ;TO BOTH HALVES TO HACK AOBJN POINTER - ADD A,TYPVEC+1(TVP) ;ACCESS THE VECTOR - HRR A,(A) ;GET PROBABLE SAT - JUMPL A,.+2 ;DID WE REALLY HAVE A VALID TYPE - MOVEI A,0 ;NO RETURN 0 - ANDI A,SATMSK - POPJ P, ;AND RETURN - -;TYPE (ITYPE) ARE FUNCTIONS TO RETURN THE ATOMIC NAME OF THE -;TYPE OF A GOODIE. TYPE TAKES ITS ARGS ON AP AND RETURNS IN A AND B. -;ITYPE TAKES ITS ARGS IN A AND B AND RETURNS IN SAME (B=0) FOR INVALID -;TYPECODE. -MFUNCTION TYPE,SUBR - - ENTRY 1 - GETYP A,(AB) ;TYPE INTO A -TYPE1: PUSHJ P,ITYPE ;GO TO INTERNAL - JUMPN B,FINIS ;GOOD RETURN -TYPERR: PUSH TP,$TATOM ;SETUP ERROR CALL - PUSH TP,EQUOTE TYPE-UNDEFINED - JRST CALER1" ;STANDARD ERROR HACKER - -CITYPE: GETYP A,A ; GET TYPE FOR COMPILER CALL -ITYPE: LSH A,1 ;TIMES 2 - HRLS A ;TO BOTH SIDES - ADD A,TYPVEC+1(TVP) ;GET ACTUAL LOCATION - JUMPGE A,TYPERR ;LOST, TYPE OUT OF BOUNDS - MOVE B,1(A) ;PICKUP TYPE - HLLZ A,(A) - POPJ P, - -; PREDICATE -- IS OBJECT OF TYPE SPECIFIED - -MFUNCTION %TYPEQ,SUBR,[TYPE?] - - ENTRY - - MOVE D,AB ; GET ARGS - ADD D,[2,,2] - JUMPGE D,TFA - MOVE A,(AB) - HLRE C,D - MOVMS C - ASH C,-1 ; FUDGE - PUSHJ P,ITYPQ ; GO INTERNAL - JFCL - JRST FINIS - -ITYPQ: GETYP A,A ; OBJECT - PUSHJ P,ITYPE -TYPEQ0: SOJL C,CIFALS - GETYP 0,(D) - CAIE 0,TATOM ; Type name must be an atom - JRST WRONGT - CAMN B,1(D) ; Same as the OBJECT? - JRST CPOPJ1 ; Yes, return type name - ADD D,[2,,2] - JRST TYPEQ0 ; No, continue comparing - -CIFALS: MOVEI B,0 - MOVSI A,TFALSE - POPJ P, - -CTYPEQ: SOJE A,CIFALS ; TREAT NO ARGS AS FALSE - MOVEI D,1(A) ; FIND BASE OF ARGS - ASH D,1 - HRLI D,(D) - SUBM TP,D ; D POINTS TO BASE - MOVE E,D ; SAVE FOR TP RESTORE - ADD D,[3,,3] ; FUDGE - MOVEI C,(A) ; NUMBER OF TYPES - MOVE A,-2(D) - PUSHJ P,ITYPQ - JFCL ; IGNORE SKIP FOR NOW - MOVE TP,E ; SET TP BACK - JUMPL B,CPOPJ1 ; SKIP - POPJ P, - -; Entries to get type codes for types for fixing up RSUBRs and assembling - -MFUNCTION %TYPEC,SUBR,[TYPE-C] - - ENTRY - - JUMPGE AB,TFA - GETYP 0,(AB) - CAIE 0,TATOM - JRST WTYP1 - MOVE B,1(AB) - CAMGE AB,[-3,,0] ; skip if only type name given - JRST GTPTYP - MOVE C,MQUOTE ANY - -TYPEC1: PUSHJ P,CTYPEC ; go to internal - JRST FINIS - -GTPTYP: CAMGE AB,[-5,,0] - JRST TMA - GETYP 0,2(AB) - CAIE 0,TATOM - JRST WTYP2 - MOVE C,3(AB) - JRST TYPEC1 - -CTYPEC: PUSH P,C ; save primtype checker - PUSHJ P,TYPLOO ; search type vector - POP P,B - CAMN B,MQUOTE ANY - JRST CTPEC1 - PUSH P,D - HRRZ A,(A) - ANDI A,SATMSK - PUSH P,A - PUSHJ P,TYPLOO - HRRZ 0,(A) - ANDI 0,SATMSK - CAME 0,(P) - JRST TYPDIF - MOVE D,-1(P) - SUB P,[2,,2] -CTPEC1: MOVEI B,(D) - MOVSI A,TTYPEC - POPJ P, - -MFUNCTION %TYPEW,SUBR,[TYPE-W] - - ENTRY - - JUMPGE AB,TFA - GETYP 0,(AB) - CAIE 0,TATOM - JRST WTYP1 - MOVEI D,0 - MOVE C,MQUOTE ANY - MOVE B,1(AB) - CAMGE AB,[-3,,0] - JRST CTYPW1 - -CTYPW3: PUSHJ P,CTYPEW - JRST FINIS - -CTYPW1: GETYP 0,2(AB) - CAIE 0,TATOM - JRST WTYP2 - CAMGE AB,[-5,,0] ; JUMP IF RH IS GIVEN - JRST CTYPW2 - MOVE C,3(AB) - JRST CTYPW3 - -CTYPW2: CAMGE AB,[-7,,0] - JRST TMA - GETYP 0,4(AB) - CAIE 0,TFIX - JRST WRONGT - MOVE D,5(AB) - JRST CTYPW3 - -CTYPEW: PUSH P,D - PUSHJ P,CTYPEC ; GET CODE IN B - POP P,B - HRLI B,(D) - MOVSI A,TTYPEW - POPJ P, - -;PRIMTTYPE RETURNS THE TYPE ATOM OF A PRIMITIVE TYPE IN A CLASS - -STBL: REPEAT NUMSAT,MQUOTE INTERNAL-TYPE - -LOC STBL - -IRP A,,[[1WORD,WORD],[2WORD,LIST],[NWORD,UVECTOR],[2NWORD,VECTOR],[STORE,STORAGE] -[ARGS,TUPLE],[FRAME,FRAME],[ATOM,ATOM],[LOCID,LOCD],[CHSTR,STRING] -[PVP,PROCESS],[ASOC,ASOC],[LOCA,LOCA],[LOCS,LOCS],[LOCU,LOCU],[LOCV,LOCV] -[LOCL,LOCL],[LOCN,LOCAS],[LOCT,LOCT]] -IRP B,C,[A] -LOC STBL+S!B -MQUOTE C - -.ISTOP - -TERMIN -TERMIN - -LOC STBL+NUMSAT+1 - - -MFUNCTION TYPEPRIM,SUBR - - ENTRY 1 - GETYP A,(AB) - CAIE A,TATOM - JRST NOTATOM - MOVE B,1(AB) - PUSHJ P,CTYPEP - JRST FINIS - -CTYPEP: PUSHJ P,TYPLOO ; CONVERT ATOM TO CODE - HRRZ A,(A) ; SAT TO A - ANDI A,SATMSK - JRST PTYP1 - -MFUNCTION PRIMTYPE,SUBR - - ENTRY 1 - - MOVE A,(AB) ;GET TYPE - PUSHJ P,CPTYPE - JRST FINIS - -CPTYPE: GETYP A,A - PUSHJ P,SAT ;GET SAT -PTYP1: JUMPE A,TYPERR - MOVE B,MQUOTE TEMPLATE - CAIG A,NUMSAT ; IF BIG SAT, THEN TEMPLATE - MOVE B,@STBL(A) - MOVSI A,TATOM - POPJ P, - - -; RSUBR MAKES A VECTOR INTO AN OBJECT OF TYPE RSUBR, ALSO SLIGHTLY MUNGING IT - -MFUNCTION RSUBR,SUBR - ENTRY 1 - - GETYP A,(AB) - CAIE A,TVEC ; MUST BE VECTOR - JRST WTYP1 - MOVE B,1(AB) ; GET IT - GETYP A,(B) ; CHECK 1ST ELEMENTS TYPE - CAIN A,TPCODE ; PURE CODE - JRST .+3 - CAIE A,TCODE - JRST NRSUBR - HLRM B,(B) ; CLOBEER SPECIAL COUNT FIELD - MOVSI A,TRSUBR - JRST FINIS - -NRSUBR: PUSH TP,$TATOM - PUSH TP,EQUOTE FIRST-ELEMENT-OF-VECTOR-NOT-CODE - JRST CALER1 - -; ROUTINE TO GENERATE ENTRYY OTHER THAN FIRST TO RSUBRR - -MFUNCTION MENTRY,SUBR,[RSUBR-ENTRY] - - ENTRY 2 - - GETYP 0,(AB) ; TYPE OF ARG - CAIE 0,TVEC ; BETTER BE VECTOR - JRST WTYP1 - GETYP 0,2(AB) - CAIE 0,TFIX - JRST WTYP2 - MOVE B,1(AB) ; GET VECTOR - CAML B,[-3,,0] - JRST BENTRY - GETYP 0,(B) ; FIRST ELEMENT - CAIE 0,TRSUBR - JRST MENTR1 -MENTR2: GETYP 0,2(B) - CAIE 0,TATOM - JRST BENTRY - MOVE C,3(AB) - HRRM C,2(B) ; OFFSET INTO VECTOR - HLRM B,(B) - MOVSI A,TENTER - JRST FINIS - -MENTR1: CAIE 0,TATOM - JRST BENTRY - MOVE B,1(B) ; GET ATOM - PUSHJ P,IGVAL ; GET VAL - GETYP 0,A - CAIE 0,TRSUBR - JRST BENTRY - MOVE B,1(AB) ; RESTORE B - JRST MENTR2 - -BENTRY: PUSH TP,$TATOM - PUSH TP,EQUOTE BAD-VECTOR - JRST CALER1 - -; SUBR TO GET ENTRIES OFFSET - -MFUNCTION LENTRY,SUBR,[ENTRY-LOC] - - ENTRY 1 - - GETYP 0,(AB) - CAIE 0,TENTER - JRST WTYP1 - MOVE B,1(AB) - HRRZ B,2(B) - MOVSI A,TFIX - JRST FINIS - -; RETURN FALSE - -RTFALS: MOVSI A,TFALSE - MOVEI B,0 - POPJ P, - -;SUBROUTINE CALL FOR RSUBRs -RCALL: SUBM M,(P) ;CALCULATE PC's OFFSET IN THE RSUBR - PUSHJ P,@0 ;GO TO THE PROPER SUBROUTINE - SUBM M,(P) ;RECONSTITUTE THE RSUBR's PC - POPJ P, - - -; ERRORS IN COMPILED CODE MAY END UP HERE - -COMPERR: - PUSH TP,$TATOM - PUSH TP,EQUOTE ERROR-IN-COMPILED-CODE - JRST CALER1 - - -;CHTYPE TAKES TWO ARGUMENTS. ANY GOODIE AND A AN ATOMIC TYPE NAME -;IT CHECKS THE STORAGE ALLOCATION TYPES OF THE TWO ARE THE SAME AND -;IF THEY ARE CHANGES THE TYPE OF THE FIRST TO THAT NAME D IN THE SECOND - -MFUNCTION CHTYPE,SUBR - - ENTRY 2 - GETYP A,2(AB) ;FIRST CHECK THAT ARG 2 IS AN ATOM - CAIE A,TATOM - JRST NOTATOM - MOVE B,3(AB) ;AND TYPE NAME - PUSHJ P,TYPLOO ;GO LOOKUP TYPE -TFOUND: HRRZ B,(A) ;GOBBLE THE SAT - TRNE B,CHBIT ; SKIP IF CHTYPABLE - JRST CANTCH - TRNE B,TMPLBT ; TEMPLAT - HRLI B,-1 - AND B,[-1,,SATMSK] - GETYP A,(AB) ;NOW GET TYPE TO HACK - PUSHJ P,SAT ;FIND OUT ITS SAT - JUMPE A,TYPERR ;COMPLAIN - CAILE A,NUMSAT - JRST CHTMPL ; JUMP IF TEMPLATE DATA - CAIE A,(B) ;DO THEY AGREE? - JRST TYPDIF ;NO, COMPLAIN -CHTMP1: MOVSI A,(D) ;GET NEW TYPE - HRR A,(AB) ; FOR DEFERRED GOODIES - JUMPL B,CHMATC ; CHECK IT - MOVE B,1(AB) ;AND VALUE - JRST FINIS - -CHTMPL: MOVE E,1(AB) ; GET ARG - HLRZ A,(E) - ANDI A,SATMSK - MOVE 0,3(AB) ; SEE IF TO "TEMPLATE" - CAME 0,MQUOTE TEMPLATE - CAIN A,(B) - JRST CHTMP1 - JRST TYPDIF - -CHMATC: PUSH TP,A - PUSH TP,1(AB) ; SAVE GOODIE - MOVSI A,TATOM - MOVE B,3(AB) - MOVSI C,TATOM - MOVE D,MQUOTE DECL - PUSHJ P,IGET ; FIND THE DECL - MOVE C,(AB) - MOVE D,1(AB) ; NOW GGO TO MATCH - PUSHJ P,TMATCH - JRST TMPLVIO - POP TP,B - POP TP,A - JRST FINIS - -TYPLOO: PUSHJ P,TYPFND - JRST .+2 - POPJ P, - PUSH TP,$TATOM ;LOST, GENERATE ERROR - PUSH TP,EQUOTE BAD-TYPE-NAME - JRST CALER1 - -TYPFND: MOVE A,TYPVEC+1(TVP) ;GOBBLE DOWN TYPE VECTOR - MOVEI D,0 ;INITIALIZE TYPE COUNTER -TLOOK: CAMN B,1(A) ;CHECK THIS ONE - JRST CPOPJ1 - ADDI D,1 ;BUMP COUNTER - AOBJP A,.+2 ;COUTN DOWN ON VECTOR - AOBJN A,TLOOK - POPJ P, -CPOPJ1: AOS (P) - POPJ P, - -TYPDIF: PUSH TP,$TATOM ;MAKE ERROR MESSAGE - PUSH TP,EQUOTE STORAGE-TYPES-DIFFER - JRST CALER1 - - -TMPLVI: PUSH TP,$TATOM - PUSH TP,EQUOTE DECL-VIOLATION - JRST CALER1 - - -; FUNCTION TO ADD A NEW TYPE TO THE WORLD WITH GIVEN PRIMITIVE TYPE - -MFUNCTION NEWTYPE,SUBR - - ENTRY - - HLRZ 0,AB ; CHEC # OF ARGS - CAILE 0,-4 ; AT LEAST 2 - JRST TFA - CAIGE 0,-6 - JRST TMA ; NOT MORE THAN 3 - GETYP A,(AB) ; GET 1ST ARGS TYPE (SHOULD BE ATOM) - GETYP C,2(AB) ; SAME WITH SECOND - CAIN A,TATOM ; CHECK - CAIE C,TATOM - JRST NOTATOM - - MOVE B,3(AB) ; GET PRIM TYPE NAME - PUSHJ P,TYPLOO ; LOOK IT UP - HRRZ A,(A) ; GOBBLE SAT - HRLI A,TATOM ; MAKE NEW TYPE - PUSH P,A ; AND SAVE - MOVE B,1(AB) ; SEE IF PREV EXISTED - PUSHJ P,TYPFND - JRST NEWTOK ; DID NOT EXIST BEFORE - MOVEI B,2(A) ; FOR POSSIBLE TMPLAT BIT - HRRZ A,(A) ; GET SAT - HRRZ 0,(P) ; AND PROPOSED - ANDI 0,SATMSK - ANDI A,SATMSK - CAIN 0,(A) ; SKIP IF LOSER - JRST NEWTFN ; O.K. - - PUSH TP,$TATOM - PUSH TP,EQUOTE TYPE-ALREADY-EXISTS - JRST CALER1 - -NEWTOK: POP P,A - MOVE B,1(AB) ; NEWTYPE NAME - PUSHJ P,INSNT ; MUNG IN NEW TYPE - -NEWTFN: CAML AB,[-5,,] ; SKIP IF TEMPLAT SUPPLIED - JRST NEWTF1 - MOVEI 0,TMPLBT ; GET THE BIT - IORM 0,-2(B) ; INTO WORD - MOVE A,(AB) ; GET TYPE NAME - MOVE B,1(AB) - MOVSI C,TATOM - MOVE D,MQUOTE DECL - PUSH TP,4(AB) ; GET TEMLAT - PUSH TP,5(AB) - PUSHJ P,IPUT -NEWTF1: MOVE A,(AB) - MOVE B,1(AB) ; RETURN NAME - JRST FINIS - -; SET UP GROWTH FIELDS - -IGROWT: SKIPA A,[111100,,(C)] -IGROWB: MOVE A,[001100,,(C)] - HLRE B,C - SUB C,B ; POINT TO DOPE WORD - MOVE B,TYPIC ; INDICATED GROW BLOCK - DPB B,A - POPJ P, - -INSNT: PUSH TP,A - PUSH TP,B ; SAVE NAME OF NEWTYPE - MOVE C,TYPBOT+1(TVP) ; CHECK GROWTH NEED - CAMGE C,TYPVEC+1(TVP) - JRST ADDIT ; STILL ROOM -GAGN: PUSHJ P,IGROWB ; SETUP BOTTOM GROWTH - SKIPE C,EVATYP+1(TVP) - PUSHJ P,IGROWT ; SET UP TOP GROWTH - SKIPE C,APLTYP+1(TVP) - PUSHJ P,IGROWT - MOVE C,[11.,,5] ; SET UP INDICATOR FOR AGC - PUSHJ P,AGC ; GROW THE WORLD - AOJL A,GAGN ; BAD AGC LOSSAGE - MOVE 0,[-101,,-100] - ADDM 0,TYPBOT+1(TVP) ; FIX UP POINTER - -ADDIT: MOVE C,TYPVEC+1(TVP) - SUB C,[2,,2] ; ALLOCATE ROOM - MOVEM C,TYPVEC+1(TVP) - HLRE B,C ; PREPARE TO BLT - SUBM C,B ; C POINTS DOPE WORD END - HRLI C,2(C) ; GET BLT AC READY - BLT C,-3(B) - POP TP,-1(B) ; CLOBBER IT IN - POP TP,-2(B) - POPJ P, - - -; Interface to interpreter for setting up tables associated with -; template data structures. -; A/ <-name of type>- -; B/ <-length ins>- -; C/ <-uvector of length code or 0> -; D/ <-uvector of GETTERs>- -; E/ <-uvector of PUTTERs>- - -CTMPLT: SUBM M,(P) ; could possibly gc during this stuff - SKIPE C ; for now dont handle vector of length ins - FATAL TEMPLATE DATA WITH COMPUTED LENGTH - PUSH TP,$TATOM ; save name of type - PUSH TP,A - PUSH P,B ; save length instr - HLRE A,TD.LNT+1(TVP) ; check for template slots left? - HRRZ B,TD.LNT+1(TVP) - SUB B,A ; point to dope words - HLRZ B,1(B) ; get real length - ADDM B,A ; any room? - JUMPG A,GOODRM ; jump if ok - - PUSH TP,$TUVEC ; save getters and putters - PUSH TP,D - PUSH TP,$TUVEC - PUSH TP,E - MOVEI A,6(B) ; grow it 10 by copying - PUSH P,A ; save new length - PUSHJ P,CAFRE1 ; get frozen uvector - ADD B,[10,,10] ; rest it down some - HRL C,TD.LNT+1(TVP) ; prepare to BLT in - MOVEM B,TD.LNT+1(TVP) ; and save as new length vector - HRRI C,(B) ; destination - ADD B,(P) ; final destination address - BLT C,-13(B) - MOVE A,(P) ; length for new getters - PUSHJ P,CAFRE1 - MOVE C,TD.GET+1(TVP) ; get old for copy - MOVEM B,TD.GET+1(TVP) - HRRI C,(B) - ADD B,(P) - BLT C,-13(B) ; zap those guys in - MOVE A,(P) ; finally putters - PUSHJ P,CAFRE1 - MOVE C,TD.PUT+1(TVP) - MOVEM B,TD.PUT+1(TVP) - HRRI C,(B) ; BLT pointer - ADD B,(P) - BLT C,-13(B) - SUB P,[1,,1] ; flush stack craft - MOVE E,(TP) - MOVE D,-2(TP) - SUB TP,[4,,4] - -GOODRM: MOVE B,TD.LNT+1(TVP) ; move down to fit new guy - SUB B,[1,,1] ; will always win due to prev checks - MOVEM B,TD.LNT+1(TVP) - HRLI B,1(B) - HLRE A,TD.LNT+1(TVP) - MOVNS A - ADDI A,-1(B) ; A/ final destination - BLT B,-1(A) - POP P,(A) ; new length ins munged in - HLRE A,TD.LNT+1(TVP) - MOVNS A ; A/ offset for other guys - PUSH P,A ; save it - ADD A,TD.GET+1(TVP) ; point for storing uvs of ins - MOVEM D,-1(A) - MOVE A,(P) - ADD A,TD.PUT+1(TVP) - MOVEM E,-1(A) ; store putter also - POP P,A ; compute primtype - ADDI A,NUMSAT - HRLI A,TATOM - MOVE B,(TP) ; ready to mung type vector - SUB TP,[2,,2] - PUSHJ P,INSNT ; insert into vector - JRST MPOPJ - - -; FUNCTIONS TO SET UP EVALUATION AND APPLICATION RULES FOR DATA TYPES - -MFUNCTION EVALTYPE,SUBR - - ENTRY 2 - - PUSHJ P,CHKARG ; VERIFY WINNAGE IN ARGS - MOVEI A,EVATYP ; POINT TO TABLE - MOVEI E,EVTYPE ; POINT TO PURE VERSION -TBLCAL: PUSHJ P,TBLSET ; SETUP TABLE ENTRY - JRST FINIS - -MFUNCTION APPLYTYPE,SUBR - - ENTRY 2 - - PUSHJ P,CHKARG - MOVEI A,APLTYP ; POINT TO APPLY TABLE - MOVEI E,APTYPE ; PURE TABLE - JRST TBLCAL - - -MFUNCTION PRINTTYPE,SUBR - - ENTRY 2 - - PUSHJ P,CHKARG - MOVEI A,PRNTYP ; POINT TO APPLY TABLE - MOVEI E,PRTYPE ; PURE TABLE - JRST TBLCAL - -; CHECK ARGS AND SETUP FOR TABLE HACKER - -CHKARG: GETYP A,(AB) ; 1ST MUST BE TYPE NAME - CAIE A,TATOM - JRST WTYP1 - MOVE B,1(AB) ; GET ATOM - PUSHJ P,TYPLOO ; VERIFY THAT IT IS A TYPE - PUSH P,D ; SAVE TYPE NO. - HRRZ A,(A) ; GET SAT - ANDI A,SATMSK - PUSH P,A - GETYP A,2(AB) ; GET 2D TYPE - CAIE A,TATOM ; EITHER TYPE OR APPLICABLE - JRST TRYAPL ; TRY APPLICABLE - MOVE B,3(AB) ; VERIFY IT IS A TYPE - PUSHJ P,TYPLOO - HRRZ A,(A) ; GET SAT - ANDI A,SATMSK - POP P,C ; RESTORE SAVED SAT - CAIE A,(C) ; SKIP IF A WINNER - JRST TYPDIF ; REPORT ERROR - POP P,C ; GET SAVED TYPE - MOVEI B,0 ; TELL THAT WE ARE A TYPE - POPJ P, - -TRYAPL: PUSHJ P,APLQ ; IS THIS APPLICABLE - JRST NAPT - SUB P,[1,,1] - MOVE B,2(AB) ; RETURN SAME - MOVE D,3(AB) - POP P,C - POPJ P, - - -; HERE TO PUT ENTRY IN APPROPRIATE TABLE - -TBLSET: HRLI A,(A) ; FOR TVP HACKING - ADD A,TVP ; POINT TO TVP SLOT - PUSH TP,B - PUSH TP,D ; SAVE VALUE - PUSH TP,$TVEC - PUSH TP,A - PUSH P,C ; SAVE TYPE BEING HACKED - PUSH P,E - SKIPE B,1(A) ; SKIP IF VECTOR DOESN'T EXIST YET - JRST TBL.OK - HLRE A,TYPBOT+1(TVP) ; GET CURRENT TABLE LNTH - MOVNS A - ASH A,-1 - PUSHJ P,IVECT ; GET VECTOR - MOVE C,(TP) ; POINT TO RETURN POINT - MOVEM B,1(C) ; SAVE VECTOR - -TBL.OK: POP P,E - POP P,C ; RESTORE TYPE - SUB TP,[2,,2] - POP TP,D - POP TP,A - JUMPN A,TBLOK1 ; JUMP IF FUNCTION ETC. SUPPLIED - CAILE D,NUMPRI ; SKIP IF ORIGINAL TYPE - MOVNI E,(D) ; CAUSE E TO ENDUP 0 - ADDI E,(D) ; POINT TO PURE SLOT -TBLOK1: ADDI C,(C) ; POINT TO VECTOR SLOT - ADDI C,(B) - JUMPN A,OK.SET ; OK TO CLOBBER - ADDI B,(D) ; POINT TO TARGET TYPE'S SLOT - ADDI B,(D) ; POINT TO TARGET TYPE'S SLOT - SKIPN A,(B) ; SKIP IF WINNER - SKIPE 1(B) ; SKIP IF LOSER - SKIPA D,1(B) ; SETUP D - JRST CH.PTB ; CHECK PURE TABLE - -OK.SET: MOVEM A,(C) ; STORE - MOVEM D,1(C) - MOVE A,(AB) ; RET TYPE - MOVE B,1(AB) - JRST FINIS - -CH.PTB: MOVEI A,0 - MOVE D,[SETZ NAPT] - JUMPE E,OK.SET - MOVE D,(E) - JRST OK.SET - -CALLTY: MOVE A,TYPVEC(TVP) - MOVE B,TYPVEC+1(TVP) - POPJ P, - -MFUNCTION ALLTYPES,SUBR - - ENTRY 0 - - MOVE A,TYPVEC(TVP) - MOVE B,TYPVEC+1(TVP) - JRST FINIS - -; - -;FUNCTION TO RETURN TYPE OF ELEMENTS IN A UVECTOR - -MFUNCTION UTYPE,SUBR - - ENTRY 1 - - GETYP A,(AB) ;GET U VECTOR - PUSHJ P,SAT - CAIE A,SNWORD - JRST WTYP1 - MOVE B,1(AB) ; GET UVECTOR - PUSHJ P,CUTYPE - JRST FINIS - -CUTYPE: HLRE A,B ;GET -LENGTH - HRRZS B - SUB B,A ;POINT TO TYPE WORD - GETYP A,(B) - JRST ITYPE ; GET NAME OF TYPE - -; FUNCTION TO CHANGE UNIFORM TYPE OF A VECTOR - -MFUNCTION CHUTYPE,SUBR - - ENTRY 2 - - GETYP A,2(AB) ;GET 2D TYPE - CAIE A,TATOM - JRST NOTATO - GETYP A,(AB) ; CALL WITH UVECTOR? - PUSHJ P,SAT - CAIE A,SNWORD - JRST WTYP1 - MOVE A,1(AB) ; GET UV POINTER - MOVE B,3(AB) ;GET ATOM - PUSHJ P,CCHUTY - MOVE A,(AB) ; RETURN UVECTOR - MOVE B,1(AB) - JRST FINIS - -CCHUTY: PUSH TP,$TUVEC - PUSH TP,A - PUSHJ P,TYPLOO ;LOOK IT UP - HRRZ B,(A) ;GET SAT - TRNE B,CHBIT - JRST CANTCH - ANDI B,SATMSK - HLRE C,(TP) ;-LENGTH - HRRZ E,(TP) - SUB E,C ;POINT TO TYPE - GETYP A,(E) ;GET TYPE - JUMPE A,WIN0 ;ALLOW TYPE "LOSE" TO CHANGE TO ANYTHING - PUSHJ P,SAT ;GET SAT - JUMPE A,TYPERR - CAIE A,(B) ;COMPARE - JRST TYPDIF -WIN0: HRLM D,(E) ;CLOBBER NEW ONE - POP TP,B - POP TP,A - POPJ P, - -CANTCH: PUSH TP,$TATOM - PUSH TP,EQUOTE CANT-CHTYPE-INTO - PUSH TP,2(AB) - PUSH TP,3(AB) - MOVEI A,2 - JRST CALER - -NOTATOM: - PUSH TP,$TATOM - PUSH TP,EQUOTE NON-ATOMIC-ARGUMENT - PUSH TP,(AB) - PUSH TP,1(AB) - MOVEI A,2 - JRST CALER - - - -; SUBROUTINE TO LEAVE MUDDLE CLOSING ALL CHANNELS ON THE WAY - -MFUNCTION QUIT,SUBR - - ENTRY 0 - - - PUSHJ P,CLOSAL ; DO THE CLOSES - PUSHJ P,%KILLM - JRST IFALSE ; JUST IN CASE - -CLOSAL: MOVE B,TVP ; POINT TO XFER VECCTOR - ADD B,[CHNL0+2,,CHNL0+2] ; POINT TO 1ST (NOT INCLUDING TTY I/O) - PUSH TP,$TVEC - PUSH TP,B - PUSH P,[N.CHNS-1] ; MAX NO. OF CHANS - -CLOSA1: MOVE B,(TP) - ADD B,[2,,2] - MOVEM B,(TP) - SKIPN C,-1(B) ; THIS ONE OPEN? - JRST CLOSA4 ; NO - CAME C,TTICHN+1(TVP) - CAMN C,TTOCHN+1(TVP) - JRST CLOSA4 - PUSH TP,-2(B) ; PUSH IT - PUSH TP,-1(B) - MCALL 1,FCLOSE ; CLOSE IT -CLOSA4: SOSLE (P) ; COUNT DOWN - JRST CLOSA1 - - - SUB TP,[2,,2] - SUB P,[1,,1] - -CLOSA3: SKIPN B,CHNL0+1(TVP) - POPJ P, - PUSH TP,(B) - HLLZS (TP) - PUSH TP,1(B) - HRRZ B,(B) - MOVEM B,CHNL0+1(TVP) - MCALL 1,FCLOSE - JRST CLOSA3 - -; LITTLE ROUTINES USED ALL OVER THE PLACE - -CRLF: MOVEI A,15 - PUSHJ P,MTYO - MOVEI A,12 - JRST MTYO -MSGTYP: HRLI B,440700 ;MAKE BYTE POINTER -MSGTY1: ILDB A,B ;GET NEXT CHARACTER - JUMPE A,CPOPJ ;NULL ENDS STRING - CAIE A,177 ; DONT PRINT RUBOUTS - PUSHJ P,MTYO" - JRST MSGTY1 ;AND GET NEXT CHARACTER -CPOPJ: POPJ P, - -IMPURE - -WHOAMI: 0 ; SYAYS WHETHER I AM REALLY A MUDDLE OR SOME HACK - - -;GARBAGE COLLECTORS PDLS - - -GCPDL: -GCPLNT,,GCPDL - - BLOCK GCPLNT - - -PURE - -MUDSTR: ASCII /MUDDLE / -STRNG: -1 - -1 - -1 - ASCIZ / IN OPERATION./ - -;MARKED PDLS FOR GC PROCESS - -VECTGO -; DUMMY FRAME FOR INITIALIZER CALLS - - TENTRY,,LISTEN - 0 - .-3 - 0 - 0 - -ITPLNT,,TPBAS-1 - 0 - -TPBAS: BLOCK ITPLNT+PDLBUF - GENERAL - ITPLNT+2+PDLBUF+7,,0 - - -VECRET - - - - -$TMATO: TATOM,,-1 - - -PATCH: -PAT: BLOCK 100 -PATEND: 0 - -END - -TITLE PURE-PAGE LOADER - -RELOCATABLE - -MAPCH==0 ; channel for MAPing -ELN==3 ; Length of table entry - -.GLOBAL PURVEC,PURTOP,PURBOT,P.TOP,MUDSTR,STRTO6,PLOAD,AGC,GCDOWN -.GLOBAL SQUTOA,IGVAL,IBLOCK,PURCLN,MOVPUR,GETPAG,GCFLG,NOSHUF - -.INSRT MUDDLE > - -SYSQ - -IFE ITS,[ -IF1, .INSRT STENEX > -] - -IFN ITS,[ -PURDIR==SIXBIT /MUD50/ ; directory containing pure pages -OPURDI==SIXBIT /MHILIB/ -OFIXDI==SIXBIT /MHILIB/ -FIXDIR==SIXBIT /MUD50/ -ARC==1 ; flag saying fixups on archive -] -IFN ITS,[ -PGMSK==1777 -PGSHFT==10. -] -IFE ITS,[ -PGMSK==777 -PGSHFT==9. -] - -; This routine taskes a slot offset in register A and -; maps in the associated file. It clobbers all ACs -; It skip returns if it wins. - -PLOAD: PUSH P,A ; save slot offset - ADD A,PURVEC+1(TVP) ; point into pure vector - MOVE B,(A) ; get sixbit of name -IFN ITS,[ - MOVE C,MUDSTR+2 ; get version number - PUSHJ P,CSIXBT ; vers # to six bit - HRRI C,(SIXBIT /SAV/) - MOVSS C - .SUSET [.RSNAM,,0] ; GET CURRENT SNAME TO 0 - .SUSET [.SSNAM,,[PURDIR]] ; get sname for it - MOVE A,[SIXBIT / &DSK/] ; build open block - .OPEN MAPCH,A ; try to open file - JRST FIXITU ; no current version, fix one up - PUSH P,0 ; for compat wit tenex and save old sname - DOTCAL FILLEN,[[1000,,MAPCH],[2000,,A]] - JRST MAPLOS - ADDI A,PGMSK ; in case not even # of pages - ASH A,-PGSHFT ; to pages - PUSH P,A ; save the length -] -IFE ITS,[ - MOVE E,P ; save pdl base - PUSH P,[0] ; slots for building strings - PUSH P,[0] - MOVE A,[440700,,1(E)] - MOVE C,[440600,,B] - MOVEI D,6 - ILDB 0,C - JUMPE 0,.+4 ; violate cardinal ".+ rule" - ADDI 0,40 ; to ASCII - IDPB 0,A - SOJG D,.-4 - - PUSH P,[ASCII / SAV/] - MOVE C,MUDSTR+2 ; get ascii of vers no. - IORI C,1 ; hair to change r.o. to space - MOVE 0,C - ADDI C,1 - ANDCM C,0 ; C has 1st 1 - JFFO C,.+3 - MOVEI 0,0 ; use zer name - JRST ZER... - MOVEI C,(D) - IDIVI C,7 - AND 0,MSKS(C) ; get rid of r.o.s -ZER...: PUSH P,0 - MOVEI B,-1(P) ; point to it - HRLI B,260700 - HRROI D,1(E) ; point to name - MOVEI A,1(P) - - PUSH P,[100000,,] - PUSH P,[377777,,377777] - PUSH P,[-1,,[ASCIZ /DSK/]] - PUSH P,[-1,,[ASCIZ /MUDLIB/]] - PUSH P,D - PUSH P,B - PUSH P,[0] - PUSH P,[0] - PUSH P,[0] - MOVEI B,0 - MOVE D,4(E) ; save final version string - GTJFN - JRST FIXITU - - MOVE B,[440000,,240000] - OPENF - JRST FIXITU - MOVE P,E ; flush crap - PUSH P,A - SIZEF ; get length - JRST MAPLOS - PUSH P,C ; save # of pages - MOVEI A,(C) -] - PUSHJ P,ALOPAG ; get the necessary pages - JRST MAPLS1 - PUSH P,B ; save page number -IFN ITS,[ - MOVN A,-1(P) ; get neg count - MOVSI A,(A) ; build aobjn pointer - HRR A,(P) ; get page to start - MOVE B,A ; save for later - HLLZ 0,A ; page pointer for file - DOTCAL CORBLK,[[1000,,200000],[1000,,-1],A,[1000,,MAPCH],0] - JRST MAPLS3 ; total wipe out - .CLOSE MAPCH, ; no need to have file open anymore -] -IFE ITS,[ - MOVE D,-1(P) ; # of pages to D - HRLI B,400000 ; specify this fork - HRROI E,(B) ; build page aobjn for later - TLC E,-1(D) ; sexy way of doing lh - HRLZ A,-2(P) ; JFN to lh of A - MOVSI C,120000 ; bits for read/execute - - PMAP - ADDI A,1 - ADDI B,1 - SOJG D,.-3 ; map 'em all - MOVE A,-2(P) - CLOSF ; try to close file - JFCL ; ignore failure - MOVE B,E -] - -; now try to smash slot in PURVEC - -PLOAD1: MOVE A,PURVEC+1(TVP) ; get pointer to it - ASH B,PGSHFT ; convert to aobjn pointer to words - MOVE C,-3(P) ; get slot offset - ADDI C,(A) ; point to slot - MOVEM B,1(C) ; clobber it in - ANDI B,-1 ; isolate address of page - HRRZ D,PURVEC(TVP) ; get offset into vector for start of chain - TRNE D,400000 ; skip if not end marker - JRST SCHAIN - HRLI D,A ; set up indexed pointer - ADDI D,1 - HRRZ 0,@D ; get its address - JUMPE 0,SCHAIN ; no chain exists, start one - CAILE 0,(B) ; skip if new one should be first - AOJA D,INLOOP ; jump into the loop - - SUBI D,1 ; undo ADDI -FCLOB: MOVE E,-3(P) ; get offset for this guy - HRRM D,2(C) ; link up - HRRM E,PURVEC(TVP) ; store him away - JRST PLOADD - -SCHAIN: MOVEI D,400000 ; get end of chain indicator - JRST FCLOB ; and clobber it in - -INLOOP: MOVE E,D ; save in case of later link up - HRR D,@D ; point to next table entry - TRNE D,400000 ; 400000 is the end of chain bit - JRST SLFOUN ; found a slot, leave loop - ADDI D,1 ; point to address of progs - HRRZ 0,@D ; get address of block - CAILE 0,(B) ; skip if still haven't fit it in - AOJA D,INLOOP ; back to loop start and point to chain link - SUBI D,1 ; point back to start of slot - -SLFOUN: MOVE 0,-3(P) ; get offset into vector of this guy - HRRM 0,@E ; make previous point to us - HRRM D,2(C) ; link it in - - -PLOADD: AOS -4(P) ; skip return - -MAPLS3: SUB P,[1,,1] ; flush stack crap -MAPLS1: SUB P,[1,,1] -MAPLOS: -IFN ITS,[ - MOVE 0,(P) - .SUSET [.SSNAM,,0] ; restore SNAME -] - SUB P,[2,,2] - POPJ P, - -; Here if no current version exists - -FIXITU: PUSH TP,$TFIX - PUSH TP,0 ; maybe save sname - -IFN ITS,[ - PUSH P,C ; save final name - MOVE C,[SIXBIT /FIXUP/] ; name of fixup file -IFN ,.SUSET [.SSNAM,,[OFIXDI]] -IFN ARC, HRRI A,(SIXBIT /ARC/) - .OPEN MAPCH,A -IFE ARC, JRST MAPLOS -IFN ARC, PUSHJ P,ARCLOS - MOVE 0,[-2,,A] ; prepare to read version and length - PUSH P,B ; save program name - .IOT MAPCH,0 - SKIPGE 0 - FATAL BAD FIXUP FILE - PUSH P,B ; save version number of fixup file - MOVEI A,-2(A) ; length -2 (for vers and length) - PUSHJ P,IBLOCK ; get a UVECTOR for the fixups - PUSH TP,$TUVEC ; and save - PUSH TP,B - MOVE A,B - MOVSI 0,TUVEC - MOVEM 0,ASTO(PVP) ; prepare for moby iot (interruptable) - ENABLE - .IOT MAPCH,A ; get fixups - DISABLE - .CLOSE MAPCH, - SETZM ASTO(PVP) - POP P,A ; restore version number - IDIVI A,100. ; get 100s digit in a rest in B - ADDI A,20 ; convert to sixbit - IDIVI B,10. ; B tens digit C 1s digit - ADDI B,20 - ADDI C,20 - MOVE 0,[220600,,D] - MOVSI D,(SIXBIT /SAV/) - CAIE A,20 - IDPB A,0 - CAIE B,20 - IDPB B,0 - IDPB C,0 - MOVE B,[SIXBIT / &DSK/] - MOVE C,(P) ; program name -IFN ,.SUSET [.SSNAM,,[OPURDI]] - .OPEN MAPCH,B ; try for this one - JRST MAPLS1 - DOTCAL FILLEN,[[1000,,MAPCH],[2000,,A]] - JRST MAPLS1 - ADDI A,PGMSK ; in case not exact pages - ASH A,-PGSHFT ; to pages - PUSH P,A ; save - PUSHJ P,ALOPAG ; find some pages - JRST MAPLS4 - MOVN A,(P) ; build aobjn pointer - MOVSI A,(A) - HRRI A,(B) - MOVE B,A - HLLZ 0,B - DOTCAL CORBLK,[[1000,,104000],[1000,,-1],A,[1000,,MAPCH],0] - JRST MAPLS4 - SUB P,[1,,1] - .CLOSE MAPCH, -] -IFE ITS,[ - PUSH TP,$TPDL ; save stack pointer - PUSH TP,E - PUSH P,D ; save vers string - HRROI A,[ASCIZ /FIXUP/] - MOVEM A,10.(E) ; into name slot - MOVEI A,5(E) ; point to arg block - SETZB B,C - GTJFN - JRST MAPLS4 - MOVEI C,(A) ; save JFN in case OPNEF loses - MOVE B,[440000,,200000] - OPENF - JRST MAPLS4 - BIN ; length of fixups to B - PUSH P,A ; save JFN - MOVEI A,-2(B) ; length of uvextor to get - PUSHJ P,IBLOCK - PUSH TP,$TUVEC - PUSH TP,B ; sav it - POP P,A ; restore JFN - BIN ; read in vers # - MOVE D,B ; save vers # - MOVE B,(TP) - HLRE C,B - HRLI B,444400 - SIN ; read in entire fixups - CLOSF ; and close file of same - JFCL ; ignore cailure to close - HRROI C,1(E) ; point to name - MOVEM C,9.(E) - MOVEI C,3(E) - HRLI C,260700 - MOVEM C,10.(E) - MOVE 0,[ASCII / /] - MOVEM 0,4(E) ; all spaces - MOVEI A,(D) - IDIVI A,100. ; to ascii - ADDI A,60 - IDIVI B,10. - ADDI B,60 - ADDI C,60 - MOVE 0,[440700,,4(E)] - CAIE A,60 - IDPB A,0 - CAIE B,60 - IDPB B,0 - IDPB C,0 - SETZB C,B - MOVEI A,5(E) ; ready for 'nother GTJFN - GTJFN - JRST MAPLS5 - MOVEI C,(A) ; save JFN in case OPENF loses - MOVE B,[440000,,240000] - OPENF - JRST MAPLS5 - SIZEF - JRST MAPLS5 - PUSH P,A - PUSH P,C - MOVEI A,(C) - PUSHJ P,ALOPAG ; get the pages - JRST MAPLS5 - MOVEI D,(B) ; save pointer - MOVN A,(P) ; build page aobjn pntr - HRLI D,(A) - EXCH D,(P) ; get length - HRLI B,400000 - - HRLZ A,-1(P) ; JFN for PMAP - MOVSI C,120400 ; bits for read/execute/copy-on-write - - PMAP - ADDI A,1 - ADDI B,1 - SOJG D,.-3 - - HLRZS A - CLOSF - JFCL - POP P,B ; restore page # - SUB P,[1,,1] -] -; now to do fixups - - MOVE A,(TP) ; pointer to them - ASH B,PGSHFT ; aobjn to program - -FIX1: SKIPL E,(A) ; read one hopefully squoze - FATAL ATTEMPT TO TYPE FIX PURE - TLZ E,740000 - PUSHJ P,SQUTOA ; look it up - FATAL BAD FIXUPS - - AOBJP A,FIX2 - HLRZ D,(A) ; get old value - SUBM E,D ; D is diff between old and new - HRLM E,(A) ; fixup the fixups - MOVEI 0,0 ; flag for which half -FIX4: JUMPE 0,FIXRH ; jump if getting rh - MOVEI 0,0 ; next time will get rh - AOBJP A,FIX2 ; done? - HLRZ C,(A) ; get lh - JUMPE C,FIX3 ; 0 terminates -FIX5: ADDI C,(B) ; access the code - ADDM D,-1(C) ; and fix it up - JRST FIX4 - -FIXRH: MOVEI 0,1 ; change flag - HRRZ C,(A) ; get it and - JUMPN C,FIX5 - -FIX3: AOBJN A,FIX1 ; do next one - -FIX2: -IFN ITS,[ -IFN .SUSET [.SSNAM,,[PURDIR]] - .OPEN MAPCH,[SIXBIT / 'DSK_PURE_>/] - JRST MAPLS1 - MOVE E,B ; save pointer - ASH E,-PGSHFT ; to page AOBJN - .IOT MAPCH,B ; write out the goodie - SETZB 0,A - MOVEI B,MAPCH - MOVE C,(P) - MOVE D,-1(P) - .FDELE 0 ; attempt to rename to right thing - JRST MAPLS1 - .CLOSE MAPCH, - MOVE B,[SIXBIT / &DSK/] - .OPEN MAPCH,B - FATAL WHERE DID THE FILE GO? - HLLZ 0,E ; pointer to file pages - PUSH P,E ; SAVE FOR END - DOTCAL CORBLK,[[1000,,200000],[1000,,-1],E,[1000,,MAPCH],0] - FATAL LOSSAGE LOSSAGE PAGES LOST - .CLOSE MAPCH, - - SKIPGE MUDSTR+2 ; skip if not experimental - JRST NOFIXO - PUSHJ P,GENVN ; get version number as a number - MOVE E,(TP) -IFN ,.SUSET [.SSNAM,,[FIXDIR]] -IFE ARC, .OPEN MAPCH,[SIXBIT / 'DSK_FIXU_>/] -IFN ARC, .OPEN MAPCH,[SIXBIT / 'ARC_FIXU_>/] -IFE ARC, FATAL CANT WRITE FIXUPS -IFN ARC, PUSHJ P,ARCFAT - HLRE A,E ; get length - MOVNS A - ADDI A,2 ; account for these 2 words - MOVE 0,[-2,,A] ; write version and length - .IOT MAPCH,0 - .IOT MAPCH,E ; out go the fixups - SETZB 0,A - MOVEI B,MAPCH - MOVE C,-1(P) - MOVE D,[SIXBIT /FIXUP/] - .FDELE 0 - FATAL FIXUP WRITE OUT FAILED - .CLOSE MAPCH, -NOFIXO: -] -IFE ITS,[ - MOVE E,-2(TP) ; restore P-stack base - MOVEI 0,600000 ; fixup args to GTJFN - HRLM 0,5(E) - MOVE D,B ; save page number - POP P,4(E) ; current version name in - MOVEI A,5(E) ; pointer ro arg block - MOVEI B,0 - GTJFN - FATAL MAP FIXUP LOSSAGE - MOVE B,[440000,,100000] - OPENF - FATAL MAP FIXUP LOSSAGE - MOVEI B,(D) ; ready to write it out - HRLI B,444400 - HLRE C,D - SOUT ; zap it out - TLO A,400000 ; dont recycle the JFN - CLOSF - JFCL - ANDI A,-1 ; kill sign bit - MOVE B,[440000,,240000] - OPENF - FATAL MAP FIXUP LOSSAGE - MOVE B,D - ASH B,-PGSHFT ; aobjn to pages - PUSH P,B - HLRE D,B ; -count - HRLI B,400000 - MOVSI A,(A) - MOVSI C,120000 - - PMAP - ADDI A,1 - ADDI B,1 - AOJL D,.-3 - - HLRZS A - CLOSF - JFCL - - HRROI 0,[ASCIZ /FIXUP/] ; now write out new fixup file - MOVEM 0,10.(E) - MOVEI A,5(E) - MOVEI B,0 - - SKIPGE MUDSTR+2 - JRST NOFIXO ; exp vers, dont write out - - PUSHJ P,GENVN - MOVEI D,(B) ; save vers in D - GTJFN - FATAL MAP FIXUP LOSSAGE - MOVE B,[440000,,100000] - OPENF - FATAL MAP FIXUP LOSSAGE - HLRE B,(TP) ; length of fixup vector - MOVNS B - ADDI B,2 ; for length and version words - BOUT - MOVE B,D ; and vers # - BOUT - MOVSI B,444400 ; byte pointer to fixups - HRR B,(TP) - HLRE C,(TP) - SOUT - CLOSF - JFCL -NOFIXO: MOVE A,(P) ; save aobjn to pages - MOVE P,-2(TP) - SUB TP,[2,,2] - PUSH P,A -] - HRRZ A,(P) ; get page # - HLRE C,(P) ; and # of same - MOVE B,(P) ; set B up for return - MOVNS C -IFN ITS,[ - SUB P,[2,,2] - MOVE 0,-2(TP) ; saved sname - MOVEM 0,(P) -] - PUSH P,C - PUSH P,A - SUB TP,[4,,4] - JRST PLOAD1 - -IFN ITS,[ -MAPLS4: .CLOSE MAPCH, - SUB P,[1,,1] - JRST MAPLS1 -] -IFE ITS,[ -MAPLS4: SKIPA A,[4,,4] -MAPLS5: MOVE A,[6,,6] - MOVE P,E - SUB TP,A - SKIPE A,C - CLOSF - JFCL - JRST MAPLOS -] - -IFN ITS,[ -IFN ARC,[ -ARCLOS: PUSHJ P,CKLOCK - JRST MAPLS1 - -ARCRTR: SOS (P) - SOS (P) - POPJ P, - -ARCFAT: PUSHJ P,CKLOCK - FATAL CANT WRITE FIXUP FILE - JRST ARCRTR - -CKLOCK: PUSH P,0 - .STATUS MAPCH,0 - LDB 0,[220600,,0] - CAIN 0,23 ; file locked? - JRST WAIT ; wait and retry - POP P,0 - POPJ P, - -WAIT: MOVEI 0,1 - .SLEEP 0, - POP P,0 - AOS (P) - POPJ P, -] -] - -; Here to try to get a free page block for new thing -; A/ # of pages to get - -ALOPAG: PUSHJ P,GETPAG ; try to get enough pages - POPJ P, - AOS (P) ; won skip return - MOVEI 0,(B) ; update PURBOT/PURTOP to reflect current state - ASH 0,PGSHFT - MOVEM 0,PURBOT - POPJ P, - -GETPAG: MOVE C,P.TOP ; top of GC space - ASH C,-PGSHFT ; to page number - MOVE B,PURBOT ; current bottom of pure space - ASH B,-PGSHFT ; also to pages - SUBM B,C ; pages available ==> C - CAIGE C,(A) ; skip if have enough already - JRST GETPG1 ; no, try to shuffle around - SUBI B,(A) ; B/ first new page - AOS (P) - POPJ P, ; return with new free page in B - -; Here if shuffle must occur or gc must be done to make room - -GETPG1: MOVEI 0,0 - SKIPE NOSHUF ; if can't shuffle, then ask gc - JRST ASKAGC - MOVE 0,PURTOP ; get top of mapped pure area - SUB 0,P.TOP ; total free words to 0 - ASH 0,-PGSHFT ; to pages - CAIGE 0,(A) ; skip if winnage possible - JRST ASKAGC ; please AGC give me some room!! - SUBM A,C ; C/ amount we must flush to make room - -; Here to find pages for flush using LRU algorithm - -GL1: MOVE B,PURVEC+1(TVP) ; get pointer to pure sr vector - MOVEI 0,-1 ; get very large age - -GL2: SKIPN 1(B) ; skip if not already flushed - JRST GL3 - HLRZ D,2(B) ; get this ones age - CAMLE D,0 ; skip if this is a candidate - JRST GL3 - MOVE E,B ; point to table entry with E - MOVEI 0,(D) ; and use as current best -GL3: ADD B,[ELN,,ELN] ; look at next - JUMPL B,GL2 - - HLRE B,1(E) ; get length of flushee - ASH B,-PGSHFT ; to negative # of pages - ADD C,B ; update amount needed - SETZM 1(E) ; indicate it will be gone - JUMPG C,GL1 ; jump if more to get - -; Now compact pure space - - PUSH P,A ; need all acs - SETZB E,A - HRRZ D,PURVEC(TVP) ; point to first in core addr order - HRRZ C,PURTOP ; get destination page - ASH C,-PGSHFT ; to page number - -CL1: ADD D,PURVEC+1(TVP) ; to real pointer - SKIPE 1(D) ; skip if this one is a flushee - JRST CL2 - - HRRZ D,2(D) ; point to next one in chain - JUMPN E,CL3 ; jump if not first one - HRRM D,PURVEC(TVP) ; and use its next as first - JRST CL4 - -CL3: HRRM D,2(E) ; link up - JRST CL4 - -; Found a stayer, move it if necessary - -CL2: MOVEI E,(D) ; another pointer to slot - HLRE B,1(D) ; - length of block - HRRZ D,1(D) ; pointer to block - SUB D,B ; point to top of block - ASH D,-PGSHFT ; to page number - CAIN D,(C) ; if not moving, jump - JRST CL6 - - ASH B,-PGSHFT ; to pages -IFN ITS,[ -CL5: SUBI C,1 ; move to pointer and from pointer - SUBI D,1 - DOTCAL CORBLK,[[1000,,200000],[1000,,-1],C,[1000,,-1],D] - FATAL PURE SHUFFLE LOSSAGE - AOJL B,CL5 ; count down -] -IFE ITS,[ - PUSH P,B ; save # of pages - MOVEI A,-1(D) ; copy from pointer - HRLI A,400000 ; get this fork code - RMAP ; get a JFN (hopefully) - EXCH D,(P) ; D # of pages (save from) - ADDM D,(P) ; update from - MOVEI B,-1(C) ; to pointer in B - HRLI B,400000 - MOVSI C,120000 ; read/execute modes - - PMAP ; move a page - SUBI A,1 - SUBI B,1 - AOJL D,.-3 ; move them all - - MOVEI C,1(B) - POP P,D - ADDI D,1 -] -; Update the table address for this loser - - SUBM C,D ; compute offset (in pages) - ASH D,PGSHFT ; to words - ADDM D,1(E) ; update it -CL7: HRRZ D,2(E) ; chain on -CL4: TRNN D,400000 ; skip if end of chain - JRST CL1 - - ASH C,PGSHFT ; to words - MOVEM C,PURBOT ; reset pur bottom - POP P,A - JRST GETPAG - -CL6: HRRZ C,1(E) ; get new top of world - ASH C,-PGSHFT ; to page # - JRST CL7 - -; SUBR to create an entry in the vector for one of these guys - -MFUNCTION PCODE,SUBR - - ENTRY 2 - - GETYP 0,(AB) ; check 1st arg is string - CAIE 0,TCHSTR - JRST WTYP1 - GETYP 0,2(AB) ; second must be fix - CAIE 0,TFIX - JRST WTYP2 - - MOVE A,(AB) ; convert name of program to sixbit - MOVE B,1(AB) - PUSHJ P,STRTO6 -PCODE4: MOVE C,(P) ; get name in sixbit - -; Now look for either this one or an empty slot - - MOVEI E,0 - MOVE B,PURVEC+1(TVP) - -PCODE2: CAMN C,(B) ; skip if this is not it - JRST PCODE1 ; found it, drop out of loop - JUMPN E,.+3 ; dont record another empty if have one - SKIPN (B) ; skip if slot filled - MOVE E,B ; remember pointer - ADD B,[ELN,,ELN] - JUMPL B,PCODE2 ; jump if more to look at - - JUMPE E,PCODE3 ; if E=0, error no room - MOVEM C,(E) ; else stash away name and zero rest - SETZM 1(E) - SETZM 2(E) - JRST .+2 - -PCODE1: MOVE E,B ; build ,, - MOVEI 0,0 ; flag whether new slot - SKIPE 1(E) ; skip if mapped already - MOVEI 0,1 - MOVE B,3(AB) - HLRE D,E - HLRE E,PURVEC+1(TVP) - SUB D,E - HRLI B,(D) - MOVSI A,TPCODE - SKIPN NOSHUF ; skip if not shuffling - JRST FINIS - JUMPN 0,FINIS ; jump if winner - PUSH TP,A - PUSH TP,B - HLRZ A,B - PUSHJ P,PLOAD - JRST PCOERR - POP TP,B - POP TP,A - JRST FINIS - -PCOERR: PUSH TP,$TATOM - PUSH TP,EQUOTE PURE-LOAD-FAILURE - JRST CALER1 - - -PCODE3: HLRE A,PURVEC+1(TVP) ; get current length - MOVNS A - ADDI A,10*ELN ; add 10(8) more entry slots - PUSHJ P,IBLOCK - EXCH B,PURVEC+1(TVP) ; store new one and get old - HLRE A,B ; -old length to A - MOVSI B,(B) ; start making BLT pointer - HRR B,PURVEC+1(TVP) - SUBM B,A ; final dest to A - BLT B,-1(A) - JRST PCODE4 - -; Here if must try to GC for some more core - -ASKAGC: SKIPE GCFLG ; if already in GC, lose - POPJ P, - SUBM A,0 ; amount required to 0 - ASH 0,PGSHFT ; TO WORDS - MOVEM 0,GCDOWN ; pass as funny arg to AGC - EXCH A,C ; save A from gc's destruction -IFN ITS, .IOPUSH MAPCH, ; gc uses same channel - PUSH P,C - MOVE C,[8,,9.] ; SET UP INDICATORS FOR GC - PUSHJ P,AGC - POP P,C -IFN ITS, .IOPOP MAPCH, - EXCH C,A - JUMPGE C,GETPAG - PUSH TP,$TATOM - PUSH TP,EQUOTE NO-MORE-PAGES - AOJA TB,CALER1 - -; Here to clean up pure space by flushing all shared stuff - -PURCLN: SKIPE NOSHUF - POPJ P, - MOVEI B,400000 - HRRM B,PURVEC(TVP) ; flush chain pointer - MOVE B,PURVEC+1(TVP) ; get pointer to table - SETZM 1(B) ; zero pointer entry - SETZM 2(B) ; zero link and age slots - ADD B,[ELN,,ELN] ; go to next slot - JUMPL B,.-3 ; do til exhausted - MOVE B,PURBOT ; now return pages - SUB B,PURTOP ; compute page AOBJN pointer - JUMPE B,CPOPJ ; no pure pages? - MOVSI B,(B) - HRR B,PURBOT - ASH B,-PGSHFT -IFN ITS,[ - DOTCAL CORBLK,[[1000,,0],[1000,,-1],B] - FATAL SYSTEM WONT TAKE CORE BACK? -] -IFE ITS,[ - HLRE D,B ; - # of pges to flush - HRLI B,400000 ; specify hacking hom fork - MOVNI A,1 - - PMAP - ADDI B,1 - AOJL D,.-2 -] - MOVE B,PURTOP ; now fix up pointers - MOVEM B,PURBOT ; to indicate no pure -CPOPJ: POPJ P, - -; Here to move the entire pure space. -; A/ # and direction of pages to move (+ ==> up) - -MOVPUR: SKIPE NOSHUF - FATAL CANT MOVE PURE SPACE AROUND - IFE ITS [ASH A,1] - SKIPN B,A ; zero movement, ignore call - POPJ P, - - ASH B,PGSHFT ; convert to words for pointer update - MOVE C,PURVEC+1(TVP) ; loop through updating non-zero entries - SKIPE 1(C) - ADDM B,1(C) - ADD C,[ELN,,ELN] - JUMPL C,.-3 - - MOVE C,PURTOP ; found pages at top and bottom of pure - ASH C,-PGSHFT - MOVE D,PURBOT - ASH D,-PGSHFT - ADDM B,PURTOP ; update to new boundaries - ADDM B,PURBOT - CAIN C,(D) ; differ? - POPJ P, - JUMPG A,PUP ; if moving up, go do separate CORBLKs - -IFN ITS,[ - SUBM D,C ; -size of area to C (in pages) - MOVEI E,(D) ; build pointer to bottom of destination - ADD E,A - HRLI E,(C) - HRLI D,(C) - DOTCAL CORBLK,[[1000,,200000],[1000,,-1],E,[1000,,-1],D] - FATAL CANT MOVE PURE - POPJ P, - -PUP: SUBM C,D ; pages to move to D - ADDI A,(C) ; point to new top - -PUPL: SUBI C,1 - SUBI A,1 - DOTCAL CORBLK,[[1000,,200000],[1000,,-1],A,[1000,,-1],C] - FATAL CANT MOVE PURE - SOJG D,PUPL - POPJ P, -] -IFE ITS,[ - SUBM D,C ; pages to move to D - MOVSI E,(C) ; build aobjn pointer - HRRI E,(D) ; point to lowest - ADD D,A ; D==> new lowest page -PURCL1: MOVSI A,400000 ; specify here - HRRI A,(E) ; get a page - RMAP ; get a real handle on it - MOVE B,D ; where to go - HRLI B,400000 - MOVSI C,120000 - PMAP - ADDI D,1 - AOBJN E,PURCL1 - POPJ P, - -PUP: SUB D,C ; - count to D - MOVSI E,(D) ; start building AOBJN - HRRI E,(C) ; aobjn to top - ADD C,A ; C==> new top - MOVE D,C - -PUPL: MOVSI A,400000 - HRRI A,(E) - RMAP ; get real handle - MOVE B,D - HRLI B,400000 - MOVSI C,120000 - PMAP - SUBI E,2 - SUBI D,1 - AOBJN E,PUPL - - POPJ P, -] -IFN ITS,[ -CSIXBT: MOVEI 0,5 - PUSH P,[440700,,C] - PUSH P,[440600,,D] - MOVEI D,0 -CSXB2: ILDB E,-1(P) - CAIN E,177 - JRST CSXB1 - SUBI E,40 - IDPB E,(P) - SOJG 0,CSXB2 -CSXB1: SUB P,[2,,2] - MOVE C,D - POPJ P, -] -GENVN: MOVE C,[440700,,MUDSTR+2] - MOVEI D,5 - MOVEI B,0 -VNGEN: ILDB 0,C - CAIN 0,177 - POPJ P, - IMULI B,10. - SUBI 0,60 - ADD B,0 - SOJG D,VNGEN - POPJ P, - -IFE ITS,[ -MSKS: 774000,,0 - 777760,,0 - 777777,,700000 - 777777,,777400 - 777777,,777776 -] -END - -TITLE MAPS -- MAP FUNCTIONS FOR MUDDLE - -RELOCATABLE - -.INSRT MUDDLE > - -.GLOBAL TYPSEG,NXTLM,NAPT,APLQ,INCR1,SPECBI,FRMSTK,MAPPLY -.GLOBAL CHFSWP,SSPEC1,ILVAL,CHUNW - -; PSTACK OFFSETS - -INCNT==0 ; INNER LOOP COUNT -LISTNO==-1 ; ARG NUMBER BEING HACKED -ARGCNT==-2 ; FINAL ARG COUNTER -NARGS==-3 ; NUMBER OF STRUCTURES -NTHRST==-4 ; 0=> MAP REST, OTHERWISE MAP FIRST - -; MAP THE "CAR" OF EACH LIST - -MFUNCTION MAPF,SUBR - - PUSH P,. ; PUSH NON-ZERO - JRST MAP1 - -; MAP THE "CDR" OF EACH LIST - -MFUNCTION MAPR,SUBR - - PUSH P,[0] - -MAP1: ENTRY - HLRE C,AB ; HOW MANY ARGS - ASH C,-1 ; TO # OF PAIRS - ADDI C,3 ; AT LEAST 3 - JUMPG C,TFA ; NOT ENOUGH - GETYP A,(AB) ; TYPE OF CONSTRUCTOR - CAIN A,TFALSE ; ANY CONSING NEEDE? - JRST MAP2 ; NO, SKIP CHECK - PUSHJ P,APLQ ; CHECK IF APPLICABLE - JRST NAPT ; NO, ERROR -MAP2: MOVNS C ; POS NO. OF ARGS (-3) - ADDI C,1 ; C/ NOW # OF LISTS... - PUSH P,C ; SAVE IT - PUSH TP,[TATOM,,-1] ; ALL **GFP** INSTRUCTIONS ARE TO DO WITH MAPRET - PUSH TP,MQUOTE LMAP,[LMAP ]INTRUP - PUSHJ P,FRMSTK ; **GFP** - PUSH TP,[0] ; **GFP** - PUSH TP,[0] ; **GFP** - PUSHJ P,SPECBIND ; **GFP** - MOVE C,(P) ; RESTORE COUNT OF ARGS - MOVE A,AB ; COPY ARG POINTER - MOVSI 0,TAB ; CLOBBER A'S TYPE - MOVEM 0,ASTO(PVP) - -ARGLP: INTGO ; STACK MAY OVERFLOW - PUSH TP,4(A) ; SKIP FCNS - PUSH TP,5(A) - ADD A,[2,,2] - SOJG C,ARGLP ; ALL UP ON STACK - -; ALL STRUCTURES ARE ON THE STACK, NOW PUSH THE CONSTRUCTOR - - PUSH TP,(AB) ; CONSTRUCTOR - PUSH TP,1(AB) - SETZM ASTO(PVP) - PUSH P,[-1] ; FUNNY TEMPS - PUSH P,[0] - PUSH P,[0] - -; OUTER LOOP CDRING EACH STRUCTURE - -OUTRLP: SETZM LISTNO(P) ; START AT 0TH LIST - MOVE 0,NARGS(P) ; TOTAL # OF STRUCS - MOVEM 0,INCNT(P) ; AS COUNTER IN INNER LOOP - PUSH TP,2(AB) ; PUSH THE APPLIER - PUSH TP,3(AB) - -; INNER LOOP, CONS UP EACH APPLICATION - -INRLP: INTGO - MOVEI E,2 ; READY TO BUMP LISTNO - ADDB E,LISTNO(P) ; CURRENT STORED AND IN C - ADDI E,(TB)4 ; POINT TO A STRUCTURE - MOVE A,(E) ; PICK IT UP - MOVE B,1(E) ; AND VAL - PUSHJ P,TYPSEG ; SETUP TO REST IT ETC. - SKIPL ARGCNT(P) ; DONT INCR THE 1ST TIME - XCT INCR1(C) ; INCREMENT THE LOSER - MOVE 0,DSTO(PVP) ; UPDATE THE LIST - MOVEM 0,(E) - MOVEM D,1(E) ; CLOBBER AWAY - PUSH TP,DSTO(PVP) ; FOR REST CASE - PUSH TP,D - PUSHJ P,NXTLM ; SKIP IF GOT ONE, ELSE DONT - JRST DONEIT ; FINISHED - SETZM DSTO(PVP) - SKIPN NTHRST(P) ; SKIP IF MAP REST - JRST INRLP1 - MOVEM A,-1(TP) ; IUSE AS ARG - MOVEM B,(TP) -INRLP1: SOSE INCNT(P) ; COUNT ARGS - JRST INRLP ; MORE, GO DO THEM - - -; ALL ARGS PUSHED, APPLY USER FCN - - SKIPGE ARGCNT(P) ; UN NEGATE ARGCNT - SETZM ARGCNT(P) - MOVE A,NARGS(P) ; GET # OF ARGS - ADDI A,1 - ACALL A,MAPPLY ; APPLY THE BAG BITER - - GETYP 0,(AB) ; GET TYPE OF CONSTRUCTOR - CAIN 0,TFALSE ; SKIP IF ONE IS THERE - JRST OUTRL1 - PUSH TP,A - PUSH TP,B - AOS ARGCNT(P) - JRST OUTRLP - -OUTRL1: MOVEM A,-1(TP) ; SAVE PARTIAL VALUE - MOVEM B,(TP) - JRST OUTRLP - -; HERE IF ALL FINISHED - -DONEIT: HRLS C,LISTNO(P) ; HOW MANY DONE - SUB TP,[2,,2] ; FLUSH SAVED VAL - SUB TP,C ; FLUSH TUPLE OF CRUFT -DONEI1: SKIPGE ARGCNT(P) - SETZM ARGCNT(P) ; IN CASE STILL NEGATIVE - SETZM DSTO(PVP) ; UNSCREW - GETYP 0,(AB) ; ANY CONSTRUCTOR - CAIN 0,TFALSE - JRST MFINIS ; NO, LEAVE - AOS D,ARGCNT(P) ; IF NO ARGS - ACALL D,APPLY ; APPLY IT - - JRST FINIS - -; HERE TO FINISH IF CONSTRUCTOR WAS #FALSE () - -MFINIS: POP TP,B - POP TP,A - JRST FINIS - -; **GFP** FROM HERE TO THE END - -MFUNCTION MAPLEAVE,SUBR - - ENTRY - - CAMGE AB,[-3,,0] - JRST TMA - MOVE B,MQUOTE LMAP,[LMAP ]INTRUP - PUSHJ P,ILVAL - GETYP 0,A - CAIE 0,TFRAME ; MAKE SURE WINNER - JRST NOTM - PUSH TP,A - PUSH TP,B - MOVEI B,-1(TP) ; POINT TO FRAME POINTER - PUSHJ P,CHFSWP - PUSHJ P,CHUNW - JUMPL C,MAPL1 ; RET VAL SUPPLIED - MOVSI A,TATOM - MOVE B,MQUOTE T - JRST FINIS - -MAPL1: MOVE A,(C) - MOVE B,1(C) - JRST FINIS - -MFUNCTION MAPSTOP,SUBR - - ENTRY - - PUSH P,[1] - JRST MAPREC - -MFUNCTION MAPRET,SUBR - - ENTRY - - PUSH P,[0] -MAPREC: MOVE B,MQUOTE LMAP,[LMAP ]INTRUP - PUSHJ P,ILVAL ; GET VALUE - GETYP 0,A ; FRAME? - CAIE 0,TFRAME - JRST NOTM - PUSH TP,A - PUSH TP,B - MOVEI B,-1(TP) - POP P,0 ; RET/STOP SWITCH - JUMPN 0,MAPRC1 ; JUMP IF STOP - PUSHJ P,CHFSWP ; CHECK IT OUT (AND MAYBE SWAP) - PUSH P,[NLOCR] - JRST MAPRC2 -MAPRC1: PUSHJ P,CHFSWP - PUSH P,[NLOCR1] -MAPRC2: HRRZ E,SPSAV(B) ; UNBIND BEFORE RETURN - PUSH TP,$TAB - PUSH TP,C - ADDI E,1 ; FUDGE FOR UNBINDER - PUSHJ P,SSPEC1 ; UNBINDER - HLRE D,(TP) ; FIND NUMBER - JUMPE D,MAPRE1 ; SKIP IF NONE TO MOVE - MOVNS E,D ; AND PLUS IT - HRLI E,(E) ; COMPUTE NEW TP - ADD E,TPSAV(B) ; NEW TP - HRRZ C,TPSAV(B) ; GET OLD TOP - MOVEM E,TPSAV(B) - HRL C,(TP) ; AND NEW BOT - ADDI C,1 - BLT C,(E) ; BRING IT ALL DOWN -MAPRE1: ASH D,-1 ; NO OF ARGS - HRRI TB,(B) ; PREPARE TO FINIS - MOVSI A,TFIX - MOVEI B,(D) - POP P,0 ; GET PC TO GO TO - MOVEM 0,PCSAV(TB) - JRST CONTIN ; BACK TO MAPPER - -NLOCR1: TDZA A,A ; ZER SW -NLOCR: MOVEI A,1 - GETYP 0,(AB) ; CHECK IF BUILDING - CAIN 0,TFALSE - JRST FLUSHM ; REMOVE GOODIES - ADDM B,ARGCNT(P) ; BUMP ARG COUNTER -NLOCR2: JUMPE A,DONEI1 - JRST OUTRLP - -FLUSHM: ASH B,1 ; FLUSH GOODIES DROPPED - HRLI B,(B) - SUB TP,B - JRST NLOCR2 - -NOTM: PUSH TP,$TATOM - PUSH TP,EQUOTE NOT-IN-MAP-FUNCTION - JRST CALER1 - -END - ; THE FOLLOWING INFORMATION IS MEANT AS GUIDE TO THE CARE AND FEEDING -; OF MUDDLE. IT ATTEMPTS TO SPECIFY PROGRAMMING CONVENTIONS AND -; SUPPLY SYMBOLS AND MACROS NEEDED BY ALL MODULES IN A MUDDLE. - -; FOR EFFICIENCY THE STANDARD MODE OF RUNNING IS UNINTERRUPTABLE. -; WITH EXPLICIT CHECKS FOR PENDING INTERRUPTS. THE INTGO MACRO -; PERFORMS THE APPROPRIATE CHECK - -; FOR INTERRUPTS TO WORK IN INTERRUPTABLE CODE, IT MUST -; BE ABSOLUTELY PURE. BETWEEN ANY TWO INSTRUCTIONS OF -; INTERRUPTABLE CODE THERE MAY BE AN INTERUPT IN WHICH -; A COMPACTING GARBAGE COLLECTION MAY OCCUR. -; NOTE: A SCRATCH AC MAY CONTAIN POINTERS TO GC SPACE IN -; INTERRUPTABLE CODE OR DURING AN INTGO IF THE TYPE CODE FOR THAT AC'S -; SLOT IN THE PROCESS VECTOR IS SET TO REFLECT ITS CONTENTS. - -; ALL ATOM POINTERS WILL BE REFERRED TO IN ASSEMBLED CODE BY -; MQUOTE -- FOR NORMAL ATOMS -; EQUOTE -- FOR ERROR COMMENT ATOMS - -; FUNCTION CALLS TO INITIAL FUNCTIONS WILL BE CALLED USING THE FOLLOWING: - -; MCALL N, ;SEE MCALL MACRO -; ACALL AC, ; SEE ACALL MACRO - -; UNLESS PNAME IS NOT A VALID MIDAS SYMBOL, IN WHICH CASE ANOTHER INTERNAL -; NAME WILL BE USED - -; WHEN CALLING A SUBR THROUGH AN INDEX OR INDIRECT, THE UUOS GENERATED -; BY THE MACROS SHOULLD BE USED. -; THESE ARE .MCALL AND .ACALL -- EXAMPLE: -; .ACALL A,@(B) - - - - - - ; ORGANIZATION OF CORE STORAGE IN THE MUDDLE SYSTEM (ENVIRONMENT) - -; 20: SPECIAL CODE FOR UUO AND INTERUPTS - -;CODBOT: WORD CONTAINING LOCATION OF BOTTOMMOST WORD OF IMPURE CODE - -; --IMPURE CODE-- - -;CODTOP: WORD CONTAINING LOCATION OFWORD AFTER LAST WORD OF CODE - -;PARBOT: WORD CONTAINING LOCATION OFBOTTOMMOST LIST - -; --PAIRSS-- - -;PARTOP: WORD CONTAINING LOCATION OFWORD AFTER LAST PAIR WORD - -;VECBOT: WORD CONTAINING LOCATION OFFIRST WORD OF VECTORS - -; --VECTORS-- - -;VECTOP: WORD CONTAINING LOCATION OFWORD AFTER TOPMOST VECTOR -; THE WORD BEFORE VECTOP IS THE DOPE FOR THE LAST VECTOR - -; --GC MARK PDL (SOMETIMES NOT THERE)-- - -;CORTOP: TOP OF LOW-SEGMENT/IMPURE CORE - -;600000: START OF PURE CODE (SHARED ALSO) - -; --PURE CODE-- - -; - - - ; BASIC DATA TYPES PRE-DEFINED IN MUDDLE - -; PRIMITIVE DATA TYPES -; IF T IS A DATA TYPE THEN $T=[T,,0] - -; DATA TYPES ARE ASSIGNED BY THE TYPMAK MACRO IN SOME ARBITRARY ORDER - - -;TLOSE ;ILLEGAL TYPE (USED PRIMARILY FOR ERRORS) -;TFIX ;FIXED POINT -;TFLOAT ;FLOATING POINT -;TCHRS ;WORD OF UP TO 5 ASCII CHARACTERS -;TENTRY ; MARKS BEGINNING OF A FRAME ON TP STACK -;TSUBR ;BUILT IN FUNCTION WITH EVALUATED ARGS -;TFSUBR ;BUILT IN FUNCTION WITH UN-EVALUATED ARGS -;TUNBOU ;TYPE GIVEN TO UNBOUND OR UNASSIGNED ATOM -;TBIND ;MARKS BEGINNING OF BINDING BLOCK ON TP STACK -;TILLEG ;POINTER PREVIOUSLY HERE NOW ILLEGAL -;TTIME ;UNIQUE NUMBER (SEE FLOAD) -;TLIST ;POINTER TO LIST ELEMENT -;TFORM ;POINTER TO LIST ELEMENT BUT USED AS AN EXPRESSION -;TSEG ;SAME AS FORM BUT VALUE IS MUST BE STRUCTURED AND IS USED -; ;AS A SEGMENT -;TEXPR ;POINTER TO LIST ELEMENT BUT USED AS AN INTERPRETIVE FUNCTION -;TFUNAR ;LIKE TEXPR BUT HAS PARTIALLY EVALUATED ARGS -;TLOCL ;LOCATIVE TO LIST ELEMENT (SEE AT,IN AND SETLOC) -;TFALSE ;NOT TRUTH -;TDEFER ;POINTER TO REAL VALUE (ONLY APPEARS AS CAR OF LIST) -;TUVEC ;AOBJN POINTER TO UNIFORM VECTOR -;TOBLS ;AOBJN TO UVEC OF LISTS OF ATOMS. USED AS SYMBOL TABLE -;TVEC ;VECTOR (AOBJN POINTER TO GENERALIZED VECTOR) -;TCHAN ;VECTOR OF INFO DESCRIBING AN I/O CHANNEL -;TLOCV ;LOCATIVE TO GENERAL VECTOR (SEE AT,IN AND SETLOC) -;TTVP ;POINTER TO TRANSFER VECTOR -;TBVL ;BEGINS A VECTOR BINDING ON THE TP STACK -;TTAG ;VECTOR OF INFO SPECIFYING A GENERALIZED TAG -;TPVP ;POINTER TO PROCESS VECTOR -;TLOCI ;POINTER TO ATOM VALUE ON STACK (INTERNAL NOT SEEN BY USER) -;TTP ;POINTER TO MAIN MARKED STACK -;TSP ;POINTER TO CURRENT BINDINGS ON STACK -;TLOCS ;LOCATIVE TO STACK (NOT CURRENTLY USED) -;TPP ;POINTER TO PLANNER PDL (NOT CURRENTLY USED) -;TPLD ;POINTER TO P-STACK (UNMARKED) -;TARGS ;POINTER TO AN ARG BLOCK (HAIRY KLUDGE) -;TAB ;SAVED AB (NOT GIVEN TO USER) -;TTB ;SAVED TB (NOT GIVEN TO USER) -;TFRAME ;USER POINTER TO STACK FRAME -;TCHSTR ;BYTE POINTER TO STRING OF CHARS (COUNT ALSO INCLUDED) -;TATOM ;POINTER TO ATOM -;TLOCD ;USER LOCATIVE TO ATOM VALUE -;TBYTE :POINTER TO ARBITRARY BYTE STRING (NOT CURRENTLY USED) -;TENV ;USER POINTER TO FRAME USED AS AN ENVIRONMENT -;TACT ;USER POINTER TO FRAME FOR A NAMED ACTIVATION -;TASOC ;ASSOCIATION TRIPLE -;TLOCU ;LOCATIVE TO UVECTOR ELEMENT (SEE AT,IN AND SETLOC) -;TLOCS ;LOCATIVE TO A BYTE IN A CHAR STRING (SEE AT,IN AND SETLOC) -;TLOCA ;LOCATIVE TO ELEMENT IN ARG BLOCK -;TENTS ;NOT USED -;TBS ; "" -;TPLDS ; "" -;TPC ; "" -;TINFO ;POINTER TO LIST ELEMENT USED WITH ARG POINTERS -;TNBS ;NOT USED -;TBVLS ;NOT USED -;TCSUBR ;CARE SUBR (USED ONLY WITH CUDDLE SEE -- WJL) -;TWORD ;36-BIT WORD -;TRSUBR ;COMPILED PROGRAM (ACTUALLY A VECTOR POINTER) -;TCODE ;UNIFORM VECTOR OF INSTRUCTIONS -;TCLIST ;NOT USED -;TBITS ;GENERAL BYTE POINTER -;TSTORA ;POINTER TO NON GC IMPURE STUFF -;TPICTU ;E&S CODE IN NON GC SPACE -;TSKIP ;ENVIRONMENT SPLICE -;TLINK ;LEXICAL LINK -;TINTH ;INTERRUPT HEADER -;THAND ;INTERRUPT HANDLER -;TLOCN ;LOCATIVE TO ASSOCIATION -;TDECL ;POINTER TO LIST OF ATOMS AND TYPE DECLARATIONS -;TDISMI ;TYPE MEANING DONT RUN REST OF HANDLERS -;TDCLI ; INTERNAL TYPE FOR SAVED FUNCTION BODY -;TMENT ; POINTER TO MAIN ENTRY OF WHICH THIS IS PART -;TENTER ; NON-MAIN ENTRY TO AN RSUBR -;TSPLICE ; RETURN FROM READ MACRO MEANS SPLICE SUBELEMENTS IN -;TPCODE ; PURE CODE POINTER IN FUNNY FORMAT -;TTYPEW : TYPE WORD -;TTYPEC ; TYPE CODE -;TGATOM ; ATOM WITH GVALUE -;TREADA ; READ ACTIVATION HACK -;TUNWIN ; INTERNAL FOR UNWIND SPEC ON STACK -;TUBIND ; BINDING OF UNSPECIAL ATOM -;TMACRO ; EVAL MACRO - -; STORGE ALLOCATION TYPES. ALLOCATED BY AN "IRP" LATER IN THIS FILE - - -;S1WORD ;UNMARKED STUFF OF NO INTEREST TO AGC -;S2WORD ;POINTERS TO ELEMENTS IN PAIR SPACE (LIST, FORM, EXPR ETC.) -;S2DEFR ;DEFERRED LIST VALUES -;SNWORD ;POINTERS TO UNIFORM VECTORS -;S2NWOR ;POINTERS TO GENERAL VECTORS -;STPSTK ;STACK POINTERS -;SPSTK ;UNMARKED STACK POINTERS -;SARGS ;POINTERS TO ARG BLOCKS (USER) -;SABASE ;POINTER TO ARG BLOCK (INTERNAL) -;STBASE ;POINTER TO FRAME (INTERNAL) -;SFRAME ;POINTER TO FRAME (USER) -;SBYTE ;GENERAL BYTE POINTER -;SATOM ;POINTER TO ATOM -;SLOCID ;POINTER TO VALUE CELL OF ATOM -;SPVP ;PROCESS VECTORS -;SCHSTR ;ASCII BYTE POINTER -;SASOC ;POINTER TO ASSOCIATION BLOCK -;SINFO ;LIST CELL CONTAINING EXTRA ARGBLOCK INFO -;SSTORE ;NON GC STORGAGE POINTER -;SLOCA ;ARG BLOCK LOCATIVE -;SLOCD ;USER VALUE CELL LOCATIVE -;SLOCS ;LOCATIVE TO STRING -;SLOCU ;LOCATIVE TO UVECTOR -;SLOCV ;LOCATIVE TO GENERAL VECTOR -;SLOCL ;LOCATIVE TO LIST ELEENT -;SLOCN ;LOCATIVE TO ASSOCIATION -;SGATOM ;REALLY ATOM BUT SPECIAL GC HACK - -;NOTE: TO FIND OUT IF A GIVEN STORAGE ALLOCATION TYPE NEEDS TO BE DEFERRED, REFER TO -;LOCATION "MKTBS:" OFFSET BY THE STORAGE TYPE. IF IT IS <0, THAT SAT NEEDS TO BE DEFERRED. -; -;ONE WAY TO DO THIS IS TO PUT A REAL TYPE CODE IN AC A AND PUHSJ P,NWORDT -; A WILL CONTAIN 1 IF NO DEFERRED NEEDED OR 2 IF DEFER IS NEEDED - - ; SOME MUDDLE DATA FORMATS - -; FORMAT OF LIST ELEMENT - -; WORD 1: SIGN BIT, RESERVED FOR GARBAGE COLLECTOR -; BITS 1-17 TYPE OF FIRST ELEMENT OF LIST -; BITS 18-35 POINTS TO REST OF LIST (ALWAYS ANOTHER LIST OR 0) -; -; WORD 2: DATUM OF FIRST ELEMENT OF LIST OF TYPE SPECIFIED -; -; IF DATUM REQUIRES 54 BITS TO SPECIFY, TYPE WILL BE "TDEFER" AND -; VALUE WILL BE AN 18 BIT POINTER TO FULL 2 WORD PAIR - - - -;FORMAT OF GENERAL VECTOR (OF N ELEMENTS) -;POINTED INTO BY AOBJN POINTER -;A GENERAL VECTOR HAS FEWER THAN 2^16 ELEMENTS - - -; TYPE<1> TYPE OF FIRST OBJECT (THE RIGHT HALF OF THE TYPE WORD MIGHT BE NONZERO) -; OBJ<1> OBJECT OF SPECIFIED TYPE -; TYPE<2> -; OBJ<2> -; . -; . -; . -; TYPE -; OBJ -; VD(1)-VECTOR DOPE--SIGN-NOT UNIFORM, BITS 1-17 TYPE,,18-35 GROWTH/SHRINKAGE -; VD(2)-VECTOR DOPE--SIGN-G.C.; BITS 1-17 ARE 2*N+1,,18-35 G.C. RELOCATION EITHER UP OR DOWN - - - ;SPECIAL VECTORS IN THE INITIAL SYSTEM - -;THE SYSTEM KEEPS RELEVANT INFORMATION CONCERNING ALL TYPES -;IN A TYPE VECTOR, TYPVEC, WHICH MAY BE INDEXED BY THE TYPE NUMBER -;FOUND IN THE TYPE FIELD OF ANY GOODIE. TABLES APLTYP AND EVLTYP ALSO EXIST -;THEY SPECIFY HOW DIFFERENT TYPES EVAL AND APPLY. - -;TYPE IN AC A, PUSHJ P,SAT RETURNS STORAGE TYPE IN A - -;TYPE TO NAME OF TYPE TRANSLATION TABLE - -; TATOM,,+CHBIT+TMPLBT - -; ATOMIC NAME - -; CHBIT ON MEANS YOU CANT RANDOMLY CHTYPE INTO THIS TYPE -; TMPLBT ON MEANS A TEMPLATE EXISTS DESCRIBING THIS - -;AN ATOM IS A BLOCK IN VECTOR SPACE WITH THE FOLLOWING FORMAT - -; ,,<0 OR BINDID> ; TLOCI MEANS VAL EXISTS. - ; 0 MEANS GLOBAL -; ; BINDID SPECS ENV IN - ; WHICH LOCAL VAL EXISTS -; -; -; -; <400000+SATOM,,0> -; ,,0 (SIGN BIT FOR G.C. RH FOR G.C. RELOCATION) - -;POINTERS TO INITIAL STRUCTURES AND ATOMS NEEDED BY COMPILED CODE -;WILL BE POINTED TO BY THE TRANSFER VECTOR -;A POINTER TO THIS VECTOR ALWAYS EXISTS IN AC TVP -;THE FORMAT OF THIS VECTOR IS: - -; TYPE,,0 -; VALUE -; . -; . -; . -; TV DOPE WORDS - - -;INFORMATION CONCERNING EACH PROCESS IS KEPT IN THE PROCESS VECTOR -;A POINTER TO THE CURRENT PROCESS ALWAYS EXISTS IN AC PVP -;THE FORMAT OF A PROCESS VECTOR IS: - -; TFIX,,0 -; PROCID ;UNIQUE ID OF THIS PROCESS - -; 20 ELEMENTS (I.E. 40 WORDS) CONTAINIG SAVED ACS -; CAN BE REFERENCED SYMBOLICALLY USING SYMBOLS -; OF THE FORM AC!STO(PVP) - -; OTHER PROCESS LOCAL INFO LIKE LEXICAL STATE, PROCESS STATE,LAST RESUMER -; . -; . -; . -; PV DOPE WORDS - - - - -;FORMAT OF PUSH DOWN STACKS USED AND CONVENTIONS - - IF1 [ -PRINTC /MUDDLE - INSERT FILE FOR ALL PROGRAMS -/ -] - -IF2 [PRINTC /MUDDLE -/ -] -;AC ASSIGNMNETS - -P"=17 ;THE UNMARKED PDL POINTER (USED BY THE OUTSIDE WORLD AND MUDDLE) -R"=16 ;REFERENCE BASE FOR RSUBRS -M"=15 ;CODE BASE FOR RSUBRS -SP"=14 ;SPECIAL PDL (USED BY MUDDLE FOR VARIABLE BINDINGS)(SPECIAL PDL IS PART OF TP) -TP"=13 ;MARKED PDL (USED BY MUDDLE FOR ARGS TO FUNCTIONS - ;AND MARKED TEMPORARIES) -TB"=12 ;MARKED PDL BASE POINTER AND CURRENT FRAME POINTER -AB"=11 ;ARGUMENT PDL BASE (MARKED) - ;AB IS AN AOBJN POINTER TO THE ARGUMENTS -TVP"=7 ;TRANSFER VECTOR POINTER -PVP"=6 ;PROCESS VECTOR POINTER - -;THE FOLLOWING ACS ARE 'SCRATCH' FOR MUDDLE - -A"=1 ; A AND B CONTAIN TYPE AND VALUE UPON FUNCTION RETURNS -B"=2 -C"=3 -D"=4 -E"=5 - -NIL"=0 ;END OF LIST MARKER - -;MACRO TO DEFINE MAIN IF NOT DEFINED - -IF1 [ -DEFINE SYSQ - ITS==1 - IFE <<<.AFNM1>_-24.>->,ITS==0 - IFN ITS,[PRINTC /ITS VERSION -/] - IFE ITS,[PRINTC /TENEX VERSION -/] - - TERMIN - -DEFINE DEFMAI ARG,\D - D==.TYPE ARG - IFE ,ARG==0 - EXPUNGE D - TERMIN -] - -DEFMAI MAIN -DEFMAI READER - -IF2,EXPUNGE DEFMAI - - ;DEFINE TYPES AND $TYPES AND IF MAIN NOT 0, MAKE THE $TYPE WORDS - - -IFN MAIN,NUMPRI==-1 - -IF1 [ -NUMPRI==-1 ;NUMBER OF PRIMITIVE TYPES - -DEFINE TYPMAK SAT,LIST -IRP A,,[LIST] -NUMPRI==NUMPRI+1 -IRP B,,[A] -T!B==NUMPRI -.GLOBAL $!T!B -IFN MAIN,[$!T!B=[T!B,,0] -] -.ISTOP -TERMIN -IFN MAIN,[ -RMT [ADDTYP SAT,A -]] -TERMIN -TERMIN - -;MACRO TO ADD STUFF TO TYPE VECTOR - -IFN MAIN,[ -DEFINE ADDTYP SAT,TYPE,NAME,CHF,\CH - IFSE [CHF],CH==0 - IFSN [CHF],CH==CHBIT - IFSE [NAME]IN,CH==CHBIT - IFSN [CHF]-1,[ - TATOM,,CH+SAT - IFSN [NAME],[IFSE [NAME]IN,MQUOTE INTERNAL - IFSN [NAME]IN,MQUOTE [NAME] - ] - IFSE [NAME],MQUOTE TYPE - ] - IFSE [CHF]-1,[ - TATOM,,CH+SAT - IMQUOTE [NAME] - ] - TERMIN -] -] -IF2 [IFE MAIN,[DEFINE TYPMAK SAT,LIST - RMT [EXPUN [LIST] -] - TERMIN -] -] - -;DEFINE THE STORAGE ALLOCATION TYPES IN THE WORLD - - -NUMSAT==0 -GENERAL==400000,,0 ;FLAG FOR BEING A GENERAL VECTOR - -IF1 [ -DEFINE PRMACR HACKER - -IRP A,,[1WORD,2WORD,2DEFRD,NWORD,2NWORD,TPSTK,PSTK,ARGS -ABASE,TBASE,FRAME,BYTE,ATOM,LOCID,PVP,CHSTR,ASOC,INFO,STORE -LOCA,LOCD,LOCS,LOCU,LOCV,LOCL,LOCN,GATOM,LOCT] - -HACKER A - -TERMIN -TERMIN - - - -DEFINE DEFINR B - NUMSAT==NUMSAT+1 - S!B==NUMSAT - TERMIN -] - -PRMACR DEFINR - -STMPLT==NUMSAT+1 - -;MACRO FOR SAVING STUFF TO DO LATER - -.GSSET 4 - -DEFINE HERE G00002,G00003 -G00002!G00003!TERMIN - -IF1 [ -DEFINE RMT A -HERE [DEFINE HERE G00002,G00003 -G00002!][A!G00003!TERMIN] -TERMIN -] - - -RMT [EXPUNGE GENERAL,NUMSTA -] - -DEFINE XPUNGR A - EXPUNGE S!A - TERMIN - -IFE MAIN,[ -RMT [PRMACR XPUNGR -] -] - -C.BUF==1 -C.PRIN==2 -C.BIN==4 -C.OPN==10 -C.READ==40 - -; FLAG INDICATING VECTOR FOR GCHACK - -.VECT.==40000 - -; DEFINE SYMBLOS FOR VARIOUS OBLISTS - -SYSTEM==0 ;MAIN SYSTEM OBLIST -ERRORS==1 ;ERROR COMMENT OBLIST -INTRUP==2 ;INERRUPT OBLIST -MUDDLE==3 ;MUDDLE GLOBAL SYMBOLS (ADDRESSES) - -RMT [EXPUNGE SYSTEM,ERRORS,INTRUP -] -; DEFINE SYMBOLS FOR PROCESS STATES - -RUNABL==1 -RESMBL==2 -RUNING==3 -DEAD==4 -BLOCKED==5 - -IFE MAIN,[RMT [EXPUNGE RESMBL,RUNABL,RUNING,DEAD,BLOCKED -] -] ;BUILD THE TYPE CODES AND ADD STUFF TO TYPVEC AND DEFINE $!TYPE) - -IFN MAIN,[RMT [SAVE==. - LOC TYPVLC - ] - ] - - -TYPMAK S1WORD,[[LOSE],FIX,FLOAT,[CHRS,CHARACTER],[ENTRY,IN],[SUBR,,1],[FSUBR,,1]] -TYPMAK S1WORD,[[UNBOUND,,1],[BIND,IN],[ILLEGAL,,1],TIME] -TYPMAK S2WORD,[LIST,FORM,[SEG,SEGMENT],[EXPR,FUNCTION],[FUNARG,CLOSURE]] -TYPMAK SLOCL,[LOCL] -TYPMAK S2WORD,[FALSE] -TYPMAK S2DEFRD,[[DEFER,IN]] -TYPMAK SNWORD,[[UVEC,UVECTOR],[OBLS,OBLIST,-1]] -TYPMAK S2NWORD,[[VEC,VECTOR],[CHAN,CHANNEL,1]] -TYPMAK SLOCV,[LOCV] -TYPMAK S2NWORD,[[TVP,IN],[BVL,IN],[TAG,,1]] -TYPMAK SPVP,[[PVP,PROCESS]] -TYPMAK STPSTK,[[LOCI,IN],[TP,IN],[SP,IN],[LOCS,IN]] -TYPMAK S2WORD,[[MACRO]] -TYPMAK SPSTK,[[PDL,IN]] -TYPMAK SARGS,[[ARGS,TUPLE]] -TYPMAK SABASE,[[AB,IN]] -TYPMAK STBASE,[[TB,IN]] -TYPMAK SFRAME,[FRAME] -TYPMAK SCHSTR,[[CHSTR,STRING]] -TYPMAK SATOM,[ATOM] -TYPMAK SLOCID,[LOCD] -TYPMAK SBYTE,[BYTE] -TYPMAK SFRAME,[[ENV,ENVIRONMENT],[ACT,ACTIVATION,1]] -TYPMAK SASOC,[ASOC] -TYPMAK SLOCU,[LOCU] -TYPMAK SLOCS,[LOCS] -TYPMAK SLOCA,[LOCA] -TYPMAK S1WORD,[[CBLK,IN]] -TYPMAK STMPLT,[[TMPLT,TEMPLATE]] -TYPMAK SLOCT,[LOCT] - ;THE FOLLOWING TYPES (THROUGH CSUBR) CAN PROBABLY BE RECYCLED -TYPMAK S1WORD,[[PC,IN]] -TYPMAK SINFO,[[INFO,IN]] -TYPMAK SATOM,[[BNDS,IN]] -TYPMAK S2NWORD,[[BVLS,IN]] -TYPMAK S1WORD,[[CSUBR,,1]] - -TYPMAK S1WORD,[[WORD]] -TYPMAK S2NWORD,[[RSUBR,,1]] -TYPMAK SNWORD,[CODE] - ;TYPE CLIST CAN PROBABLY BE RECYCLED -TYPMAK S2WORD,[[CLIST,IN]] -TYPMAK S1WORD,[[BITS]] -TYPMAK SSTORE,[STORAGE,PICTURE] -TYPMAK STPSTK,[[SKIP,IN]] -TYPMAK SATOM,[[LINK,,1]] -TYPMAK S2NWORD,[[INTH,IHEADER,1],[HAND,HANDLER,1]] -TYPMAK SLOCN,[[LOCN,LOCAS]] -TYPMAK S2WORD,[DECL] -TYPMAK SATOM,[DISMISS] -TYPMAK S2WORD,[[DCLI,IN]] -TYPMAK S2NWORD,[[ENTER,RSUBR-ENTRY,1]] -TYPMAK S2WORD,[SPLICE] -TYPMAK S1WORD,[[PCODE,PCODE,1],[TYPEW,TYPE-W,1],[TYPEC,TYPE-C,1]] -TYPMAK SGATOM,[[GATOM,IN]] -TYPMAK SFRAME,[[READA,,1]] -TYPMAK STBASE,[[UNWIN,IN]] -TYPMAK S1WORD,[[UBIND,IN]] -IFN MAIN,[RMT [LOC SAVE - ] - ] -IF2,EXPUNGE TYPMAK,DOTYPS - -RMT [EQUALS XP EXPUNGE -IF2,XP STMPLT -] -IF1 [ - -DEFINE EXPUN LIST - IRP A,,[LIST] - IRP B,,[A] - EXPUNGE T!B - .ISTOP - TERMIN - TERMIN - TERMIN -] - - -TYPMSK==17777 -MONMSK==TYPMSK#777777 -SATMSK==777 -CHBIT==1000 -TMPLBT==2000 - -IF1 [ -DEFINE GETYP AC,ADR - LDB AC,[221500,,ADR] - TERMIN - -DEFINE GETYPF AC,ADR - LDB AC,[003700,,ADR] - TERMIN - -DEFINE MONITO - .WRMON==200000 - .RDMON==100000 - .EXMON== 40000 - .GLOBAL .MONWR,.MONRD,.MONEX - RMT [IF2 IFE MAIN, XP .WRMON,.RDMON,.EXMON -] - TERMIN -] - -IFN MAIN,MONITO - -IFE MAIN,[RMT [XP SATMSK,TYPMSK,MONMSK,CHBIT -] -] - ;MUDDLE WIDE GLOBALS - -;DEFINE ENTRIES IN PROCESS VECTOR AS BEING GLOBAL - -IF1 [ -IRP A,,[0,A,B,C,D,E,PVP,TVP,TP,TB,AB,P,PB,SP,M,R] -.GLOBAL A!STO -TERMIN - -.GLOBAL CALER1,FINIS,VECTOP,VECBOT,INTFLG - -;GLOBALS FOR MACROS IN VECTOR AND PAIR SPACE - -.GLOBAL VECLOC,PARLOC,TVBASE,TVLOC,PVLOC,PVBASE,SQUTBL,SQULOC -.GLOBAL PARTOP,CODTOP,HITOP,HIBOT,SPECBIND,LCKINT -.GLOBAL GETWNA,WNA,TFA,TMA,WRONGT,WTYP,WTYP1,WTYP2,WTYP3,CALER,CALER1 -] - - -;STORAGE ALLOCATIN SPECIFICATION GLOBALS - -NSUBRS==600. ; ESTIMATE OF # OF SUBRS IN WOLD -TPLNT"==2000 ;TEMP PDL LENGTHH -GSPLNT==2000 ;INITIAL GLOBAL SP -GCPLNT"==100. ;GARBAGE COLLECTOR'S PDL LENGTH -PVLNT"==100 ;LENGTH OF INITIAL PROCESS VECTOR -TVLNT"==6000 ;MAX TRANSFER VECTOR -ITPLNT"==100 ;TP FOR GC -PLNT"==1000 ;PDL FOR USER PROCESS - -;LOCATIONS OF VARIOUS STORAGE AREAS - -PARBASE"==32000 ;START OF PAIR SPACE -VECBASE"==44000 ;START OF VECTOR SPACE -IFN MAIN,[PARLOC"==PARBASE -VECLOC"==VECBASE -] - -;INITIAL MACROS - -;SYMBLOS ASSOCIATED WITH STACK FRAMES -;TB POINTS TO CURRENT FRAME, THE SYMBOLS BELOW ARE OFFSETS ON TB - -FRAMLN==7 ;LENGTH OF A FRAME -FSAV==-7 ;POINT TO CALLED FUNCTION -OTBSAV==-6 ;POINT TO PREVIOUS FRAME AND CONTAINS TIME -ABSAV==-5 ;ARGUMENT POINTER -SPSAV==-4 ;BINDING POINTER -PSAV==-3 ;SAVED P-STACK -TPSAV==-2 ;TOP OF STACK POINTER -PCSAV==-1 ;PCWORD - -RMT [EXPUNGE FRAMLN -] -IFE MAIN,[RMT [EXPUNGE PCSAV TPSAV SPSAV PSAV ABSAV FSAV OTBSAV -] -] - -;CALL MACRO -; ARGS ARE PUSHED ON THE STACK AS TYPE VALUE PAIRS - -.GLOBAL .MCALL,.ACALL,FINIS,CONTIN,.ECALL,FATINS - -; CALL WITH AN ASSEMBLE TIME KNOWN NUMBER OF ARGUMENTS - -IF1 [ -DEFINE MCALL N,F - .GLOBAL F - IFGE <17-N>,.MCALL N,F - IFL <17-N>,[PRINTC /LOSSAGE AT MCALL - TOO MANY ARGS -/ - .MCALL F - ] - TERMIN - -; CALL WITH RUN TIME KNOWN NUMBER OF ARGS IN AC SPECIFIED BY N - -DEFINE ACALL N,F - .GLOBAL F - .ACALL N,F - TERMIN - -; STANDARD SUBROUTINE RETURN - -; JRST FINIS - -; ARGUMENTS WILL NO LONGER BE ON THE STACK WHEN RETURN HAS HAPPENED -; VALUE SHOULD BE IN A AND B - -;CHECK THAT THE ENTRY POINT WAS CALLED WITH N ARGUMENTS - -DEFINE ENTRY N - IFSN N,,[ - HLRZ A,AB - CAIE A,-2*N - JSP E,GETWNA] -TERMIN - - -; MACROS ASSOCIATED WIT INTERRUPT PROCESSING -;INTERRUPT IF THERE IS A WAITING INTERRUPT - -DEFINE INTGO - SKIPGE INTFLG - JSR LCKINT -TERMIN - -;TO BECOME INTERRUPTABLE - -DEFINE ENABLE - AOSN INTFLG - JSR LCKINT -TERMIN - -;TO BECOME UNITERRUPTABLE - -DEFINE DISABLE - SETZM INTFLG -TERMIN -] - IF1 [ -;MACRO TO BUILD TYPE DISPATCH TABLES EASILY - -DEFINE TBLDIS NAME,DEFAULT,LIST,LNTH - -NAME: - REPEAT LNTH+1,DEFAULT - IRP A,,[LIST] - IRP TYPE,LOCN,[A] - LOC NAME+TYPE - LOCN - .ISTOP - TERMIN - TERMIN - LOC NAME+LNTH+1 -TERMIN - -; DISPATCH FOR NUMPRI GOODIES - -DEFINE DISTBL NAME,DEFAULT,LIST - TBLDIS NAME,DEFAULT,[LIST]NUMPRI - TERMIN - -DEFINE DISTBS NAME,DEFAULT,LIST - TBLDIS NAME,DEFAULT,[LIST]NUMSAT - TERMIN - -] - - -VECFLG==0 -PARFLG==0 - -;MACROS FOR INITIIAL MUDDLE LIST STRUCTURE - -;CHAR STRING MAKER, RETURNS POINTER AND TYPE - -IF1 [ -DEFINE MACHAR NAME,TYPE,VAL,\LNT,WHERE,LAST - TYPE==TCHSTR - VECTGO WHERE - LNT==.LENGTH \NAME!\ - ASCII \NAME!\ - LAST==$." - TCHRS,,0 - $."-WHERE+1,,0 - VAL==LNT,,WHERE - VECRET - -TERMIN -;MACRO TO DEFINE ATOMS - -DEFINE MAKAT NAME,TYAT,VALU,OBLIS,REFER,LOCN,\TVENT,FIRST - FIRST==. - TYAT,,OBLIS - VALU - 0 - ASCII \NAME!\ - 400000+SATOM,,0 - .-FIRST+1,,0 - TVENT==FIRST-.+2,,FIRST - IFSN [LOCN],LOCN==TVENT - ADDTV TATOM,TVENT,REFER - TERMIN - - - - ;MACROS TO SWITCH BACK AND FORTH INTO AND OUT OF VECTOR AND PAIR SPACE -;GENERAL SWITCHER - -DEFINE LOCSET LOCN,RETNAM,NEWLOC,OTHLOC,F1,F2,TOPWRD,\SAVE,SAVEF1,SAVEF2,NEW - - IFE F1,[SAVE==. - LOC NEWLOC - SAVEF2==F2 - IFN F2,OTHLOC==SAVE - F2==0 - DEFINE RETNAM - F1==F1-1 - IFE F1,[NEWLOC==. - F2==SAVEF2 - LOC TOPWRD - NEWLOC - LOC SAVE - ] - TERMIN - ] - - IFN F1,[F1==F1+1 - ] - - IFSN LOCN,,LOCN==. - IFE F1,F1==1 - -TERMIN - - -DEFINE VECTGO LOCN - LOCSET LOCN,VECRET,VECLOC,PARLOC,VECFLG,PARFLG,VECTOP - TERMIN - -DEFINE PARGO LOCN - LOCSET LOCN,PARRET,PARLOC,VECLOC,PARFLG,VECFLG,PARTOP - TERMIN - -DEFINE ADDSQU NAME,\SAVE - SAVE==. - LOC SQULOC - SQUOZE 0,NAME - NAME - SQULOC==. - LOC SAVE - TERMIN - -DEFINE ADDTV TYPE,GOODIE,REFER,\SAVE - SAVE==. - LOC TVLOC - TVOFF==.-TVBASE+1 - TYPE,,REFER - GOODIE - TVLOC==. - LOC SAVE - TERMIN - -;MACRO TO ADD TO PROCESS VECTOR - -DEFINE ADDPV TYPE,GOODIE,OFFS,\SAVE - SAVE==. - LOC PVLOC - PVOFF==.-PVBASE - IFSN OFFS,,OFFS==PVOFF - TYPE,,0 - GOODIE - PVLOC==. - LOC SAVE - TERMIN - - - - - -;MACRO TO DEFINE A FUNCTION ATOM - -DEFINE MFUNCTION NAME,TYPE,PNAME - (TVP) -NAME": - VECTGO DUMMY1 - ADDSQU NAME - IFSE [PNAME],MAKAT NAME,T!TYPE,NAME,SYSTEM, - IFSN [PNAME],MAKAT [PNAME]T!TYPE,NAME,SYSTEM, - VECRET - TERMIN - -; VERSION OF MQUOTE WITH IMPURE BIT ON - -DEFINE IMQUOTE ARG,PNAME,OBLIS,\LOCN - (TVP) - - LOCN==.-1 - VECTGO DUMMY1 - IFSE [PNAME],MAKAT [ARG]<400000+TUNBOU>,0,OBLIS,LOCN - - IFSN [PNAME],MAKAT [PNAME]<400000+TUNBOU>,0,OBLIS,LOCN - VECRET - TERMIN - -;MACRO TO DEFINE QUOTED GOODIE - -DEFINE MQUOTE ARG,PNAME,OBLIS,\LOCN - (TVP) - - LOCN==.-1 - VECTGO DUMMY1 - IFSE [PNAME],MAKAT [ARG]TUNBOU,0,OBLIS,LOCN - IFSN [PNAME],MAKAT [PNAME]TUNBOU,0,OBLIS,LOCN - VECRET - TERMIN - - - - -DEFINE CHQUOTE NAME,\LOCN,TYP,VAL - (TVP) - LOCN==.-1 - MACHAR [NAME]TYP,VAL - ADDTV TYP,VAL,LOCN - - TERMIN - - -; SPECIAL ERROR MQUOTE - -DEFINE EQUOTE ARG,PNAME - MQUOTE ARG,[PNAME]ERRORS TERMIN - - -; MACRO DO .CALL UUOS - -DEFINE DOTCAL NM,LIST,\LOCN - .CALL LOCN - RMT [LOCN==. - SETZ - SIXBIT /NM/ - IRP Q,R,[LIST] - IFSN [R][][Q - ] - - IFSE [R][][\ - ] - TERMIN - ] -TERMIN - -; MACRO TO HANDLE FATAL ERRORS - -DEFINE FATAL MSG/ - FATINS [ASCIZ /: FATAL ERROR MSG  -/] - TERMIN -] - -CHRWD==5 - -IFN READER,[ -NCHARS==177 -;CHARACTER TABLE GENERATING MACROS - -DEFINE SETSYM WRDL,BYTL,COD - WRD!WRDL==& - WRD!WRDL==\<_<<4-BYTL>*7+1>> - TERMIN - -DEFINE INIWRD N,INIT - WRD!N==INIT - TERMIN - -DEFINE OUTWRD N - WRD!N - TERMIN - -;MACRO TO KILL THESE SYMBOLS LATER - -DEFINE KILLWD N - EXPUNGE WRD!N - TERMIN -DEFINE SETMSK N - MSK!N==<177_<<4-N>*7+1>>#<-1> - TERMIN - -;MACRO TO KILL MASKS LATER - -DEFINE KILMSK N - EXPUNGE MSK!N - TERMIN - -NWRDS==/CHRWD - -REPEAT CHRWD,SETMSK \.RPCNT - -REPEAT NWRDS,INIWRD \.RPCNT,004020100402 - -DEFINE OUTTBL - REPEAT NWRDS,OUTWRD \.RPCNT - TERMIN - - -;MACRO TO GENERATE THE DUMMIES EASLILIER - -DEFINE INITCH \DUM1,DUM2,DUM3 - - -DEFINE SETCOD COD,LIST - IRP CHAR,,[LIST] - DUM1==CHAR/5 - DUM2==CHAR-DUM1*5 - SETSYM \DUM1,\DUM2,COD - TERMIN - TERMIN - -DEFINE SETCHR COD,LIST - IRPC CHAR,,[LIST] - DUM3=="CHAR - DUM1==DUM3/5 - DUM2==DUM3-DUM1*5 - SETSYM \DUM1,\DUM2,COD - TERMIN - TERMIN - -DEFINE INCRCO OCOD,LIST - IRP CHAR,,[LIST] - DUM1==CHAR/5 - DUM2==CHAR-DUM1*5 - SETSYM \DUM1,\DUM2,\ - TERMIN - TERMIN - -DEFINE INCRCH OCOD,LIST - IRPC CHAR,,[LIST] - DUM3=="CHAR - DUM1==DUM3/5 - DUM2==DUM3-DUM1*5 - SETSYM \DUM1,\DUM2,\ - TERMIN - TERMIN - RMT [EXPUNGE DUM1,DUM2,DUM3 - REPEAT NWRDS,KILLWD \.RPCNT - REPEAT CHRWD,KILMSK \.RPCNT -] - -TERMIN - -INITCH -] - -;REDEFINE END DO ALL THE REMOTES (ON LAST PASS ONLY) - -EQUALS E.END END - -DEFINE END ARG - EQUALS END E.END - CONSTANTS - - IMPURE - VARIABLES - PURE - HERE - .LNKOT - IF2 GEXPUN - CONSTANTS - IMPURE - VARIABLES - CODEND==. - LOC CODTOP - CODEND - LOC CODEND - PURE - CODEND==. - LOC HITOP - CODEND - LOC CODEND - IF2 EXPUNGE PARFLG,VECFLG,CHRWD,NN,NUMPRI,PURITY,EAD,ACD,PUSHED - IF2 EXPUNGE INSTNT,DUMMY1,PRIM,PPLNT,GSPLNT,MEDIAT - END ARG - TERMIN - - -;MACROS TO PRINT VERSIONS OF PROGRAMS DURING ASSEMBLY - -IF1 [ -DEFINE NUMGEN SYM,\REST,N - NN==NN-1 - N==&77 - REST== - IFN N,IFGE <31-N>,IFGE ,TOTAL==TOTAL*10.+ - IFN NN,NUMGEN REST - EXPUNGE N,REST - TERMIN - -DEFINE VERSIO N - PRINTC /VERSION = N -/ - TERMIN -] - -TOTAL==0 -NN==7 - -NUMGEN .FNAM2 - -IF1 [ -RADIX 10. - -VERSIO \TOTAL - -RADIX 8 -PROGVN==TOTAL - - -DEFINE VATOM SYM,\LOCN,TV,A,B - VECTGO - LOCN==. - TFIX,,MUDDLE - PROGVN - 0 - A==<<<&77>+40>_29.> - B==<&77> - IFN B,A==A+<_22.> - B==<&77> - IFN B,A==A+<_15.> - B==<&77> - IFN B,A==A+<_8.> - B==<&77> - IFN B,A==A+<_1.> - A - IFN ,<+40>_29. - 400000+SATOM,, - .-LOCN+1,,0 - TV==LOCN-.+2,,LOCN - ADDTV TATOM,TV,0 - VECRET - TERMIN - -;VATOM .FNAM1 ;"HACK REMOVED FOR EFFICIENCY" - - -;MACRO TO REMMVE SYMBOLS OF THE FORM "GXXXXX" - -DEFINE GEXPUN \SYM - NN==7 - TOTAL==0 - NUMGEN \ - RADIX 10. - .GSSET 0 - REPEAT TOTAL,XXP - RADIX 8 -TERMIN - -DEFINE XXP \A - EXPUNGE A - TERMIN - - -DEFINE ..LOC NEW,OLD - .LIFS .LPUR"+.LIMPU" - OLD!"==$." - LOC NEW!" - .ELDC - .LIFS -.LPUR" - LOC $." - .ELDC - .LIFS -.LIMPU - LOC $." - .ELDC - TERMIN - - -; PURE - MACRO TO SWITCH LOADING TO PURE CORE. - -DEFINE PURE - IFE PURITY-1, ..LOC .LPUR,.LIMPU - PURITY==0 - TERMIN - -; IMPURE - MACRO TO SWITCH LOADING TO IMPURE CORE. - -DEFINE IMPURE - IFE PURITY, ..LOC .LIMPU,.LPUR - PURITY==1 - TERMIN -] -PURITY==0 - -TITLE MUDEX -- TENEX DEPENDANT MUDDLE CODE - -RELOCATABLE - -.INSRT MUDDLE > -.INSRT STENEX > - -MFORK==400000 - -MONITS==1 - -.GLOBAL %SSNAM,%RSNAM,%KILLM,%LOGOU,%SLEEP,%VALRE,NOTTY,MSGTYP,TTYOP2 -.GLOBAL %UNAM,%JNAM,%RUNAM,%RJNAM,%GCJOB,%SHWND,%SHFNT,%GETIP,%INFMP -.GLOBAL GCHN,WNDP,FRNP,MESSAG,INITFL,6TOCHS,SGSNAM,MTYO,PGINT,WHOAMI -.GLOBAL %TOPLQ,IBLOCK,TMTNXS,TNXSTR,%HANG,ILLUUO,UUOH,IPCINI,CTIME,BFLOAT -.GLOBAL GCRSET - -GCHN==0 -WRTP==1000,,100000 -GCHI==1000,,GCHN -CRJB==1000,,400001 -FME==1000,,-1 -FLS==1000,, - -CTIME: JOBTM ; get run time in milli secs - MOVE B,A - JSP A,BFLOAT ; Convert to floating - FDVRI B,(1000.0) ; Change to units of seconds - MOVSI A,TFLOAT - POPJ P, - -; SET THE SNAME GLOBALLY - -%SSNAM: POPJ P, - -; READ THE GLOBAL SNAME - -%RSNAM: POPJ P, - -; KILL THE CURRENT JOB - -%KILLM: HALTF - POPJ P, - -; PASS STRING TO SUPERIOR (MONITOR?) - -%VALRE: HALTF - POPJ P, - -; LOGOUT OF SYSTEM (MUST BE "TOP LEVEL") - -%LOGOU: LGOUT - POPJ P, - -; GO TO SLEEP A WHILE - -%SLEEP: IMULI A,33. ; TO MILLI SECS - DISMS - POPJ P, - -; HANG FOR EVER - -%HANG: WAIT - -; READ JNAME - -%RJNAM: POPJ P, - -; READ UNAME - -%RUNAM: POPJ P, - -; HERE TO SEE IF WE ARE A TOP LEVEL JOB - -%TOPLQ: GJINF - SKIPGE D - AOS (P) - POPJ P, - -; GET AN INFERIOR FOR THE GARBAGE COLLECTOR - -%GCJOB: PUSH P,A - MOVEI A,200000 ; GET BITS FOR FORK - CFORK ; MAKE AN IFERIOR FORK - FATAL CANT GET GC FORK - MOVEM A,GCFRK ; SAVE HANDLE - POP P,A ; RESTORE PAGE - PUSHJ P,%GETIP ; GET IT THERE - PUSHJ P,%SHWND - JRST %SHFNT ; AND FRONTIER - -; HERE TO GET A PAGE FOR THE INFERIOR - -%GETIP: POPJ P, - -; HERE TO SHARE WINDOW - -%SHWND: TDZA 0,0 ; FLAG SAYING WINDOW - -; HERE TO SHARE FRONTIER - -%SHFNT: MOVEI 0,1 - PUSH P,A - PUSH P,B - PUSH P,C - MOVEI B,2*FRNP ; FRONTIER (REMEMBER TENEX PAGE SIZE) - SKIPN 0 - MOVEI B,2*WNDP ; NO,WINDOW - HRLI B,MFORK - ASH A,1 ; TIMES 2 - HRL A,GCFRK - MOVSI C,140000 ; READ AND WRITE ACCESS - - PMAP - ADDI A,1 - ADDI B,1 - PMAP - ASH B,9. ; POINT TO PAGE - MOVES (B) ; CLOBBER TOP - MOVES -1(B) ; AND UNDER - POP P,C - POP P,B - POP P,A - POPJ P, - -; HERE TO MAP INFERIOR BACK AND KILL SAME - -%INFMP: PUSH P,C - PUSH P,D - PUSH P,E - ASH A,1 - ASH B,1 - MOVE D,A ; POINT TO PAGES - MOVE E,B ; FOR COPYING - PUSH P,A ; SAVE FOR TOUCHING - MOVS A,GCFRK - MOVSI B,MFORK - MOVSI C,120400 ; READ AND WRITE COPY - -LP1: HRRI A,(E) - HRRI B,(D) - PMAP - ADDI E,1 - AOBJN D,LP1 - -; HERE TO TOUCH PAGES TO INSURE KEEPING THEM (KLUDGE) - - POP P,E ; RESTORE MY FIRST PAGE # - MOVEI A,(E) ; COPY FOR LOOP - ASH A,9. ; TO WORD ADDR - MOVES (A) ; WRITE IT - AOBJN E,.-3 ; FOR ALL PAGES - - MOVE A,GCFRK - KFORK - POP P,E - POP P,D - POP P,C - POPJ P, - -; HACK TO PRINT MESSAGE OF INTEREST TO USER - -MESOUT: MOVSI A,(JFCL) - MOVEM A,MESSAG ; DO ONLY ONCE - MOVEI A,400000 - MOVE B,[1,,ILLUUO] - MOVE C,[40,,UUOH] - SCVEC - SETZ SP, ; HACK TO AVOID LOSSAGE WITH GARBAGE IN SP FIRST TIME - PUSHJ P,GCRSET - PUSHJ P,PGINT ; INITIALIZE PAGE MAP - RESET - PUSHJ P,TTYOP2 - SKIPE NOTTY ; HAVE A TTY? - JRST RESNM ; NO, SKIP THIS STUFF - - MOVEI A,MESBLK - MOVEI B,0 - GTJFN - JRST RESNM - MOVE B,[70000,,200000] - OPENF - JRST RESNM - -MSLP: BIN - MOVE D,B ; SAVE BYTE - GTSTS - TLNE B,1000 - JRST RESNM - EXCH D,A - CAIN A,14 - PBOUT - MOVE A,D - JRST MSLP - -RESNM2: CLOSF - JFCL - -RESNM: -RESNM1: POPJ P, - -MESBLK: 100000,, - 377777,,377777 - -1,,[ASCIZ /DSK/] - -1,,[ASCIZ /VEZZA/] - -1,,[ASCIZ /MUDDLE/] - -1,,[ASCIZ /MESSAG/] - 0 - 0 - 0 - -MUDINT: MOVSI 0,(JFCL) ; CLOBBER MUDDLE INIT SWITCH - MOVEM 0,INITFL - - GJINF ; GET INFO NEEDED - PUSHJ P,TMTNXS ; MAKE A TEMP STRING FOR TENEX INFO (POINTER LEFT IN E) - HRROI A,1(E) ; TNX STRING POINTER - DIRST - FATAL ATTACHED DIR DOES NOT EXIST - MOVEI B,1(E) ; NOW HAVE BOUNDS OF STRING - SUBM P,E ; RELATIVIZE E - PUSHJ P,TNXSTR ; MAKE THE STRING - SUB P,E - PUSH TP,$TATOM - PUSH TP,IMQUOTE SNM - PUSH TP,A - PUSH TP,B - MCALL 2,SETG - PUSH TP,$TCHSTR - PUSH TP,CHQUOTE READ - PUSH TP,$TCHSTR - PUSH TP,CHQUOTE MUDDLE.INIT - MCALL 2,FOPEN - GETYP A,A - CAIE A,TCHAN - POPJ P, - PUSH TP,$TCHAN - PUSH TP,B - MOVEI B,INITSTR ; TELL USER WHAT'S HAPPENING - SKIPE WHOAMI - JRST .+3 - SKIPN NOTTY - PUSHJ P,MSGTYP - MCALL 1,MLOAD - POPJ P, - -TMTNXS: POP P,D ; SAVE RET ADDR - MOVE E,P ; BUILD A STRING SPACE ON PSTACK - MOVEI 0,20. ; USE 20 WORDS (=100 CHARS) - PUSH P,[0] - SOJG 0,.-1 - - JRST (D) - - -TNXSTR: SUBI B,(P) - PUSH P,B - ADDI B,-1(P) - SUBI B,(A) ; WORDS TO B - IMULI B,5 ; TO CHARS - LDB 0,[360600,,A] ; GET BYTE POSITION - IDIVI 0,7 ; TO A REAL BYTE POSITION - MOVNS 0 - ADDI 0,5 - SUBM 0,B ; FINAL LENGTH IN BYTES TO B - PUSH P,B ; SAVE IT - MOVEI A,4(B) ; TO WORDS - IDIVI A,5 - PUSHJ P,IBLOCK ; GET STRING - POP P,A - POP P,C - ADDI C,(P) - MOVE D,B ; COPY POINTER - MOVE 0,(C) ; GET A WORD - MOVEM 0,(D) - ADDI C,1 - AOBJN D,.-3 - - HRLI A,TCHSTR - HRLI B,440700 ; MAKE INTO BYTER - POPJ P, - -IPCINI: JFCL -IFN MONITS,[ - -DEMS: SETZ - SIXBIT /DEMSIG/ - SETZ [SIXBIT /MUDSTA/] -] -INITSTR: ASCIZ /MUDDLE INIT/ - -IMPURE - -GCFRK: 0 - -IFN MONITS,[ -MESSDM: 30,,(SIXBIT /IPC/) - .+1 - SIXBIT /MUDDLESTATIS/ - 1 - 1 -] - -MESSAG: PUSHJ P,MESOUT ; MESSAGE SWITCH - -INITFL: PUSHJ P,MUDINT ; MUDDLE INIT SWITCH - -PURE - -END - -TITLE SQUOZE TABLE HANDLER FOR MUDDLE - -RELOCATABLE - -.INSRT MUDDLE > - -.GLOBAL SQUPNT,ATOSQ,SQUTOA - -; POINTER TO TABLE FILLED IN BY INITM - -SQUPNT: 0 - -; GIVEN LOCN OF SUBR RET SQUO NAME ARG AND VAL IN E - -ATOSQ: PUSH P,B - PUSH P,A - MOVE A,SQUPNT ; GET TABLE POINTER - MOVE B,[2,,2] - CAMN E,1(A) - JRST ATOSQ1 - ADD A,B - JUMPL A,.-3 -POPABJ: POP P,B - POP P,A - POPJ P, - -ATOSQ1: MOVE E,(A) - AOS -2(P) - JRST POPABJ - -; BINARY SEARCH FOR SQUOZE SYMBOL ARG IN E - -SQUTOA: PUSH P,A - PUSH P,B - PUSH P,C - - MOVE A,SQUPNT ; POINTER TO TABLE - HLRE B,SQUPNT - MOVNS B - HRLI B,(B) ; B IS CURRENT OFFSET - -UP: ASH B,-1 ; HALVE TABLE - AND B,[-2,,-2] ; FORCE DIVIS BY 2 - MOVE C,A ; COPY POINTER - JUMPLE B,LSTHLV ; CANT GET SMALLER - ADD C,B - CAMLE E,(C) ; SKIP IF EITHER FOUND OR IN TOP - MOVE A,C ; POINT TO SECOND HALF - CAMN E,(C) ; SKIP IF NOT FOUND - JRST WON - CAML E,(C) ; SKIP IF IN TOP HALF - JRST UP - HLLZS C ; FIX UP OINTER - SUB A,C - JRST UP - -WON: MOVE E,1(C) ; RET VAL IN E - AOS -3(P) ; SKIP RET -WON1: POP P,C - POP P,B - POP P,A - POPJ P, - -LSTHLV: CAMN E,(C) ; LINEAR SERCH REST - JRST WON - ADD C,[2,,2] - JUMPL C,.-3 - JRST WON1 ; ALL GONE, LOSE - -END - -TITLE MODIFIED AFREE FOR MUDDLE - -RELOCATABLE - -.INSRT MUDDLE > - -.GLOBAL CAFREE,CAFRET,PARNEW,AGC,PARBOT,CODTOP,CAFRE1 -.GLOBAL STOGC,STOSTR,CAFRE,ISTOST,STOLST,SAT,ICONS,BYTDOP -.GLOBAL FLIST,STORIC -MFUNCTION FREEZE,SUBR - - ENTRY 1 - - GETYP A,(AB) ; get type of it - PUSH TP,(AB) ; save a copy - PUSH TP,1(AB) - PUSH P,[0] ; flag for tupel freeze - PUSHJ P,SAT ; to SAT - MOVEI B,0 ; final type - CAIN A,SNWORD ; check valid types - MOVSI B,TUVEC ; use UVECTOR - CAIN A,S2NWOR - MOVSI B,TVEC - CAIN A,SARGS - MOVSI B,TVEC - CAIN A,SCHSTR - MOVSI B,TCHSTR - JUMPE B,WTYP1 - PUSH P,B ; save final type - CAME B,$TCHSTR ; special chars hack - JRST OK.FR - HRR B,(AB) ; fixup count - MOVEM B,(P) - - MOVEI C,(TB) ; point to it - PUSHJ P,BYTDOP ; A==> points to dope word - HRRO B,1(TB) - SUBI A,1(B) ; A==> length of block - TLC B,-1(A) - MOVEM B,1(TB) ; and save - MOVSI 0,TUVEC - MOVEM 0,(TB) - -OK.FR: HLRE A,1(TB) ; get length - MOVNS A - PUSH P,A - ADDI A,2 - PUSHJ P,CAFREE ; get storage - HRLZ B,1(TB) ; set up to BLT - HRRI B,(A) - POP P,C - ADDI C,(A) ; compute end - BLT B,(C) - MOVEI B,(A) - HLL B,1(AB) - POP P,A - JRST FINIS - - -CAFRE: PUSH P,A - HRRZ E,STOLST+1(TVP) - SETZB C,D - PUSHJ P,ICONS ; get list element - PUSH TP,$TLIST ; and save - PUSH TP,B - MOVE A,(P) ; restore length - ADDI A,2 ; 2 more for dope words - PUSHJ P,CAFREE ; get the core and dope words - POP P,B ; restore count - MOVNS B ; build AOBJN pointer - MOVSI B,(B) - HRRI B,(A) - MOVE C,(TP) - MOVEM B,1(C) ; save on list - MOVSI 0,TSTORA ; and type - HLLM 0,(C) - HRRZM C,STOLST+1(TVP) ; and save as new list - SUB TP,[2,,2] - POPJ P, - -CAFRE1: PUSH P,A - ADDI A,2 - PUSHJ P,CAFREE - HRROI B,(A) ; pointer to B - POP P,A ; length back - TLC B,-1(A) - POPJ P, - -CAFREE: IRP AC,,[B,C,D,E] - PUSH P,AC - TERMIN - SKIPG A ; make sure arg is a winner - FATAL BAD CALL TO CAFREE - MOVSI A,(A) ; count to left half for search - MOVEI B,FLIST ; get first pointer - HRRZ C,(B) ; c points to next block -CLOOP: CAMG A,(C) ; skip if not big enough - JRST CONLIS ; found one - MOVEI D,(B) ; save in case fall out - MOVEI B,(C) ; point to new previous - HRRZ C,(C) ; next block - JUMPN C,CLOOP ; go on through loop - HLRZ E,A ; count to E - CAMGE E,STORIC ; skip if a area or more - MOVE E,STORIC ; else use a whole area - MOVE C,PARBOT ; foun out if any funny space - SUB C,CODTOP ; amount around to C - CAMLE C,E ; skip if must GC - JRST CHAVIT ; already have it - SUBI E,-1(C) ; get needed from agc - MOVEM E,PARNEW ; funny arg to AGC - PUSH P,A - MOVE C,[7,,6] ; SET UP AGC INDICATORS - PUSHJ P,AGC ; collect that garbage - SETZM PARNEW ; dont do it again - AOJL A,GCLOS ; couldn't get core - POP P,A - -; Make sure pointers still good after GC - - MOVEI D,FLIST - HRRZ B,(D) - - HRRZ E,(B) ; next pointer - JUMPE E,.+4 ; end of list ok - MOVEI D,(B) - MOVEI B,(E) - JRST .-4 ; look at next - -CHAVIT: MOVE E,PARBOT ; find amount obtained - SUBI E,1 ; dont use a real pair - MOVEI C,(E) ; for reset of CODTOP - SUB E,CODTOP - EXCH C,CODTOP ; store it back - CAIE B,(C) ; did we simply grow the last block? - JRST CSPLIC ; no, splice it in - HLRZ C,(B) ; length of old guy - ADDI C,(E) ; total length - ADDI B,(E) ; point to new last dope word - HRLZM C,(B) ; clobber final length in - HRRM B,(D) ; and splice into free list - MOVEI C,(B) ; reset acs for reentry into loop - MOVEI B,(D) - JRST CLOOP - -; Here to splice new core onto end of list. - -CSPLIC: MOVE C,CODTOP ; point to end of new block - HRLZM E,(C) ; store length of new block in dope words - HRRM C,(D) ; D is old previous, link it up - MOVEI B,(D) ; and reset B for reentry into loop - JRST CLOOP - -; here if an appropriate block is on the list - -CONLIS: HLRZS A ; count back to a rh - HLRZ D,(C) ; length of proposed block to D - CAIN A,(D) ; skip if they are different - JRST CEASY ; just splice it out - MOVEI B,(C) ; point to block to be chopped up - SUBI B,-1(D) ; point to beginning of same - SUBI D,(A) ; amount of block to be left to D - HRLM D,(C) ; and fix up dope words - ADDI B,-1(A) ; point to end of same - HRLZM A,(B) - HRRM B,(B) ; for GC benefit - -CFREET: CAIE A,1 ; if more than 1 - SETZM -1(B) ; make tasteful dope worda - SUBI B,-1(A) - MOVEI A,(B) - IRP AC,,[E,D,C,B] - POP P,AC - TERMIN - POPJ P, - -CEASY: MOVEI D,(C) ; point to block to return - HRRZ C,(C) ; point to next of same - HRRM C,(B) ; smash its previous - MOVEI B,(D) ; point to block with B - HRRM B,(B) ; for GC benefit - JRST CFREET - -GCLOS: PUSH TP,$TATOM - PUSH TP,EQUOTE NO-MORE-STORAGE - JRST CALER1 - -CAFRET: HRROI B,(B) ; prepare to search list - TLC B,-1(A) ; by making an AOBJN pointer - HRRZ C,STOLST+1(TVP) ; start of list - MOVEI D,STOLST+1(TVP) - -CAFRTL: JUMPE C,CPOPJ ; not founc - CAME B,1(C) ; this it? - JRST CAFRT1 - HRRZ C,(C) ; yes splice it out - HRRM C,(D) ; smash it -CPOPJ: POPJ P, ; dont do anything now - -CAFRT1: MOVEI D,(C) - HRRZ C,(C) - JRST CAFRTL - -; Here from GC to collect all unused blocks into free list - -STOGC: SETZB C,E ; zero current length and pointer - MOVE A,CODTOP ; get high end of free space - -STOGCL: CAIG A,STOSTR ; end? - JRST STOGCE ; yes, cleanup and leave - - HLRZ 0,(A) ; get length - ANDI 0,377777 - SKIPGE (A) ; skip if a not used block - JRST STOGC1 ; jump if marked - - JUMPE C,STOGC3 ; jump if no block under construction - ADD C,0 ; else add this length to current - JRST STOGC4 - -STOGC3: MOVEI B,(A) ; save pointer - MOVE C,0 ; init length - -STOGC4: SUB A,0 ; point to next block - JRST STOGCL - -STOGC1: ANDCAM D,(A) ; kill mark bit - JUMPE C,STOGC4 ; if no block under cons, dont fix - HRLM C,(B) ; store total block length - HRRM E,(B) ; next pointer hooked in - MOVEI E,(B) ; new next pointer - MOVEI C,0 - JRST STOGC4 - -STOGCE: JUMPE C,STGCE1 ; jump if no current block - HRLM C,(B) ; smash in count - HRRM E,(B) ; smash in next pointer - MOVEI E,(B) ; and setup E - -STGCE1: HRRZM E,FLIST+1 ; final link up - POPJ P, - -IMPURE - -FLIST: .+1 - ISTOST - -PURE - -END - -TITLE FLOATB--CONVERT FLOATING NUMBER TO ASCII STRING - -RELOCA - -.GLOBAL FLOATB - -ACNUM==1 - -IRP A,,[A,B,C,D,E,F,G,H,I,J] -A==ACNUM -ACNUM==ACNUM+1 -TERMIN - -P==17 - -TEM1==I - -EXPUNGE ACNUM - -FLOATB: PUSH P,B - PUSH P,C - PUSH P,D - PUSH P,F - PUSH P,G - PUSH P,H - PUSH P,I - PUSH P,0 - PUSH P,J - MOVSI 0,440700 ; BUILD BYTEPNTR - HLRZ J,A ; POINT TO BUFFER - HRRI 0,1(J) - MOVE A,(A) ; GET NUMBER - MOVE D,A - SETZM (J) ; Clear counter - PUSHJ P,NFLOT - POP P,J - POP P,0 - POP P,I - POP P,H - POP P,G - POP P,F - POP P,D - POP P,C - POP P,B - POPJ P, - -; at this point we enter code abstracted from DDT. -NFLOT: JUMPG A,TFL1 - JUMPE A,FP1A - MOVNS A - PUSH P,A - MOVEI A,"- - PUSHJ P,CHRO - POP P,A - TLZE A,400000 - JRST FP1A - -TFL1: MOVEI B,0 -TFLX: CAMGE A,FT01 - JRST FP4 - CAML A,FT8 - AOJA B,FP4 -FP1A: -FP3: SETZB C,TEM1 ; CLEAR DIGIT CNTR, C TO RECEIVE FRACTION - MULI A,400 - ASHC B,-243(A) - MOVE A,B - PUSHJ P,FP7 - PUSH P,A - MOVEI A,". - PUSHJ P,CHRO - POP P,A - MOVNI A,10 - ADD A,TEM1 - MOVE E,C -FP3A: MOVE D,E - MULI D,12 - PUSHJ P,FP7B - SKIPE E - AOJL A,FP3A - POPJ P, ; ONE return from OFLT here - -FP4: MOVNI C,6 - MOVEI F,0 -FP4A: ADDI F,1(F) - XCT FCP(B) - SOSA F - FMPR A,@FCP+1(B) - AOJN C,FP4A - PUSH P,EXPSGN(B) - PUSHJ P,FP3 - PUSH P,A - MOVEI A,"E - PUSHJ P,CHRO - POP P,A - POP P,D - PUSHJ P,FDIGIT - MOVE A,F - -FP7: SKIPE A ; AVOID AOSING TEM1, NOT SIGNIFICANT DIGIT - AOS TEM1 - IDIVI A,12 - HRLM B,(P) - JUMPE A,FP7A1 - PUSHJ P,FP7 - -FP7A1: HLRZ D,(P) -FP7B: ADDI D,"0 - -; type digit -FDIGIT: PUSH P,A - MOVE A,D - PUSHJ P,CHRO - POP P,A - POPJ P, - -CHRO: AOS (J) ; COUNT CHAR - IDPB A,0 ; STUFF CHAR - POPJ P, - -; constants - 1.0^32. - 1.0^16. -FT8: 1.0^8 - 1.0^4 - 1.0^2 - 1.0^1 -FT: 1.0^0 - 1.0^-32. - 1.0^-16. - 1.0^-8 - 1.0^-4 - 1.0^-2 -FT01: 1.0^-1 -FT0=FT01+1 - -; instructions -FCP: CAMLE A, FT0(C) - CAMGE A, FT(C) - 0, FT0(C) - -EXPSGN: "- - "+ - - -EXPUNGE A,B,C,D,E,F,G,H,I,J,TEM1,P - -END - TITLE PRIMITIVE FUNCTIONS FOR THE MUDDLE SYSTEM - -RELOCATABLE - -.INSRT MUDDLE > - -.GLOBAL TMA,TFA,CELL,IBLOCK,IBLOK1,ICELL2,VECTOP -.GLOBAL NWORDT,CHARGS,CHFRM,CHLOCI,IFALSE,IPUTP,IGETP,BYTDOP -.GLOBAL OUTRNG,IGETLO,CHFRAM,ISTRUC,TYPVEC,SAT,CHKAB,VAL,CELL2,MONCH,MONCH0 -.GLOBAL RMONCH,RMONC0,LOCQ,LOCQQ,SMON,PURERR,APLQ,NAPT,TYPSEG,NXTLM -.GLOBAL MAKACT,ILLCHO,COMPER,CEMPTY,CIAT,CIEQUA,CILEGQ,CILNQ,CILNT,CIN,CINTH,CIREST -.GLOBAL CISTRU,CSETLO,CIPUT,CIGET,CIGETL,CIMEMQ,CIMEMB,CIMON,CITOP,CIBACK -.GLOBAL IGET,IGETL,IPUT,CIGETP,CIGTPR,CINEQU,IEQUAL,TD.LNT,TD.GET,TD.PUT,TD.PTY -.GLOBAL TMPLNT,ISTRCM - -; BUILD DISPATCH TABLE FOR PRIMITIVE FUNCTIONS USAGE - -PRMTYP: - -REPEAT NUMSAT,[0] ;INITIALIZE TABLE TO ZEROES - -IRP A,,[2WORD,2NWORD,NWORD,ARGS,CHSTR,BYTE] - -LOC PRMTYP+S!A -P!A==.IRPCN+1 -P!A - -TERMIN - -PTMPLT==PBYTE+1 - -; FUDGE FOR STRUCTURE LOCATIVES - -IRP A,,[[LOCL,2WORD],[LOCV,2NWORD],[LOCU,NWORD],[LOCS,CHSTR],[LOCA,ARGS] -[LOCT,TMPLT]] - IRP B,C,[A] - LOC PRMTYP+S!B - P!B==P!C,,0 - P!B - .ISTOP - TERMIN -TERMIN - -LOC PRMTYP+SSTORE ;SPECIAL HACK FOR AFREE STORAGE -PNWORD - -LOC PRMTYP+NUMSAT+1 - -PNUM==PTMPLT+1 - -; MACRO TO BUILD PRIMITIVE DISPATCH TABLES - -DEFINE PRDISP NAME,DEFAULT,LIST - TBLDIS NAME,DEFAULT,[LIST]PNUM - TERMIN - - -; SUBROUTINE TO RETURN PRIMITIVE TYPE AND PRINT ERROR IF ILLEGAL - -PTYPE: GETYP A,(B) ;CALLE D WITH B POINTING TO PAIR - CAIN A,TILLEG ;LOSE IF ILLEGAL - JRST ILLCHOS - - PUSHJ P,SAT ;GET STORAGE ALLOC TYPE - CAIE A,SLOCA - CAIN A,SARGS ;SPECIAL HAIR FOR ARGS - PUSHJ P,CHARGS - CAIN A,SFRAME - PUSHJ P,CHFRM - CAIN A,SLOCID - PUSHJ P,CHLOCI -PTYP1: MOVEI 0,(A) ; ALSO RETURN PRIMTYPE - CAILE A,NUMSAT ; SKIP IF NOT TEMPLATE - SKIPA A,[PTMPLT] - MOVE A,PRMTYP(A) ;GET PRIM TYPE, - POPJ P, - -; COMPILERS CALL TO ABOVE (LESS CHECKING) - -CPTYPE: PUSHJ P,SAT - MOVEI 0,(A) - CAILE A,NUMSAT - SKIPA A,[PTMPLT] - MOVE A,PRMTYP(A) - POPJ P, - - -MFUNCTION SUBSTRUC,SUBR - - ENTRY - JUMPGE AB,TFA ;need at least one arg - CAMGE AB,[-10,,0] ;NO MORE THEN 4 - JRST TMA - MOVE B,AB - PUSHJ P,PTYPE ;get primtype in A - PUSH P,A - JRST @TYTBL(A) - -RESSUB: CAMLE AB,[-2,,0] ;if only one arg skip rest - JRST @COPYTB(A) - HLRZ B,(AB)2 ;GET TYPE - CAIE B,TFIX ;IF FIX OK - JRST WRONGT - MOVE B,(AB)1 ;ptr to object of resting - MOVE C,(AB)3 ;# of times to rest - MOVEI E,(A) - MOVE A,(AB) - PUSHJ P,@MRSTBL(E) - PUSH TP,A ;type - PUSH TP,B ;put rested sturc on stack - JRST ALOCOK - -PRDISP TYTBL,IWTYP1,[[P2WORD,RESSUB],[P2NWORD,RESSUB] -[PNWORD,RESSUB],[PCHSTR,RESSUB]] - -PRDISP MRSTBL,IWTYP1,[[P2WORD,LREST],[P2NWORD,VREST] -[PNWORD,UREST],[PCHSTR,SREST]] - -PRDISP COPYTB,IWTYP1,[[P2WORD,CPYLST],[P2NWORD,CPYVEC] -[PNWORD,CPYUVC],[PCHSTR,CPYSTR]] - -PRDISP ALOCTB,IWTYP1,[[P2WORD,ALLIST],[P2NWORD,ALVEC] -[PNWORD,ALUVEC],[PCHSTR,ALSTR]] - -ALOCFX: MOVE B,(TP) ;missing 3rd arg aloc for "rest" of struc - MOVE C,-1(TP) - MOVE A,(P) - PUSH P,[377777,,-1] - PUSHJ P,@LENTBL(A) ;get length of rested struc - SUB P,[1,,1] - POP P,C - MOVE A,B ;# of elements needed - JRST @ALOCTB(C) - -ALOCOK: CAML AB,[-4,,0] ;exactly 3 args - JRST ALOCFX - HLRZ C,(AB)4 - CAIE C,TFIX ;OK IF TYPE FIX - JRST WRONGT - POP P,C ;C HAS PRIMTYYPE - MOVE A,(AB)5 ;# of elements needed - JRST @ALOCTB(C) ;DO ALLOCATION - - -CPYVEC: HLRE A,(AB)1 ;USE WHEN ONLY ONE ARG - MOVNS A - ASH A,-1 ;# OF ELEMENTS FOR ALLOCATION - PUSH TP,(AB) - PUSH TP,(AB)1 - -ALVEC: PUSH P,A - ASH A,1 - HRLI A,(A) - ADD A,(TP) - CAIL A,-1 ;CHK FOR OUT OF RANGE - JRST OUTRNG - CAMGE AB,[-6,,] ; SKIP IF WE GET VECTOR - JRST ALVEC2 ; USER SUPPLIED VECTOR - MOVE A,(P) - PUSHJ P,IBLOK1 -ALVEC1: MOVE A,(P) ;# OF WORDS TO ALLOCATE - MOVE C,B ; SAVE VECTOR POINTER - ASH A,1 ;TIMES 2 - HRLI A,(A) - ADD A,B ;PTING TO FIRST DOPE WORD -ALLOCATED - CAIL A,-1 - JRST OUTRNG - SUBI A,1 ;ptr to last element of the block - HRL B,(TP) ;bleft-ptr to source , b right -ptr to allocated space - BLT B,(A) - MOVE B,C - POP P,A - SUB TP,[2,,2] - MOVSI A,TVEC - JRST FINIS - -ALVEC2: GETYP 0,6(AB) ; CHECK IT IS A VECTOR - CAIE 0,TVEC - JRST WTYP - HLRE A,7(AB) ; CHECK SIZE - MOVNS A - ASH A,-1 ; # OF ELEMENTS - CAMGE A,(P) ; SKIP IF BIG ENOUGH - JRST OUTRNG - MOVE B,7(AB) ; WINNER, JOIN COMMON CODE - JRST ALVEC1 - -CPYUVC: HLRE A,(AB)1 ;# OF ELEMENTS FOR ALLOCATION - MOVNS A - PUSH TP,(AB) - PUSH TP,1(AB) - -ALUVEC: PUSH P,A - HRLI A,(A) - ADD A,(TP) ;PTING TO DOPE WORD OF ORIG VEC - CAIL A,-1 - JRST OUTRNG - CAMGE AB,[-6,,] ; SKIP IF WE SUPPLY UVECTOR - JRST ALUVE2 - MOVE A,(P) - PUSHJ P,IBLOCK -ALUVE1: MOVE A,(P) ;# of owrds to allocate - HRLI A,(A) - ADD A,B ;LOCATION O FIRST ALLOCATED DOPE WORD - HLR D,(AB)1 ;# OF ELEMENTS IN UVECTOR - MOVNS D - ADD D,(AB)1 ;LOCATION OF FIRST DOPE WORD FOR SOURCE - GETYP E,(D) ;GET UTYPE - CAML AB,[-6,,] ; SKIP IF USER SUPPLIED OUTPUT UVECTOR - HRLM E,(A) ;DUMP UTYPE INTO DOPE WORD OF ALLOC UVEC - CAMGE AB,[-6,,] - CAIN 0,(E) ; 0 HAS USER UVEC UTYPE - JRST .+2 - JRST WRNGUT - CAIL A,-1 - JRST OUTRNG - MOVE C,B ; SAVE POINTER TO FINAL GUY - HRL C,(TP) ;Bleft- ptr to source, Bright-ptr to allocated space - BLT C,-1(A) - POP P,A - MOVSI A,TUVEC - JRST FINIS - -ALUVE2: GETYP 0,6(AB) ; CHECK IT IS A VECTOR - CAIE 0,TUVEC - JRST WTYP - HLRE A,7(AB) ; CHECK SIZE - MOVNS A - CAMGE A,(P) ; SKIP IF BIG ENOUGH - JRST OUTRNG - MOVE B,7(AB) ; WINNER, JOIN COMMON CODE - HLRE A,B - SUBM B,A - GETYP 0,(A) ; GET UTYPE OF USER UVECTOR - JRST ALUVE1 - -CPYSTR: HRR A,(AB) ;#OF CHAR TO COPY - PUSH TP,(AB) ;ALSTR EXPECTS STRING IN TP - PUSH TP,1(AB) - -ALSTR: PUSH P,A - HRRZ 0,-1(TP) ;0 IS LENGTH OFF VECTOR - CAIGE 0,(A) - JRST OUTRNG - CAMGE AB,[-6,,] ; SKIP IF WE SUPPLY STRING - JRST ALSTR2 - ADDI A,4 - IDIVI A,5 - PUSHJ P,IBLOCK ;ALLOCATE SPACE - HRLI B,440700 - MOVE A,(P) ; # OF CHARS TO A -ALSTR1: PUSH P,B ;BYTE PTR TO ALOC SPACE - POP TP,C ;PTR TO ORIGINAL STR - POP TP,D ;USELESS -COPYST: ILDB D,C ;GET NEW CHAR - IDPB D,B ;DEPOSIT CHAR - SOJG A,COPYST ;FINISH TRANSFER? - -CLOSTR: POP P,B ;BYTE PTR TO COPY - POP P,A ;# FO ELEMENTS - HRLI A,TCHSTR - JRST FINIS - -ALSTR2: GETYP 0,6(AB) ; CHECK IT IS A VECTOR - CAIE 0,TCHSTR - JRST WTYP - HRRZ A,6(AB) - CAMGE A,(P) ; SKIP IF BIG ENOUGH - JRST OUTRNG - EXCH A,(P) - MOVE B,7(AB) ; WINNER, JOIN COMMON CODE - JRST ALSTR1 - -CPYLST: SKIPN 1(AB) - JRST ZEROLT - PUSHJ P,CELL2 - POP P,C - HRLI C,TLIST ;TP JUNK FOR GAR. COLLECTOR - PUSH TP,C ;TYPE - PUSH TP,B ;VALUE -PTR TO NEW LIST - PUSH TP,C ;TYPE - MOVE C,1(AB) ;PTR TO FIRST ELEMENT OF ORIG. LIST -REPLST: MOVE D,(C) - MOVE E,1(C) ;GET LIST ELEMENT INTO ALOC SPACE - HLLM D,(B) - MOVEM E,1(B) ;PUT INTO ALLOCATED SPACE - HRRZ C,(C) ;UPDATE PTR - JUMPE C,CLOSWL ;END OF LIST? - PUSH TP,B - PUSHJ P,CELL2 - POP TP,D - HRRM B,(D) ;LINK ALLOCATED LIST CELLS - JRST REPLST - -CLOSWL: POP TP,B ;USELESS - POP TP,B ;PTR TO NEW LIST - POP TP,A ;TYPE - JRST FINIS - - - -ALLIST: CAMGE AB,[-6,,] ; SKIP IF WE BUILD THE LIST - JRST CPYLS2 - JUMPE A,ZEROLT - PUSH P,A - PUSHJ P,CELL - POP P,A ;# OF ELEMENTS - PUSH P,B ;ptr to allocated list - POP TP,C ;ptr to orig list - JRST ENTCOP - -COPYL: ADDI B,2 - HRRM B,-2(B) ;LINK ALOCATED LIST CELLS -ENTCOP: JUMPE C,OUTRNG - MOVE D,(C) - MOVE E,1(C) ;get list element into D+E - HLLM D,(B) - MOVEM E,1(B) ;put into allocated space - HRRZ C,(C) ;update ptrs - SOJG A,COPYL ;finish transfer? - -CLOSEL: POP P,B ;PTR TO NEW LIST - POP TP,A ;type - JRST FINIS - -ZEROLT: SUB TP,[1,,1] ;IF RESTED ALL OF LIST - SUB TP,[1,,1] - MOVSI A,TLIST - MOVEI B,0 - JRST FINIS - -CPYLS2: GETYP 0,6(AB) - CAIE 0,TLIST - JRST WTYP - MOVE B,7(AB) ; GET DEST LIST - MOVE C,(TP) - - JUMPE A,CPYLS3 -CPYLS4: JUMPE B,OUTRNG - JUMPE C,OUTRNG - MOVE D,1(C) - MOVEM D,1(B) - GETYP 0,(C) - HRLM 0,(B) - HRRZ B,(B) - HRRZ C,(C) - SOJG A,CPYLS4 - -CPYLS3: MOVE B,7(AB) - MOVSI A,TLIST - JRST FINIS - - -; PROCESS TYPE ILLEGAL - -ILLCHO: HRRZ B,1(B) ;GET CLOBBERED TYPE - CAIN B,TARGS ;WAS IT ARGS? - JRST ILLAR1 - CAIN B,TFRAME ;A FRAME? - JRST ILFRAM - CAIN B,TLOCD ;A LOCATIVE TO AN ID - JRST ILLOC1 - - LSH B,1 ;NONE OF ABOVE LOOK IN TABLE - ADDI B,TYPVEC+1(TVP) - PUSH TP,$TATOM - PUSH TP,EQUOTE ILLEGAL - PUSH TP,$TATOM - PUSH TP,(B) ;PUSH ATOMIC NAME - MOVEI A,2 - JRST CALER ;GO TO ERROR REPORTER - -; CHECK AN ARGS POINTER - -CHARGS: PUSHJ P,ICHARG ; INTERNAL CHECK - JUMPN B,CPOPJ - -ILLAR1: PUSH TP,$TATOM - PUSH TP,EQUOTE ILLEGAL-ARGUMENT-BLOCK - JRST CALER1 - -ICHARG: PUSH P,A ;SAVE SOME ACS - PUSH P,B - PUSH P,C - SKIPN C,1(B) ;GET POINTER - JRST ILLARG ; ZERO POINTER IS ILLEGAL - HLRE A,C ;FIND ASSOCIATED FRAME - SUBI C,(A) ;C POINTS TO FRAME OR FRAME POINTER - GETYP A,(C) ;GET TYPE OF NEXT GOODIE - CAIN A,TCBLK - JRST CHARG1 - CAIE A,TENTRY ;MUST BE EITHER ENTRY OR TINFO - CAIN A,TINFO - JRST CHARG1 ;WINNER - JRST ILLARG - -CHARG1: CAIN A,TINFO ;POINTER TO FRAME? - ADD C,1(C) ;YES, GET IT - CAIE A,TINFO ;POINTS TO ENTRT? - MOVEI C,FRAMLN(C) ;YES POINT TO END OF FRAME - HLRZ C,OTBSAV(C) ;GET TIME FROM FRAME - HRRZ B,(B) ;AND ARGS TIME - CAIE B,(C) ;SAME? -ILLARG: SETZM -1(P) ; RETURN ZEROED B -POPBCJ: POP P,C - POP P,B - POP P,A - POPJ P, ;GO GET PRIM TYPE - - - -; CHECK A FRAME POINTER - -CHFRM: PUSHJ P,CHFRAM - JUMPN B,CPOPJ - -ILFRAM: PUSH TP,$TATOM - PUSH TP,EQUOTE ILLEGAL-FRAME - JRST CALER1 - -CHFRAM: PUSH P,A ;SAVE SOME REGISTERS - PUSH P,B - PUSH P,C - HRRZ A,(B) ; GE PVP POINTER - HLRZ C,(A) ; GET LNTH - SUBI A,-1(C) ; POINT TO TOP - CAIN A,(PVP) ; SKIP IF NOT THIS PROCESS - MOVEM TP,TPSTO+1(A) ; MAKE CURRENT BE STORED - HRRZ A,TPSTO+1(A) ; GET TP FOR THIS PROC - HRRZ C,1(B) ;GET POINTER PART - CAILE C,1(A) ;STILL WITHIN STACK - JRST BDFR - HLRZ A,FSAV(C) ;CHECK STILL AN ENTRY BLOCK - CAIN A,TCBLK - JRST .+3 - CAIE A,TENTRY - JRST BDFR - HLRZ A,1(B) ;GET TIME FROM POINTER - HLRZ C,OTBSAV(C) ;AND FROM FRAME - CAIE A,(C) ;SAME? -BDFR: SETZM -1(P) ; RETURN 0 IN B - JRST POPBCJ ;YES, WIN - -; CHECK A LOCATIVE TO AN IDENTIFIER - -CHLOCI: PUSHJ P,ICHLOC - JUMPN B,CPOPJ - -ILLOC1: PUSH TP,$TATOM - PUSH TP,EQUOTE ILLEGAL-LOCATIVE - JRST CALER1 - -ICHLOC: PUSH P,A - PUSH P,B - PUSH P,C - - HRRZ A,(B) ;GET TIME FROM POINTER - JUMPE A,POPBCJ ;ZERO, GLOBAL VARIABLE NO TIME - HRRZ C,1(B) ;POINT TO STACK - CAMLE C,VECTOP - JRST ILLOC ;NO - HRRZ C,2(C) ; SHOULD BE DECL,,TIME - CAIE A,(C) -ILLOC: SETZM -1(P) ; RET 0 IN B - JRST POPBCJ - - - - -; PREDICATE TO SEE IF AN OBJECT IS STRUCTURED - -MFUNCTION %STRUC,SUBR,[STRUCTURED?] - - ENTRY 1 - - GETYP A,(AB) ; GET TYPE - PUSHJ P,ISTRUC ; INTERNAL - JRST IFALSE - JRST ITRUTH - - -; PREDICATE TO CHECK THE LEGALITY OF A FRAME/ARGS TUPLE/IDENTIFIER LOCATIVE - -MFUNCTION %LEGAL,SUBR,[LEGAL?] - - ENTRY 1 - - MOVEI B,(AB) ; POINT TO ARG - PUSHJ P,ILEGQ - JRST IFALSE - JRST ITRUTH - -ILEGQ: GETYP A,(B) - CAIN A,TILLEG - POPJ P, - PUSHJ P,SAT ; GET STORG TYPE - CAIN A,SFRAME ; FRAME? - PUSHJ P,CHFRAM - CAIN A,SARGS ; ARG TUPLE - PUSHJ P,ICHARG - CAIN A,SLOCID ; ID LOCATIVE - PUSHJ P,ICHLOC - JUMPE B,CPOPJ - JRST CPOPJ1 - - -; COMPILERS CALL - -CILEGQ: PUSH TP,A - PUSH TP,B - MOVEI B,-1(TP) - PUSHJ P,ILEGQ - TDZA 0,0 - MOVEI 0,1 - SUB TP,[2,,2] - JUMPE 0,NO - -YES: MOVSI A,TATOM - MOVE B,MQUOTE T - JRST CPOPJ1 - -NOM: SUBM M,(P) -NO: MOVSI A,TFALSE - MOVEI B,0 - POPJ P, - -YESM: SUBM M,(P) - JRST YES - ;SUBRS TO DEFINE, GET, AND PUT BIT FIELDS - -MFUNCTION BITS,SUBR - ENTRY - JUMPGE AB,TFA ;AT LEAST ONE ARG ? - GETYP A,(AB) - CAIE A,TFIX - JRST WTYP1 - SKIPLE C,(AB)+1 ;GET FIRST AND CHECK TO SEE IF POSITIVE - CAILE C,44 ;CHECK IF FIELD NOT GREATER THAN WORD SIZE - JRST OUTRNG - MOVEI B,0 - CAML AB,[-2,,0] ;ONLY ONE ARG ? - JRST ONEF ;YES - CAMGE AB,[-4,,0] ;MORE THAN TWO ARGS ? - JRST TMA ;YES, LOSE - GETYP A,(AB)+2 - CAIE A,TFIX - JRST WTYP2 - SKIPGE B,(AB)+3 ;GET SECOND ARG AND CHECK TO SEE IF NON-NEGATIVE - JRST OUTRNG - ADD C,(AB)+3 ;CALCULATE LEFTMOST EXTENT OF THE FIELD - CAILE C,44 ;SHOULD BE LESS THAN WORD SIZE - JRST OUTRNG - LSH B,6 -ONEF: ADD B,(AB)+1 - LSH B,30 ;FORM BYTE POINTER'S LEFT HALF - MOVSI A,TBITS - JRST FINIS - - - -MFUNCTION GETBITS,SUBR - ENTRY 2 - GETYP A,(AB) - PUSHJ P,SAT - CAIN A,SSTORE - JRST .+3 - CAIE A,S1WORD - JRST WTYP1 - GETYP A,(AB)+2 - CAIE A,TBITS - JRST WTYP2 - MOVEI A,(AB)+1 ;GET ADDRESS OF THE WORD - HLL A,(AB)+3 ;GET LEFT HALF OF BYTE POINTER - LDB B,A - MOVSI A,TWORD ; ALWAYS RETURN WORD____ - JRST FINIS - - -MFUNCTION PUTBITS,SUBR - ENTRY - CAML AB,[-2,,0] ;AT LEAST TWO ARGS ? - JRST TFA ;NO, LOSE - GETYP A,(AB) - PUSHJ P,SAT - CAIE A,S1WORD - JRST WTYP1 - GETYP A,(AB)+2 - CAIE A,TBITS - JRST WTYP2 - MOVEI B,0 ;EMPTY THIRD ARG DEFAULT - CAML AB,[-4,,0] ;ONLY TWO ARGS ? - JRST TWOF - CAMGE AB,[-6,,0] ;MORE THAN THREE ARGS ? - JRST TMA ;YES, LOSE - GETYP A,(AB)+4 - PUSHJ P,SAT - CAIE A,S1WORD - JRST WTYP3 - MOVE B,(AB)+5 -TWOF: MOVEI A,(AB)+1 ;ADDRESS OF THE TARGET WORD - HLL A,(AB)+3 ;GET THE LEFT HALF OF THE BYTE POINTER - DPB B,A - MOVE B,(AB)+1 - MOVE A,(AB) ;SAME TYPE AS FIRST ARG'S - JRST FINIS - - -; FUNCTION TO GET THE LENGTH OF LISTS,VECTORS AND CHAR STRINGS - -MFUNCTION LNTHQ,SUBR,[LENGTH?] - - ENTRY 2 - GETYP A,(AB)2 - CAIE A,TFIX - JRST WTYP2 - PUSH P,(AB)3 - JRST LNTHER - - -MFUNCTION LENGTH,SUBR - - ENTRY 1 - PUSH P,[377777777777] -LNTHER: MOVE B,AB ;POINT TO ARGS - PUSHJ P,PTYPE ;GET ITS PRIM TYPE - MOVE B,1(AB) - MOVE C,(AB) - PUSHJ P,@LENTBL(A) ; CALL RIGTH ONE - JRST LFINIS ;OTHERWISE USE 0 - -PRDISP LENTBL,IWTYP1,[[P2WORD,LNLST],[P2NWORD,LNVEC],[PNWORD,LNUVEC] -[PARGS,LNVEC],[PCHSTR,LNCHAR],[PTMPLT,LNTMPL]] - -LNLST: SKIPN C,B ; EMPTY? - JRST LNLST2 ; YUP, LEAVE - MOVEI B,1 ; INIT COUNTER - MOVSI A,TLIST ;WILL BECOME INTERRUPTABLE - HLLM A,CSTO(PVP) ;AND C WILL BE A LIST POINTER -LNLST1: INTGO ;IN CASE CIRCULAR LIST - CAMLE B,(P)-1 - JRST LNLST2 - HRRZ C,(C) ;STEP - JUMPE C,.+2 ;DONE, RETRUN LENGTH - AOJA B,LNLST1 ;COUNT AND GO -LNLST2: SETZM CSTO(PVP) - POPJ P, - -LFINIS: POP P,C - CAMLE B,C - JRST IFALSE - MOVSI A,TFIX ;LENGTH IS AN INTEGER - JRST FINIS - -LNVEC: ASH B,-1 ;GENERAL VECTOR DIVIDE BY 2 -LNUVEC: HLRES B ;GET LENGTH - MOVMS B ;MAKE POS - POPJ P, - -LNCHAR: HRRZ B,C ; GET COUNT - POPJ P, - -LNTMPL: GETYP A,(B) ; GET REAL SAT - SUBI A,NUMSAT+1 - HRLS A ; READY TO HIT TABLE - ADD A,TD.LNT+1(TVP) - JUMPGE A,BADTPL - MOVE C,B ; DATUM TO C - XCT (A) ; GET LENGTH - HLRZS C ; REST COUNTER - SUBI B,(C) ; FLUSH IT OFF - MOVEI B,(B) ; IN CASE FUNNY STUFF - MOVSI A,TFIX - POPJ P, - -; COMPILERS ENTRIES - -CILNT: SUBM M,(P) - PUSH P,[377777,,-1] - MOVE C,A - GETYP A,A - PUSHJ P,CPTYPE ; GET PRIMTYPE - JUMPE A,COMPERR - PUSHJ P,@LENTBL(A) ; DISPATCH - MOVSI A,TFIX - SUB P,[1,,1] -MPOPJ: SUBM M,(P) - POPJ P, - -CILNQ: SUBM M,(P) - PUSH P,C - MOVE C,A - GETYP A,A - PUSHJ P,CPTYPE - JUMPE A,COMPERR - PUSHJ P,@LENTBL(A) - POP P,C - SUBM M,(P) - MOVSI A,TFIX - CAMG B,C - JRST CPOPJ1 - MOVSI A,TFALSE - MOVEI B,0 - POPJ P, - - - -IDNT1: MOVE A,(AB) ;RETURN THE FIRST ARG - MOVE B,1(AB) - JRST FINIS - -MFUNCTION QUOTE,FSUBR - - ENTRY 1 - - GETYP A,(AB) - CAIE A,TLIST ;ARG MUST BE A LIST - JRST WTYP1 - SKIPN B,1(AB) ;SHOULD HAVE A BODY - JRST TFA - - HLLZ A,(B) ; GET IT - MOVE B,1(B) - JSP E,CHKAB - JRST FINIS - -MFUNCTION NEQ,SUBR,[N==?] - - MOVEI D,1 - JRST EQR - -MFUNCTION EQ,SUBR,[==?] - - MOVEI D,0 -EQR: ENTRY 2 - - GETYP A,(AB) ;GET 1ST TYPE - GETYP C,2(AB) ;AND 2D TYPE - MOVE B,1(AB) - CAIN A,(C) ;CHECK IT - CAME B,3(AB) - JRST @TABLE2(D) - JRST @TABLE1(D) - -ITRUTH: MOVSI A,TATOM ;RETURN TRUTH - MOVE B,MQUOTE T - JRST FINIS - -IFALSE: MOVSI A,TFALSE ;RETURN FALSE - MOVEI B,0 - JRST FINIS - -TABLE1: ITRUTH -TABLE2: IFALSE - ITRUTH - - - - -MFUNCTION EMPTY,SUBR,EMPTY? - - ENTRY 1 - - MOVE B,AB - PUSHJ P,PTYPE ;GET PRIMITIVE TYPE - - MOVEI A,(A) - JUMPE A,WTYP1 - SKIPN B,1(AB) ;GET THE ARG - JRST ITRUTH - - CAIN A,PTMPLT ; TEMPLATE? - JRST EMPTPL - CAIE A,P2WORD ;A LIST? - JRST EMPT1 ;NO VECTOR OR CHSTR - JUMPE B,ITRUTH ;0 POINTER MEANS EMPTY LIST - JRST IFALSE - - -EMPT1: CAIE A,PCHSTR ;CHAR STRING? - JRST EMPT2 ;NO, VECTOR - HRRZ B,(AB) ; GET COUNT - JUMPE B,ITRUTH ;0 STRING WINS - JRST IFALSE - -EMPT2: JUMPGE B,ITRUTH - JRST IFALSE - -EMPTPL: PUSHJ P,LNTMPL ; GET LENGTH - JUMPE B,ITRUTH - JRST IFALSE - -; COMPILER'S ENTRY TO EMPTY - -CEMPTY: PUSH P,A - GETYP A,A - PUSHJ P,CPTYPE - POP P,0 - JUMPE A,COMPERR - JUMPE B,YES ; ALWAYS EMPTY - CAIN A,PTMPLT - JRST CEMPTP - CAIN A,P2WORD - JRST NO - CAIN A,PCHSTR - JRST .+3 - JUMPGE B,YES - JRST NO - TRNE 0,-1 ; STRING, SKIP ON ZERO LENGTH FIELD - JRST NO - JRST YES - -CEMPTP: PUSHJ P,LNTMPL - JUMPE B,YES - JRST NO - -MFUNCTION NEQUAL,SUBR,[N=?] - PUSH P,[1] - JRST EQUALR - -MFUNCTION EQUAL,SUBR,[=?] - PUSH P,[0] -EQUALR: ENTRY 2 - - MOVE C,AB ;SET UP TO CALL INTERNAL - MOVE D,AB - ADD D,[2,,2] ;C POINTS TO FIRS, D TO SECOND - PUSHJ P,IEQUAL ;CALL INTERNAL - JRST EQFALS ;NO SKIP MEANS LOSE - JRST EQTRUE -EQFALS: POP P,C - JRST @TABLE2(C) -EQTRUE: POP P,C - JRST @TABLE1(C) - - -; COMPILER'S ENTRY TO =? AND N=? - -CINEQU: PUSH P,[0] - JRST .+2 - -CIEQUA: PUSH P,[1] - PUSH TP,A - PUSH TP,B - PUSH TP,C - PUSH TP,D - MOVEI C,-3(TP) - MOVEI D,-1(TP) - SUBM M,-1(P) ; MAY BECOME INTERRUPTABLE - PUSHJ P,IEQUAL - JRST NOE - POP P,C - SUB TP,[4,,4] ; FLUSH TEMPS - JRST @CTAB1(C) - -NOE: POP P,C - SUB TP,[4,,4] - JRST @CTAB2(C) - -CTAB1: NOM -CTAB2: YESM - NOM - -; INTERNAL EQUAL SUBROUTINE - -IEQUAL: MOVE B,C ;NOW CHECK THE ARGS - PUSHJ P,PTYPE - MOVE B,D - PUSHJ P,PTYPE - GETYP 0,(C) ;NOW CHECK FOR EQ - GETYP B,(D) - MOVE E,1(C) - CAIN 0,(B) ;DONT SKIP IF POSSIBLE WINNER - CAME E,1(D) ;DEFINITE WINNER, SKIP - JRST IEQ1 -CPOPJ1: AOS (P) ;EQ, SKIP RETURN - POPJ P, - - -IEQ1: CAIE 0,(B) ;SKIP IF POSSIBLE MATCH -CPOPJ: POPJ P, ;NOT POSSIBLE WINNERS - JRST @EQTBL(A) ;DISPATCH - -PRDISP EQTBL,CPOPJ,[[P2WORD,EQLIST],[P2NWORD,EQVEC],[PNWORD,EQUVEC] -[PARGS,EQVEC],[PCHSTR,EQCHST],[PTMPLT,EQTMPL]] - - -EQLIST: PUSHJ P,PUSHCD ;PUT ARGS ON STACK - -EQLST1: INTGO ;IN CASE OF CIRCULAR - HRRZ C,-2(TP) ;GET FIRST - HRRZ D,(TP) ;AND 2D - CAIN C,(D) ;EQUAL? - JRST EQLST2 ;YES, LEAVE - JUMPE C,EQLST3 ;NIL LOSES - JUMPE D,EQLST3 - GETYP 0,(C) ;CHECK DEFERMENT - CAIN 0,TDEFER - HRRZ C,1(C) ;PICK UP POINTED TO CROCK - GETYP 0,(D) - CAIN 0,TDEFER - HRRZ D,1(D) ;POINT TO REAL GOODIE - PUSHJ P,IEQUAL ;CHECK THE CARS - JRST EQLST3 ;LOSE - HRRZ C,@-2(TP) ;CDR THE LISTS - HRRZ D,@(TP - HRRZM C,-2(TP) ;AND STORE - HRRZM D,(TP) - JRST EQLST1 - -EQLST2: AOS (P) ;SKIP RETRUN -EQLST3: SUB TP,[4,,4] ;REMOVE CRUFT - POPJ P, - -; HERE FOR HACKING TEMPLATE STRUCTURES - -EQTMPL: PUSHJ P,PUSHCD ; SAVE GOODIES - PUSHJ P,PUSHCD - MOVE C,1(C) ; CHECK REAL SATS - GETYP C,(C) - MOVE D,1(D) - GETYP 0,(D) - CAIE 0,(C) ; SKIP IF WINNERS - JRST EQTMP4 - PUSH P,0 ; SAVE MAGIC OFFSET - MOVE B,-2(TP) - PUSHJ P,TM.LN1 ; RET LENGTH IN B - MOVEI B,-1(B) ; FLUSH FUNNY - HLRZ C,-2(TP) - SUBI B,(C) - PUSH P,B - MOVE C,(TP) ; POINTER TO OTHER GUY - ADD A,TD.LNT+1(TVP) - XCT (A) ; OTHER LENGTH TO B - HLRZ 0,B ; REST OFFSETTER - PUSH P,0 - MOVEI B,-1(B) - HLRZ C,(TP) - SUBI B,(C) - CAME B,-1(P) - JRST EQTMP1 - -EQTMP2: AOS C,(P) - SOSGE -1(P) - JRST EQTMP3 ; WIN!! - - MOVE B,-6(TP) ; POINTER - MOVE 0,-2(P) ; GET MAGIC OFFSET - PUSHJ P,TM.TOE ; GET OFFSET TO TEMPLATE - ADD A,TD.GET+1(TVP) - MOVE A,(A) - ADDI E,(A) - XCT (E) ; VAL TO A AND B - MOVEM A,-3(TP) - MOVEM B,-2(TP) - MOVE C,(P) - MOVE B,-4(TP) ; OTHER GUY - MOVE 0,-2(P) - PUSHJ P,TM.TOE - ADD A,TD.GET+1(TVP) - MOVE A,(A) - ADDI E,(A) - XCT (E) ; GET OTHER VALUE - MOVEM A,-1(TP) - MOVEM B,(TP) - MOVEI C,-3(TP) - MOVEI D,-1(TP) - PUSHJ P,IEQUAL ; RECURSE - JRST EQTMP1 ; LOSER - JRST EQTMP2 ; WINNER - -EQTMP3: AOS -3(P) ; WIN RETURN -EQTMP1: SUB P,[3,,3] ; FLUSH JUNK -EQTMP4: SUB TP,[10,,10] - POPJ P, - - - -EQVEC: HLRE A,1(C) ;GET LENGTHS - HLRZ B,1(D) - CAIE B,(A) ;SKIP IF EQUAL LENGTHS - POPJ P, ;LOSE - JUMPGE A,CPOPJ1 ;SKIP RETRUN WIN - PUSHJ P,PUSHCD ;SAVE ARGS - -EQVEC1: INTGO ;IN CASE LONG VECTOR - MOVE C,(TP) - MOVE D,-2(TP) ;ARGS TO C AND D - PUSHJ P,IEQUAL - JRST EQLST3 - MOVE C,[2,,2] ;GET BUMPER - ADDM C,(TP) - ADDB C,-2(TP) ;BUMP BOTH POINTERS - JUMPL C,EQVEC1 - JRST EQLST2 - -EQUVEC: HLRE A,1(C) ;GET LENGTHS - HLRZ B,1(D) - CAIE B,(A) ;SKIP IF EQUAL - POPJ P, - - HRRZ B,1(C) ;START COMPUTING DOPE WORD LOCN - SUB B,A ;B POINTS TO DOPE WORD - GETYP 0,(B) ;GET UNIFORM TYPE - HRRZ B,1(D) ;NOW FIND OTHER DOPE WORD - SUB B,A - HLRZ B,(B) ;OTHER UNIFORM TYPE - CAIE 0,(B) ;TYPES THE SAME? - POPJ P, ;NO, LOSE - - JUMPGE A,CPOPJ1 ;IF ZERO LENGTH ALREADY WON - - HRLZI B,(B) ;TYPE TO LH - PUSH P,B ;AND SAVED - PUSHJ P,PUSHCD ;SAVE ARGS - -EQUV1: MOVEI C,1(TP) ;POINT TO WHERE WILL GO - PUSH TP,(P) - MOVE A,-3(TP) ;PUSH ONE OF THE VECTORS - PUSH TP,(A) ; PUSH ELEMENT - MOVEI D,1(TP) ;POINT TO 2D ARG - PUSH TP,(P) - MOVE A,-3(TP) ;AND PUSH ITS POINTER - PUSH TP,(A) - PUSHJ P,IEQUAL - JRST UNEQUV - - SUB TP,[4,,4] ;POP TP - MOVE A,[1,,1] - ADDM A,(TP) ;BUMP POINTERS - ADDB A,-2(TP) - JUMPL A,EQUV1 ;JUMP IF STILL MORE STUFF - SUB P,[1,,1] ;POP OFF TYPE - JRST EQLST2 - -UNEQUV: SUB P,[1,,1] - SUB TP,[10,,10] - POPJ P, - - - -EQCHST: HRRZ B,(C) ; GET LENGTHS - HRRZ A,(D) - CAIE A,(B) ;SAME - JRST EQCHS3 ;NO, LOSE - MOVE C,1(C) - MOVE D,1(D) - JUMPE A,EQCHS4 ;BOTH 0 LENGTH, WINS - -EQCHS2: - ILDB 0,C ;GET NEXT CHARS - ILDB E,D - CAIE 0,(E) ; SKIP IF STILL WINNING - JRST EQCHS3 ; NOT = - SOJG A,EQCHS2 - -EQCHS4: AOS (P) -EQCHS3: POPJ P, - -PUSHCD: PUSH TP,(C) - PUSH TP,1(C) - PUSH TP,(D) - PUSH TP,1(D) - POPJ P, - - -; REST/NTH/AT/PUT/GET - -; ARG CHECKER - -ARGS1: MOVE E,[JRST WTYP2] ; ERROR CONDITION FOR 2D ARG NOT FIXED -ARGS2: HLRE 0,AB ; CHECK NO. OF ARGS - ASH 0,-1 ; TO - NO. OF ARGS - AOJG 0,TFA ; 0--TOO FEW - AOJL 0,TMA ; MORE THAT 2-- TOO MANY - MOVEI C,1 ; DEFAULT ARG2 - JUMPN 0,ARGS4 ; GET STRUCTURED ARG -ARGS3: GETYP A,2(AB) - CAIE A,TFIX ; SHOULD BE FIXED NUMBER - XCT E ; DO ERROR THING - SKIPGE C,3(AB) ; BETTER BE NON-NEGATIVE - JRST OUTRNG -ARGS4: MOVEI B,(AB) ; POINT TO STRUCTURED POINTER - PUSHJ P,PTYPE ; GET PRIM TYPE - MOVEI E,(A) ; DISPATCH CODE TO E - MOVE A,(AB) ; GET ARG 1 - MOVE B,1(AB) - POPJ P, - -; REST - -MFUNCTION REST,SUBR - - ENTRY - PUSHJ P,ARGS1 ; GET AND CHECK ARGS - PUSHJ P,@RESTBL(E) ; DO IT BASED ON TYPE - MOVE C,A ; THE FOLLOWING IS TO MAKE STORAGE WORK - GETYP A,(AB) - PUSHJ P,SAT - CAIN A,SSTORE ; SKIP IF NOT STORAGE - MOVSI C,TSTORA ; USE ITS PRIMTYPE - MOVE A,C - JRST FINIS - -PRDISP RESTBL,IWTYP1,[[P2WORD,LREST],[PNWORD,UREST],[P2NWOR,VREST],[PARGS,AREST] -[PCHSTR,SREST],[PTMPLT,TMPRST]] - -; AT - -MFUNCTION AT,SUBR - - ENTRY - PUSHJ P,ARGS1 - SOJL C,OUTRNG - PUSHJ P,@ATTBL(E) - JRST FINIS - -PRDISP ATTBL,IWTYP1,[[P2WORD,LAT],[PNWORD,UAT],[P2NWORD,VAT],[PARGS,AAT] -[PCHSTR,STAT],[PTMPLT,TAT]] - - -; NTH - -MFUNCTION NTH,SUBR - - ENTRY - - PUSHJ P,ARGS1 - SOJL C,OUTRNG - PUSHJ P,@NTHTBL(E) - JRST FINIS - -PRDISP NTHTBL,IWTYP1,[[P2WORD,LNTH],[PNWORD,UNTH],[P2NWOR,VNTH],[PARGS,ANTH] -[PCHSTR,SNTH],[PTMPLT,TMPLNT]] - -; GET - -MFUNCTION GET,SUBR - - ENTRY - MOVE E,IIGETP ; MAKE ARG CHECKER FAIL INTO GETPROP - PUSHJ P,ARGS5 ; CHECK ARGS - SOJL C,OUTRNG - SKIPN E,IGETBL(E) ; GET DISPATCH ADR - JRST IGETP ; REALLY PUTPROP - JUMPE 0,TMA - PUSHJ P,(E) ; DISPATCH - JRST FINIS - -PRDISP IGETBL,0,[[P2WORD,LNTH],[PNWORD,UNTH],[P2NWORD,VNTH],[PARGS,ANTH] -[PCHSTR,SNTH],[PTMPLT,TMPLNT]] - -; GETL - -MFUNCTION GETL,SUBR - - ENTRY - MOVE E,IIGETL ; ERROR HACK - PUSHJ P,ARGS5 - SOJL C,OUTRNG ; LOSER - SKIPN E,IGTLTB(E) - JRST IGETLO ; REALLY GETPL - JUMPE 0,TMA - PUSHJ P,(E) ; DISPATCH - JRST FINIS - -IIGETL: JRST IGETLO - -PRDISP IGTLTB,0,[[P2WORD,LAT],[PNWORD,UAT],[P2NWORD,VAT],[PARGS,AAT] -[PCHSTR,STAT]] - - -; ARG CHECKER FOR PUT/GET/GETL - -ARGS5: HLRE 0,AB ; -# OF ARGS - ASH 0,-1 - ADDI 0,2 ; 0 OR -1 WIN - JUMPG 0,TFA - AOJL 0,TMA ; MORE THAN 3 - JRST ARGS3 ; GET ARGS - -; PUT - -MFUNCTION PUT,SUBR - - ENTRY - MOVE E,IIPUTP - PUSHJ P,ARGS5 ; GET ARGS - SKIPN E,IPUTBL(E) - JRST IPUTP - CAML AB,[-5,,] ; SKIP IF GOOD ARRGS - JRST TFA - SOJL C,OUTRNG - PUSH TP,4(AB) - PUSH TP,5(AB) - PUSHJ P,(E) - MOVE A,(AB) ; RET STRUCTURE - MOVE B,1(AB) - JRST FINIS - -PRDISP IPUTBL,0,[[P2WORD,LPUT],[PNWORD,UPUT],[P2NWORD,VPUT],[PARGS,APUT] -[PCHSTR,SPUT],[PTMPLT,TMPPUT]] - -; IN - -MFUNCTION IN,SUBR - - ENTRY 1 - - MOVEI B,(AB) ; POINT TO ARG - PUSHJ P,PTYPE - MOVS E,A ; REAL DISPATCH TO E - MOVE B,1(AB) - MOVE A,(AB) - GETYP C,A ; IN CASE NEEDED - PUSHJ P,@INTBL(E) - JRST FINIS - -PRDISP INTBL,OTHIN,[[P2WORD,LNTH1],[PNWORD,UIN],[P2NWORD,VIN],[PARGS,AIN] -[PCHSTR,SIN],[PTMPLT,TIN]] - -OTHIN: CAIE C,TLOCN ; ASSOCIATION LOCATIVE - JRST OTHIN1 ; MAYBE LOCD - HLLZ 0,VAL(B) - PUSHJ P,RMONCH - MOVE A,VAL(B) - MOVE B,VAL+1(B) - POPJ P, - -OTHIN1: CAIE C,TLOCD - JRST WTYP1 - JRST VIN - - -; SETLOC - -MFUNCTION SETLOC,SUBR - - ENTRY 2 - - MOVEI B,(AB) ; POINT TO ARG - PUSHJ P,PTYPE ; DO TYPE - MOVS E,A ; REAL TYPE - MOVE B,1(AB) - MOVE C,2(AB) ; PASS ARG - MOVE D,3(AB) - MOVE A,(AB) ; IN CASE - GETYP 0,A - PUSHJ P,@SETTBL(E) - MOVE A,2(AB) - MOVE B,3(AB) - JRST FINIS - -PRDISP SETTBL,OTHSET,[[P2WORD,LSTUF],[PNWORD,USTUF],[P2NWORD,VSTUF],[PARGS,ASTUF] -[PCHSTR,SSTUF],[PTMPLT,TSTUF]] - -OTHSET: CAIE 0,TLOCN ; ASSOC? - JRST OTHSE1 - HLLZ 0,VAL(B) ; GET MONITORS - PUSHJ P,MONCH - MOVEM C,VAL(B) - MOVEM D,VAL+1(B) - POPJ P, - -OTHSE1: CAIE 0,TLOCD - JRST WTYP1 - JRST VSTUF - -; LREST -- REST A LIST IN B BY AMOUNT IN C - -LREST: MOVSI A,TLIST - JUMPE C,CPOPJ - MOVEM A,BSTO(PVP) - -LREST2: INTGO ;CHECK INTERRUPTS - JUMPE B,OUTRNG ; CANT CDR NIL - HRRZ B,(B) ;CDR THE LIST - SOJG C,LREST2 ;COUNT DOWN - SETZM BSTO(PVP) ;RESET BSTO - POPJ P, - - -; VREST -- REST A VECTOR, AREST -- REST AN ARG BLOCK - -VREST: SKIPA A,$TVEC ; FINAL TYPE -AREST: HRLI A,TARGS - ASH C,1 ; TIMES 2 - JRST UREST1 - -; UREST -- REST A UVECTOR - -STORST: SKIPA A,$TSTORA -UREST: MOVSI A,TUVEC -UREST1: JUMPE C,CPOPJ - HRLI C,(C) - JUMPL C,OUTRNG - ADD B,C ; REST IT - CAILE B,-1 ; OUT OF RANGE ? - JRST OUTRNG - POPJ P, - - -; SREST -- REST A STRING - -SREST: JUMPE C,SREST1 - PUSH P,A ; SAVE TYPE WORD - PUSH P,C ; SAVE AMOUNT - MOVEI D,(A) ; GET LENGTH - CAILE C,(D) ; SKIP IF OK - JRST OUTRNG - LDB D,[366000,,B] ;POSITION FIELD OF BYTE POINTER - LDB A,[300600,,B] ;SIZE FIELD - PUSH P,A ;SAVE SIZE - IDIVI D,(A) ;COMPUT BYTES IN 1ST WORD - MOVEI 0,36. ;NOW COMPUTE BYTES PER WORD - IDIVI 0,(A) ;BYTES PER WORD IN 0 - MOVE E,0 ;COPY OF BYTES PER WORD TO E - SUBI 0,(D) ;0 # OF UNSUED BYTES IN 1ST WORD - ADDB C,0 ;C AND 0 NO.OF CHARS FROM WORD BOUNDARY - IDIVI C,(E) ;C/ REL WORD D/ CHAR IN LAST - ADDI C,(B) ;POINTO WORD WITH C - POP P,A ;RESTORE BITS PER BYTE - IMULI A,(D) ;A/ BITS USED IN LAST WORD - MOVEI 0,36. - SUBI 0,(A) ;0 HAS NEW POSITION FIELD - DPB 0,[360600,,B] ;INTO BYTE POINTER - HRRI B,(C) ;POINT TO RIGHT WORD - POP P,C ; RESTORE AMOUNT - POP P,A - SUBI A,(C) ; NEW LENGTH -SREST1: HRLI A,TCHSTR - POPJ P, - -; TMPRST -- REST A TEMPLATE DATA STRUCTURE - -TMPRST: PUSHJ P,TM.TOE ; CHECK ALL BOUNDS ETC. - MOVSI D,(D) - HLL C,D - MOVE B,C ; RET IN B - MOVSI A,TTMPLT - POPJ P, - -; LAT -- GET A LOCATIVE TO A LIST - -LAT: PUSHJ P,LREST ; GET POINTER - JUMPE B,OUTRNG ; YOU LOSE! - MOVSI A,TLOCL ; NEW TYPE - POPJ P, - - -; UAT -- GET A LOCATIVE TO A UVECTOR - -UAT: PUSHJ P,UREST - MOVSI A,TLOCU - JRST POPJL - -; VAT -- GET A LOCATIVE TO A VECTOR - -VAT: PUSHJ P,VREST ; REST IT AND TYPE IT - MOVSI A,TLOCV - JRST POPJL - -; AAT -- GET A LOCATIVE TO AN ARGS BLOCK - -AAT: PUSHJ P,AREST - HRLI A,TLOCA -POPJL: JUMPGE B,OUTRNG ; LOST - POPJ P, - -; STAT -- LOCATIVE TO A STRING - -STAT: PUSHJ P,SREST - TRNN A,-1 ; SKIP IF ANY LEFT - JRST OUTRNG - HRLI A,TLOCS ; LOCATIVE - POPJ P, - -; TAT -- LOCATIVE TO A TEMPLATE - -TAT: PUSHJ P,TMPRST - PUSH TP,A - PUSH TP,B - GETYP A,(B) ; GET REAL SAT - SUBI A,NUMSAT+1 - HRLS A ; READY TO HIT TABLE - ADD A,TD.LNT+1(TVP) - JUMPGE A,BADTPL - MOVE C,B ; DATUM TO C - XCT (A) ; GET LENGTH - HLRZS C ; REST COUNTER - SUBI B,(C) ; FLUSH IT OFF - JUMPE B,OUTRNG - MOVE B,(TP) - SUB TP,[2,,2] - MOVSI A,TLOCT - POPJ P, - - -; LNTH -- NTH OF LIST - -LNTH: PUSHJ P,LAT -LNTH1: PUSHJ P,RMONC0 ; CHECK READ MONITORS - HLLZ A,(B) ; GET GOODIE - MOVE B,1(B) - JSP E,CHKAB ; HACK DEFER - POPJ P, - -; VNTH -- NTH A VECTOR, ANTH -- NTH AN ARGS BLOCK - -ANTH: PUSHJ P,AAT - JRST .+2 - -VNTH: PUSHJ P,VAT -AIN: -VIN: PUSHJ P,RMONC0 - MOVE A,(B) - MOVE B,1(B) - POPJ P, - -; UNTH -- NTH OF UVECTOR - -UNTH: PUSHJ P,UAT -UIN: HLRE C,B ; FIND DW - SUBM B,C - HLLZ 0,(C) ; GET MONITORS - MOVE D,0 - TLZ D,TYPMSK#<-1> - PUSH P,D - PUSHJ P,RMONCH ; CHECK EM - POP P,A - MOVE B,(B) ; AND VALUE - POPJ P, - - -; SNTH -- NTH A STRING - -SNTH: PUSHJ P,STAT -SIN: PUSH TP,A - PUSH TP,B ; SAVE POINT BYTER - MOVEI C,-1(TP) ; FIND DOPE WORD - PUSHJ P,BYTDOP - HLLZ 0,-1(A) ; GET - POP TP,B - POP TP,A - PUSHJ P,RMONCH - ILDB B,B ; GET CHAR - MOVSI A,TCHRS - POPJ P, - -; TIN -- IN OF A TEMPLATE - -TIN: MOVEI C,0 - -; TMPLNT -- NTH A TEMPLATE DATA STRUCTURE - -TMPLNT: ADDI C,1 - PUSHJ P,TM.TOE ; GET POINTER TO INS IN E - ADD A,TD.GET+1(TVP) ; POINT TO GETTER - MOVE A,(A) ; GET VECTOR OF INS - ADDI E,-1(A) ; POINT TO INS - SUBI D,1 - XCT (E) ; DO IT - POPJ P, ; RETURN - -; LPUT -- PUT ON A LIST - -LPUT: PUSHJ P,LAT ; POSITION - POP TP,D - POP TP,C - -; LSTUF -- HERE TO STUFF A LIST ELEMENT - -LSTUF: PUSHJ P,MONCH0 ; CHECK OUT MONITOR BITS - GETYP A,C ; ISOLATE TYPE - PUSHJ P,NWORDT ; NEED TO DEFER? - SOJN A,DEFSTU - HLLM C,(B) - MOVEM D,1(B) ; AND VAL - POPJ P, - -DEFSTU: PUSH TP,$TLIST - PUSH TP,B - PUSH TP,C - PUSH TP,D - PUSHJ P,CELL2 ; GET WORDS - POP TP,1(B) - POP TP,(B) - MOVE E,(TP) - SUB TP,[2,,2] - MOVEM B,1(E) - HLLZ 0,(E) ; GET OLD MONITORS - TLZ 0,TYPMSK ; KILL TYPES - TLO 0,TDEFER ; MAKE DEFERRED - HLLM 0,(E) - POPJ P, - -; VPUT -- PUT ON A VECTOR , APUT -- PUT ON AN RG BLOCK - -APUT: PUSHJ P,AAT - JRST .+2 - -VPUT: PUSHJ P,VAT ; TREAT LIKE VECTOR - POP TP,D ; GET GOODIE BACK - POP TP,C - -; AVSTUF -- CLOBBER ARGS AND VECTORS - -ASTUF: -VSTUF: PUSHJ P,MONCH0 - MOVEM C,(B) - MOVEM D,1(B) - POPJ P, - - - - -; UPUT -- CLOBBER A UVECTOR - -UPUT: PUSHJ P,UAT ; GET IT RESTED - POP TP,D - POP TP,C - -; USTUF -- HERE TO CLOBBER A UVECTOR - -USTUF: HLRE E,B - SUBM B,E ; C POINTS TO DOPE - GETYP A,(E) ; GET UTYPE - GETYP 0,C - CAIE 0,(A) ; CHECK SAMENESS - JRST WRNGUT - HLLZ 0,(E) ; MONITOR BITS IN DOPE WORD - MOVSI A,TUVEC - PUSHJ P,MONCH - MOVEM D,(B) ; SMASH - POPJ P, - -; SPUT -- HERE TO PUT A STRING - -SPUT: PUSHJ P,STAT ; REST IT - POP TP,D - POP TP,C - -; SSTUF -- STUFF A STRING - -SSTUF: GETYP 0,C ; BETTER BE CHAR - CAIE 0,TCHRS - JRST WTYP3 - PUSH TP,A - PUSH TP,B - MOVEI C,-1(TP) ; FIND D.W. - PUSHJ P,BYTDOP - HLLZ 0,(A)-1 ; GET MONITORS - POP TP,B - POP TP,A - MOVSI C,TCHRS - PUSHJ P,MONCH - IDPB D,B ; STASH - POPJ P, - -; TSTUF -- SETLOC A TEMPLATE - -TSTUF: PUSH TP,C - PUSH TP,D - MOVEI C,0 - -; PUTTMP -- TEMPLATE PUTTER - -TMPPUT: ADDI C,1 - PUSHJ P,TM.TOE ; GET E POINTING TO SLOT # - ADD A,TD.PUT+1(TVP) ; POINT TO INS - MOVE A,(A) ; GET VECTOR OF INS - ADDI E,-1(A) - POP TP,B ; NEW VAL TO A AND B - POP TP,A - SUBI D,1 - XCT (E) ; DO IT - JRST BADPUT - POPJ P, - -TM.LN1: SUBI 0,NUMSAT+1 - HRRZ A,0 ; RET FIXED OFFSET - HRLS 0 - ADD 0,TD.LNT+1(TVP) ; USE LENGTHERS FOR TEST - JUMPGE 0,BADTPL - PUSH P,C - MOVE C,B - HRRZS 0 ; POINT TO TABLE ENTRY - PUSH P,A - XCT @0 ; DO IT - POP P,A - POP P,C - POPJ P, - -TM.TBL: MOVEI E,(D) ; TENTATIVE WINNER IN E - TLNN B,-1 ; SKIP IF REST HAIR EXISTS - POPJ P, ; NO, WIN - - PUSH P,A ; SAVE OFFSET - HRLS A ; A IS REL OFFSET TO INS TABLE - ADD A,TD.GET+1(TVP) ; GET ONEOF THE TABLES - MOVE A,(A) ; TABLE POINTER TO A - MOVSI 0,-1(D) ; START SEEING IF PAST TEMP SPEC - ADD 0,A - JUMPL 0,CPOPJA ; JUMP IF E STILL VALID - HLRZ E,B ; BASIC LENGTH TO E - HLRE 0,A ; LENGTH OF TEMPLATE TO 0 - ADDI 0,(E) ; 0 ==> # ELEMENTS IN REPEATING SEQUENCE - MOVNS 0 - SUBM D,E ; E ==> # PAST BASIC WANTED - EXCH 0,E - IDIVI 0,(E) ; A ==> REL REST GUY WANTED - HLRZ E,B - ADDI E,1(A) -CPOPJA: POP P,A - POPJ P, - -; TM.TOE -- GET RIGHT TEMPLATE # IN E -; C/ OBJECT #, B/ OBJECT POINTER - -TM.TOE: GETYP 0,(B) ; GET REAL SAT - MOVEI D,(C) ; OBJ # TO D - HLRZ C,B ; REST COUNT - ADDI D,(C) ; FUDGE FOR REST COUNTER - MOVE C,B ; POINTER TO C - PUSHJ P,TM.LN1 ; GET LENGTH IN B (WATCH LH!) - CAILE D,(B) ; CHECK RANGE - JRST OUTRNG ; LOSER, QUIT - JRST TM.TBL ; GO COMPUTE TABLE OFFSET - - ; ROUTINE FOR COMPILER CALLS RETS CODE IN E GOODIE IN A AND B -; FIXES (P) - -CPTYEE: MOVE E,A - GETYP A,A - PUSHJ P,CPTYPE - JUMPE A,COMPERR - SUBM M,-1(P) - EXCH E,A - POPJ P, - -; COMPILER CALLS TO MANY OF THESE GUYS - -CIREST: PUSHJ P,CPTYEE ; TYPE OF DISP TO E - JUMPL C,OUTRNG - CAIN 0,SSTORE - JRST CIRST1 - PUSHJ P,@RESTBL(E) - JRST MPOPJ - -CIRST1: PUSHJ P,STORST - JRST MPOPJ - -CINTH: PUSHJ P,CPTYEE - SOJL C,OUTRNG ; CHECK BOUNDS - PUSHJ P,@NTHTBL(E) - JRST MPOPJ - -CIAT: PUSHJ P,CPTYEE - SOJL C,OUTRNG - PUSHJ P,@ATTBL(E) - JRST MPOPJ - -CSETLO: PUSHJ P,CTYLOC - MOVSS E ; REAL DISPATCH - GETYP 0,A ; INCASE LOCAS OR LOCD - PUSH TP,C - PUSH TP,D - PUSHJ P,@SETTBL(E) - POP TP,B - POP TP,A - JRST MPOPJ - -CIN: PUSHJ P,CTYLOC - MOVSS E ; REAL DISPATCH - GETYP C,A - PUSHJ P,@INTBL(E) - JRST MPOPJ - -CTYLOC: MOVE E,A - GETYP A,A - PUSHJ P,CPTYPE - SUBM M,-1(P) - EXCH A,E - POPJ P, - -; COMPILER'S PUT,GET AND GETL - -CIGET: PUSH P,[0] - JRST .+2 - -CIGETL: PUSH P,[1] - MOVE E,A - GETYP A,A - PUSHJ P,CPTYPE - EXCH A,E - JUMPE E,CIGET1 ; REAL GET, NOT NTH - GETYP 0,C ; INDIC FIX? - CAIE 0,TFIX - JRST CIGET1 - POP P,E ; GET FLAG - AOS (P) ; ALWAYS SKIP - MOVE C,D ; # TO AN AC - JRST @.+1(E) - CINTH - CIAT - -CIGET1: POP P,E ; GET FLAG - JRST @GETTR(E) ; DO A REAL GET - -GETTR: CIGTPR - CIGETP - -CIPUT: SUBM M,(P) - MOVE E,A - GETYP A,A - PUSHJ P,CPTYPE - EXCH A,E - PUSH TP,-1(TP) ; PAIN AND SUFFERING - PUSH TP,-1(TP) - MOVEM A,-3(TP) - MOVEM B,-2(TP) - JUMPE E,CIPUT1 - GETYP 0,C - CAIE 0,TFIX ; YES DO STRUCT - JRST CIPUT1 - MOVE C,D - SOJL C,OUTRNG ; CHECK BOUNDS - PUSHJ P,@IPUTBL(E) -PMPOPJ: POP TP,B - POP TP,A - JRST MPOPJ - -CIPUT1: PUSHJ P,IPUT - JRST PMPOPJ - -; SMON -- SET MONITOR BITS -; B/ -; D/ OR -; E/ BITS - -SMON: GETYP A,(B) - PUSHJ P,PTYPE ; TO PRIM TYPE - HLRZS A - SKIPE A,SMONTB(A) ; DISPATCH? - JRST (A) - -; COULD STILL BE LOCN OR LOCD - - GETYP A,(B) ; TYPE BACK - CAIE A,TLOCN - JRST SMON2 ; COULD BE LOCD - MOVE C,1(B) ; POINT - HRRI D,VAL(C) ; MAKE INST POINT - JRST SMON3 - -SMON2: CAIE A,TLOCD - JRST WRONGT - - -; SET LIST/TUPLE/ID LOCATIVE - -SMON4: HRR D,1(B) ; POINT TO TYPE WORD -SMON3: XCT D - POPJ P, - -; SET UVEC LOC - -SMON5: HRRZ C,1(B) ; POINT TO TOP OF UV - HLRE 0,1(B) - SUB C,0 ; POINT TO DOPE - HRRI D,(C) ; POINT IN INST - JRST SMON3 - -; SET CHSTR LOC - -SMON6: MOVEI C,(B) ; FOR BYTDOP - PUSHJ P,BYTDOP ; POINT TO DOPE - HRRI D,(A)-1 - JRST SMON3 - -PRDISP SMONTB,0,[[P2WORD,SMON4],[P2NWOR,SMON4],[PARGS,SMON4] -[PNWORD,SMON5],[PCHSTR,SMON6]] - - -; COMPILER'S MONAD? - -CIMON: PUSH P,A - GETYP A,A - PUSHJ P,CPTYPE - JUMPE A,CIMON1 - POP P,A - JRST CEMPTY - -CIMON1: POP P,A - JRST YES - -; FUNCTION TO DECIDE IF FURTHER DECOMPOSITION POSSIBLE - -MFUNCTION MONAD,SUBR,MONAD? - - ENTRY 1 - - MOVE B,AB ; CHECK PRIM TYPE - PUSHJ P,PTYPE - JUMPE A,ITRUTH ;RETURN ARGUMENT - SKIPE B,1(AB) - JRST @MONTBL(A) ;DISPATCH ON PTYPE - JRST ITRUTH - -PRDISP MONTBL,IFALSE,[[P2NWORD,MON1],[PNWORD,MON1],[PARGS,MON1] -[PCHSTR,CHMON],[PTMPLT,TMPMON]] - -MON1: JUMPGE B,ITRUTH ;EMPTY VECTOR - JRST IFALSE - -CHMON: HRRZ B,(AB) - JUMPE B,ITRUTH - JRST IFALSE - -TMPMON: PUSHJ P,LNTMPL - JUMPE B,ITRUTH - JRST IFALSE - -CISTRU: GETYP A,A ; COMPILER CALL - PUSHJ P,ISTRUC - JRST NO - JRST YES - -ISTRUC: PUSHJ P,SAT ; STORAGE TYPE - SKIPE A,PRMTYP(A) - AOS (P) ; SKIP IF WINS - POPJ P, - -; SUBR TO CHECK FOR LOCATIVE - -MFUNCTION %LOCA,SUBR,[LOCATIVE?] - - ENTRY 1 - GETYP A,(AB) - PUSHJ P,LOCQQ - JRST IFALSE - JRST ITRUTH - -; SKIPS IF TYPE IN A IS A LOCATIVE - -LOCQ: GETYP A,(B) ; GET TYPE -LOCQQ: PUSH P,A ; SAVE FOR LOCN/LOCD - PUSHJ P,SAT - MOVE A,PRMTYP(A) - JUMPE A,LOCQ1 - SUB P,[1,,1] - TRNN A,-1 -LOCQ2: AOS (P) - POPJ P, - -LOCQ1: POP P,A ; RESTORE TYPE - CAIE A,TLOCN - CAIN A,TLOCD - JRST LOCQ2 - POPJ P, - - -; MUDDLE SORT ROUTINE - -; P-STACK OFFSETS MUDDLE SORT ROUTINE - -; P-STACK OFFSETS FOR THIS PROGRAM - -XCHNG==0 ; FLAG SAYING AN EXCHANGE HAS HAPPENED -PLACE==-1 ; WHERE WE ARE NOW -UTYP==-2 ; TYPE OF UNIFORM VECTOR -DELT==-3 ; DIST BETWEEN COMPARERS - -MFUNCTION SORT,SUBR - - ENTRY - - HLRZ 0,AB ; CHECK FOR ENOUGH ARGS - CAILE 0,-4 - JRST TFA - GETYP A,(AB) ; 1ST MUST EITHER BE FALSE OR APPLICABLE - CAIN A,TFALSE - JRST SORT1 ; FALSE, OK - PUSHJ P,APLQ ; IS IT APPLICABLE - JRST NAPT ; NO, LOSER - -SORT1: MOVE B,AB - ADD B,[2,,2] ; BUMP TO POINT TO MAIN ARRAY - SETZB D,E ; 0 # OF STUCS AND LNTH - -SORT2: GETYP A,(B) ; GET ITS TYPE - PUSHJ P,PTYPE ; IS IT STRUCTURED? - MOVEI C,1 ; CHECK TYPE OF STRUC - CAIN A,PNWORD ; UVEC? - MOVEI C,0 ; YUP - CAIE A,PARGS - CAIN A,P2NWORD ; VECTOR - MOVNI C,1 - JUMPG C,WTYP - PUSH TP,(B) ; PUSH IT - PUSH TP,1(B) - ADD B,[2,,2] ; GO ON - MOVEI A,1 ; DEFAULT REC SIZE - PUSHJ P,NXFIX ; SIZE OF RECORD? - HLRZ 0,-2(TP) ; -LNTH OF STUC - HRRZ A,(TP) ; LENGTH OF REC - IDIVI 0,(A) ; DIV TO GET - # OF RECS - SKIPN D ; PREV LENGTH EXIST? - MOVE D,0 ; NO USE THIS - CAME 0,D - JRST SLOSE0 - MOVEI A,0 ; DEF REC SIZE - PUSHJ P,NXFIX ; AND OFFSET OF KEY - SUBI E,1 - JUMPL B,SORT2 ; GO ON - HRRM E,4(TB) ; SAVE THAT IN APPROPRIATE PLACE - - MOVE 0,3(TB) - CAMG 0,5(TB) ; CHECK FOR BAD OFFSET - JRST SLOSE3 - -; NOW CHECK WHATEVER STUCTURE THIS IS IS UNIFORM AND HAS GOOD ELEMENTS - - HLRE B,1(TB) ; COMP LENGTH - MOVNS B - HRRZ C,2(TB) ; GET VEC/UVEC FLAG - MOVEI D,(B) - ASH B,(C) ; FUDGE - JUMPE C,.+3 ; SKIP FOR UVEC - MOVE 0,[1,,1] ; ELSE FUDGE KEY OFFSET - ADDM 0,5(TB) - HRRZ 0,3(TB) ; GET REC LENGTH - IDIV D,0 ; # OF RECS - JUMPN E,SLOSE4 - CAIG D,1 ; MORE THAN 1? - JRST SORTD ; NO, DONE ALREADY - GETYP 0,(AB) ; TYPE OF COMPARER - CAIE 0,TFALSE ; IF FALSE, STRUCT MUST CONTAIN FIX,FLOAT,ATOM OR STRING - JRST SORT3 ; USER SUPPLIED COMPARER, LET HIM WORRY - -; NOW CHECK OUT ELEMENT TYPES - - JUMPN C,SORT5 ; JUMP IF GENERAL - MOVEI D,1(B) ; FIND END OF VECTOR - ADD D,1(TB) ; D POINTS TO END - PUSHJ P,TYPCH1 ; GET TYPE AND CHECK IT - JRST SORT6 - -SORT5: MOVE D,1(TB) ; POINT TO VEC - ADD D,5(TB) ; INTO REC TO KEY - PUSHJ P,TYPCH1 - -SAMELP: GETYP C,-1(D) ; GET TYPE - CAIE 0,(C) ; COMPARE TYPE - JRST SLOSE2 - ADD D,3(TB) ; TO NEXT RECORD - JUMPL D,SAMELP - -SORT6: CAIE A,S1WORD ; 1 WORDS? - JRST SORT7 - MOVEI E,INTSRT - MOVSI A,400000 ; SET UP MASK -SORT9: PUSHJ P,ISORT - MOVE A,2(AB) - MOVE B,3(AB) - JRST FINIS - -SORT7: CAIE A,SATOM ; ATOMS? - JRST SORT8 - MOVE E,[-3,,ATMSRT] ; SET UP FOR ATOMS - MOVE A,[430140,,3(D)] ; BIT POINTER FOR ATOMS - JRST SORT9 - -SORT8: MOVE E,[1,,STRSRT] ; MUST BE STRING SORT - MOVE A,[430140,,(D)] ; BYTE POINTER FOR STRINGER - JRST SORT9 - -; TABLES FOR RADIX SORT CHECKERS - -INTSRT==0 -ATMSRT==1 -STRSRT==2 - -TST1: PUSHJ P,I.TST1 - PUSHJ P,A.TST1 - PUSHJ P,S.TST1 - -TST2: PUSHJ P,I.TST2 - PUSHJ P,A.TST2 - PUSHJ P,S.TST2 - -NXBIT: ROT A,-1 - PUSHJ P,A.NXBI - PUSHJ P,S.NXBI - -PREBIT: ROT A,1 - PUSHJ P,A.PREB - PUSHJ P,S.PREB - -ENDTST: SKIPGE A - TLOE A,40 - TLOE A,40 - -; INTEGER SORT SPECIFIC ROUTINES - -I.TST1: JUMPL A,I.TST3 -I.TST4: TDNE A,(D) - AOS (P) - POPJ P, - -I.TST2: JUMPL A,I.TST4 -I.TST3: TDNN A,(D) - AOS (P) - POPJ P, - -; ATOM SORT SPECIFIC ROUTINES - -A.TST1: MOVE D,(D) ; GET AN ATOM - CAMG E,D ; SKIP IF NOT EXHAUSTED - POPJ P, - TLZ A,40 ; TELL A BIT HAS HAPPENED - LDB D,A ; GET THE BIT - SKIPE D - AOS (P) ; SKIP IF ON - POPJ P, - -A.TST2: PUSHJ P,A.TST1 ; USE OTHER ROUTINE - AOS (P) - POPJ P, - -A.NXBI: TLNN A,770000 ; CHECK FOR WORD CHANGE - SUB E,[1,,0] ; FIX WORD CHECKER - IBP A - POPJ P, - -A.PREB: ADD A,[10000,,] ; AH FOR A DECR BYTE POINTER - SKIPG A - CAMG A,[437777,,-1] ; SKIP IF BACKED OVER WORD - POPJ P, - TLZ A,770000 ; CLOBBER POSIT FIELD - SUBI A,1 ; DECR WORD POS FIELD - ADD E,[1,,0] ; AND FIX WORD HACKER - POPJ P, - -; STRING SPECIFIC SORT ROUTINES - -S.TST1: HRLZ 0,-1(D) ; LENGTH OF STRING - IMULI 0,7 ; IN BITS - HRRI 0,-1 ; MAKE SURE BIGGER RH - CAMG 0,E ; SKIP IF MORE BITS LEFT - POPJ P, ; DON TSKIP - TLZ A,40 ; BIT FOUND - HLRZ 0,(D) ; CHECK FOR SIMPLE CASE - HRRZ D,(D) ; POINT TO STRING - CAIN 0,440700 ; SKIP IF HAIRY - JRST S.TST3 - - PUSH P,A ; SAVE BYTER - MOVEI A,440700 ; COMPUTE BITS NOT USED 1ST WORD - SUBI A,@0 - HLRZ 0,(P) ; GET BIT POINTER - SUBI 0,(A) ; UPDATE POS FIELD - JUMPGE 0,.+2 ; NO NEED FOR NEXT WORD - ADD 0,[1,,440000] - MOVSS 0 - HRRZ A,(P) ; REBUILD BYTE POINTER - ADDI 0,(A) - LDB 0,0 ; GET THE DAMN BYTE - POP P,A - JRST .+2 - -S.TST3: LDB 0,A ; GET BYTE FOR EASY CASE - SKIPE 0 - AOS (P) - POPJ P, - -S.TST2: PUSHJ P,S.TST1 - AOS (P) - POPJ P, - -S.NXBI: IBP A ; BUMP BYTER - TLNN A,770000 ; SKIP IF NOT END BIT - IBP A ; SKIP END BIT (NOT USED IN ASCII STRINGS) - ADD E,[1,,0] ; COUNT BIT - POPJ P, - -S.PREB: SUB E,[1,,0] ; DECR CHAR COUNT - ADD A,[10000,,0] ; PLEASE GIVE ME A DECRBYTEPNTR - SKIPG A - CAMG A,[437777,,-1] - POPJ P, - TLC A,450000 ; POINT TO LAST USED BIT IN WORD - SUBI A,1 - POPJ P, - -; SIMPLE RADIX EXCHANGE - -ISORT: MOVE B,1(TB) ; START OF VECTOR - HLRE D,B ; COMPUTE POINTER TO END OF IT - SUBM B,D ; FIND END - MOVEI C,(D) - -ISORT1: PUSH TP,(TB) - PUSH TP,C - MOVE 0,C ; SEE IF HAVE MET AT MIDDLE - SUB 0,3(TB) - ANDI 0,-1 - CAIGE 0,(B) - JRST ISORT7 ; HAVE MET, LEAVE - PUSH TP,(TB) ; SAVE OTHER POINTER - PUSH TP,B - - INTGO - MOVE B,(TP) ; IN CASE MOVED - MOVE C,-2(TP) - -ISORT3: HRRZ D,5(TB) ; OFFSET TO KEY - ADDI D,(B) ; POINT TO KEY - XCT TST1(E) ; CHECK FOR LOSER - JRST ISORT4 - SUB C,3(TB) ; IS THERE ONE TO EXCHANGE WITH - HRRZ D,5(TB) - ADDI D,(C) - XCT TST2(E) ; SKIP IF A POSSIBLE EXCHANGE - JRST ISORT2 ; NO EXCH, KEEP LOOKING - - PUSHJ P,EXCHM ; DO THE EXCHANGE - -ISORT4: ADD B,3(TB) ; HAVE EXCHANGED, MOVE ON -ISORT2: CAME B,C ; MET? - JRST ISORT3 ; MORE TO CHECK - XCT NXBIT(E) ; NEXT BIT - MOVE B,(TP) ; RESTORE TOP POINTER - SUB TP,[2,,2] ; FLUSH IT - XCT ENDTST(E) - JRST ISORT6 - PUSHJ P,ISORT1 ; SORT SUB AREA - MOVE C,(TP) ; AND OTHER SUB AREA - PUSHJ P,ISORT1 -ISORT6: XCT PREBIT(E) -ISORT7: MOVE B,(TP) - SUB TP,[2,,2] - POPJ P, - -; SCHELL SORT FOR USER SUPPLIED COMPARER - -SORT3: ADDI D,1 - ASH D,-1 ; COMPUTE INITIAL D - PUSH P,D ; AND SAVE IT - PUSH P,[0] ; MAY HOLD UTYPE OF VECTOR - HRRZ 0,(TB) ; 0 NON ZERO MEANS GEN VECT - JUMPN 0,SSORT1 ; DONT COMPUTE UTYPE - HLRE C,1(TB) - HRRZ D,1(TB) ; FIND TYPE - SUBI D,(C) - GETYP D,(D) - MOVSM D,(P) ; AND SAVE -SSORT1: PUSH P,[0] ; CURRENT PLACE IN VECTOR - PUSH P,[0] ; EXCHANGE FLAG - PUSH TP,[0] - PUSH TP,[0] - -; OUTER LOOP STARTS HERE - -OUTRLP: SETZM XCHNG(P) ; NO EXHCANGE YET - SETZM PLACE(P) - -INRLP: PUSH TP,(AB) ; PUSH USER COMPARE FCN - PUSH TP,1(AB) - MOVE C,PLACE(P) ; GET CURRENT PLACE - ADD C,1(TB) ; ADD POINTER TO VEC IN - ADD C,5(TB) ; OFFSET TO KEY - PUSHJ P,GETELM - MOVE D,3(TB) - IMUL D,DELT(P) ; TIMES WORDS PER REC - ADD C,D - PUSHJ P,GETELM - MCALL 3,APPLY ; APPLY IT - GETYP 0,A ; TYPE OF RETURN - CAIN 0,TFALSE ; SKIP IF MUST CHANGE - JRST INRLP1 - - MOVE C,1(TB) ; POINT TO START - ADD C,PLACE(P) - MOVE B,3(TB) - IMUL B,DELT(P) - ADD B,C - PUSHJ P,EXCHM ; EXCHANGE THEM - SETOM XCHNG(P) ; SAY AN EXCHANGE TOOK PLACE - -INRLP1: MOVE C,3(TB) ; GET OFFSET - ADDB C,PLACE(P) - MOVE D,3(TB) - IMUL D,DELT(P) - ADD C,D ; CHECK FOR OVERFLOW - ADD C,1(TB) - JUMPL C,INRLP - SKIPE XCHNG(P) ; ANY EXCHANGES? - JRST OUTRLP ; YES, RESET PLACE AND GO - SOSG D,DELT(P) ; SKIP IF DIST WAS 1 - JRST SORTD - ADDI D,2 ; COMPUTE NEW DIST - ASH D,-1 - MOVEM D,DELT(P) - JRST OUTRLP - -SORTD: MOVE A,2(AB) ; DONE, RET 1ST STRUC - MOVE B,3(AB) - JRST FINIS - -; ROUTINE TO GET NEXT ARG IF ITS FIX - -NXFIX: JUMPGE B,NXFIX1 ; NONE LEFT, USE DEFAULT - GETYP 0,(B) ; TYPE - CAIE 0,TFIX ; FIXED? - JRST NXFIX1 ; NO, USE DEFAULT - MOVE A,1(B) ; GET THE NUMBER - ADD B,[2,,2] ; BUMP TO NEXT ARG -NXFIX1: HRLI C,TFIX - TRNE C,-1 ; SKIP IF UV - ASH A,1 ; FUDGE FOR VEC/UVEC - HRLI A,(A) - PUSH TP,C - PUSH TP,A - POPJ P, - -GETELM: SKIPN A,UTYP-1(P) ; SKIP IF UVECT - MOVE A,-1(C) ; GGET GEN TYPE - PUSH TP,A - PUSH TP,(C) - POPJ P, - -TYPCH1: GETYP A,-1(D) ; GET TYPE - MOVEI 0,(A) ; SAVE IN 0 - PUSHJ P,SAT ; AND SAT - CAIE A,SCHSTR ; STRING - CAIN A,SATOM - POPJ P, - CAIN A,S1WORD ; 1-WORD GOODIE - POPJ P, - JRST SLOSE1 - -; HERE TO DO EXCHANGE - -EXCHM: PUSH P,E - PUSH P,A ; SAVE VITAL ACS - PUSH P,B - PUSH P,C - SUB B,1(TB) ; COMPUTE RECORD # - HLRZS B ; TO RH - HRRZ 0,3(TB) ; GET REC LENGTH - IDIV B,0 ; DIV BY REC LENGTH - MOVE C,(P) - SUB C,1(TB) ; SAME FOR C - HLRZS C - IDIV C,0 ; NOW HAVE OTHER RECORD - - HRRE D,4(TB) ; - # OF STUCS - MOVSI D,(D) ; MAKE AN AOBJN POINTER - HRRI D,(TB) ; TO TEMPPS - -RECLP: HRRZ 0,3(D) ; GET REC LENGTH - MOVN E,3(D) ; NOW AOBJN TO REC - MOVSI E,(E) - HRR E,1(D) - MOVEI A,(C) ; COMP START OF REC - IMUL A,0 ; TIMES REC LENGTH - ADDI E,(A) - MOVEI A,(B) - IMUL A,0 - ADD A,1(D) ; POINT TO OTHER RECORD - -EXCHLP: EXCH 0,(A) - EXCH 0,(E) - EXCH 0,(A) - ADDI A,1 - AOBJN E,EXCHLP - - ADD D,[1,,6] ; TO NEXT STRUC - JUMPL D,RECLP ; IF MORE - - POP P,C - POP P,B - POP P,A - POP P,E - POPJ P, - -; FUNCTION TO DETERMINE MEMBERSHIP IN LISTS AND VECTORS - -MFUNCTION MEMBER,SUBR - - MOVE E,[PUSHJ P,EQLTST] ;TEST ROUTINE IN E - JRST MEMB - -MFUNCTION MEMQ,SUBR - - MOVE E,[PUSHJ P,EQTST] ;EQ TESTER - -MEMB: ENTRY 2 - MOVE B,AB ;POINT TO FIRST ARG - PUSHJ P,PTYPE ;CHECK PRIM TYPE - ADD B,[2,,2] ;POINT TO 2ND ARG - PUSHJ P,PTYPE - JUMPE A,WTYP2 ;2ND WRONG TYPE - PUSH TP,(AB) - PUSH TP,1(AB) - MOVE C,2(AB) ; FOR TUPLE CASE - SKIPE B,3(AB) ;GOBBLE LIST VECTOR ETC. POINTER - PUSHJ P,@MEMTBL(A) ;DISPATCH - JRST IFALSE ;OR REPORT LOSSAGE - JRST FINIS - -PRDISP MEMTBL,IWTYP2,[[P2WORD,MEMLST],[PNWORD,MUVEC],[P2NWORD,MEMVEC] -[PARGS,MEMTUP],[PCHSTR,MEMCH],[PTMPLT,MEMTMP]] - - - -MEMLST: MOVSI 0,TLIST ;SET B'S TYPE TO LIST - MOVEM 0,BSTO(PVP) - JUMPE B,MEMLS6 ; EMPTY LIST LOSE IMMEDIATE - -MEMLS1: INTGO ;CHECK INTERRUPTS - MOVEI C,(B) ;COPY POINTER - GETYP D,(C) ;GET TYPE - MOVSI A,(D) ;COPY - CAIE D,TDEFER ;DEFERRED? - JRST MEMLS2 - MOVE C,1(C) ;GET DEFERRED DATUM - GETYPF A,(C) ;GET FULL TYPE WORD -MEMLS2: MOVE C,1(C) ;GET DATUM - XCT E ;DO THE COMPARISON - JRST MEMLS3 ;NO MATCH - MOVSI A,TLIST -MEMLS5: AOS (P) -MEMLS6: SETZM BSTO(PVP) ;RESET B'S TYPE - POPJ P, - -MEMLS3: HRRZ B,(B) ;STEP THROGH - JUMPN B,MEMLS1 ;STILL MORE TO DO -MEMLS4: MOVSI A,TFALSE ;RETURN FALSE - JRST MEMLS6 ;RETURN 0 - -MEMTUP: HRRZ A,C - TLOA A,TARGS -MEMVEC: MOVSI A,TVEC ;CLOBBER B'S TYPE TO VECTOR - JUMPGE B,MEMLS4 ;EMPTY VECTOR - MOVEM A,BSTO(PVP) - -MEMV1: INTGO ;CHECK FOR INTS - GETYPF A,(B) ;GET FULL TYPE - MOVE C,1(B) ;AND DATA - XCT E ;DO COMPARISON INS - JRST MEMV2 ;NOT EQUAL - MOVE A,BSTO(PVP) - JRST MEMLS5 ;RETURN WITH POINTER - -MEMV2: ADD B,[2,,2] ;INCREMENT AND GO - JUMPL B,MEMV1 ;STILL WINNING -MEMV3: MOVEI B,0 - JRST MEMLS4 ;AND RETURN FALSE - -MUVEC: JUMPGE B,MEMLS4 - GETYP A,-1(TP) ;GET TYPE OF GODIE - HLRE C,B ;LOOK FOR UNIFORM TYPE - SUBM B,C ;DOPE POINTER TO C - GETYP C,(C) ;GET THE TYPE - CAIE A,(C) ;ARE THEY THE SAME? - JRST MEMLS4 ;NO, LOSE - MOVSI A,TUVEC - CAIN 0,SSTORE - MOVSI A,TSTORA - PUSH P,A - MOVEM A,BSTO(PVP) - MOVSI A,(C) ;TYPE TO LH - PUSH P,A ; SAVE FOR EACH TEST - -MUVEC1: INTGO ;CHECK OUT INTS - MOVE C,(B) ;GET DATUM - MOVE A,(P) ; GET TYPE - XCT E ;COMPARE - AOBJN B,MUVEC1 ;LOOP TO WINNAGE - SUB P,[1,,1] - POP P,A - JUMPGE B,MEMV3 ;LOSE RETURN - -MUVEC2: JRST MEMLS5 - - -MEMCH: GETYP A,-1(TP) ;IS ARG A SINGLE CHAR - CAIE A,TCHRS ;SKIP IF POSSIBLE WINNER - JRST MEMSTR - MOVEI 0,(C) - MOVE D,(TP) ; AND CHAR - -MEMCH1: SOJL 0,MEMV3 - MOVE E,B - ILDB A,B - CAIE A,(D) ;CHECK IT - SOJA C,MEMCH1 - -MEMCH2: MOVE B,E - MOVE A,C - JRST MEMLS5 - -MEMSTR: CAME E,[PUSHJ P,EQLTST] - JRST MEMV3 - HLRZ A,C - CAIE A, TCHSTR ; A SHOULD HAVE TCHSTR IN RIGHT HALF - JRST MEMV3 - MOVEI 0,(C) ; GET # OF CHAR INTO 0 - ILDB D,(TP) - PUSH P,D ; PUTS 1ST CHAR OF 1ST ARG ONTO STACK - -MEMST1: SOJL 0,MEMLS ; HUNTS FOR FIRST MATCHING CHAR - MOVE E,B - ILDB A,B - CAME A,(P) - SOJA C,MEMST1 ; MATCH FAILS TRY NEXT - - PUSH P,B - PUSH P,E - PUSH P,C - PUSH P,0 - MOVE E,(TP) ; MATCH WINS SAVE OLD VALUES FOR FAILING LOOP - HRRZ C,-1(TP) ; LENGTH OF 1ARG -MEMST2: SOJE C,MEMWN ; WON -RAN OUT OF 1ARG FIRST- - SOJL MEMLSR ; LOST -RAN OUT OF 2ARG- - ILDB A,B - ILDB D,E - CAIN A,(D) ; SKP IF POSSIBLY LOST -BACK TO MEMST1- - JRST MEMST2 - - POP P,0 - POP P,C - POP P,E - POP P,B - SOJA C,MEMST1 - -MEMWN: MOVE B,-2(P) ; SETS UP ARGS LIKE MEMCH2 - HAVE WON - MOVE A,-1(P) - SUB P,[5,,5] - JRST MEMLS5 - -MEMLSR: SUB P,[5,,5] - JRST MEMV3 - -MEMLS: SUB P,[1,,1] - JRST MEMV3 - -; MEMBERSHIP FOR TEMPLATE HACKER - -MEMTMP: GETYP 0,(B) ; GET REAL SAT - PUSH P,E - PUSH P,0 - PUSH TP,A - PUSH TP,B ; SAVE GOOEIE - PUSHJ P,TM.LN1 ; GET LENGTH - MOVEI B,(B) - HLRZ A,(TP) ; FUDGE FOR REST - SUBI B,(A) - PUSH P,B ; SAVE LENGTH - PUSH P,[-1] - POP TP,B - POP TP,A - MOVEM A,BSTO+1(PVP) - -MEMTM1: SETZM BSTO(PVP) - AOS C,(P) - SOSGE -1(P) - JRST MEMTM2 - MOVE 0,-2(P) - PUSHJ P,TMPLNT ; GET ITEM - EXCH C,B ; VALUE TO C, POINTER BACK TO B - MOVE E,-3(P) - MOVSI 0,TTMPLT - MOVEM 0,BSTO(PVP) - XCT E - JRST MEMTM1 - - HRL B,(P) ; DO APPROPRIATE REST - AOS -4(P) -MEMTM2: SUB P,[4,,4] - MOVSI A,TTMPLT - SETZM BSTO(PVP) - POPJ P, - -EQTST: GETYP A,A - GETYP 0,-1(TP) - CAMN C,(TP) ;CHECK VALUE - CAIE 0,(A) ;AND TYPE - POPJ P, - JRST CPOPJ1 - -EQLTST: PUSH TP,BSTO(PVP) - PUSH TP,B - PUSH TP,A - PUSH TP,C - SETZM BSTO(PVP) - PUSH P,E ;SAVE INS - MOVEI C,-5(TP) ;SET UP CALL TO IEQUAL - MOVEI D,-1(TP) - AOS -1(P) ;ASSUME SKIP - PUSHJ P,IEQUAL ;GO INO EQUAL - SOS -1(P) ;UNDO SKIP - SUB TP,[2,,2] ;AND POOP OF CRAP - POP TP,B - POP TP,BSTO(PVP) - POP P,E - POPJ P, - -; COMPILER MEMQ AND MEMBER - -CIMEMB: SKIPA E,[PUSHJ P,EQLTST] - -CIMEMQ: MOVE E,[PUSHJ P,EQTST] - SUBM M,(P) - PUSH TP,A - PUSH TP,B - GETYP A,C - PUSHJ P,CPTYPE - JUMPE A,COMPERR - MOVE B,D ; STRUCT TO B - PUSHJ P,@MEMTBL(A) - TDZA 0,0 ; FLAG NO SKIP - MOVEI 0,1 ; FLAG SKIP - SUB TP,[2,,2] - JUMPE 0,NOM - SOS (P) ; SKIP RETURN - JRST MPOPJ - - -; FUNCTION TO RETURN THE TOP OF A VECTOR , CSTRING OR UNIFORM VECTOR - -MFUNCTION TOP,SUBR - - ENTRY 1 - - MOVE B,AB ;CHECK ARG - PUSHJ P,PTYPE - MOVEI E,(A) - MOVE A,(AB) - MOVE B,1(AB) - PUSHJ P,@TOPTBL(E) ;DISPATCH - JRST FINIS - -PRDISP TOPTBL,IWTYP1,[[PNWORD,UVTOP],[P2NWORD,VTOP],[PCHSTR,CHTOP],[PARGS,ATOP] -[PTMPLT,BCKTOP]] - -BCKTOP: MOVEI B,(B) ; FIX UP POINTER - MOVSI A,TTMPLT - POPJ P, - -UVTOP: SKIPA A,$TUVEC -VTOP: MOVSI A,TVEC - CAIN 0,SSTORE - MOVSI A,TSTORA - HLRE C,B ;AND -LENGTH - HRRZS B - SUB B,C ;POINT TO DOPE WORD - HLRZ D,1(B) ;TOTAL LENGTH - SUBI B,-2(D) ;POINT TO TOP - MOVNI D,-2(D) ;-LENGTH - HRLI B,(D) ;B NOW POINTS TO TOP - POPJ P, - -CHTOP: PUSH TP,A - PUSH TP,B - LDB 0,[360600,,(TP)] ; POSITION FIELD - LDB E,[300600,,(TP)] ; AND SIZE FILED - IDIVI 0,(E) ; 0/ BYTES IN 1ST WORD - MOVEI C,36. ; BITS PER WORD - IDIVI C,(E) ; BYTES PER WORD - PUSH P,C - SUBM C,0 ; UNUSED BYTES I 1ST WORD - ADD 0,-1(TP) ; LENGTH OF WORD BOUNDARIED STRING - MOVEI C,-1(TP) ; GET DOPE WORD - PUSHJ P,BYTDOP - HLRZ C,(A) ; GET LENGTH - SUBI A,-1(C) ; START +1 - MOVEI B,(A) ; SETUP BYTER - HRLI B,440000 - SUB A,(TP) ; WORDS DIFFERENT - IMUL A,(P) ; CHARS EXTRA - SUBM 0,A ; FINAL TOTAL TO A - HRLI A,TCHSTR - POP P,C - DPB E,[300600,,B] - SUB TP,[2,,2] - POPJ P, - - - -ATOP: - -GETATO: HLRE C,B ;GET -LENGTH - HRROS B - SUB B,C ;POINT PAST - GETYP 0,(B) ;GET NEXT TYPE (ASSURED OF BEING EITHER TINFO OR TENTRY) - CAIN 0,TENTRY ;IF ENTRY - JRST EASYTP ;WANT UNEVALUATED ARGS - HRRE C,(B) ;ELSE-- GET NO. OF ARGS (*-2) - SUBI B,(C) ;GO TO TOP - TLCA B,-1(C) ;STORE NUMBER IN TOP POINTER -EASYTP: MOVE B,FRAMLN+ABSAV(B) ;GET ARG POINTER - HRLI A,TARGS - POPJ P, - -; COMPILERS ENTRY TO TOP - -CITOP: PUSHJ P,CPTYEE - CAIN E,P2WORD ; LIST? - JRST COMPERR - PUSHJ P,@TOPTBL(E) - JRST MPOPJ - -; FUNCTION TO CLOBBER THE CDR OF A LIST - -MFUNCTION PUTREST,SUBR,[PUTREST] - ENTRY 2 - - MOVE B,AB ;COPY ARG POINTER - PUSHJ P,PTYPE ;CHECK IT - CAIE A,P2WORD ;LIST? - JRST WTYP1 ;NO, LOSE - ADD B,[2,,2] ;AND NEXT ONE - PUSHJ P,PTYPE - CAIE A,P2WORD - JRST WTYP2 ;NOT LIST, LOSE - HRRZ B,1(AB) ;GET FIRST - MOVE D,3(AB) ;AND 2D LIST - CAIL B,HIBOT - JRST PURERR - HRRM D,(B) ;CLOBBER - MOVE A,(AB) ;RETURN CALLED TYPE - JRST FINIS - - - -; FUNCTION TO BACK UP A VECTOR, UVECTOR OR CHAR STRING - -MFUNCTION BACK,SUBR - - ENTRY - - MOVEI C,1 ;ASSUME BACKING UP ONE - JUMPGE AB,TFA ;NO ARGS IS TOO FEW - CAML AB,[-2,,0] ;SKIP IF MORE THAN 2 ARGS - JRST BACK1 ;ONLY ONE ARG - GETYP A,2(AB) ;GET TYPE - CAIE A,TFIX ;MUST BE FIXED - JRST WTYP2 - SKIPGE C,3(AB) ;GET NUMBER - JRST OUTRNG - CAMGE AB,[-4,,0] ;SKIP IF WINNING NUMBER OF ARGS - JRST TMA -BACK1: MOVE B,AB ;SET UP TO FIND TYPE - PUSHJ P,PTYPE ;GET PRIM TYPE - MOVEI E,(A) - MOVE A,(AB) - MOVE B,1(AB) ;GET DATUM - PUSHJ P,@BCKTBL(E) - JRST FINIS - -PRDISP BCKTBL,IWTYP2,[[PNWORD,BACKU],[P2NWORD,BACKV],[PCHSTR,BACKC],[PARGS,BACKA] -[PTMPLT,BCKTMP]] - -BACKV: LSH C,1 ;GENERAL, DOUBLE AMOUNT - SKIPA A,$TVEC -BACKU: MOVSI A,TUVEC - CAIN 0,SSTORE - MOVSI A,TSTORA - HRLI C,(C) ;TO BOTH HALVES - SUB B,C ;BACK UP VECTOR POINTER - HLRE C,B ;FIND OUT IF OVERFLOW - SUBM B,C ;DOPE POINTER TO C - HLRZ D,1(C) ;GET LENGTH - SUBI C,-2(D) ;POINT TO TOP - ANDI C,-1 - CAILE C,(B) ;SKIP IF A WINNER - JRST OUTRNG ;COMPLAIN -BACKUV: POPJ P, - -BCKTMP: MOVSI C,(C) - SUB B,C ; FIX UP POINTER - JUMPL B,OUTRNG - MOVSI A,TTMPLT - POPJ P, - -BACKC: PUSH TP,A - PUSH TP,B - ADDI A,(C) ; NEW LENGTH - HRLI A,TCHSTR - PUSH P,A ; SAVE COUNT - LDB E,[300600,,B] ;BYTE SIZE - MOVEI 0,36. ;BITS PER WORD - IDIVI 0,(E) ;DIVIDE TO FIND BYTES/WORD - IDIV C,0 ;C/ WORDS BACK, D/BYTES BACK - SUBI B,(C) ;BACK WORDS UP - JUMPE D,CHBOUN ;CHECK BOUNDS - - IMULI 0,(E) ;0/ BITS OCCUPIED BY FULL WORD - LDB A,[360600,,B] ;GET POSITION FILED -BACKC2: ADDI A,(E) ;BUMP - CAIGE A,36. - JRST BACKC1 ;O.K. - SUB A,0 - SUBI B,1 ;DECREMENT POINTER PART -BACKC1: SOJG D,BACKC2 ;DO FOR ALL BYTES - - - - DPB A,[360600,,B] ;FIX UP POINT BYTER -CHBOUN: MOVEI C,-1(TP) - PUSHJ P,BYTDOP ; FIND DOPE WORD - HLRZ C,(A) - SUBI A,-1(C) ; POINT TO TOP - MOVE C,B ; COPY BYTER - IBP C - CAILE A,(C) ; SKIP IF OK - JRST OUTRNG - POP P,A ; RESTORE COUNT - SUB TP,[2,,2] - POPJ P, - - -BACKA: LSH C,1 ;NUMBER TIMES 2 - HRLI C,(C) ;TO BOTH HALVES - SUB B,C ;FIX POINTER - MOVE E,B ;AND SAVE - PUSHJ P,GETATO ;LOOK A T TOP - CAMLE B,E ;COMPARE - JRST OUTRNG - MOVE B,E - POPJ P, - -; COMPILER'S BACK - -CIBACK: PUSHJ P,CPTYEE - JUMPL C,OUTRNG - CAIN E,P2WORD - JRST COMPERR - PUSHJ P,@BCKTBL(E) - JRST MPOPJ - -MFUNCTION STRCOMP,SUBR - - ENTRY 2 - - MOVE A,(AB) - MOVE B,1(AB) - MOVE C,2(AB) - MOVE D,3(AB) - PUSHJ P,ISTRCM - JRST FINIS - -ISTRCM: GETYP 0,A - CAIE 0,TCHSTR - JRST ATMCMP ; MAYBE ATOMS - - GETYP 0,C - CAIE 0,TCHSTR - JRST WTYP2 - - MOVEI A,(A) ; ISOLATR LENGHTS - MOVEI C,(C) - -STRCO2: SOJL A,CHOTHE ; ONE STRING EXHAUSTED, CHECK OTHER - SOJL C,1BIG ; 1ST IS BIGGER - ILDB 0,B - ILDB E,D - CAIN 0,(E) ; SKIP IF DIFFERENT - JRST STRCO2 - CAIL 0,(E) ; SKIP IF 2D BIGGER THAN 1ST - JRST 1BIG -2BIG: MOVNI B,1 - JRST RETFIX - -CHOTHE: JUMPN C,2BIG ; 2 IS BIGGER -SM.CMP: TDZA B,B ; RETURN 0 -1BIG: MOVEI B,1 -RETFIX: MOVSI A,TFIX - POPJ P, - -ATMCMP: CAIE 0,TATOM ; COULD BE ATOM - JRST WTYP1 ; NO, QUIT - GETYP 0,C - CAIE 0,TATOM - JRST WTYP2 - - CAMN B,D ; SAME ATOM? - JRST SM.CMP - ADD B,[3,,3] ; SKIP VAL CELL ETC. - ADD D,[3,,3] - -ATMCM1: MOVE 0,(B) ; GET A WORD OF CHARS - CAME 0,(D) ; SAME? - JRST ATMCM3 ; NO, GET DIF - AOBJP B,ATMCM2 - AOBJN D,ATMCM1 ; MORE TO COMPARE - JRST 1BIG ; 1ST IS BIGGER - - -ATMCM2: AOBJP D,SM.CMP ; EQUAL - JRST 2BIG - -ATMCM3: LSH 0,-1 ; AVOID SIGN LOSSAGE - MOVE C,(D) - LSH C,-1 - CAMG 0,C - JRST 2BIG - JRST 1BIG - - ;ERROR COMMENTS FOR SOME PRIMITIVES - -OUTRNG: PUSH TP,$TATOM - PUSH TP,EQUOTE OUT-OF-BOUNDS - JRST CALER1 - -WRNGUT: PUSH TP,$TATOM - PUSH TP,EQUOTE UNIFORM-VECTORS-TYPE-DIFFERS - JRST CALER1 - -SLOSE0: PUSH TP,$TATOM - PUSH TP,EQUOTE VECTOR-LENGTHS-DIFFER - JRST CALER1 - -SLOSE1: PUSH TP,$TATOM - PUSH TP,EQUOTE KEYS-WRONG-TYPE - JRST CALER1 - -SLOSE2: PUSH TP,$TATOM - PUSH TP,EQUOTE KEY-TYPES-DIFFER - JRST CALER1 - -SLOSE3: PUSH TP,$TATOM - PUSH TP,EQUOTE KEY-OFFSET-OUTSIDE-RECORD - JRST CALER1 - -SLOSE4: PUSH TP,$TATOM - PUSH TP,EQUOTE NON-INTEGER-NO.-OF-RECORDS - JRST CALER1 - -IIGETP: JRST IGETP ;FUDGE FOR MIDAS/STINK LOSSAGE -IIPUTP: JRST IPUTP - - ;SUPER USEFUL ERROR MESSAGES (USED BY WHOLE WORLD) - -WNA: PUSH TP,$TATOM - PUSH TP,EQUOTE WRONG-NUMBER-OF-ARGUMENTS - JRST CALER1 - -TFA: PUSH TP,$TATOM - PUSH TP,EQUOTE TOO-FEW-ARGUMENTS-SUPPLIED - JRST CALER1 - -TMA: PUSH TP,$TATOM - PUSH TP,EQUOTE TOO-MANY-ARGUMENTS-SUPPLIED - JRST CALER1 - -WRONGT: -WTYP: PUSH TP,$TATOM - PUSH TP,EQUOTE ARG-WRONG-TYPE - JRST CALER1 - -IWTYP1: -WTYP1: PUSH TP,$TATOM - PUSH TP,EQUOTE FIRST-ARG-WRONG-TYPE - JRST CALER1 - -IWTYP2: -WTYP2: PUSH TP,$TATOM - PUSH TP,EQUOTE SECOND-ARG-WRONG-TYPE - JRST CALER1 - -BADTPL: PUSH TP,$TATOM - PUSH TP,EQUOTE BAD-TEMPLATE-DATA - JRST CALER1 - -BADPUT: PUSH TP,$TATOM - PUSH TP,EQUOTE TEMPLATE-TYPE-VIOLATION - JRST CALER1 - -WTYP3: PUSH TP,$TATOM - PUSH TP,EQUOTE THIRD-ARG-WRONG-TYPE - JRST CALER1 - -CALER1: MOVEI A,1 -CALER: HRRZ C,FSAV(TB) - PUSH TP,$TATOM - CAMGE C,VECTOP - CAMGE C,VECBOT - SKIPA C,@-1(C) ; SUBRS AND FSUBRS - MOVE C,3(C) ; FOR RSUBRS - PUSH TP,C - ADDI A,1 - ACALL A,ERROR - JRST FINIS - - -GETWNA: HLRZ B,(E)-2 ;GET LOSING COMPARE INSTRUCTION - CAIE B,(CAIE A,) ;AS EXPECTED ? - JRST WNA ;NO, - HRRE B,(E)-2 ;GET DESIRED NUMBER OF ARGS - HLRE A,AB ;GET ACTUAL NUMBER OF ARGS - CAMG B,A - JRST TFA - JRST TMA - -END - TITLE PRINTER ROUTINE FOR MUDDLE - -RELOCATABLE - -.INSRT DSK:MUDDLE > - -.GLOBAL IPNAME,MTYO,FLOATB,RLOOKU,RADX,INAME,INTFCN,LINLN,DOIOTO,BFCLS1,ATOSQ,IGVAL -.GLOBAL BYTPNT,OPNCHN,CHRWRD,IDVAL,CHARGS,CHFRM,CHLOCI,PRNTYP,PRTYPE,IBLOCK,WXCT -.GLOBAL VECBOT,VAL,ITEM,INDIC,IOINS,DIRECT,TYPVEC,CHRPOS,LINPOS,ACCESS,PAGLN,ROOT,PROCID -.GLOBAL BADCHN,WRONGD,CHNCLS,IGET,FNFFL,ILLCHO,BUFSTR,BYTDOP,6TOCHS,PURVEC,STBL,RXCT -.GLOBAL TMPLNT,TD.LNT,MPOPJ,SSPEC1 -.GLOBAL CIPRIN,CIPRNC,CIPRN1,CPATM,CP1ATM,CPCATM,CPSTR,CP1STR,CPCSTR -.GLOBAL CIFLTZ,CITERP,CIUPRS,CPCH - -BUFLNT==100 ; BUFFER LENGTH IN WORDS - -FLAGS==0 ;REGISTER USED TO STORE FLAGS -CARRET==15 ;CARRIAGE RETURN CHARACTER -ESCHAR=="\ ;ESCAPE CHARACTER -SPACE==40 ;SPACE CHARACTER -ATMBIT==200000 ;BIT SWITCH FOR ATOM-NAME PRINT -NOQBIT==020000 ;SWITCH FOR NO ESCAPING OF OUTPUT (PRINC) -SEGBIT==010000 ;SWITCH TO INDICATE PRINTING A SEGMENT -SPCBIT==004000 ;SWITCH TO INDICATE "PRINT" CALL (PUT A SPACE AFTER) -FLTBIT==002000 ;SWITCH TO INDICATE "FLATSIZE" CALL -HSHBIT==001000 ;SWITCH TO INDICATE "PHASH" CALL -TERBIT==000400 ;SWITCH TO INDICATE "TERPRI" CALL -UNPRSE==000200 ;SWITCH TO INDICATE "UNPARSE" CALL -ASCBIT==000100 ;SWITCH TO INDICATE USING A "PRINT" CHANNEL -BINBIT==000040 ;SWITCH TO INDICATE USING A "PRINTB" CHANNEL -PJBIT==400000 -C.BUF==1 -C.PRIN==2 -C.BIN==4 -C.OPN==10 -C.READ==40 - - - MFUNCTION FLATSIZE,SUBR - DEFINE FLTMAX - 4(B) TERMIN - DEFINE FLTSIZ - 2(B)TERMIN -;FLATSIZE TAKES TWO OR THREE ARGUMENTS: THE FIRST IS AN OBJECT THE SECOND -;IS THE MAXIMUM SIZE BEFORE IT GIVES UP AN RETURNS FALSE -;THE THIRD (OPTIONAL) ARGUMENT IS A RADIX - ENTRY - CAMG AB,[-2,,0] ;CHECK NUMBER OF ARGS - CAMG AB,[-6,,0] - JRST WNA - PUSH P,3(AB) - - GETYP A,2(AB) - CAIE A,TFIX - JRST WTYP2 ;SECOND ARG NOT FIX THEN LOSE - - CAMG AB,[-4,,0] ;SEE IF THERE IS A RADIX ARGUMENT - JRST .+3 ; RADIX SUPPLIED - PUSHJ P,GTRADX ; GET THE RADIX FROM OUTCHAN - JRST FLTGO - GETYP A,4(AB) ;CHECK TO SEE THAT RADIX IS FIX - CAIE A,TFIX - JRST WTYP ;ERROR THIRD ARGUMENT WRONG TYPE - MOVE C,5(AB) - PUSHJ P,GETARG ; GET ARGS INTO A AND B -FLTGO: POP P,D ; RESTORE FLATSIZE MAXIMUM - PUSHJ P,CIFLTZ - JFCL - JRST FINIS - - - -MFUNCTION UNPARSE,SUBR - DEFINE UPB - 0(B) TERMIN - - ENTRY - - JUMPGE AB,TFA - MOVE E,TP ;SAVE TP POINTER - - - -;TURN ON FLTBIT TO AVOID PRINTING LOSSAGE -;TURN ON UNPRSE TO CAUSE CHARS TO BE STASHED - CAMG AB,[-2,,0] ;SKIP IF RADIX SUPPLIED - JRST .+3 - PUSHJ P,GTRADX ;GET THE RADIX FROM OUTCHAN - JRST UNPRGO - CAMGE AB,[-5,,0] ;CHECK FOR TOO MANY - JRST TMA - GETYP 0,2(AB) - CAIE 0,TFIX ;SEE IF RADIX IS FIXED - JRST WTYP2 - MOVE C,3(AB) ;GET RADIX - PUSHJ P,GETARG ;GET ARGS INTO A AND B -UNPRGO: PUSHJ P,CIUPRS - JRST FINIS - JRST FINIS - - -GTRADX: MOVE B,IMQUOTE OUTCHAN - PUSH P,0 ;SAVE FLAGS - PUSHJ P,IDVAL ;GET VALUE FOR OUTCHAN - POP P,0 - GETYP A,A ;CHECK TYPE OF CHANNEL - CAIE A,TCHAN - JRST FUNCH1-1 ;IT IS A TP-POINTER - MOVE C,RADX(B) ;GET RADIX FROM OUTCHAN - JRST FUNCH1 - MOVE C,(B)+6 ;GET RADIX FROM STACK - -FUNCH1: CAIG C,1 ;CHECK FOR STRANGE RADIX - MOVEI C,10. ;DEFAULT IF THIS IS THE CASE -GETARG: MOVE A,(AB) - MOVE B,1(AB) - POPJ P, - - -MFUNCTION PRINT,SUBR - ENTRY - PUSHJ P,AGET ; GET ARGS - PUSHJ P,CIPRIN - JRST FINIS - -MFUNCTION PRINC,SUBR - ENTRY - PUSHJ P,AGET ; GET ARGS - PUSHJ P,CIPRNC - JRST FINIS - -MFUNCTION PRIN1,SUBR - ENTRY - PUSHJ P,AGET - PUSHJ P,CIPRN1 - JRST FINIS - JRST PRIN01 ;CALL IPRINT AFTER SAVING STUFF - - -MFUNCTION TERPRI,SUBR - ENTRY - PUSHJ P,AGET1 - PUSHJ P,CITERP - JRST FINIS - - -CITERP: SUBM M,(P) - MOVSI 0,TERBIT+SPCBIT ; SET UP FLAGS - PUSHJ P,TESTR ; TEST FOR GOOD CHANNEL - MOVEI A,CARRET ; MOVE IN CARRIAGE-RETURN - PUSHJ P,PITYO ; PRINT IT OUT - MOVEI A,12 ; LINE-FEED - PUSHJ P,PITYO - MOVSI A,TFALSE ; RETURN A FALSE - MOVEI B,0 - JRST MPOPJ ; RETURN - - -TESTR: GETYP E,A - CAIN E,TCHAN ; CHANNEL? - JRST TESTR1 ; OK? - CAIE E,TTP - JRST BADCHN - HLRZS 0 - IOR 0,A ; RESTORE FLAGS - HRLZS 0 - POPJ P, -TESTR1: HRRZ E,-4(B) ; GET IN FLAGS FROM CHANNEL - TRC E,C.PRIN+C.OPN ; CHECK TO SEE THAT CHANNEL IS GOOD - TRNE E,C.PRIN+C.OPN - JRST BADCHN ; ITS A LOSER - TRNE E,C.BIN - JRST PSHNDL ; DON'T HANDLE BINARY - TLO ASCBIT ; ITS ASCII - POPJ P, ; ITS A WINNER - -PSHNDL: PUSH TP,C ; SAVE ARGS - PUSH TP,D - PUSH TP,A ; PUSH CHANNEL ONTO STACK - PUSH TP,B - PUSHJ P,BPRINT ; CHECK BUFFER - POP TP,B - POP TP,A - POP TP,D - POP TP,C - POPJ P, - - - ;CIUPRS NEEDS A RADIX IN C AND A TYPE-OBJECT PAIR IN A,B - -CIUPRS: SUBM M,(P) ; MODIFY M-POINTER - MOVE E,TP ; SAVE TP-POINTER - PUSH TP,[0] ; SLOT FOR FIRST STRING COPY - PUSH TP,[0] - PUSH TP,[0] ; AND SECOND STRING - PUSH TP,[0] - PUSH TP,A ; SAVE OBJECTS - PUSH TP,B - PUSH TP,$TTP ; SAVE TP POINTER - PUSH TP,E - PUSH P,C - MOVE D,[377777,,-1] ; MOVE IN MAXIMUM NUMBER FOR FLATSIZE - PUSHJ P,CIFLTZ ; FIND LENGTH OF STRING - FATAL UNPARSE BLEW IT - PUSH TP,$TFIX ; MOVE IN ARGUMENT FOR ISTRING - PUSH TP,B - MCALL 1,ISTRING - POP TP,E ; RESTORE TP-POINTER - SUB TP,[1,,1] ;GET RID OF TYPE WORD - MOVEM A,1(E) ; SAVE RESULTS - MOVEM A,3(E) - MOVEM B,2(E) - MOVEM B,4(E) - POP TP,B ; RESTORE THE WORLD - POP TP,A - POP P,C - MOVSI 0,FLTBIT+UNPRSE ; SET UP FLAGS - PUSHJ P,CUSET - JRST MPOPJ ; RETURN - - - -; FOR CIFLTZ C CONTAINS THE RADIX, D THE MAXIMUM NUMBER OF CHARACTERS, -; A,B THE TYPE-OBJECT PAIR - -CIFLTZ: SUBM M,(P) - MOVE E,TP ; SAVE POINTER - PUSH TP,$TFIX ; PUSH ON FLATSIZE COUNT - PUSH TP,[0] - PUSH TP,$TFIX ; PUSH ON FLATSIZE MAXIMUM - PUSH TP,D - MOVSI 0,FLTBIT ; MOVE ON FLATSIZE FLAG - PUSHJ P,CUSET ; CONTINUE - JRST MPOPJ - SOS (P) ; SKIP RETURN - JRST MPOPJ ; RETURN - -; CUSET IS THE ROUTINE USED BY FLATSIZE AND UNPARSE TO DO THE PUSHING,POPING AND CALLING -; NEEDED TO GET A RESULT. - -CUSET: PUSH TP,$TFIX ; PUSH ON RADIX - PUSH TP,C - PUSH TP,$TPDL - PUSH TP,P ; PUSH ON RETURN POINTER IN CASE FLATSIZE GETS A FALSE - PUSH TP,A ; SAVE OBJECTS - PUSH TP,B - MOVSI C,TTP ; CONSTRUCT TP-POINTER - HLR C,FLAGS ; SAVE FLAGS IN TP-POINTER - MOVE D,E - PUSH TP,C ; PUSH ON CHANNEL - PUSH TP,D - PUSHJ P,IPRINT ; GO TO INTERNAL PRINTER - POP TP,B ; GET IN TP POINTER - MOVE TP,B ; RESTORE POINTER - TLNN FLAGS,UNPRSE ; SEE IF UNPARSE CALL - JRST FLTGEN ; ITS A FLATSIZE - MOVE A,UPB+3 ; RETURN STRING - MOVE B,UPB+4 - POPJ P, ; DONE -FLTGEN: MOVE A,FLTSIZ-1 ; GET IN COUNT - MOVE B,FLTSIZ - AOS (P) - POPJ P, ; EXIT - - -; CIPRIN,CIPRNC,CIPRN1,CPATM,CP1ATM,CPCATM,CPSTR,CP1STR,CPCSTR ALL ASSUME -; THAT C,D CONTAIN THE OBJECT AND A AND B CONTAIN THE CHANNEL - -CIPRIN: SUBM M,(P) - MOVSI 0,SPCBIT ; SET UP FLAGS - PUSHJ P,TPRT ; PRINT INITIALIZATION - PUSHJ P,IPRINT - JRST TPRTE ; EXIT - -CIPRN1: SUBM M,(P) - MOVEI FLAGS,0 ; SET UP FLAGS - PUSHJ P,TPR1 ; INITIALIZATION - PUSHJ P,IPRINT ; PRINT IT OUT - JRST TPR1E ; EXIT - -CIPRNC: SUBM M,(P) - MOVSI FLAGS,NOQBIT ; SET UP FLAGS - PUSHJ P,TPR1 ; INITIALIZATION - PUSHJ P,IPRINT - JRST TPR1E ; EXIT - -; INITIALIZATION FOR PRINT ROUTINES - -TPRT: PUSHJ P,TESTR ; SEE IF CHANNEL IS OK - PUSH TP,C ; SAVE ARGUMENTS - PUSH TP,D - PUSH TP,A ; SAVE CHANNEL - PUSH TP,B - MOVEI A,CARRET ; PRINT CARRIAGE RETURN - PUSHJ P,PITYO - MOVEI A,12 ; AND LF - PUSHJ P,PITYO - MOVE A,-3(TP) ; MOVE IN ARGS - MOVE B,-2(TP) - POPJ P, - -; EXIT FOR PRINT ROUTINES - -TPRTE: POP TP,B ; RESTORE CHANNEL - MOVEI A,SPACE ; PRINT TRAILING SPACE - PUSHJ P,PITYO - SUB TP,[1,,1] ; GET RID OF CHANNEL TYPE-WORD - POP TP,B ; RETURN WHAT WAS PASSED - POP TP,A - JRST MPOPJ ; EXIT - -; INITIALIZATION FOR PRIN1 AND PRINC ROUTINES - -TPR1: PUSHJ P,TESTR ; SEE IF CHANNEL IS OK - PUSH TP,C ; SAVE ARGS - PUSH TP,D - PUSH TP,A ; SAVE CHANNEL - PUSH TP,B - MOVE A,-3(TP) ; GET ARGS - MOVE B,-2(TP) - POPJ P, - -; EXIT FOR PRIN1 AND PRINC ROUTINES - -TPR1E: SUB TP,[2,,2] ; REMOVE CHANNEL - POP TP,B ; RETURN ARGUMENTS THAT WERE GIVEN - POP TP,A - JRST MPOPJ ; EXIT - - - -CPATM: SUBM M,(P) - MOVSI C,TATOM ; GET TYPE FOR BINARY - MOVE 0,$SPCBIT ; SET UP FLAGS - PUSHJ P,TPRT ; PRINT INITIALIZATION - PUSHJ P,CPATOM ; PRINT IT OUT - JRST TPRTE ; EXIT - -CP1ATM: SUBM M,(P) - MOVE C,$TATOM - MOVEI FLAGS,0 ; SET UP FLAGS - PUSHJ P,TPR1 ; INITIALIZATION - PUSHJ P,CPATOM ; PRINT IT OUT - JRST TPR1E ; EXIT - -CPCATM: SUBM M,(P) - MOVE C,$TATOM - MOVSI FLAGS,NOQBIT ; SET UP FLAGS - PUSHJ P,TPR1 ; INITIALIZATION - PUSHJ P,CPATOM ; PRINT IT OUT - JRST TPR1E ; EXIT - - -; THIS ROUTINE IS USD TO PRINT ONE CHARACTER. THE CHANNEL IS IN A AND B THE -; CHARACTER IS IN C. -CPCH: SUBM M,(P) - MOVSI FLAGS,NOQBIT - MOVE C,$TCHRS - PUSHJ P,TESTR ; SEE IF CHANNEL IS GOOD - PUSH P,D - MOVE A,D ; MOVE IN CHARACTER FOR PITYO - PUSHJ P,PITYO - MOVE A,$TCHRST ; RETURN THE CHARACTER - POP P,B - JRST MPOPJ - - - - -CPSTR: SUBM M,(P) - HRLI C,TCHSTR - MOVSI 0,SPCBIT ; SET UP FLAGS - PUSHJ P,TPRT ; PRINT INITIALIZATION - PUSHJ P,CPCHST ; PRINT IT OUT - JRST TPRTE ; EXIT - -CP1STR: SUBM M,(P) - HRLI C,TCHSTR - MOVEI FLAGS,0 ; SET UP FLAGS - PUSHJ P,TPR1 ; INITIALIZATION - PUSHJ P,CPCHST ; PRINT IT OUT - JRST TPR1E ; EXIT - -CPCSTR: SUBM M,(P) - HRLI C,TCHSTR - MOVSI FLAGS,NOQBIT ; SET UP FLAGS - PUSHJ P,TPR1 ; INITIALIZATION - PUSHJ P,CPCHST ; PRINT IT OUT - JRST TPR1E ; EXIT - - -CPATOM: PUSH TP,A ; COPY ARGS FOR INTERNAL SAKE - PUSH TP,B - PUSH P,0 ; ATOM CALLER ROUTINE - PUSH P,C - JRST PATOM - -CPCHST: PUSH TP,A ; COPY ARGS FOR INTERNAL SAKE - PUSH TP,B - PUSH P,0 ; STRING CALLER ROUTINE - PUSH P,C - JRST PCHSTR - - - -AGET: MOVEI FLAGS,0 - SKIPL E,AB ; COPY ARG POINTER - JRST TFA ;NO ARGS IS AN ERROR - ADD E,[2,,2] ;POINT AT POSSIBLE CHANNEL - JRST COMPT -AGET1: MOVE E,AB ; GET COPY OF AB - MOVSI FLAGS,TERBIT - -COMPT: PUSH TP,$TFIX ;LEAVE ROOM ON STACK FOR ONE CHANNEL - PUSH TP,[0] - JUMPGE E,DEFCHN ;IF NO CHANNEL ARGUMENT, USE CURRENT BINDING - CAMG E,[-2,,0] ;IF MORE ARGS THEN ERROR - JRST TMA - MOVE A,(E) ;GET CHANNEL - MOVE B,(E)+1 - JRST NEWCHN - -DEFCHN: MOVE B,IMQUOTE OUTCHAN - MOVSI A,TATOM - PUSH P,FLAGS ;SAVE FLAGS - PUSHJ P,IDVAL ;GET VALUE OF OUTCHAN - POP P,0 - -NEWCHN: TLNE FLAGS,TERBIT ; SEE IF TERPRI - POPJ P, - MOVE C,(AB) ; GET ARGS - MOVE D,1(AB) - POPJ P, - -; HERE IF USING A PRINTB CHANNEL - -BPRINT: TLO FLAGS,BINBIT - SKIPE BUFSTR(B) ; ANY OUTPUT BUFFER? - POPJ P, - -; HERE TO GENERATE A STRING BUFFER - - PUSH P,FLAGS - MOVEI A,BUFLNT ; GET BUFFER LENGTH - PUSHJ P,IBLOCK ; MAKE A BUFFER - MOVSI 0,TWORD+.VECT. ; CLOBBER U TYPE - MOVEM 0,BUFLNT(B) - SETOM (B)) ; -1 THE BUFFER - MOVEI C,1(B) - HRLI C,(B) - BLT C,BUFLNT-1(B) - HRLI B,440700 - MOVE C,(TP) - MOVEM B,BUFSTR(C) ; STOR BYTE POINTER - MOVE 0,[TCHSTR,,BUFLNT*5] - MOVEM 0,BUFSTR-1(C) - POP P,FLAGS - - MOVE B,(TP) - POPJ P, - - -IPRINT: PUSH P,C ; SAVE C - PUSH P,FLAGS ;SAVE PREVIOUS FLAGS - PUSH TP,A ;SAVE ARGUMENT ON TP-STACK - PUSH TP,B - - INTGO ;ALLOW INTERRUPTS HERE - - GETYP A,-1(TP) ;GET THE TYPE CODE OF THE ITEM - SKIPE C,PRNTYP+1(TVP) ; USER TYPE TABLE? - JRST PRDISP -NORMAL: CAIG A,NUMPRI ;PRIMITIVE? - JRST @PRTYPE(A) ;YES-DISPATCH - JRST PUNK ;JUMP TO ERROR ROUTINE IF CODE TOO GREAT - -; HERE FOR USER PRINT DISPATCH - -PRDISP: ADDI C,(A) ; POINT TO SLOT - ADDI C,(A) - SKIPE (C) ; SKIP EITHER A LOSER OR JRST DISP - JRST PRDIS1 ; APPLY EVALUATOR - SKIPN C,1(C) ; GET ADDR OR GO TO PURE DISP - JRST NORMAL - JRST (C) - -PRDIS1: PUSH P,C ; SAVE C - PUSH TP,[TATOM,,-1] ; PUSH ON OUTCHAN FOR SPECBIND - PUSH TP,IMQUOTE OUTCHAN - PUSH TP,-5(TP) - PUSH TP,-5(TP) - PUSH TP,[0] - PUSH TP,[0] - PUSHJ P,SPECBIND - POP P,C ; RESTORE C - PUSH TP,(C) ; PUSH ARGS FOR APPLY - PUSH TP,1(C) - PUSH TP,-9(TP) - PUSH TP,-9(TP) - MCALL 2,APPLY ; APPLY HACKER TO OBJECT - MOVEI E,-8(TP) - PUSHJ P,SSPEC1 ;UNBIND OUTCHAN - SUB TP,[6,,6] ; POP OFF STACK - JRST PNEXT - -; PRINT DISPATCH TABLE - -DISTBL PRTYPE,PUNK,[[TATOM,PATOM],[TFORM,PFORM],[TSEG,PSEG],[TFIX,PFIX] -[TFLOAT,PFLOAT],[TLIST,PLIST],[TVEC,PVEC],[TCHRS,PCHRS],[TCHSTR,PCHSTR] -[TARGS,PARGS],[TUVEC,PUVEC],[TDEFER,PDEFER],[TINTH,PINTH],[THAND,PHAND] -[TILLEG,ILLCH],[TRSUBR,PRSUBR],[TENTER,PENTRY],[TPCODE,PPCODE],[TTYPEW,PTYPEW] -[TTYPEC,PTYPEC],[TTMPLT,TMPRNT],[TLOCD,LOCPT1]] - -PUNK: MOVE C,TYPVEC+1(TVP) ; GET AOBJN-POINTER TO VECTOR OF TYPE ATOMS - GETYP B,-1(TP) ; GET THE TYPE CODE INTO REG B - LSH B,1 ; MULTIPLY BY TWO - HRL B,B ; DUPLICATE IT IN THE LEFT HALF - ADD C,B ; INCREMENT THE AOBJN-POINTER - JUMPGE C,PRERR ; IF POSITIVE, INDEX > VECTOR SIZE - - MOVE B,-2(TP) ; MOVE IN CHANNEL - PUSHJ P,RETIF1 ; START NEW LINE IF NO ROOM - MOVEI A,"# ; INDICATE TYPE-NAME FOLLOWS - PUSHJ P,PITYO - MOVE A,(C) ; GET TYPE-ATOM - MOVE B,1(C) - PUSH TP,-3(TP) ; GET CHANNEL FOR IPRINT - PUSH TP,-3(TP) - PUSHJ P,IPRINT ; PRINT ATOM-NAME - SUB TP,[2,,2] ; POP STACK - MOVE B,-2(TP) ; MOVE IN CHANNEL - PUSHJ P,SPACEQ ; MAYBE SPACE - MOVE B,(B) ; RESET THE REAL ARGUMENT POINTER - HRRZ A,(C) ; GET THE STORAGE-TYPE - ANDI A,SATMSK - CAIG A,NUMSAT ; SKIP IF TEMPLATE - JRST @UKTBL(A) ; USE DISPATCH TABLE ON STORAGE TYPE - JRST TMPRNT ; PRINT TEMPLATED DATA STRUCTURE - -DISTBS UKTBL,POCTAL,[[S2WORD,PLIST],[S2NWORD,PVEC],[SNWORD,PUVEC],[SATOM,PATOM] -[SCHSTR,PCHSTR],[SFRAME,PFRAME],[SARGS,PARGS],[SPVP,PPVP],[SLOCID,LOCPT],[SLOCA,LOCP] -[SLOCV,LOCP],[SLOCU,LOCP],[SLOCS,LOCP],[SLOCL,LOCP],[SLOCN,LOCP],[SASOC,ASSPNT] -[SLOCT,LOCP]] - - ; SELECK AN ILLEGAL - -ILLCH: MOVEI B,-1(TP) - JRST ILLCHO - - ; PRINT INTERRUPT HANDLER - -PHAND: MOVE B,-2(TP) ; MOVE CHANNEL INTO B - PUSHJ P,RETIF1 - MOVEI A,"# - PUSHJ P,PITYO ; SAY "FUNNY TYPE" - MOVSI A,TATOM - MOVE B,MQUOTE HANDLER - PUSH TP,-3(TP) ; PUSH CHANNEL ON FOR IPRINT - PUSH TP,-3(TP) - PUSHJ P,IPRINT ; PRINT THE TYPE NAME - SUB TP,[2,,2] ; POP CHANNEL OFF STACK - MOVE B,-2(TP) ; GET CHANNEL - PUSHJ P,SPACEQ ; SPACE MAYBE - SKIPN B,(TP) ; GET ARG BACK - JRST PNEXT - MOVE A,INTFCN(B) ; PRINT FUNCTION FOR NOW - MOVE B,INTFCN+1(B) - PUSH TP,-3(TP) ; GET CHANNEL FOR IPRINT - PUSH TP,-3(TP) - PUSHJ P,IPRINT ; PRINT THE INT FUNCTION - SUB TP,[2,,2] ; POP CHANNEL OFF - JRST PNEXT - -; PRINT INT HEADER - -PINTH: MOVE B,-2(TP) ; GET CHANNEL INTO B - PUSHJ P,RETIF1 - MOVEI A,"# - PUSHJ P,PITYO - MOVSI A,TATOM ; AND NAME - MOVE B,MQUOTE IHEADER - PUSH TP,-3(TP) ; GET CHANNEL FOR IPRINT - PUSH TP,-3(TP) - PUSHJ P,IPRINT - MOVE B,-4(TP) ; GET CHANNEL INTO B - PUSHJ P,SPACEQ ; MAYBE SPACE - SKIPN B,-2(TP) ; INT HEADER BACK - JRST PNEXT - MOVE A,INAME(B) ; GET NAME - MOVE B,INAME+1(B) - PUSHJ P,IPRINT - SUB TP,[2,,2] ; CLEAN OFF STACK - JRST PNEXT - - -; PRINT ASSOCIATION BLOCK - -ASSPNT: MOVEI A,"( ; MAKE IT BE (ITEN INDIC VAL) - MOVE B,-2(TP) ; GET CHANNEL INTO B - PUSHJ P,PRETIF ; MAKE ROOM AND PRINT - SKIPA C,[-3,,0] ; # OF FIELDS -ASSLP: PUSHJ P,SPACEQ - MOVE D,(TP) ; RESTORE GOODIE - ADD D,ASSOFF(C) ; POINT TO FIELD - MOVE A,(D) ; GET IT - MOVE B,1(D) - PUSH TP,-3(TP) ; GET CHANNEL FOR IPRINT - PUSH TP,-3(TP) - PUSHJ P,IPRINT ; AND PRINT IT - SUB TP,[2,,2] ; POP OFF CHANNEL - AOBJN C,ASSLP - - MOVEI A,") - MOVE B,-2(TP) ; GET CHANNEL INTO B - PUSHJ P,PRETIF ; CLOSE IT - JRST PNEXT - -ASSOFF: ITEM - INDIC - VAL - ; PRINT TYPE-C AND TYPE-W - -PTYPEW: HRRZ A,(TP) ; POSSIBLE RH - HLRZ B,(TP) - MOVE C,MQUOTE TYPE-W - JRST PTYPEX - -PTYPEC: HRRZ B,(TP) - MOVEI A,0 - MOVE C,MQUOTE TYPE-C - -PTYPEX: PUSH P,B - PUSH P,A - PUSH TP,$TATOM - PUSH TP,C - MOVEI A,2 - MOVE B,-4(TP) ; GET CHANNEL INTO B - PUSHJ P,RETIF ; ROOM TO START? - MOVEI A,"% - PUSHJ P,PITYO - MOVEI A,"< - PUSHJ P,PITYO - POP TP,B ; GET NAME - POP TP,A - PUSH TP,-3(TP) ; GET CHANNEL FOR IPRINT - PUSH TP,-3(TP) - PUSHJ P,IPRINT ; AND PRINT IT AS 1ST ELEMENT - SUB TP,[2,,2] ; POP OFF CHANNEL - MOVE B,-2(TP) ; GET CHANNEL INTO B - PUSHJ P,SPACEQ ; MAYBE SPACE - MOVE A,-1(P) ; TYPE CODE - ASH A,1 - HRLI A,(A) ; MAKE SURE WINS - ADD A,TYPVEC+1(TVP) - JUMPL A,PTYPX1 ; JUMP FOR A WINNER - PUSH TP,$TATOM - PUSH TP,EQUOTE BAD-TYPE-CODE - JRST CALER1 - -PTYPX1: MOVE B,1(A) ; GET TYPE NAME - HRRZ A,(A) ; AND SAT - ANDI A,SATMSK - MOVEM A,-1(P) ; AND SAVE IT - MOVSI A,TATOM - PUSH TP,-3(TP) ; GET CHANNEL FOR IPRINT - PUSH TP,-3(TP) - PUSHJ P,IPRINT ; OUT IT GOES - SUB TP,[2,,2] ; POP OFF CHANNEL - MOVE B,-2(TP) ; GET CHANNEL INTO B - PUSHJ P,SPACEQ ; MAYBE SPACE - MOVE A,-1(P) ; GET SAT BACK - MOVE B,@STBL(A) - MOVSI A,TATOM ; AND PRINT IT - PUSH TP,-3(TP) ; GET CHANNEL FOR IPRINT - PUSH TP,-3(TP) - PUSHJ P,IPRINT - SUB TP,[2,,2] ; POP OFF STACK - SKIPN B,(P) ; ANY EXTRA CRAP? - JRST PTYPX2 - - MOVE B,-2(TP) ; GET CHANNEL INTO B - PUSHJ P,SPACEQ - MOVE B,(P) - MOVSI A,TFIX - PUSH TP,-3(TP) ; PUSH CHANNELS FOR IPRINT - PUSH TP,-3(TP) - PUSHJ P,IPRINT ; PRINT EXTRA - SUB TP,[2,,2] ; POP OFF CHANNEL - -PTYPX2: MOVEI A,"> - MOVE B,-2(TP) ; GET CHANNEL INTO B - PUSHJ P,PRETIF - SUB P,[2,,2] ; FLUSH CRUFT - JRST PNEXT - - ; PRINT PURE CODE POINTER - -PPCODE: MOVEI A,2 - MOVE B,-2(TP) ; GET CHANNEL INTO B - PUSHJ P,RETIF - MOVEI A,"% - PUSHJ P,PITYO - MOVEI A,"< - PUSHJ P,PITYO - MOVSI A,TATOM ; PRINT SUBR CALL - MOVE B,MQUOTE PCODE - PUSH TP,-3(TP) ; GET CHANNEL FOR IPRINT - PUSH TP,-3(TP) - PUSHJ P,IPRINT - MOVE B,-4(TP) ; GET CHANNEL INTO B - PUSHJ P,SPACEQ ; MAYBE SPACE? - HLRZ A,-2(TP) ; OFFSET TO VECTOR - ADD A,PURVEC+1(TVP) ; SLOT TO A - MOVE A,(A) ; SIXBIT NAME - PUSH P,FLAGS - PUSHJ P,6TOCHS ; TO A STRING - POP P,FLAGS - PUSHJ P,IPRINT - MOVE B,-4(TP) ; GET CHANNEL INTO B - PUSHJ P,SPACEQ - HRRZ B,-2(TP) ; GET OFFSET - MOVSI A,TFIX - PUSHJ P,IPRINT - SUB TP,[2,,2] ; POP CHANNEL OFF STACK - MOVEI A,"> - MOVE B,-2(TP) ; GET CHANNEL INTO B - PUSHJ P,PRETIF ; CLOSE THE FORM - JRST PNEXT - - - ; PRINT SUB-ENTRY TO RSUBR - -PENTRY: MOVE B,(TP) ; GET BLOCK - GETYP A,(B) ; TYPE OF 1ST ELEMENT - CAIE A,TRSUBR ; RSUBR, OK - JRST PENT1 - MOVSI A,TATOM ; UNLINK - HLLM A,(B) - MOVE A,1(B) - MOVE A,3(A) - MOVEM A,1(B) -PENT2: MOVEI A,2 ; CHECK ROOM - MOVE B,-2(TP) ; GET CHANNEL INTO B - PUSHJ P,RETIF - MOVEI A,"% ; SETUP READ TIME MACRO - PUSHJ P,PITYO - MOVEI A,"< - PUSHJ P,PITYO - MOVSI A,TATOM - MOVE B,MQUOTE RSUBR-ENTRY - PUSH TP,-3(TP) ; GET CHANNEL FOR IPRINT - PUSH TP,-3(TP) - PUSHJ P,IPRINT - MOVE B,-4(TP) - PUSHJ P,SPACEQ ; MAYBE SPACE - MOVEI A,"' ; QUOTE TO AVOID EVALING IT - PUSHJ P,PRETIF - MOVSI A,TVEC - MOVE B,-2(TP) - PUSHJ P,IPRINT - MOVE B,-4(TP) ; GET CHANNEL INTO B - PUSHJ P,SPACEQ - MOVE B,-2(TP) - HRRZ B,2(B) - MOVSI A,TFIX - PUSHJ P,IPRINT - MOVEI A,"> - SUB TP,[2,,2] ; POP CHANNEL OFF STACK - MOVE B,-2(TP) ; GET CHANNEL INTO B - PUSHJ P,PRETIF - JRST PNEXT - -PENT1: CAIN A,TATOM - JRST PENT2 - PUSH TP,$TATOM - PUSH TP,EQUOTE BAD-ENTRY-BLOCK - JRST CALER1 - - ; HERE TO PRINT TEMPLATED DATA STRUCTURE - -TMPRNT: PUSH P,FLAGS ; SAVE FLAGS - MOVE A,(TP) ; GET POINTER - GETYP A,(A) ; GET SAT - PUSH P,A ; AND SAVE IT - MOVEI A,"{ ; OPEN SQUIGGLE - MOVE B,-2(TP) ; GET CHANNEL INTO B - PUSHJ P,PRETIF ; PRINT WITH CHECKING - HLRZ A,(TP) ; GET AMOUNT RESTED OFF - SUBI A,1 - PUSH P,A ; AND SAVE IT - MOVE A,-1(P) ; GET SAT - SUBI A,NUMSAT+1 ; FIXIT UP - HRLI A,(A) - ADD A,TD.LNT+1(TVP) ; CHECK FOR WINNAGE - JUMPGE A,BADTPL ; COMPLAIN - HRRZS C,(TP) ; GET LENGTH - XCT (A) ; INTO B - SUB B,(P) ; FUDGE FOR RESTS - MOVEI B,-1(B) ; FUDGE IT - PUSH P,B ; AND SAVE IT - -TMPRN1: AOS C,-1(P) ; GET ELEMENT OF INTEREST - SOSGE (P) ; CHECK FOR ANY LEFT - JRST TMPRN2 ; ALL DONE - - MOVE B,(TP) ; POINTER - HRRZ 0,-2(P) ; SAT - PUSHJ P,TMPLNT ; GET THE ITEM - MOVE FLAGS,-3(P) ; RESTORE FLAGS - PUSH TP,-3(TP) ; GET CHANNEL FOR IPRINT - PUSH TP,-3(TP) - PUSHJ P,IPRINT ; PRINT THIS ELEMENT - SUB TP,[2,,2] ; POP CHANNEL OFF STACK - MOVE B,-2(TP) ; GET CHANNEL INTO B - SKIPE (P) ; IF NOT LAST ONE THEN - PUSHJ P,SPACEQ ; SEPARATE WITH A SPACE - JRST TMPRN1 - -TMPRN2: SUB P,[4,,4] - MOVE B,-2(TP) - MOVEI A,"} ; CLOSE THIS GUY - PUSHJ P,PRETIF - JRST PNEXT - - - ; RSUBR PRINTING ROUTINES. ON PRINTB CHANNELS, WRITES OUT -; COMPACT BINARY. ON PRINT CHANNELS ALL IS ASCII - -PRSUBR: MOVE A,(TP) ; GET RSUBR IN QUESTION - GETYP A,(A) ; CHECK FOR PURE RSUBR - CAIN A,TPCODE - JRST PRSBRP ; PRINT IT SPECIAL WAY - - TLNN FLAGS,BINBIT ; SKIP IF BINARY OUTPUT - JRST ARSUBR - - PUSH P,FLAGS - MOVSI A,TRSUBR ; FIND FIXUPS - MOVE B,(TP) - HLRE D,1(B) ; -LENGTH OF CODE VEC - PUSH P,D ; SAVE SAME - MOVSI C,TATOM - MOVE D,MQUOTE RSUBR - PUSHJ P,IGET ; GO GET THEM - JUMPE B,RCANT ; NO FIXUPS, BINARY LOSES - PUSH TP,A ; SAVE FIXUP LIST - PUSH TP,B - - MOVNI A,1 ; USE ^C AS MARKER FOR RSUBR - MOVE FLAGS,-1(P) ; RESTORE FLAGS - MOVE B,-4(TP) ; GET CHANNEL FOR PITYO - PUSHJ P,PITYO ; OUT IT GOES - -PRSBR1: MOVE B,-4(TP) - PUSHJ P,BFCLS1 ; FLUSH OUT CURRENT BUFFER - - MOVE B,-4(TP) ; CHANNEL BACK - MOVN E,(P) ; LENGTH OF CODE - PUSH P,E - HRROI A,(P) ; POINT TO SAME - PUSHJ P,DOIOTO ; OUT GOES COUNT - MOVSI C,TCODE - MOVEM C,ASTO(PVP) ; FOR IOT INTERRUPTS - MOVE A,-2(TP) ; GET POINTER TO CODE - MOVE A,1(A) - PUSHJ P,DOIOTO ; IOT IT OUT - POP P,E - ADDI E,1 ; UPDATE ACCESS - ADDM E,ACCESS(B) - SETZM ASTO(PVP) ; UNSCREW A - -; NOW PRINT OUT NORMAL RSUBR VECTOR - - MOVE FLAGS,-1(P) ; RESTORE FLAGS - SUB P,[1,,1] - MOVE B,-2(TP) ; GET RSUBR VECTOR - PUSHJ P,PRBODY ; PRINT ITS BODY - -; HERE TO PRINT BINARY FIXUPS - - MOVEI E,0 ; 1ST COMPUTE LENGTH OF FIXUPS - SKIPN A,(TP) ; LIST TO A - JRST PRSBR5 ; EMPTY, DONE - JUMPL A,UFIXES ; JUMP IF FIXUPS IN UVECTOR FORM - ADDI E,1 ; FOR VERS - -PRSBR6: HRRZ A,(A) ; NEXT? - JUMPE A,PRSBR5 - GETYP B,(A) - CAIE B,TDEFER ; POSSIBLE STRING - JRST PRSBR7 ; COULD BE ATOM - MOVE B,1(A) ; POSSIBLE STRINGER - GETYP C,(B) - CAIE C,TCHSTR ; YES!!! - JRST BADFXU ; LOSING FIXUPS - HRRZ C,(B) ; # OF CHARS TO C - ADDI C,5+5 ; ROUND AND ADD FOR COUNT - IDIVI C,5 ; TO WORDS - ADDI E,(C) - JRST FIXLST ; COUNT FOR USE LIST ETC. - -PRSBR7: GETYP B,(A) ; GET TYPE - CAIE B,TATOM - JRST BADFXU - ADDI E,1 - -FIXLST: HRRZ A,(A) ; REST IT TO OLD VAL - JUMPE A,BADFXU - GETYP B,(A) ; FIX? - CAIE B,TFIX - JRST BADFXU - MOVEI D,1 - HRRZ A,(A) ; TO USE LIST - JUMPE A,BADFXU - GETYP B,(A) - CAIE B,TLIST - JRST BADFXU ; LOSER - MOVE C,1(A) ; GET LIST - -PRSBR8: JUMPE C,PRSBR9 - GETYP B,(C) ; TYPE OK? - CAIE B,TFIX - JRST BADFXU - HRRZ C,(C) - AOJA D,PRSBR8 ; LOOP - -PRSBR9: ADDI D,2 ; ROUND UP - ASH D,-1 ; DIV BY 2 FOR TWO GOODIES PER HWORD - ADDI E,(D) - JRST PRSBR6 - -PRSBR5: PUSH P,E ; SAVE LENGTH OF FIXUPS - PUSH TP,$TUVEC ; SLOT FOR BUFFER POINTER - PUSH TP,[0] - -PFIXU1: MOVE B,-6(TP) ; START LOOPING THROUGH CHANNELS - PUSHJ P,BFCLS1 ; FLUSH BUFFER - MOVE B,-6(TP) ; CHANNEL BACK - MOVEI C,BUFSTR-1(B) ; SETUP BUFFER - PUSHJ P,BYTDOP ; FIND D.W. - SUBI A,BUFLNT+1 - HRLI A,-BUFLNT - MOVEM A,(TP) - MOVE E,(P) ; LENGTH OF FIXUPS - SETZB C,D ; FOR EOUT - PUSHJ P,EOUT - MOVE C,-2(TP) ; FIXUP LIST - MOVE E,1(C) ; HAVE VERS - PUSHJ P,EOUT ; OUT IT GOES - -PFIXU2: HRRZ C,(C) ; FIRST THING - JUMPE C,PFIXU3 ; DONE? - GETYP A,(C) ; STRING OR ATOM - CAIN A,TATOM ; MUST BE STRING - JRST PFIXU4 - MOVE A,1(C) ; POINT TO POINTER - HRRZ D,(A) ; LENGTH - IDIVI D,5 - PUSH P,E ; SAVE REMAINDER - MOVEI E,1(D) - MOVNI D,(D) - MOVSI D,(D) - PUSH P,D - PUSHJ P,EOUT - MOVEI D,0 -PFXU1A: MOVE A,1(C) ; RESTORE POINTER - HRRZ A,1(A) ; BYTE POINTER - ADD A,(P) - MOVE E,(A) - PUSHJ P,EOUT - MOVE A,[1,,1] - ADDB A,(P) - JUMPL A,PFXU1A - MOVE D,-1(P) ; LAST WORD - MOVE A,1(C) - HRRZ A,1(A) - ADD A,(P) - SKIPE E,D - MOVE E,(A) ; LAST WORD OF CHARS - IOR E,PADS(D) - PUSHJ P,EOUT ; OUT - SUB P,[1,,1] - JRST PFIXU5 - -PADS: ASCII /#####/ - ASCII /####/ - ASCII /###/ - ASCII /##/ - ASCII /#/ - -PFIXU4: HRRZ E,(C) ; GET CURRENT VAL - MOVE E,1(E) - PUSHJ P,ATOSQ ; GET SQUOZE - JRST BADFXU - TLO E,400000 ; USE TO DIFFERENTIATE BETWEEN STRING - PUSHJ P,EOUT - -; HERE TO WRITE OUT LISTS - -PFIXU5: HRRZ C,(C) ; POINT TO CURRENT VALUE - HRLZ E,1(C) - HRRZ C,(C) ; POINT TO USES LIST - HRRZ D,1(C) ; GET IT - -PFIXU6: TLCE D,400000 ; SKIP FOR RH - HRLZ E,1(D) ; SETUP LH - JUMPG D,.+3 - HRR E,1(D) - PUSHJ P,EOUT ; WRITE IT OUT - HRR D,(D) - TRNE D,-1 ; SKIP IF DONE - JRST PFIXU6 - - TRNE E,-1 ; SKIP IF ZERO BYTE EXISTS - MOVEI E,0 - PUSHJ P,EOUT - JRST PFIXU2 ; DO NEXT - -PFIXU3: HLRE C,(TP) ; -AMNT LEFT IN BUFFER - MOVN D,C ; PLUS SAME - ADDI C,BUFLNT ; WORDS USED TO C - JUMPE C,PFIXU7 ; NONE USED, LEAVE - MOVSS C ; START SETTING UP BTB - MOVN A,C ; ALSO FINAL IOT POINTER - HRR C,(TP) ; PDL POINTER PART OF BTB - SUBI C,1 - HRLI D,C ; CONTINUE SETTING UP BTB - POP C,@D ; MOVE 'EM DOWN - TLNE C,-1 - JRST .-2 - HRRI A,@D ; OUTPUT POINTER - ADDI A,1 - MOVSI B,TUVEC - MOVEM B,ASTO(PVP) - MOVE B,-6(TP) - PUSHJ P,DOIOTO ; WRITE IT OUT - SETZM ASTO(PVP) - -PFIXU7: SUB TP,[4,,4] - SUB P,[2,,2] - JRST PNEXT - -; ROUTINE TO OUTPUT CONTENTS OF E - -EOUT: MOVE B,-6(TP) ; CHANNEL - AOS ACCESS(B) - MOVE A,(TP) ; BUFFER POINTER - MOVEM E,(A) - AOBJP A,.+3 ; COUNT AND GO - MOVEM A,(TP) - POPJ P, - - SUBI A,BUFLNT ; SET UP IOT POINTER - HRLI A,-BUFLNT - MOVEM A,(TP) ; RESET SAVED POINTER - MOVSI 0,TUVEC - MOVEM 0,ASTO(PVP) - MOVSI 0,TLIST - MOVEM 0,DSTO(PVP) - MOVEM 0,CSTO(PVP) - PUSHJ P,DOIOTO ; OUT IT GOES - SETZM ASTO(PVP) - SETZM CSTO(PVP) - SETZM DSTO(PVP) - POPJ P, - -; HERE IF UVECOR FORM OF FIXUPS - -UFIXES: PUSH TP,$TUVEC - PUSH TP,A ; SAVE IT - -UFIX1: MOVE B,-6(TP) ; GET SAME - PUSHJ P,BFCLS1 ; FLUSH OUT BUFFER - HLRE C,(TP) ; GET LENGTH - MOVMS C - PUSH P,C - HRROI A,(P) ; READY TO ZAP IT OUT - PUSHJ P,DOIOTO ; ZAP! - SUB P,[1,,1] - HLRE C,(TP) ; LENGTH BACK - MOVMS C - ADDI C,1 - ADDM C,ACCESS(B) ; UPDATE ACCESS - MOVE A,(TP) ; NOW THE UVECTOR - MOVSI C,TUVEC - MOVEM C,ASTO(PVP) - PUSHJ P,DOIOTO ; GO - SETZM ASTO(PVP) - SUB P,[1,,1] - SUB TP,[4,,4] - JRST PNEXT - -RCANT: PUSH TP,$TATOM - PUSH TP,EQUOTE RSUBR-LACKS-FIXUPS - JRST CALER1 - - -BADFXU: PUSH TP,$TATOM - PUSH TP,EQUOTE BAD-FIXUPS - JRST CALER1 - -PRBODY: TDZA C,C ; FLAG SAYING FLUSH CODE -PRBOD1: MOVEI C,1 ; PRINT CODE ALSO - PUSH P,FLAGS - PUSH TP,$TRSUBR - PUSH TP,B - PUSH P,C - MOVEI A,"[ ; START VECTOR TEXT - MOVE B,-6(TP) ; GET CHANNEL FOR PITYO - PUSHJ P,PITYO - POP P,C - MOVE B,(TP) ; RSUBR BACK - JUMPN C,PRSON ; GO START PRINTING - MOVEI A,"0 ; PLACE SAVER FOR CODE VEC - MOVE B,-6(TP) ; GET CHANNEL FOR PITYO - PUSHJ P,PITYO - -PRSBR2: MOVE B,[2,,2] ; BUMP VECTOR - ADDB B,(TP) - JUMPGE B,PRSBR3 ; NO SPACE IF LAST - MOVE B,-6(TP) ; GET CHANNEL FOR SPACEQ - PUSHJ P,SPACEQ - SKIPA B,(TP) ; GET BACK POINTER -PRSON: JUMPGE B,PRSBR3 - GETYP 0,(B) ; SEE IF RSUBR POINTED TO - CAIN 0,TENTER - JRST .+3 ; JUMP IF RSUBR ENTRY - CAIE 0,TRSUBR ; YES! - JRST PRSB10 ; COULD BE SUBR/FSUBR - MOVE C,1(B) ; GET RSUBR - PUSH P,0 ; SAVE TYPE FOUND - GETYP 0,2(C) ; SEE IF ATOM - CAIE 0,TATOM - JRST PRSBR4 - MOVE B,3(C) ; GET ATOM NAME - PUSHJ P,IGVAL ; GO LOOK - MOVE C,(TP) ; ORIG RSUBR BACK - GETYP A,A - POP P,0 ; DESIRED TYPE - CAIE 0,(A) ; SAME TYPE - JRST PRSBR4 - MOVE D,1(C) - MOVE 0,3(D) ; NAME OF RSUBR IN QUESTION - CAME 0,3(B) ; WIN? - JRST PRSBR4 - MOVEM 0,1(C) - MOVSI A,TATOM - MOVEM A,(C) ; UNLINK - -PRSBR4: MOVE FLAGS,(P) ; RESTORE FLAGS - MOVE B,(TP) - MOVE A,(B) - MOVE B,1(B) ; PRINT IT - PUSH TP,-7(TP) ; PUSH CHANNEL FOR IPRINT - PUSH TP,-7(TP) - PUSHJ P,IPRINT - SUB TP,[2,,2] ; POP OFF CHANNEL - JRST PRSBR2 - -PRSB10: CAIE 0,TSUBR ; SUBR? - CAIN 0,TFSUBR - JRST .+2 - JRST PRSBR4 - MOVE C,1(B) ; GET LOCN OF SUBR OR FSUBR - MOVE C,@-1(C) ; NAME OF IT - MOVEM C,1(B) ; SMASH - MOVSI C,TATOM ; AND TYPE - MOVEM C,(B) - JRST PRSBR4 - -PRSBR3: MOVEI A,"] - MOVE B,-6(TP) - PUSHJ P,PRETIF ; CLOSE IT UP - SUB TP,[2,,2] ; FLUSH CRAP - POP P,FLAGS - POPJ P, - - - ; HERE TO PRINT PURE RSUBRS - -PRSBRP: MOVEI A,2 ; WILL "%<" FIT? - MOVE B,-2(TP) ; GET CHANNEL FOR RETIF - PUSHJ P,RETIF - MOVEI A,"% - PUSHJ P,PITYO - MOVEI A,"< - PUSHJ P,PITYO - MOVSI A,TATOM - MOVE B,MQUOTE RSUBR - PUSH TP,-3(TP) ; GET CHANNEL FOR IPRINT - PUSH TP,-3(TP) - PUSHJ P,IPRINT ; PRINT IT OUT - SUB TP,[2,,2] ; POP OFF CHANNEL - MOVE B,-2(TP) - PUSHJ P,SPACEQ ; MAYBE SPACE - MOVEI A,"' ; QUOTE THE VECCTOR - PUSHJ P,PRETIF - MOVE B,(TP) ; GET RSUBR BODY BACK - PUSH TP,$TFIX ; STUFF THE STACK - PUSH TP,[0] - PUSHJ P,PRBOD1 ; PRINT AND UNLINK - SUB TP,[2,,2] ; GET JUNK OFF STACK - MOVE B,-2(TP) ; GET CHANNEL FOR RETIF - MOVEI A,"> - PUSHJ P,PRETIF - JRST PNEXT - -; HERE TO PRINT ASCII RSUBRS - -ARSUBR: PUSH P,FLAGS ; SAVE FROM GET - MOVSI A,TRSUBR - MOVE B,(TP) - MOVSI C,TATOM - MOVE D,MQUOTE RSUBR - PUSHJ P,IGET ; TRY TO GET FIXUPS - POP P,FLAGS - JUMPE B,PUNK ; NO FIXUPS LOSE - GETYP A,A - CAIE A,TLIST ; ARE FIXUPS A LIST? - JRST PUNK ; NO, AGAIN LOSE - PUSH TP,$TLIST - PUSH TP,B ; SAVE FIXUPS - MOVEI A,17. - - MOVE B,-4(TP) - PUSHJ P,RETIF - PUSH P,[440700,,[ASCIZ /% - PUSHJ P,PRETIF - JRST PNEXT - - ; HERE TO DO LOCATIVES (PRINT CONTENTS THEREOF) - -LOCP: PUSH TP,-1(TP) - PUSH TP,-1(TP) - PUSH P,0 - MCALL 1,IN ; GET ITS CONTENTS FROM "IN" - POP P,0 - PUSH TP,-3(TP) ; GET CHANNEL FOR IPRINT - PUSH TP,-3(TP) - PUSHJ P,IPRINT ; PRINT IT - SUB TP,[2,,2] ; POP CHANNEL OFF STACK - JRST PNEXT - ;INTERNAL SUBROUTINE TO HANDLE CHARACTER OUTPUT -;B CONTAINS CHANNEL -;PRINTER ITYO USED FOR FLATSIZE FAKE OUT -PITYO: TLNN FLAGS,FLTBIT - JRST ITYO -PITYO1: PUSH TP,[TTP,,0] ; PUSH ON TP POINTER - PUSH TP,B - TLNE FLAGS,UNPRSE ;SKIPS UNPRSE NOT SET - JRST ITYO+2 - AOS FLTSIZ ;FLATSIZE DOESN'T PRINT - ;INSTEAD IT COUNTS THE CHARACTERS THAT WOULD BE OUTPUT - SOSGE FLTMAX ;UNLESS THE MAXIMUM IS EXCEEDED - JRST .+4 - POP TP,B ; GET CHANNEL BACK - SUB TP,[1,,1] - POPJ P, - MOVEI E,(B) ; GET POINTER FOR UNBINDING - PUSHJ P,SSPEC1 - MOVE P,UPB+8 ; RESTORE P - POP TP,B ; GET BACK TP POINTER - PUSH P,0 ; SAVE FLAGS - MOVE TP,B ; RESTORE TP -PITYO3: MOVEI C,(TB) - CAILE C,1(TP) - JRST PITYO2 - POP P,0 ; RESTORE FLAGS - MOVSI A,TFALSE ;IN WHICH CASE IT IMMEDIATELY GIVES UP AND RETURNS FALSE - MOVEI B,0 - POPJ P, - -PITYO2: HRR TB,OTBSAV(TB) ; RESTORE TB - JRST PITYO3 - - - ;THE REAL THING -;NOTE THAT THE FOLLOWING CODE HAS BUGS IF IT IS PRINTING OUT LONG -;CHARACTER STRINGS -; (NOTE THAT THE ABOVE COMMENT, IF TRUE, SHOULD NOT BE ADMITTED.) -ITYO: PUSH TP,$TCHAN - PUSH TP,B - PUSH P,FLAGS ;SAVE STUFF - PUSH P,C -ITYOCH: PUSH P,A ;SAVE OUTPUT CHARACTER - - -ITYO1: TLNE FLAGS,UNPRSE ;SKIPS UNPRSE NOT SET - JRST UNPROUT ;IF FROM UNPRSE, STASH IN STRING - CAIE A,^L ;SKIP IF THIS IS A FORM-FEED - JRST NOTFF - SETZM LINPOS(B) ;ZERO THE LINE NUMBER - JRST ITYXT - -NOTFF: CAIE A,15 ;SKIP IF IT IS A CR - JRST NOTCR - SETZM CHRPOS(B) ;ZERO THE CHARACTER POSITION - PUSHJ P,WXCT ;OUTPUT THE C-R - PUSHJ P,AOSACC ; BUMP COUNT - AOS C,LINPOS(B) ;ADD ONE TO THE LINE NUMBER - CAMG C,PAGLN(B) ;SKIP IF THIS TAKES US PAST PAGE END - JRST ITYXT1 - - SETZM LINPOS(B) ;ZERO THE LINE POSITION -; PUSHJ P,WXCT ; REMOVED FOR NOW -; PUSHJ P,AOSACC -; MOVEI A,^L ; DITTO - JRST ITYXT1 - -NOTCR: CAIN A,^I ;SKIP IF NOT TAB - JRST TABCNT - CAIE A,10 ; BACK SPACE - JRST .+3 - SOS CHRPOS(B) ; BACK UP ONE - JRST ITYXT - CAIE A,^J ;SKIP IF LINE FEED - AOS CHRPOS(B) ;ADD TO CHARACTER NUMBER - -ITYXT: PUSHJ P,AOSACC ; BUMP ACCESS -ITYXTA: PUSHJ P,WXCT ;OUTPUT THE CHARACTER -ITYXT1: POP P,A ;RESTORE THE ORIGINAL CHARACTER - -ITYRET: POP P,C ;RESTORE REGS & RETURN - POP P,FLAGS - POP TP,B ; GET CHANNEL BACK - SUB TP,[1,,1] - POPJ P, - -TABCNT: PUSH P,D - MOVE C,CHRPOS(B) - ADDI C,8. ;INCREMENT COUNT BY EIGHT (MOD EIGHT) - IDIVI C,8. - IMULI C,8. - MOVEM C,CHRPOS(B) ;REPLACE COUNT - POP P,D - JRST ITYXT - -UNPROUT: POP P,A ;GET BACK THE ORIG CHAR - IDPB A,UPB+2 ;DEPOSIT USING BYTE POINTER I PUSHED LONG AGO - SOS UPB+1 - JRST ITYRET ;RETURN - -AOSACC: TLNN FLAGS,BINBIT - JRST NRMACC - AOS C,ACCESS-1(B) ; COUNT CHARS IN WORD - CAMN C,[TFIX,,1] - AOS ACCESS(B) - CAMN C,[TFIX,,5] - HLLZS ACCESS-1(B) - POPJ P, - -NRMACC: AOS ACCESS(B) - POPJ P, - -SPACEQ: MOVEI A,40 - TLNE FLAGS,FLTBIT+BINBIT - JRST PITYO ; JUST OUTPUT THE SPACE - PUSH P,[1] ; PRINT SPACE IF NOT END OF LINE - MOVEI A,1 - JRST RETIF2 - -RETIF1: MOVEI A,1 - -RETIF: PUSH P,[0] - TLNE FLAGS,FLTBIT+BINBIT - JRST SPOPJ ; IF WE ARE IN FLATSIZE THEN ESCAPE -RETIF2: PUSH P,FLAGS -RETCH: PUSH P,A - -RETCH1: ADD A,CHRPOS(B) ;ADD THE CHARACTER POSITION - SKIPN CHRPOS(B) ; IF JUST RESET, DONT DO IT AGAIN - JRST RETXT - CAMG A,LINLN(B) ;SKIP IF GREATER THAN LINE LENGTH - JRST RETXT1 - - MOVEI A,^M ;FORCE A CARRIAGE RETURN - SETZM CHRPOS(B) - PUSHJ P,WXCT - PUSHJ P,AOSACC ; BUMP CHAR COUNT - MOVEI A,^J ;AND FORCE A LINE FEED - PUSHJ P,WXCT - PUSHJ P,AOSACC ; BUMP CHAR COUNT - AOS A,LINPOS(B) - CAMG A,PAGLN(B) ;AT THE END OF THE PAGE ? - JRST RETXT -; MOVEI A,^L ;IF SO FORCE A FORM FEED -; PUSHJ P,WXCT -; PUSHJ P,AOSACC ; BUMP CHAR COUNT - SETZM LINPOS(B) - -RETXT: POP P,A - - POP P,FLAGS -SPOPJ: SUB P,[1,,1] - POPJ P, ;RETURN - -PRETIF: PUSH P,A ;SAVE CHAR - PUSHJ P,RETIF1 - POP P,A - JRST PITYO - -RETIF3: TLNE FLAGS,FLTBIT ; NOTHING ON FLATSIZE - POPJ P, - PUSH P,[0] - PUSH P,FLAGS - HRRI FLAGS,2 ; PRETEND ONLY 1 CHANNEL - PUSH P,A - JRST RETCH1 - -RETXT1: SKIPN -2(P) ; SKIP IF SPACE HACK - JRST RETXT - MOVEI A,40 - PUSHJ P,WXCT - AOS CHRPOS(B) - PUSH P,C - PUSHJ P,AOSACC - POP P,C - JRST RETXT - - ;THIS IS CODE TO HANDLE UNKNOWN DATA TYPES. -;IT PRINTS "*XXXXXX*XXXXXXXXXXXX*", WHERE THE FIRST NUMBER IS THE -;TYPE CODE IN OCTAL, THE SECOND IS THE VALUE FIELD IN OCTAL. -PRERR: MOVEI A,21. ;CHECK FOR 21. SPACES LEFT ON PRINT LINE - MOVE B,-2(TP) ; GET CHANNEL INTO B - PUSHJ P,RETIF ;INSERT CARRIAGE RETURN IF NOT ENOUGH - MOVEI A,"* ;JUNK TO INDICATE ERROR PRINTOUT IN OCTAL - PUSHJ P,PITYO ;TYPE IT - - MOVE E,[000300,,-2(TP)] ;GET POINTER INDEXED OFF TP SO THAT - ;TYPE CODE MAY BE OBTAINED FOR PRINTING. - MOVEI D,6 ;# OF OCTAL DIGITS IN HALF WORD -OCTLP1: ILDB A,E ;GET NEXT 3-BIT BYTE OF TYPE CODE - IORI A,60 ;OR-IN 60 FOR ASCII DIGIT - PUSHJ P,PITYO ;PRINT IT - SOJG D,OCTLP1 ;REPEAT FOR SIX CHARACTERS - -PRE01: MOVEI A,"* ;DELIMIT TYPE CODE FROM VALUE FIELD - PUSHJ P,PITYO - - HRLZI E,(410300,,(TP)) ;BYTE POINTER TO SECOND WORD - ;INDEXED OFF TP - MOVEI D,12. ;# OF OCTAL DIGITS IN A WORD -OCTLP2: LDB A,E ;GET 3 BITS - IORI A,60 ;CONVERT TO ASCII - PUSHJ P,PITYO ;PRINT IT - IBP E ;INCREMENT POINTER TO NEXT BYTE - SOJG D,OCTLP2 ;REPEAT FOR 12. CHARS - - MOVEI A,"* ;DELIMIT END OF ERROR TYPEOUT - PUSHJ P,PITYO ;REPRINT IT - - JRST PNEXT ;RESTORE REGS & POP UP ONE LEVEL TO CALLER - -POCTAL: MOVEI A,14. ;RETURN TO NEW LINE IF 14. SPACES NOT LEFT - MOVE B,-2(TP) ; GET CHANNEL INTO B - PUSHJ P,RETIF - JRST PRE01 ;PRINT VALUE AS "*XXXXXXXXXXXX*" - - ;PRINT BINARY INTEGERS IN DECIMAL. -; -PFIX: MOVM E,(TP) ; GET # (MAFNITUDE) - JUMPL E,POCTAL ; IF ABS VAL IS NEG, MUST BE SETZ - PUSH P,FLAGS - -PFIX1: MOVE B,-2(TP) ; GET CHANNEL INTO B -PFIX2: MOVE D,UPB+6 ; IF UNPARSE, THIS IS RADIX - TLNE FLAGS,UNPRSE+FLTBIT ;SKIPS IF NOT FROM UNPARSE OR FLATSIZE - JRST PFIXU - MOVE D,RADX(B) ; GET OUTPUT RADIX -PFIXU: CAIG D,1 ; DONT ALLOW FUNNY RADIX - MOVEI D,10. ; IF IN DOUBT USE 10. - PUSH P,D - MOVEI A,1 ; START A COUNTER - SKIPGE B,(TP) ; CHECK SIGN - MOVEI A,2 ; NEG, NEED CHAR FOR SIGN - - IDIV B,D ; START COUNTING - JUMPE B,.+2 - AOJA A,.-2 - - MOVE B,-2(TP) ; CHANNEL TO B - TLNN FLAGS,FLTBIT+BINBIT - PUSHJ P,RETIF3 ; CHECK FOR C.R. - MOVE B,-2(TP) ; RESTORE CHANNEL - MOVEI A,"- ; GET SIGN - SKIPGE (TP) ; SKIP IF NOT NEEDED - PUSHJ P,PITYO - MOVM C,(TP) ; GET MAGNITUDE OF # - MOVE B,-2(TP) ; RESTORE CHANNEL - POP P,E ; RESTORE RADIX - PUSHJ P,FIXTYO ; WRITE OUT THE # - MOVE FLAGS,-1(P) - SUB P,[1,,1] ; FLUSH P STUFF - JRST PNEXT - -FIXTYO: IDIV C,E - HRLM D,(P) ; SAVE REMAINDER - SKIPE C - PUSHJ P,FIXTYO - HLRZ A,(P) ; START GETTING #'S BACK - ADDI A,60 - MOVE B,-2(TP) ; CHANNEL BACK - JRST PITYO - - ;PRINT SINGLE-PRECISION FLOATING POINT NUMBERS IN DECIMAL. -; -PFLOAT: SKIPN A,(TP) ; SKIP IF NUMBER IS NON-ZERO (SPECIAL HACK FOR ZERO) - JRST PFLT0 ; HACK THAT ZERO - MOVM E,A ; CHECK FOR NORMALIZED - TLNN E,400 ; NORMALIZED - JRST PUNK - MOVEI E,FLOATB ;ADDRESS OF FLOATING POINT CONVERSION ROUTINE - MOVE D,[6,,6] ;# WORDS TO GET FROM STACK - -PNUMB: HRLI A,1(P) ;LH(A) TO CONTAIN ADDRESS OF RETURN AREA ON STACK - HRR A,TP ;RH(A) TO CONTAIN ADDRESS OF DATA ITEM - HLRZ B,A ;SAVE RETURN AREA ADDRESS IN REG B - ADD P,D ;ADD # WORDS OF RETURN AREA TO BOTH HALVES OF SP - JUMPGE P,PDLERR ;PLUS OR ZERO STACK POINTER IS OVERFLOW -PDLWIN: PUSHJ P,(E) ;CALL ROUTINE WHOSE ADDRESS IS IN REG E - - MOVE C,(B) ;GET COUNT 0F # CHARS RETURNED - MOVE A,C ;MAKE SURE THAT # WILL FIT ON PRINT LINE -PFLT1: PUSH P,B ; SAVE B - MOVE B,-2(TP) ; GET CHANNEL INTO B - PUSHJ P,RETIF ;START NEW LINE IF IT WON'T - POP P,B ; RESTORE B - - HRLI B,000700 ;MAKE REG B INTO BYTE POINTER TO FIRST CHAR LESS ONE -PNUM01: ILDB A,B ;GET NEXT BYTE - PUSH P,B ;SAVE B - MOVE B,-2(TP) ; GET CHANNEL INTO B - PUSHJ P,PITYO ;PRINT IT - - P,B ; RESTORE B - SOJG C,PNUM01 ;DECREMENT CHAR COUNT: LOOP IF NON-ZERO - - SUB P,D ;SUBTRACT # WORDS USED ON STACK FOR RETURN - JRST PNEXT ;STORE REGS & POP UP ONE LEVEL TO CALLER - - -PFLT0: MOVEI A,9. ; WIDTH OF 0.0000000 - MOVEI C,9. ; SEE ABOVE - MOVEI D,0 ; WE'RE GONNA TEST D SOON...SO WILL DO RIGHT THING - MOVEI B,[ASCII /0.0000000/] - SOJA B,PFLT1 ; PT TO 1 BELOW CONST, THEN REJOIN CODE - - - - -PDLERR: SUB P,D ;REST STACK POINTER -REPEAT 6,PUSH P,[0] - JRST PDLWIN - ;PRINT SHORT (ONE WORD) CHARACTER STRINGS -; -PCHRS: MOVEI A,3 ;MAX # CHARS PLUS 2 (LESS ESCAPES) - MOVE B,-2(TP) ; GET CHANNEL INTO B - TLNE FLAGS,NOQBIT ;SKIP IF QUOTES WILL BE USED - MOVEI A,1 ;ELSE, JUST ONE CHARACTER POSSIBLE - PUSHJ P,RETIF ;NEW LINE IF INSUFFICIENT SPACE - TLNE FLAGS,NOQBIT ;DON'T QUOTE IF IN PRINC MODE - JRST PCASIS - MOVEI A,"! ;TYPE A EXCL - PUSHJ P,PITYO - MOVEI A,"" ;AND A DOUBLE QUOTE - PUSHJ P,PITYO - -PCASIS: MOVE A,(TP) ;GET NEXT BYTE FROM WORD - TLNE FLAGS,NOQBIT ;SKIP IF WE ARE NOT IN PRINC MODE (NOQBIT=0) - JRST PCPRNT ;IF BIT IS ON, PRINT WITHOUT ESCAPING - CAIE A,ESCHAR ;SKIP IF NOT THE ESCAPE CHARACTER - JRST PCPRNT ;ESCAPE THE ESCAPE CHARACTER - -ESCPRT: MOVEI A,ESCHAR ;TYPE THE ESCAPE CHARACTER - PUSHJ P,PITYO - -PCPRNT: MOVE A,(TP) ;GET THE CHARACTER AGAIN - PUSHJ P,PITYO ;PRINT IT - JRST PNEXT - - - ;PRINT DEFERED (INVISIBLE) ITEMS. (PRINTED AS THE THING POINTED TO) -; -PDEFER: MOVE A,(B) ;GET FIRST WORD OF ITEM - MOVE B,1(B) ;GET SECOND - PUSH TP,-3(TP) ; GET CHANNEL FOR IPRINT - PUSH TP,-3(TP) - PUSHJ P,IPRINT ;PRINT IT - SUB TP,[2,,2] ; POP OFF CHANNEL - JRST PNEXT ;GO EXIT - - -; Print an ATOM. TRAILERS are added if the atom is not in the current -; lexical path. Also escaping of charactets is performed to allow READ -; to win. - -PATOM: PUSH P,[440700,,D] ; PUSH BYE POINTER TO FINAL STRING - SETZB D,E ; SET CHARCOUNT AD DESTINATION TO 0 - HLLZS -1(TP) ; RH OF TATOM,, WILL COUNT ATOMS IN PATH - -PATOM0: PUSH TP,$TPDL ; SAVE CURRENT STAKC FOR \ LOGIC - PUSH TP,P - LDB A,[301400,,(P)] ; GET BYTE PTR POSITION - DPB A,[301400,,E] ; SAVE IN E - MOVE C,-2(TP) ; GET ATOM POINTER - ADD C,[3,,3] ; POINT TO PNAME - HLRE A,C ; -# WORDS TO A - PUSH P,A ; PUSH THAT FOR "AOSE" - MOVEI A,177 ; PUT RUBOUT WHERE \ MIGHT GO - JSP B,DOIDPB - HRLI C,440700 ; BUILD BYET POINTER - -PATOM1: ILDB A,C ; GET A CHAR - JUMPE A,PATDON ; END OF PNAME? - TLNN C,760000 ; SKIP IF NOT WORD BOUNDARY - AOS (P) ; COUNT WORD - JRST PENTCH ; ENTER THE CHAR INTO OUTPUT - -PATDON: LDB A,[220600,,E] ; GET "STATE" - LDB A,STABYT+6 ; SIMULATE "END" CHARACTER - DPB A,[220600,,E] ; AND STORE - MOVE B,E ; SETUP BYTE POINTER TO 1ST CHAR - TLZ B,77 - HRR B,(TP) ; POINT - SUB TP,[2,,2] ; FLUSH SAVED PDL - MOVE C,-1(P) ; GET BYE POINTER - SUB P,[2,,2] ; FLUSH - PUSH P,D - MOVEI A,0 - IDPB A,B - AOS -1(TP) ; COUNT ATOMS - TLNE FLAGS,NOQBIT ; SKIP IF NOT "PRINC" - JRST NOLEX4 ; NEEDS NO LEXICAL TRAILERS - MOVEI A,"\ ; GET QUOTER - TLNN E,2 ; SKIP IF NEEDED - JRST PATDO1 - SOS -1(TP) ; DONT COUNT BECAUSE OF SLASH - DPB A,B ; CLOBBER -PATDO1: MOVEI E,(E) ; CLEAR LH(E) - PUSH P,C ; SAVE BYTER - PUSH P,E ; ALSO CHAR COUNT - - MOVE B,IMQUOTE OBLIST - PUSH P,FLAGS - PUSHJ P,IDVAL ; GET LOCAL/GLOBAL VALUE - POP P,FLAGS ; AND RESTORES FLAGS - MOVE C,(TP) ; GET ATOM BACK - SKIPN C,2(C) ; GET ITS OBLIST - AOJA A,NOOBL1 ; NONE, USE FALSE - JUMPL C,.+3 ; JUMP IF REAL OBLIST - ADDI C,(TVP) ; ELSE MUST BE OFFSET - MOVE C,(C) - CAME A,$TLIST ; SKIP IF A LIST - CAMN A,$TOBLS ; SKIP IF UNREASONABLE VALUE - JRST CHOBL ; WINS, NOW LOCATE IT - -CHROOT: CAME C,ROOT+1(TVP) ; IS THIS ROOT? - JRST FNDOBL ; MUST FIND THE PATH NAME - POP P,E ; RESTORE CHAR COUNT - MOVE D,(P) ; AND PARTIAL WORD - EXCH D,-1(P) ; STORE BYTE POINTER AND GET PARTIAL WORD - MOVEI A,"! ; PUT OUT MAGIC - JSP B,DOIDPB ; INTO BUFFER - MOVEI A,"- - JSP B,DOIDPB - MOVEI A,40 - JSP B,DOIDPB - -NOLEX0: SUB P,[2,,2] ; REMOVE COUNTER AND BYTE POINTER - PUSH P,D ; PUSH NEXT WORD IF ANY - JRST NOLEX4 - -NOLEX: MOVE E,(P) ; GET COUNT - SUB P,[2,,2] -NOLEX4: MOVEI E,(E) ; CLOBBER LH(E) - MOVE A,E ; COUNT TO A - SKIPN (P) ; FLUSH 0 WORD - SUB P,[1,,1] - HRRZ C,-1(TP) ; GET # OF ATOMS - SUBI A,(C) ; FIX COUNT - MOVE B,-2(TP) ; GET CHANNEL INTO B - PUSHJ P,RETIF ; MAY NEED C.R. - MOVEI C,-1(E) ; COMPUTE WORDS-1 - IDIVI C,5 ; WORDS-1 TO C - HRLI C,(C) - MOVE D,P - SUB D,C ; POINTS TO 1ST WORD OF CHARS - MOVSI C,440700+D ; BYTEPOINTER TO STRING - PUSH TP,$TPDL ; SAVE FROM GC - PUSH TP,D - -PATOUT: ILDB A,C ; READ A CHAR - SKIPE A ; IGNORE NULS - PUSHJ P,PITYO ; PRINT IT - MOVE D,(TP) ; RESTORE POINTER - SOJG E,PATOUT - -NOLEXD: SUB TP,[2,,2] ; FLUSH TP JUNK - MOVE P,D ; RESTORE P - SUB P,[1,,1] - JRST PNEXT - - -PENTCH: TLNE FLAGS,NOQBIT ; "PRINC"? - JRST PENTC1 ; YES, AVOID SLASHING - IDIVI A,CHRWD ; GET CHARS TYPE - LDB B,BYTPNT(B) - CAIL B,6 ; SKIP IF NOT SPECIAL - JRST PENTC2 ; SLASH IMMEDIATE - LDB A,[220600,,E] ; GET "STATE" - LDB A,STABYT-1(B) ; GET NEW STATE - DPB A,[220600,,E] ; AND SAVE IT -PENTC3: LDB A,C ; RESTORE CHARACTER -PENTC1: JSP B,DOIDPB - SKIPGE (P) ; SKIP IF DONE - JRST PATOM1 ; CONTINUE - JRST PATDON - -PENTC2: MOVEI A,"\ ; GET CHAR QUOTER - JSP B,DOIDPB ; NEEDED, DO IT - MOVEI A,4 ; PATCH FOR ATOMS ALREADY BACKSLASHED - JRST PENTC3-1 - -; ROUTINE TO PUT ONE CHAR ON STACK BUFFER - -DOIDPB: IDPB A,-1(P) ; DEPOSIT - TRNN D,377 ; SKIP IF D FULL - AOJA E,(B) - PUSH P,(P) ; MOVE TOP OF STACK UP - MOVEM D,-2(P) ; SAVE WORDS - MOVE D,[440700,,D] - MOVEM D,-1(P) - MOVEI D,0 - AOJA E,(B) - -; CHECK FOR UNIQUENESS LOOKING INTO PATH - -CHOBL: CAME A,$TOBLS ; SINGLE OBLIST? - JRST LSTOBL ; NO, AL LIST THEREOF - CAME B,C ; THE RIGTH ONE? - JRST CHROOT ; NO, CHECK ROOT - JRST NOLEX ; WINNER, NO TRAILERS! - -LSTOBL: PUSH TP,A ; SCAN A LIST OF OBLISTS - PUSH TP,B - PUSH TP,A - PUSH TP,B - PUSH TP,$TOBLS - PUSH TP,C - -NXTOB2: INTGO ; LIST LOOP, PREVENT LOSSAGE - SKIPN C,-2(TP) ; SKIP IF NOT DONE - JRST CHROO1 ; EMPTY, CHECK ROOT - MOVE B,1(C) ; GET ONE - CAME B,(TP) ; WINNER? - JRST NXTOBL ; NO KEEP LOOKING - CAMN C,-4(TP) ; SKIP IF NOT FIRST ON LIST - JRST NOLEX1 - MOVE A,-6(TP) ; GET ATOM BACK - MOVEI D,0 - ADD A,[3,,3] ; POINT TO PNAME - PUSH P,0 ; SAVE FROM RLOOKU - PUSH P,(A) - ADDI D,5 - AOBJN A,.-2 ; PUSH THE PNAME - PUSH P,D ; AND CHAR COUNT - MOVSI A,TLIST ; TELL RLOOKU WE WIN - MOVE B,-4(TP) ; GET BACK OBLIST LIST - SUB TP,[6,,6] ; FLUSH CRAP - PUSHJ P,RLOOKU ; FIND IT - POP P,0 - CAMN B,(TP) ; SKIP IF NON UNIQUE - JRST NOLEX ; UNIQUE , NO TRAILER!! - JRST CHROO2 ; CHECK ROOT - -NXTOBL: HRRZ B,@-2(TP) ; STEP THE LIST - MOVEM B,-2(TP) - JRST NXTOB2 - - -FNDOBL: MOVE C,(TP) ; GET ATOM - MOVSI A,TOBLS - MOVE B,2(C) - JUMPL B,.+3 - ADDI B,(TVP) - MOVE B,(B) - MOVSI C,TATOM - MOVE D,IMQUOTE OBLIST - PUSH P,0 - PUSHJ P,IGET - POP P,0 -NOOBL1: POP P,E ; RESTORE CHAR COUNT - MOVE D,(P) ; GET PARTIAL WORD - EXCH D,-1(P) ; AND BYTE POINTER - CAME A,$TATOM ; IF NOT ATOM, USE FALSE - JRST NOOBL - MOVEM B,(TP) ; STORE IN ATOM SLOT - MOVEI A,"! - JSP B,DOIDPB ; WRITE IT OUT - MOVEI A,"- - JSP B,DOIDPB - SUB P,[1,,1] - JRST PATOM0 ; AND LOOP - -NOOBL: MOVE C,[440700,,[ASCIZ /!-#FALSE ()/]] - ILDB A,C - JUMPE A,NOLEX0 - JSP B,DOIDPB - JRST .-3 - - -NOLEX1: SUB TP,[6,,6] ; FLUSH STUFF - JRST NOLEX - -CHROO1: SUB TP,[6,,6] -CHROO2: MOVE C,(TP) ; GET ATOM - SKIPGE C,2(C) ; AND ITS OBLIST - JRST CHROOT - ADDI C,(TVP) - MOVE C,(C) - JRST CHROOT - - - ; STATE TABLES FOR \ OF FIRST CHAR - -RADIX 16. - -STATS: 431244000 - 434444400 - 222224200 - 434564200 - 444444400 - 454564200 - 487444200 - 484444400 - 484444200 - -RADIX 8. - -STABYT: 400400,,STATS(A) - 340400,,STATS(A) - 300400,,STATS(A) - 240400,,STATS(A) - 200400,,STATS(A) - 140400,,STATS(A) - 100400,,STATS(A) - - ;PRINT LONG CHARACTER STRINGS. -; -PCHSTR: MOVE B,(TP) - TLZ FLAGS,ATMBIT ;WE ARE NOT USING ATOM-NAME TYPE ESCAPING - PUSH P,-1(TP) ; PUSH CHAR COUNT - MOVE D,[AOS E] ;GET INSTRUCTION TO COUNT CHARACTERS - SETZM E ;ZERO COUNT - PUSHJ P,PCHRST ;GO THROUGH STRING, ESCAPING, ETC. AND COUNTING - MOVE A,E ;PUT COUNT RETURNED IN REG A - TLNN FLAGS,NOQBIT ;SKIP (NO QUOTES) IF IN PRINC (BIT ON) - ADDI A,2 ;PLUS TWO FOR QUOTES - PUSH P,B ; SAVE B - MOVE B,-2(TP) ; GET CHANNEL INTO B - PUSHJ P,RETIF ;START NEW LINE IF NO SPACE - POP P,B ; RESTORE B - TLNE FLAGS,NOQBIT ;SKIP (PRINT ") IF BIT IS OFF (NOT PRINC) - JRST PCHS01 ;OTHERWISE, DON'T QUOTE - MOVEI A,"" ;PRINT A DOUBLE QUOTE - PUSH P,B ; SAVE B - MOVE B,-2(TP) - PUSHJ P,PITYO - POP P,B ; RESTORE B - -PCHS01: MOVE D,[PUSHJ P,PITYO] ;OUTPUT INSTRUCTION - MOVEM B,(TP) ;RESET BYTE POINTER - POP P,-1(TP) ; RESET CHAR COUNT - PUSHJ P,PCHRST ;TYPE STRING - - TLNE FLAGS,NOQBIT ;AGAIN, SKIP IF DOUBLE-QUOTING TO BE DONE - JRST PNEXT ;RESTORE REGS & POP UP ONE LEVEL TO CALLER - MOVEI A,"" ;PRINT A DOUBLE QUOTE - MOVE B,-2(TP) ; GET CHANNEL INTO B - PUSH P,B ; SAVE B - MOVE B,-2(TP) ; GET CHANNEL - PUSHJ P,PITYO - POP P,B ;RESTORE B - JRST PNEXT - - -;INTERNAL ROUTINE USED TO COUNT OR OUTPUT CHARACTER STRINGS. -; -;THE APPROPRIATE ESCAPING CONVENTIONS ARE USED AS DETERMINED BY THE FLAG BITS. -; -PCHRST: PUSH P,A ;SAVE REGS - PUSH P,B - PUSH P,C - PUSH P,D - -PCHR02: INTGO ; IN CASE VERY LONG STRING - HRRZ C,-1(TP) ;GET COUNT - SOJL C,PCSOUT ; DONE? - HRRM C,-1(TP) - ILDB A,(TP) ; GET CHAR - - TLNE FLAGS,NOQBIT ;SKIP IF WE ARE NOT IN PRINC MODE (NOQBIT=0) - JRST PCSPRT ;IF BIT IS ON, PRINT WITHOUT ESCAPING - CAIN A,ESCHAR ;SKIP IF NOT THE ESCAPE CHARACTER - JRST ESCPRN ;ESCAPE THE ESCAPE CHARACTER - CAIN A,"" ;SKIP IF NOT A DOUBLE QUOTE - JRST ESCPRN ;OTHERWISE, ESCAPE THE """ - IDIVI A,CHRWD ;CODE HERE FINDS CHARACTER TYPE - LDB B,BYTPNT(B) ; " - CAIGE B,6 ;SKIP IF NOT A NUMBER/LETTER - JRST PCSPRT ;OTHERWISE, PRINT IT - TLNN FLAGS,ATMBIT ;SKIP IF PRINTING AN ATOM-NAME (UNQUOTED) - JRST PCSPRT ;OTHERWISE, NO OTHER CHARS TO ESCAPE - -ESCPRN: MOVEI A,ESCHAR ;TYPE THE ESCAPE CHARACTER - PUSH P,B ; SAVE B - MOVE B,-2(TP) ; GET CHANNEL INTO B - XCT (P)-1 - POP P,B ; RESTORE B - -PCSPRT: LDB A,(TP) ;GET THE CHARACTER AGAIN - PUSH P,B ; SAVE B - MOVE B,-2(TP) ; GET CHANNEL INTO B - XCT (P)-1 ;PRINT IT - POP P,B ; RESTORE B - JRST PCHR02 ;LOOP THROUGH STRING - -PCSOUT: POP P,D - POP P,C ;RESTORE REGS & RETURN - POP P,B - POP P,A - POPJ P, - - - ;PRINT AN ARGUMENT LIST -;CHECK FOR TIME ERRORS - -PARGS: MOVEI B,-1(TP) ;POINT TO ARGS POINTER - PUSHJ P,CHARGS ;AND CHECK THEM - JRST PVEC ; CHEAT TEMPORARILY - - - -;PRINT A FRAME -PFRAME: MOVEI B,-1(TP) ;POINT TO FRAME POINTER - PUSHJ P,CHFRM - HRRZ B,(TP) ;POINT TO FRAME ITSELF - HRRZ B,FSAV(B) ;GET POINTER TO SUBROUTINE - CAMGE B,VECTOP - CAMGE B,VECBOT - SKIPA B,@-1(B) ; SUBRS AND FSUBRS - MOVE B,3(B) ; FOR RSUBRS - MOVSI A,TATOM - PUSH TP,-3(TP) ; GET CHANNEL FOR IPRINT - PUSH TP,-3(TP) - PUSHJ P,IPRINT ;PRINT FUNCTION NAME - SUB TP,[2,,2] ; POP CHANNEL OFF STACK - JRST PNEXT - -PPVP: MOVE B,(TP) ; PROCESS TO B - MOVSI A,TFIX - JUMPE B,.+3 - MOVE A,PROCID(B) - MOVE B,PROCID+1(B) ;GET ID - PUSH TP,-3(TP) ; GET CHANNEL FOR IPRINT - PUSH TP,-3(TP) - PUSHJ P,IPRINT - SUB TP,[2,,2] ; POP CHANNEL OFF STACK - JRST PNEXT - -; HERE TO PRINT LOCATIVES - -LOCPT1: HRRZ A,-1(TP) - JUMPN A,PUNK -LOCPT: MOVEI B,-1(TP) ; VALIDITY CHECK - PUSHJ P,CHLOCI - HRRZ A,-1(TP) - JUMPE A,GLOCPT - MOVE B,(TP) - MOVE A,(B) - MOVE B,1(B) - PUSH TP,-3(TP) ; GET CHANNEL FOR IPRINT - PUSH TP,-3(TP) - PUSHJ P,IPRINT - SUB TP,[2,,2] ; POP CHANNEL OFF STACK - JRST PNEXT - -GLOCPT: MOVEI A,2 - MOVE B,-2(TP) ; GET CHANNEL - PUSHJ P,RETIF - MOVEI A,"% - PUSHJ P,PITYO - MOVEI A,"< - PUSHJ P,PITYO - MOVSI A,TATOM - MOVE B,MQUOTE GLOC - PUSH TP,-3(TP) - PUSH TP,-3(TP) - PUSHJ P,IPRINT - SUB TP,[2,,2] - PUSHJ P,SPACEQ - MOVE B,(TP) - MOVSI A,TATOM - MOVE B,-1(B) - PUSH TP,-3(TP) - PUSH TP,-3(TP) - PUSHJ P,IPRINT - SUB TP,[2,,2] - PUSHJ P,SPACEQ - MOVSI A,TATOM - MOVE B,MQUOTE T - PUSH TP,-3(TP) - PUSH TP,-3(TP) - PUSHJ P,IPRINT - SUB TP,[2,,2] - MOVEI A,"> - PUSHJ P,PRETIF - JRST PNEXT - - ;PRINT UNIFORM VECTORS. -; -PUVEC: MOVE B,-2(TP) ; GET CHANNEL INTO B - MOVEI A,2 ; ROOM FOR ! AND SQ BRACK? - PUSHJ P,RETIF - MOVEI A,"! ;TYPE AN ! AND OPEN SQUARE BRACKET - PUSHJ P,PITYO - MOVEI A,"[ - PUSHJ P,PITYO - - MOVE C,(TP) ;GET AOBJN POINTER TO VECTOR - TLNN C,777777 ;SKIP ONLY IF COUNT IS NOT ZERO - JRST NULVEC ;ELSE, VECTOR IS EMPTY - - HLRE A,C ;GET NEG COUNT - MOVEI D,(C) ;COPY POINTER - SUB D,A ;POINT TO DOPE WORD - HLLZ A,(D) ;GET TYPE - PUSH P,A ;AND SAVE IT - -PUVE02: MOVE A,(P) ;PUT TYPE CODE IN REG A - MOVE B,(C) ;PUT DATUM INTO REG B - PUSH TP,-3(TP) ; GET CHANNEL FOR IPRINT - PUSH TP,-3(TP) - PUSHJ P,IPRINT ;TYPE IT - SUB TP,[2,,2] ; POP CHANNEL OF STACK - MOVE C,(TP) ;GET AOBJN POINTER - AOBJP C,NULVE1 ;JUMP IF COUNT IS ZERO - MOVEM C,(TP) ;PUT POINTER BACK ONTO STACK - - MOVE B,-2(TP) ; GET CHANNEL INTO B - PUSHJ P,SPACEQ - JRST PUVE02 ;LOOP THROUGH VECTOR - -NULVE1: SUB P,[1,,1] ;REMOVE STACK CRAP -NULVEC: MOVE B,-2(TP) ; GET CHANNEL INTO B - MOVEI A,"! ;TYPE CLOSE BRACKET - PUSHJ P,PRETIF - MOVEI A,"] - PUSHJ P,PRETIF - JRST PNEXT - - ;PRINT A GENERALIZED VECTOR -; -PVEC: MOVE B,-2(TP) ; GET CHANNEL INTO B - PUSHJ P,RETIF1 ;NEW LINE IF NO ROOM FOR [ - MOVEI A,"[ ;PRINT A LEFT-BRACKET - PUSHJ P,PITYO - - MOVE C,(TP) ;GET AOBJN POINTER TO VECTOR - TLNN C,777777 ;SKIP IF POINTER-COUNT IS NON-ZERO - JRST PVCEND ;ELSE, FINISHED WITH VECTOR -PVCR01: MOVE A,(C) ;PUT FIRST WORD OF NEXT ELEMENT INTO REG A - MOVE B,1(C) ;SECOND WORD OF LIST INTO REG B - PUSH TP,-3(TP) ; GET CHANNEL FOR IPRINT - PUSH TP,-3(TP) - PUSHJ P,IPRINT ;PRINT THAT ELEMENT - SUB TP,[2,,2] ; POP CHANNEL OFF STACK - - MOVE C,(TP) ;GET AOBJN POINTER FROM TP-STACK - AOBJP C,PVCEND ;POSITIVE HERE SERIOUS ERROR! (THOUGH NOT PDL) - AOBJN C,.+2 ;SKIP AND CONTINUE LOOP IF COUNT NOT ZERO - JRST PVCEND ;ELSE, FINISHED WITH VECTOR - MOVEM C,(TP) ;PUT INCREMENTED POINTER BACK ON TP-STACK - - MOVE B,-2(TP) ; GET CHANNEL INTO B - PUSHJ P,SPACEQ - JRST PVCR01 ;CONTINUE LOOPING THROUGH OBJECTS ON VECTOR - -PVCEND: MOVE B,-2(TP) ; GET CHANNEL INTO B - PUSHJ P,RETIF1 ;NEW LINE IF NO ROOM FOR ] - MOVEI A,"] ;PRINT A RIGHT-BRACKET - PUSHJ P,PITYO - JRST PNEXT - - ;PRINT A LIST. -; -PLIST: MOVE B,-2(TP) ; GET CHANNEL INTO B - PUSHJ P,RETIF1 ;NEW LINE IF NO SPACE LEFT FOR "(" - MOVEI A,"( ;TYPE AN OPEN PAREN - PUSHJ P,PITYO - PUSHJ P,LSTPRT ;PRINT THE INSIDES - MOVE B,-2(TP) ; RESTORE CHANNEL TO B - PUSHJ P,RETIF1 ;NEW LINE IF NO ROOM FOR THE CLOSE PAREN - MOVEI A,") ;TYPE A CLOSE PAREN - PUSHJ P,PITYO - JRST PNEXT - -PSEG: TLOA FLAGS,SEGBIT ;PRINT A SEGMENT (& SKIP) - -PFORM: TLZ FLAGS,SEGBIT ;PRINT AN ELEMENT - -PLMNT3: MOVE C,(TP) - JUMPE C,PLMNT1 ;IF THE CALL IS EMPTY GO AWAY - MOVE B,1(C) - MOVEI D,0 - CAMN B,MQUOTE LVAL - MOVEI D,". - CAMN B,MQUOTE GVAL - MOVEI D,", - CAMN B,MQUOTE QUOTE - MOVEI D,"' - JUMPE D,PLMNT1 ;NEITHER, LEAVE - -;ITS A SPECIAL HACK - HRRZ C,(C) - JUMPE C,PLMNT1 ;NIL BODY? - -;ITS VALUE OF AN ATOM - HLLZ A,(C) - MOVE B,1(C) - HRRZ C,(C) - JUMPN C,PLMNT1 ;IF TERE ARE EXTRA ARGS GO AWAY - - PUSH P,D ;PUSH THE CHAR - PUSH TP,A - PUSH TP,B - TLNN FLAGS,SEGBIT ;SKIP (CONTINUE) IF THIS IS A SEGMENT - JRST PLMNT4 ;ELSE DON'T PRINT THE "." - -;ITS A SEGMENT CALL - MOVE B,-4(TP) ; GET CHANNEL INTO B - MOVEI A,2 ; ROOM FOR ! AND . OR , - PUSHJ P,RETIF - MOVEI A,"! - PUSHJ P,PITYO - -PLMNT4: MOVE B,-4(TP) ; GET CHANNEL INTO B - PUSHJ P,RETIF1 - POP P,A ;RESTORE CHAR - PUSHJ P,PITYO - POP TP,B - POP TP,A - PUSH TP,-3(TP) ; GET CHANNEL FOR IPRINT - PUSH TP,-3(TP) - PUSHJ P,IPRINT - SUB TP,[2,,2] ; POP CHANNEL OFF STACK - JRST PNEXT - - -PLMNT1: TLNN FLAGS,SEGBIT ;SKIP IF THIS IS A SEGMENT - JRST PLMNT5 ;ELSE DON'T TYPE THE "!" - -;ITS A SEGMENT CALL - MOVE B,-2(TP) ; GET CHANNEL INTO B - MOVEI A,2 ; ROOM FOR ! AND < - PUSHJ P,RETIF - MOVEI A,"! - PUSHJ P,PITYO - -PLMNT5: MOVE B,-2(TP) ; GET CHANNEL FOR B - PUSHJ P,RETIF1 - MOVEI A,"< - PUSHJ P,PITYO - PUSHJ P,LSTPRT - MOVEI A,"! - MOVE B,-2(TP) ; GET CHANNEL INTO B - TLNE FLAGS,SEGBIT ;SKIP IF NOT SEGEMNT - PUSHJ P,PRETIF - MOVEI A,"> - PUSHJ P,PRETIF - JRST PNEXT - - - -LSTPRT: SKIPN C,(TP) - POPJ P, - HLLZ A,(C) ;GET NEXT ELEMENT - MOVE B,1(C) - HRRZ C,(C) ;CHOP THE LIST - JUMPN C,PLIST1 - PUSH TP,-3(TP) ; GET CHANNEL FOR IPRINT - PUSH TP,-3(TP) - PUSHJ P,IPRINT ;PRINT THE LAST ELEMENT - SUB TP,[2,,2] ; POP CHANNEL OFF STACK - POPJ P, - -PLIST1: MOVEM C,(TP) - PUSH TP,-3(TP) ; GET CHANNEL FOR IPRINT - PUSH TP,-3(TP) - PUSHJ P, IPRINT ;PRINT THE NEXT ELEMENT - SUB TP,[2,,2] ; POP CHANNEL OFF STACK - MOVE B,-2(TP) ; GET CHANNEL INTO B - PUSHJ P,SPACEQ - JRST LSTPRT ;REPEAT - -PNEXT: POP P,FLAGS ;RESTORE PREVIOUS FLAG BITS - SUB TP,[2,,2] ;REMOVE INPUT ELEMENT FROM TP-STACK - POP P,C ;RESTORE REG C - POPJ P, - -OPENIT: PUSH P,E - PUSH P,FLAGS - PUSHJ P,OPNCHN - POP P,FLAGS - POP P,E - JUMPGE B,FNFFL ;ERROR IF IT CANNOT BE OPENED - POPJ P, - - -END - -TITLE GETPUT ASSOCIATION FUNCTIONS FOR MUDDLE - -RELOCATABLE - -.INSRT MUDDLE > - -; COMPONENTS IN AN ASSOCIATION BLOCK - -ITEM==0 ;ITEM TO WHICH INDUCATOR APPLIES -VAL==2 ;VALUE -INDIC==4 ;INDICATOR -NODPNT==6 ;IF NON ZERO POINTS TO CHAIN -PNTRS==7 ;POINTERS NEXT (RH) AND PREV (LH) - -ASOLNT==8 ;NUMBER OF WORDS IN AN ASSOCIATION BLOCK - -.GLOBAL ASOVEC ;POINTER TO HASH VECTOR IN TV -.GLOBAL ASOLNT,ITEM,INDIC,VAL,NODPNT,NODES,IPUTP,IGETP,PUT,IFALSE -.GLOBAL DUMNOD,IGETLO,IBLOCK,MONCH,RMONCH,IPUT,IGETL,IREMAS,IGET -.GLOBAL NWORDT,CIGETP,CIGTPR,CIPUTP,CIREMA,MPOPJ - -MFUNCTION GETP,SUBR,[GETPROP] - - ENTRY - -IGETP: PUSHJ P,GETLI - JRST FINIS ; NO SKIP, LOSE - MOVSI A,TLOCN - HLLZ 0,VAL(B) - PUSHJ P,RMONCH ; CHECK MONITOR - MOVE A,VAL(B) ;ELSE RETURN VALUE - MOVE B,VAL+1(B) -CFINIS: JRST FINIS - -; FUNCTION TO RETURN LOCATIVE TO ASSOC - -MFUNCTION GETPL,SUBR - - ENTRY - -IGETLO: PUSHJ P,GETLI - JRST FINIS - MOVSI A,TLOCN - JRST FINIS - -GETLI: PUSHJ P,2OR3 ; GET ARGS - PUSHJ P,IGETL ;SEE IF ASSOCIATION EXISTS - SKIPE B - AOS (P) ; WIN RETURN - CAMGE AB,[-4,,0] ; ANY ERROR THING - JUMPE B,CHFIN ;IF 0, NONE EXISTS - POPJ P, - -CHFIN: PUSH TP,4(AB) - PUSH TP,5(AB) - MCALL 1,EVAL - POPJ P, - -; COMPILER CALLS TO SOME OF THESE - -CIGETP: SUBM M,(P) ; FIX RET ADDR - PUSHJ P,IGETL ; GO TO INTERNAL - JUMPE B,MPOPJ - MOVSI A,TLOCN -MPOPJ1: SOS (P) ; WINNER (SOS BECAUSE OF SUBM M,(P)) -MPOPJ: SUBM M,(P) - POPJ P, - -CIGTPR: SUBM M,(P) - PUSHJ P,IGETL - JUMPE B,MPOPJ - MOVE A,VAL(B) ; GET VAL TYPE - MOVE B,VAL+1(B) - JRST MPOPJ1 - -CIPUTP: SUBM M,(P) - PUSH TP,-1(TP) ; SAVE VAL - PUSH TP,-1(TP) - PUSHJ P,IPUT ; DO IT - POP TP,B - POP TP,A - JRST MPOPJ - -CIREMA: SUBM M,(P) - PUSHJ P,IREMAS ; FLUSH IT - JRST MPOPJ - -; CHECK PUT/GET PUTPROP AND GETPROP ARGS - -2OR3: HLRE 0,AB - ASH 0,-1 ; TO -# OF ARGS - ADDI 0,2 ; AT LEAST 2 - JUMPG 0,TFA ; 1 OR LESS, LOSE - AOJL 0,TMA ; 4 OR MORE, LOSE - MOVE A,(AB) ; GET ARGS INTO ACS - MOVE B,1(AB) - MOVE C,2(AB) - MOVE D,3(AB) - POPJ P, - -; INTERNAL GET - -IGET: PUSHJ P,IGETL ; GET LOCATIVE - JUMPE B,CPOPJ - MOVE A,VAL(B) - MOVE B,VAL+1(B) - POPJ P, - -; FUNCTION TO MAKE AN ASSOCIATION - -MFUNCTION PUTP,SUBR,[PUTPROP] - - ENTRY - -IPUTP: PUSHJ P,2OR3 ; GET ARGS - JUMPN 0,REMAS ; REMOVE AN ASSOCIATION - PUSH TP,4(AB) ; SAVE NEW VAL - PUSH TP,5(AB) - PUSHJ P,IPUT ; DO IT - MOVE A,(AB) ; RETURN NEW VAL - MOVE B,1(AB) - JRST FINIS - -REMAS: PUSHJ P,IREMAS - JRST FINIS - -IPUT: SKIPN DUMNOD+1(TVP) ; NEW DUMMY NEDDED? - PUSHJ P,DUMMAK ; YES, GO MAKE ONE -IPUT1: PUSHJ P,IGETI ;SEE IF THIS ONE EXISTS - - JUMPE B,NEWASO ;JUMP IF NEED NEW ASSOCIATION BLOCK -CLOBV: MOVE C,-5(TP) ; RET NEW VAL - MOVE D,-4(TP) - SUB TP,[6,,6] - HLLZ 0,VAL(B) - MOVSI A,TLOCN - PUSHJ P,MONCH ; MONITOR CHECK - MOVEM C,VAL(B) ;STORE IT - MOVEM D,VAL+1(B) -CPOPJ: POPJ P, - -; HERE TO CREATE A NEW ASSOCIATION - -NEWASO: MOVE B,DUMNOD+1(TVP) ; GET BALNK ASSOCIATION - SETZM DUMNOD+1(TVP) ; CAUSE NEW ONE NEXT TIME - - -;NOW SPLICE IN CHAIN - - JUMPE D,PUT1 ;NO OTHERS EXISTED IN THIS BUCKET - HRLZM C,PNTRS(B) ;CLOBBER PREV POINTER - HRRM B,PNTRS(C) ;AND NEXT POINTER - JRST .+2 - -PUT1: HRRZM B,(C) ;STORE INTO VECTOR - HRRZ C,NODES+1(TVP) - HRLM C,NODPNT(B) - MOVE D,NODPNT(C) - HRRZM B,NODPNT(C) - HRRM D,NODPNT(B) - HRLM B,NODPNT(D) - MOVEI C,-3(TP) ;COPY ARG POINTER - MOVSI A,-4 ;AND COPY POINTER - -PUT2: MOVE D,(C) ;START COPYING - MOVEM D,@CLOBTB(A) - ADDI C,1 - AOBJN A,PUT2 ;NOTE *** DEPENDS ON ORDER IN VECTOR *** - - JRST CLOBV - -;HERE TO REMOVE AN ASSOCIATION - -IREMAS: PUSHJ P,IGETL ;LOOK IT UP - JUMPE B,CPOPJ ;NEVER EXISTED, IGNORE - HRRZ A,PNTRS(B) ;NEXT POINTER - HLRZ E,PNTRS(B) ;PREV POINTER - SKIPE A ;DOES A NEXT EXIST? - HRLM E,PNTRS(A) ;YES CLOBBER ITS PREV POINTER - SKIPN D ;SKIP IF NOT FIRST IN BUCKET - MOVEM A,(C) ;FIRST STORE NEW ONE - SKIPE D ;OTHERWISE - HRRM A,PNTRS(E) ;PATCH NEXT POINTER IN PREVIOUS - HRRZ A,NODPNT(B) ;SEE IF MUST UNSPLICE NODE - HLRZ E,NODPNT(B) - SKIPE A - HRLM E,NODPNT(A) ;SPLICE - JUMPE E,PUT4 ;FLUSH IF NO PREV POINTER - HRRZ C,NODPNT(E) ;GET PREV'S NEXT POINTER - CAIE C,(B) ;DOES IT POINT TO THIS NODE - .VALUE [ASCIZ /:FATAL PUT LOSSAGE/] - HRRM A,NODPNT(E) ;YES, SPLICE -PUT4: MOVE A,VAL(B) ;RETURN VALUE - SETZM PNTRS(B) - MOVE B,VAL+1(B) - POPJ P, - - -;INTERNAL GET FUNCTION CALLED BY PUT AND GET -; A AND B ARE THE ITEM -;C AND D ARE THE INDICATOR - -IGETL: PUSHJ P,IGETI - SUB TP,[4,,4] ; FLUSH CRUFT LEFT BY IGETI - POPJ P, - -IGETI: PUSHJ P,LHCLR - EXCH A,C - PUSHJ P,LHCLR - EXCH C,A - PUSH TP,A - PUSH TP,B - PUSH TP,C ;SAVE C AND D - PUSH TP,D - XOR A,B ; BUILD HASH - XOR A,C - XOR A,D - TLZ A,400000 ; FORCE POS A - HLRZ B,ASOVEC+1(TVP) ;GET LENGTH OF HASH VECTOR - MOVNS B - IDIVI A,(B) ;RELATIVE BUCKET NOW IN B - HRLI B,(B) ;IN CASE GC OCCURS - ADD B,ASOVEC+1(TVP) ;POINT TO BUCKET - MOVEI D,0 ;SET FIRST SWITCH - SKIPN A,(B) ;GET CONTENTS OF BUCKET (DONT SKIP IF EMPTY) - JRST GFALSE - - MOVSI 0,TASOC ;FOR INTGOS, MAKE A TASOC - HLLZM 0,ASTO(PVP) - -IGET1: GETYPF 0,ITEM(A) ;GET ITEMS TYPE - - MOVE E,ITEM+1(A) - CAMN 0,-3(TP) ;COMPARE TYPES - CAME E,-2(TP) ;AND VALUES - JRST NXTASO ;LOSER - GETYPF 0,INDIC(A) ;MOW TRY INDICATORS - MOVE E,INDIC+1(A) - CAMN 0,-1(TP) - CAME E,(TP) - JRST NXTASO - - SKIPN D ;IF 1ST THEN - MOVE C,B ;RETURN POINTER IN C - MOVE B,A ;FOUND, RETURN ASSOCIATION - MOVSI A,TASOC -IGRET: SETZM ASTO(PVP) - POPJ P, - -NXTASO: MOVEI D,1 ;SET SWITCH - MOVE C,A ;CYCLE - HRRZ A,PNTRS(A) ;STEP - JUMPN A,IGET1 - - MOVSI A,TFALSE - MOVEI B,0 - JRST IGRET - -GFALSE: MOVE C,B ;PRESERVE VECTOR POINTER - MOVSI A,TFALSE - SETZB B,D - JRST IGRET - -; FUNCTION TO DO A PUT AND ALSO ADD TO THE NODE FOR THIS GOODIE - -REPEAT 0,[ -MFUNCTION PUTN,SUBR - - ENTRY - - CAML AB,[-4,,0] ;WAS THIS A REMOVAL - JRST PUT - - PUSHJ P,IPUT ;DO THE PUT - SKIPE NODPNT(C) ;NODE CHAIN EXISTS? - JRST FINIS - - PUSH TP,$TASOC ;NO, START TO BUILD - PUSH TP,C - SKIPN DUMNOD+1(TVP) ; FIX UP DUMMY? - PUSHJ P,DUMMAK -CHPT: MOVE C,$TCHSTR - MOVE D,CHQUOTE NODE - PUSHJ P,IGETL - JUMPE B,MAKNOD ;NOT FOUND, LOSE -NODSPL: MOVE C,(TP) ;HERE TO SPLICE IN NEW NODE - MOVE D,VAL+1(B) ;GET POINTER TO NODE STRING - HRRM D,NODPNT(C) ;CLOBBER - HRLM B,NODPNT(C) - SKIPE D ;SPLICE ONLY IF THERE IS SOMETHING THERE - HRLM C,NODPNT(D) - MOVEM C,VAL+1(B) ;COMPLETE NODE CHAIN - MOVE A,2(AB) ;RETURN VALUE - MOVE B,3(AB) - JRST FINIS - -MAKNOD: PUSHJ P,NEWASO ;GENERATE THE NEW ASSOCIATION - MOVE A,@CHPT ;GET UNIQUE STRING - MOVEM A,INDIC(C) ;CLOBBER IN INDIC - MOVE A,@CHPT+1 - MOVEM A,INDIC+1(C) - MOVE B,C ;POINTER TO B - HRRZ C,NODES+1(TVP) ;GET POINTER TO CHAIN OF NODES - HRRZ D,VAL+1(C) ;SKIP DUMMY NODE - HRRM B,VAL+1(C) ;CLOBBER INTO CHAIN - HRRM D,NODPNT(B) - SKIPE D ;SPLICE IF ONLY SOMETHING THERE - HRLM B,NODPNT(D) - HRLM C,NODPNT(B) - MOVSI A,TASOC ;SET TYPE OF VAL TO ASSOCIATION - MOVEM A,VAL(B) - SETZM VAL+1(B) - JRST NODSPL ;GO SPLICE ITEM ONTO NODE -] - -DUMMAK: PUSH TP,A - PUSH TP,B - PUSH TP,C - PUSH TP,D - MOVEI A,ASOLNT - PUSHJ P,IBLOCK - MOVSI A,400000+SASOC+.VECT. - MOVEM A,ASOLNT(B) ;SET SPECIAL TYPE - MOVEM B,DUMNOD+1(TVP) - POP TP,D - POP TP,C - POP TP,B - POP TP,A - POPJ P, - -CLOBTB: ITEM(B) - ITEM+1(B) - INDIC(B) - INDIC+1(B) - VAL(B) - VAL+1(B) - -MFUNCTION ASSOCIATIONS,SUBR - - ENTRY 0 - MOVE B,NODES+1(TVP) -ASSOC1: MOVSI A,TASOC ; SET TYPE - HRRZ B,NODPNT(B) ; POINT TO 1ST REAL NODE - JUMPE B,IFALSE - JRST FINIS - -; RETURN NEXT ASSOCIATION IN CHAIN OR FALSE - -MFUNCTION NEXT,SUBR - - ENTRY 1 - - GETYP 0,(AB) ; BETTER BE ASSOC - CAIE 0,TASOC - JRST WTYP1 ; LOSE - MOVE B,1(AB) ; GET ARG - JRST ASSOC1 - -; GET ITEM/INDICATOR/VALUE CELLS - -MFUNCTION %ITEM,SUBR,ITEM - - MOVEI B,ITEM ; OFFSET - JRST GETIT - -MFUNCTION INDICATOR,SUBR - - MOVEI B,INDIC - JRST GETIT - -MFUNCTION AVALUE,SUBR - - MOVEI B,VAL -GETIT: ENTRY 1 - GETYP 0,(AB) ; BETTER BE ASSOC - CAIE 0,TASOC - JRST WTYP1 - ADD B,1(AB) ; GET ARG - MOVE A,(B) - MOVE B,1(B) - JRST FINIS - -LHCLR: PUSH P,A - GETYP A,A - PUSHJ P,NWORDT ; DEFERRED ? - SOJE A,LHCLR2 - POP P,A -LHCLR1: TLZ A,TYPMSK#<-1> - POPJ P, -LHCLR2: POP P,A - HLLZS A - JRST LHCLR1 - -END - -TITLE READC TELETYPE DEVICE HANDLER FOR MUDDLE - -RELOCATABLE - -.INSRT MUDDLE > - -SYSQ - -IF1,[ -IFE ITS,.INSRT MUDSYS;STENEX > -] - -.GLOBAL BUFRIN,CHRCNT,SYSCHR,ECHO,BYTPTR,ERASCH,KILLCH,BRKCH,AGC,CHRWRD,W1CHAR,GWB -.GLOBAL IOIN2,READC,WRONGC,BRFCHR,ESCAP,TTYOPE,MTYI,MTYO,NOTTY,TTYOP2,IBLOCK -.GLOBAL RRESET,TTICHN,TTOCHN,CHANNO,STATUS,BRFCH2,TTYBLK,TTYUNB,WAITNS -.GLOBAL EXBUFR,INCHAR,BYTDOP,BUFSTR,LSTCH,CHNCNT,DIRECT,IOINS,IBLOCK,INCONS -.GLOBAL BADCHN,WRONGD,CHNLOS,MODE1,MODE2,GMTYO,IDVAL,GETCHR,PAGLN,LINLN -.GLOBAL RDEVIC -TTYOUT==1 -TTYIN==2 - -; FLAGS CONCERNING TTY CHANNEL STATE - -N.ECHO==1 ; NO INPUT ECHO -N.CNTL==2 ; NO RUBOUT ^L ^D ECHO -N.IMED==4 ; ALL CHARS WAKE UP -N.IME1==10 ; SOON WILL BE N.IMED - - -; OPEN BLOCK MODE BITS -OUT==1 -IMAGEM==4 -ASCIIM==0 -UNIT==0 - - -; READC IS CALLED BY PUSHJ P,READC -; B POINTS TO A TTY FLAVOR CHANNEL -; ONE CHARACTER IS RETURNED IN A -; BECOMES INTERRUPTABLE IF NO CHARACTERS EXISTS - -; HERE TO ASK SYSTEM FOR SOME CHARACTERS - -INCHAR: IRP A,,[0,C,D,E] ;SAVE ACS - PUSH P,A - TERMIN - MOVE E,BUFRIN(B) ; GET AUX BUFFER - MOVE D,BYTPTR(E) - HLRE 0,E ;FIND END OF BUFFER - SUBM E,0 - ANDI 0,-1 ;ISOLATE RH - MOVE C,SYSCHR(E) ; GET FLAGS - -INCHR1: TRNE C,N.IMED+N.CNTL ; SKIP IF NOT IMMEDIATE - JRST DONE - TLZE D,40 ; SKIP IF NOT ESCAPED - JRST INCHR2 ; ESCAPED - CAMN A,ESCAP(E) ; IF ESCAPE - TLO D,40 ; REMEMBER - CAMN A,BRFCH2(E) - JRST BRF - CAMN A,BRFCHR(E) ;BUFFER PRINT CHAR - JRST CLEARQ ;MAYBE CLEAR SCREEN - CAMN A,BRKCH(E) ;IS THIS A BREAK? - JRST DONE ;YES, DONE - CAMN A,ERASCH(E) ;ARE IS IT ERASE? - JRST ERASE ;YES, GO PROCESS - CAMN A,KILLCH(E) ;OR KILL - JRST KILL - -INCHR2: PUSHJ P,PUTCHR ;PUT ACHAR IN BUFFER -INCHR3: MOVEM D,BYTPTR(E) - JRST DONE1 - -DONE: SKIPL A ; IF JUST BUFFER FORCE, SKIP - PUSHJ P,PUTCHR ; STORE CHAR - MOVEI A,N.IMED ; TURN OFF IMEDIACY - ANDCAM A,SYSCHR(E) - MOVEM D,BYTPTR(E) - PUSH TP,$TCHAN ; SAVE CHANNEL - PUSH TP,B - MOVE A,CHRCNT(E) ; GET # OF CHARS - SETZM CHRCNT(E) - PUSH P,A - ADDI A,4 ; ROUND UP - IDIVI A,5 ; AND DOWN - PUSHJ P,IBLOCK ; GET CORE - HLRE A,B ; FIND D.W. - SUBM B,A - MOVSI 0,TCHRS+.VECT. ; GET TYPE - MOVEM 0,(A) ; AND STORE - MOVEI D,(B) ; COPY PNTR - POP P,C ; CHAR COUNT - HRLI D,440700 - HRLI C,TCHSTR - PUSH TP,C - PUSH TP,D - PUSHJ P,INCONS ; CONS IT ON - MOVE C,-2(TP) ; GET CHAN BACK - MOVEI D,EXBUFR(C) ; POINT TO BUFFER LIST - HRRZ 0,(D) ; LAST? - JUMPE 0,.+3 - MOVE D,0 - JRST .-3 ; GO UNTIL END - HRRM B,(D) ; SPLICE - -; HERE TO BLT IN BUFFER - - MOVE D,BUFRIN(C) ; POINT TO COMPLETED BUFFER - HRRZ C,(TP) ; START OF NEW STRING - HRLI C,BYTPTR+1(D) ; 1ST WORD OF CHARS - MOVE E,[010700,,BYTPTR(E)] - EXCH E,BYTPTR(D) ; END OF STRING - MOVEI E,-BYTPTR(E) - ADD E,(TP) ; ADD TO START - BLT C,-1(E) - MOVE B,-2(TP) ; CHANNEL BACK - SUB TP,[4,,4] ; FLUSH JUNK - PUSHJ P,TTYUNB ; UNBLOCK THIS TTY -DONE1: IRP A,,[E,D,C,0] - POP P,A - TERMIN - POPJ P, - - -ERASE: SKIPN CHRCNT(E) ;ANYTHING IN BUFFER? - JRST BARFCR ;NO, MAYBE TYPE CR - - SOS CHRCNT(E) ;DELETE FROM COUNT - LDB A,D ;RE-GOBBLE LAST CHAR -IFN ITS,[ - LDB C,[600,,STATUS(B)] ; CHECK FOR IMLAC - CAIE C,2 ; SKIP IF IT IS -] - JRST TYPCHR - SKIPN ECHO(E) ; SKIP IF ECHOABLE - JRST NECHO - PUSHJ P,CHRTYP ; FOUND OUT IMALC BEHAVIOR - SKIPGE C,FIXIM2(C) - JRST (C) -NOTFUN: PUSHJ P,DELCHR - SOJG C,.-1 - -NECHO: ADD D,[70000,,0] ;DECREMENT BYTE POINTER - JUMPGE D,INCHR3 ;AND GO ON, UNLESS BYTE POINTER LOST - SUB D,[430000,,1] ;FIX UP BYTE POINTER - JRST INCHR3 - -LFKILL: PUSHJ P,LNSTRV - JRST NECHO - -BSKILL: PUSHJ P,GETPOS ; CURRENT POSITION TO A - PUSHJ P,SETPOS ; POSITION IMLAC CURSOR - MOVEI A,20 ; ^P - XCT ECHO(E) - MOVEI A,"L ; L , DELETE TO END OF LINE - XCT ECHO(E) - JRST NECHO - -TBKILL: PUSHJ P,GETPOS - ANDI A,7 - SUBI A,10 ; A -NUMBER OF DELS TO DO - PUSH P,A - PUSHJ P,DELCHR - AOSE (P) - JRST .-2 - - SUB P,[1,,1] - JRST NECHO -TYPCHR: -IFE ITS,[ - PUSH P,A ; USE TENEX SLASH RUBOUT - MOVEI A,"\ - SKIPE C,ECHO(E) - XCT C - POP P,A -] - SKIPE C,ECHO(E) - XCT C - JRST NECHO - -; ROUTINE TO DEL CHAR ON IMLAC - -DELCHR: MOVEI A,20 - XCT ECHO(E) - MOVEI A,"X - XCT ECHO(E) - POPJ P, - -; HERE FOR SPECIAL IMLAC HACKS - -FOURQ: PUSH P,CNOTFU -FOURQ2: MOVEI C,2 ; FOR ^Z AND ^_ - CAMN B,TTICHN+1(TVP) ; SKIP IF NOT CONSOLE TTY - MOVEI C,4 -CNOTFU: POPJ P,NOTFUN - -CNECHO: JRST NECHO - -LNSTRV: MOVEI A,20 ; ^P - XCT ECHO(E) - MOVEI A,"U - XCT ECHO(E) - POPJ P, - -; HERE IF KILLING A C.R., RE-POSITION CURSOR - -CRKILL: PUSHJ P,GETPOS ; COMPUTE LINE POS - PUSHJ P,SETPOS - JRST NECHO - -SETPOS: PUSH P,A ; SAVE POS - MOVEI A,20 - XCT ECHO(E) - MOVEI A,"H - XCT ECHO(E) - POP P,A - XCT ECHO(E) ; HORIZ POSIT AT END OF LINE - POPJ P,0 - -GETPOS: PUSH P,0 - MOVEI 0,10 ; MINIMUM CURSOR POS - PUSH P,[010700,,BYTPTR(E)] ; POINT TO BUFFER - PUSH P,CHRCNT(E) ; NUMBER THEREOF - -GETPO1: SOSGE (P) ; COUNT DOWN - JRST GETPO2 - ILDB A,-1(P) ; CHAR FROM BUFFER - CAIN A,15 ; SKIP IF NOT CR - MOVEI 0,10 ; C.R., RESET COUNT - PUSHJ P,CHRTYP ; GET TYPE - XCT FIXIM3(C) ; GET FIXED COUNT - ADD 0,C - JRST GETPO1 - -GETPO2: MOVE A,0 ; RET COUNT - MOVE 0,-2(P) ; RESTORE AC 0 - SUB P,[3,,3] - POPJ P, - -CHRTYP: MOVEI C,0 ; NUMBER OF FLUSHEES - CAILE A,37 ; SKIP IF CONTROL CHAR - POPJ P, - PUSH TP,$TCHAN - PUSH TP,B ; SAVE CHAN - IDIVI A,12. ; FIND SPECIAL HACKS - MOVE A,FIXIML(A) ; GET CONT WORD - IMULI B,3 - ROTC A,3(B) ; GET CODE IN B - ANDI B,7 - MOVEI C,(B) - MOVE B,(TP) ; RESTORE CHAN - SUB TP,[2,,2] - POPJ P, - -FIXIM2: 1 - 2 - SETZ FOURQ - SETZ CRKILL - SETZ LFKILL - SETZ BSKILL - SETZ TBKILL - -FIXIM3: MOVEI C,1 - MOVEI C,2 - PUSHJ P,FOURQ2 - MOVEI C,0 - MOVEI C,0 - MOVNI C,1 - PUSHJ P,CNTTAB - -CNTTAB: ANDCMI 0,7 ; GET COUNT INCUDING TAB HACK - ADDI 0,10 - MOVEI C,0 - POPJ P, - -FIXIML: 111111,,115641 ; CNTL @ABCDE,,FGHIJK - 131111,,111111 ; LMNOPQ,,RSTUVW - 112011,,120000 ; XYZ LBRAK \ RBRAK,,^ _ - -; HERE TO KILL THE WHOLE BUFFER - -KILL: CLEARM CHRCNT(E) ;NONE LEFT NOW - MOVE D,[010700,,BYTPTR(E)] ;RESET POINTER - -BARFCR: -IFN ITS,[ - MOVE A,ERASCH(E) ;GET THE ERASE CHAR - CAIN A,177 ;IS IT RUBOUT? -] - PUSHJ P,CRLF1 ; PRINT CR-LF - JRST INCHR3 - -CLEARQ: -IFN ITS,[ - MOVE A,STATUS(B) ;CHECK CONSOLE KIND - ANDI A,77 - CAIN A,2 ;DATAPOINT? - PUSHJ P,CLR ;YES, CLEAR SCREEN -] - -BRF: MOVE C,[010700,,BYTPTR(E)] ;POINT TO START OF BUFFER - SKIPN ECHO(E) ;ANY ECHO INS? - JRST NECHO - - PUSHJ P,CRLF2 - PUSH P,CHRCNT(E) - - SOSGE (P) - JRST DECHO - ILDB A,C ;GOBBLE CHAR - XCT ECHO(E) ;ECHO IT - JRST .-4 ;DO FOR ENTIRE BUFFER - -DECHO: SUB P,[1,,1] - JRST INCHR3 - -CLR: SKIPN C,ECHO(E) ;ONLY IF INS EXISTS - POPJ P, - MOVEI A,20 ;ERASE SCREEN - XCT C - MOVEI A,103 - XCT C - POPJ P, - -PUTCHR: AOS CHRCNT(E) ;COUNT THIS CHARACTER - IBP D ;BUMP BYTE POINTER - CAIG 0,@D ;DONT SKIP IF BUFFER FULL - PUSHJ P,BUFULL ;GROW BUFFER -IFE ITS,[ - CAIN A,37 ; CHANGE EOL TO CRLF - MOVEI A,15 -] - DPB A,D ;CLOBBER BYTE POINTER IN - MOVE C,SYSCHR(E) ; FLAGS - TRNN C,N.IMED+N.CNTL - CAIE A,15 ; IF CR INPUT, FOLLOW WITH LF - POPJ P, - MOVEI A,12 ; GET LF - JRST PUTCHR - -; BUFFER FULL, GROW THE BUFFER - -BUFULL: PUSH TP,$TCHAN ;SAVE B - PUSH TP,B - PUSH P,A ; SAVE CURRENT CHAR - HLRE A,BUFRIN(B) - MOVNS A - ADDI A,100 ; MAKE ONE LONGER - PUSHJ P,IBLOCK ; GET IT - MOVE A,(TP) ;RESTORE CHANNEL POINTER - SUB TP,[2,,2] ;AND REMOVE CRUFT - MOVE E,BUFRIN(A) ;GET AUX BUFFER POINTER - MOVEM B,BUFRIN(A) - HLRE 0,E ;RECOMPUTE 0 - MOVSI E,(E) - HRRI E,(B) ; POINT TO DEST - SUB B,0 - BLT E,(B) - MOVEI 0,100-2(B) - MOVE B,A - POP P,A - POPJ P, - -; ROUTINE TO CRLF ON ANY TTY - -CRLF1: SKIPN ECHO(E) - POPJ P, ; NO ECHO INS -CRLF2: MOVEI A,15 - XCT ECHO(E) - MOVEI A,12 - XCT ECHO(E) - POPJ P, - -; SUBROUTINE TO FLUSH BUFFER - -RRESET: SETZM LSTCH(B) ; CLOBBER RE-USE CHAR - MOVE E,BUFRIN(B) ;GET AUX BUFFER - SETZM CHRCNT(E) - MOVEI D,N.IMED+N.IME1 - ANDCAM D,SYSCHR(E) - MOVE D,[010700,,BYTPTR(E)] ;RESET BYTE POINTER - MOVEM D,BYTPTR(E) - MOVE D,CHANNO(B) ;GOBBLE CHANNEL - SETZM CHNCNT(D) ; FLUSH COUNTERS -IFN ITS,[ - LSH D,23. ;POSITION - IOR D,[.RESET 0] - XCT D ;RESET ITS CHANNEL -] -IFE ITS,[ - MOVEI A,100 ; TTY IN JFN - CFIBF -] - SETZM EXBUFR(B) ; CLOBBER STAKED BUFFS - MOVEI C,BUFSTR-1(B) ; FIND D.W. - PUSHJ P,BYTDOP - SUBI A,2 - HRLI A,010700 - MOVEM A,BUFSTR(B) - HLLZS BUFSTR-1(B) - POPJ P, - -; SUBROUTINE TO ESTABLISH ECHO IOINS - -MFUNCTION ECHOPAIR,SUBR - - ENTRY 2 - - GETYP A,(AB) ;CHECK ARG TYPES - GETYP C,2(AB) - CAIN A,TCHAN ;IS A CHANNEL - CAIE C,TCHAN ;IS C ALSO - JRST WRONGT ;NO, ONE OF THEM LOSES - - MOVE A,1(AB) ;GET CHANNEL - PUSHJ P,TCHANC ; VERIFY TTY IN - MOVE D,3(AB) ;GET OTHER CHANNEL - MOVEI B,DIRECT-1(D) ;AND ITS DIRECTION - PUSHJ P,CHRWRD - JFCL - CAME B,[ASCII /PRINT/] - JRST WRONGD - - MOVE B,BUFRIN(A) ;GET A'S AUX BUFFER - HRLZ C,CHANNO(D) ; GET CHANNEL - LSH C,5 - IOR C,[.IOT A] ; BUILD AN IOT - MOVEM C,ECHO(B) ;CLOBBER -CHANRT: MOVE A,(AB) - MOVE B,1(AB) ;RETURN 1ST ARG - JRST FINIS - -TCHANC: MOVEI B,DIRECT-1(A) ;GET DIRECTION - PUSHJ P,CHRWRD ; CONVERT - JFCL - CAME B,[ASCII /READ/] - JRST WRONGD - LDB C,[600,,STATUS(A)] ;GET A CODE - CAILE C,2 ;MAKE SURE A TTY FLAVOR DEVICE - JRST WRONGC - POPJ P, -IFE ITS,[ -TTYOPEN: -TTYOP2: MOVEI A,-1 ; TENEX JFN FOR TERMINAL - MOVEI 2,145100 ; MAGIC BITS (SEE TENEX MANUAL) - SFMOD ; ZAP - RFMOD ; LETS FIND SCREEN SIZE - LDB A,[220700,,B] ; GET PAGE WIDTH - LDB B,[310700,,B] ; AND LENGTH - MOVE C,TTOCHN+1(TVP) - MOVEM A,LINLN(C) - MOVEM B,PAGLN(C) - MOVEI A,-1 ; NOW HACK CNTL CHAR STUFF - RFCOC ; GET CURRENT - AND B,[036377,,-1] ; CHANGE FOR ^@, ^A AND ^D (FOR NOW) - SFCOC ; AND RESUSE IT - - POPJ P, -] - -IFN ITS,[ -TTYOP2: .SUSET [.RTTY,,C] - SETZM NOTTY - JUMPL C,TTYNO ; DONT HAVE TTY - -TTYOPEN: - SKIPE NOTTY - POPJ P, - .OPEN TTYIN,[SIXBIT / TTY/] - JRST TTYNO - .OPEN TTYOUT,[21,,(SIXBIT /TTY/)] ;AND OUTPUT - FATAL CANT OPEN TTY - DOTCAL TTYGET,[[1000,,TTYOUT],[2000,,0],[2000,,A],[2000,,B]] - FATAL .CALL FAILURE - DOTCAL TTYSET,[[1000,,TTYOUT],MODE1,MODE2,B] - FATAL .CALL FAILURE - -SETCHN: MOVE B,TTICHN+1(TVP) ;GET CHANNEL - MOVEI C,TTYIN ;GET ITS CHAN # - MOVEM C,CHANNO(B) - .STATUS TTYIN,STATUS(B) ;CLOBBER STATUS - - MOVE B,TTOCHN+1(TVP) ;GET OUT CHAN - MOVEI C,TTYOUT - MOVEM C,CHANNO(B) - .STATUS TTYOUT,STATUS(B) - SETZM IMAGFL ;RESET IMAGE MODE FLAG - HLLZS IOINS-1(B) - DOTCAL RSSIZE,[[1000,,TTYOUT],[2000,,C],[2000,,D]] - FATAL .CALL RSSIZE LOSSAGE - MOVEM C,PAGLN(B) - MOVEM D,LINLN(B) - POPJ P, - -; HERE IF TTY WONT OPEN - -TTYNO: SETOM NOTTY - POPJ P, -] - -MTYI: SKIPE NOTTY ; SKIP IF HAVE TTY - FATAL TRIED TO USE NON-EXISTANT TTY -IFN ITS, .IOT TTYIN,A -IFE ITS, PBIN - POPJ P, - -MTYO: SKIPE NOTTY - POPJ P, ; IGNORE, DONT HAVE TTY - SKIPE IMAGFL ;SKIP RE-OPENING IF ALREADY IN ASCII - PUSHJ P,MTYO1 ;WAS IN IMAGE...RE-OPEN - CAIE A,177 ;DONT OUTPUT A DELETE -IFN ITS, .IOT TTYOUT,A -IFE ITS, PBOUT - POPJ P, - -MTYO1: MOVE B,TTOCHN+1(TVP) - PUSH P,0 - PUSHJ P,REASCI - POP P,0 - POPJ P, - -; HERE FOR TYO TO ANY TTY FLAVOR DEVICE - -GMTYO: PUSH P,0 - HRRZ 0,IOINS-1(B) ; GET FLAG - SKIPE 0 - PUSHJ P,REASCI ; RE-OPEN TTY - HRLZ 0,CHANNO(B) - ASH 0,5 - IOR 0,[.IOT A] - CAIE A,177 ; DONE OUTPUT A DELETE - XCT 0 - POP P,0 - POPJ P, - -REASCI: PUSH P,A - PUSH P,C - PUSHJ P,DEVTOC - HRLI C,21 ; ASCII GRAPHIC BIT - MOVE A,CHANNO(B) ; GET CHANNEL - ASH A,23. ; TO AC FIELD - IOR A,[.OPEN 0,C] - XCT A - FATAL TTY OPEN LOSSAGE - POP P,C - POP P,A - HLLZS IOINS-1(B) - CAMN B,TTOCHN+1(TVP) - SETZM IMAGFL - POPJ P, - - - -WRONGC: PUSH TP,$TATOM - PUSH TP,EQUOTE NOT-A-TTY-TYPE-CHANNEL - JRST CALER1 - - - -; HERE TO HANDLE TTY BLOCKING AND UNBLOCKING - -TTYBLK: PUSH TP,$TCHAN - PUSH TP,B - PUSH P,0 - PUSH P,E ; SAVE SOME ACS -IFN ITS,[ - MOVE A,CHANNO(B) ; GET CHANNEL NUMBER - SOSG CHNCNT(A) ; ANY PENDING CHARS - JRST TTYBL1 - SETZM CHNCNT(A) - MOVEI 0,1 - LSH 0,(A) - .SUSET [.SIFPI,,0] ; SLAM AN INT ON -] -TTYBL1: MOVE C,BUFRIN(B) - MOVE A,SYSCHR(C) ; GET FLAGS - TRZ A,N.IMED - TRZE A,N.IME1 ; IF WILL BE - TRO A,N.IMED ; THE MAKE IT - MOVEM A,SYSCHR(C) -IFN ITS,[ - MOVE A,[.CALL TTYIOT]; NON-BUSY WAIT - SKIPE NOTTY - MOVE A,[.SLEEP A,] -] -IFE ITS,[ - MOVE A,[PUSHJ P,TNXIN] -] - MOVEM A,WAITNS(B) - PUSH TP,$TCHSTR - PUSH TP,CHQUOTE BLOCKED - PUSH TP,$TPVP - PUSH TP,PVP - MCALL 2,INTERRUPT - MOVSI A,TCHAN - MOVEM A,BSTO(PVP) - MOVE B,(TP) - ENABLE -REBLK: MOVEI A,-1 ; IN CASE SLEEPING - XCT WAITNS(B) ; NOW WAIT - JFCL -IFE ITS, JRST .-3 -IFN ITS, JRST CHRSNR ; SNARF CHAR -REBLK1: DISABLE ; FALL THROUG=> UNBLOCKED - SETZM BSTO(PVP) - POP P,E - POP P,0 - MOVE B,(TP) - SUB TP,[2,,2] - POPJ P, - -CHRSNR: SKIPE NOTTY ; TTY? - JRST REBLK ; NO, JUST RESET AND BLOCK - .SUSET [.SIFPI,,[1_]] - JRST REBLK ; AND GO BACK - -TTYIOT: SETZ - SIXBIT /IOT/ - 1000,,TTYIN - 0 - 405000,,20000 - -; HERE TO UNBLOCK TTY - -TTYUNB: MOVE A,WAITNS(B) ; GET INS - CAMN A,[JRST REBLK1] - JRST TTYUN1 - MOVE A,[JRST REBLK1] ; LEAVE THE SLEEP - MOVEM A,WAITNS(B) - PUSH TP,$TCHAN - PUSH TP,B - PUSH TP,$TCHSTR - PUSH TP,CHQUOTE UNBLOCKED - PUSH TP,$TCHAN - PUSH TP,B - MCALL 2,INTERRUPT - MOVE B,(TP) ; RESTORE CHANNEL - SUB TP,[2,,2] -TTYUN1: POPJ P, - -IFE ITS,[ -; TENEX BASIC TTY I/O ROUTINE - -TNXIN: PUSHJ P,MTYI - PUSHJ P,INCHAR - POPJ P, -] -MFUNCTION TTYECHO,SUBR - - ENTRY 2 - - GETYP 0,(AB) - CAIE 0,TCHAN - JRST WTYP1 - MOVE A,1(AB) ; GET CHANNEL - PUSHJ P,TCHANC ; MAKE SURE IT IS TTY INPUT - MOVE E,BUFRIN(A) ; EXTRA INFO BUFFER -IFN ITS,[ - DOTCAL TTYGET,[CHANNO(A),[2000,,B],[2000,,C],[2000,,0]] - FATAL .CALL FAILURE -] -IFE ITS,[ - MOVEI A,100 ; TTY JFN - RFMOD ; MODE IN B - TRZ B,6000 ; TURN OFF ECHO -] - GETYP D,2(AB) ; ARG 2 - CAIE D,TFALSE ; SKIP IF WANT ECHO OFF - JRST ECHOON - -IFN ITS,[ - ANDCM B,[606060,,606060] - ANDCM C,[606060,,606060] - - DOTCAL TTYSET,[CHANNO(A),B,C,0] - FATAL .CALL FAILURE -] -IFE ITS,[ - SFMOD -] - - MOVEI B,N.ECHO+N.CNTL ; SET FLAGS - IORM B,SYSCHR(E) - - JRST CHANRT - -ECHOON: -IFN ITS,[ - IOR B,[202020,,202020] - IOR C,[202020,,202020] - DOTCAL TTYSET,[CHANNO(A),B,C,0] - FATAL .CALL FAILURE -] -IFE ITS,[ - TRO B,4000 - SFMOD -] - MOVEI A,N.ECHO+N.CNTL - ANDCAM A,SYSCHR(E) - JRST CHANRT - - - -; USER SUBR FOR INSTANT CHARACTER SNARFING - -MFUNCTION UTYI,SUBR,TYI - - ENTRY - CAMGE AB,[-3,,] - JRST TMA - MOVE A,(AB) - MOVE B,1(AB) - JUMPL AB,.+3 - MOVE B,IMQUOTE INCHAN - PUSHJ P,IDVAL ; USE INCHAN - GETYP 0,A ; GET TYPE - CAIE 0,TCHAN - JRST WTYP1 - LDB 0,[600,,STATUS(B)] - CAILE 0,2 - JRST WTYP1 - SKIPN A,LSTCH(B) ; ANY READ AHEAD CHAR - JRST UTYI1 ; NO, SKIP - SETZM LSTCH(B) - TLZN A,400000 ; ! HACK? - JRST UTYI2 ; NO, OK - MOVEM A,LSTCH(B) ; YES SAVE - MOVEI A,"! ; RET AN ! - JRST UTYI2 - -UTYI1: MOVE 0,IOINS(B) - CAME 0,[PUSHJ P,GETCHR] - JRST WTYP1 - PUSH TP,$TCHAN - PUSH TP,B - MOVE C,BUFRIN(B) - MOVEI D,N.IME1+N.IMED - IORM D,SYSCHR(C) ; CLOBBER IT IN - DOTCAL TTYGET,[CHANNO(B),[2000,,A],[2000,,D],[2000,,0]] - FATAL .CALL FAILURE - PUSH P,A - PUSH P,0 - PUSH P,D ; SAVE THEM - IOR D,[030303,,030303] - IOR A,[030303,,030303] - DOTCAL TTYSET,[CHANNO(B),A,D,0] - FATAL .CALL FAILURE - MOVNI A,1 - SKIPE CHRCNT(C) ; ALREADY SOME? - PUSHJ P,INCHAR - MOVE C,BUFRIN(B) ; GET BUFFER BACK - MOVEI D,N.IME1 - IORM D,SYSCHR(C) - PUSHJ P,GETCHR - MOVE B,1(TB) - MOVE C,BUFRIN(B) - MOVEI D,N.IME1+N.IMED - ANDCAM D,SYSCHR(C) - POP P,D - POP P,0 - POP P,C - DOTCAL TTYSET,[CHANNO(B),C,D,0] - FATAL .CALL FAILURE -UTYI2: MOVEI B,(A) - MOVSI A,TCHRS - JRST FINIS - -MFUNCTION IMAGE,SUBR - ENTRY - JUMPGE AB,TFA ; 1 OR 2 ARGS NEEDED - GETYP A,(AB) ;GET THE TYPE OF THE ARG - CAIE A,TFIX ;CHECK IT FOR CORRECT TYPE - JRST WTYP1 ;WAS WRONG...ERROR EXIT - HLRZ 0,AB - CAIL 0,-2 - JRST USEOTC - CAIE 0,-4 - JRST TMA - GETYP 0,2(AB) - CAIE 0,TCHAN - JRST WTYP2 - MOVE B,3(AB) ; GET CHANNEL -IMAGE1: LDB 0,[600,,STATUS(B)] - CAILE 0,2 ; MUST BE TTY - JRST IMAGFO - MOVE 0,IOINS(B) - CAMN 0,[PUSHJ P,MTYO] - JRST .+3 - CAME 0,[PUSHJ P,GMTYO] - JRST WRONGD - HRRZ 0,IOINS-1(B) - JUMPE 0,OPNIMG -IMGIOT: MOVE A,1(AB) ;GET VALUE - HRLZ 0,CHANNO(B) - ASH 0,5 - IOR 0,[.IOT A] - XCT 0 -IMGEXT: MOVE A,(AB) ;RETURN THE ORIGINAL ARG - MOVE B,1(AB) - JRST FINIS ;EXIT - - -IMAGFO: PUSH TP,$TCHAN ;IMAGE OUTPUT FOR NON TTY - PUSH TP,B - MOVEI B,DIRECT-1(B) - PUSHJ P,CHRWRD - JFCL - CAME B,[ASCII /PRINT/] - CAMN B,[+1] - JRST .+2 - JRST BADCHN ; CHANNEL COULDNT BE BLESSED - MOVE B,(TP) - PUSHJ P,GWB ; MAKE SURE CHANNEL HAS BUFFER - MOVE A,1(AB) ; GET THE CHARACTER TO DO - PUSHJ P,W1CHAR - MOVE A,(AB) - MOVE B,1(AB) ;RETURN THE FIX - JRST FINIS - - -USEOTC: MOVSI A,TATOM - MOVE B,IMQUOTE OUTCHAN - PUSHJ P,IDVAL - GETYP 0,A - CAIE 0,TCHAN - MOVE B,TTICHN+1(TVP) - JRST IMAGE1 - -OPNIMG: HLLOS IOINS-1(B) - CAMN B,TTOCHN+1(TVP) - SETOM IMAGFL - PUSHJ P,DEVTOC - HRLI C,41 ; SUPER IMAGE BIT - MOVE A,CHANNO(B) - ASH A,23. - IOR A,[.OPEN 0,C] - XCT A - FATAL TTY OPEN LOSSAGE - JRST IMGIOT - -DEVTOC: PUSH P,D - PUSH P,E - PUSH P,0 - PUSH P,A - MOVE D,RDEVIC(B) - MOVE E,[220600,,C] - MOVEI A,3 - MOVEI C,0 - ILDB 0,D - SUBI 0,40 - IDPB 0,E - SOJG A,.-3 - POP P,A - POP P,0 - POP P,E - POP P,D - POPJ P, - -IMGBLK: OUT+IMAGEM+UNIT,,(SIXBIT /TTY/) - 0 - 0 - - - -IMPURE -IMAGFL: 0 -PURE - - -END - -TITLE READER FOR MUDDLE - -;C. REEVE DEC. 1970 - -RELOCA - -READER==1 ;TELL MUDDLE > TO USE SOME SPECIAL HACKS -FRMSIN==1 ;FLAG SAYING WHETHER OR "." AND "'" HACKS EXIST - -.INSRT MUDDLE > - -.GLOBAL CONS,VECTOR,NXTCHR,RLOOKU,CRADIX,SPTIME,QUOTE,TENTAB,CHMAK,FLUSCH,ITENTB -.GLOBAL SETDEV,OPNCHN,ILVAL,RADX,IDVAL,LSTCH,EVECTOR,EUVECTOR,CHUNW -.GLOBAL CHRWRD,EOFCND,DIRECT,ACCESS,IOINS,ROOT,DIRECT,DOIOTI,DOACCS,IGVAL,BYTDOP -.GLOBAL ICONS,INCONS,IEVECT,IEUVEC,BUFSTR,TYPFND,SQUTOA,IBLOCK,GRB -.GLOBAL BADCHN,WRONGD,CHNCLS,FNFFL,IPUT,IGET,ILOC,RXCT,WXCT,IUNWIN,UNWIN2 -.GLOBAL CNXTCH,CREADC,MPOPJ,CREDC1,CNXTC1,IREMAS - -BUFLNT==100 - -FF=0 ;FALG REGISTER DURING NUMBER CONVERSION - -;FLAGS USED (RIGHT HALF) - -NOTNUM==1 ;NOT A NUMBER -NFIRST==2 ;NOT FIRST CHARACTER BEING READ -DECFRC==4 ;FORCE DECIMAL CONVERSION -NEGF==10 ;NEGATE THIS THING -NUMWIN==20 ;DIGIT(S) SEEN -INSTRN==40 ;IN QUOTED CHARACTER STRING -FLONUM==100 ;NUMBER IS FLOOATING POINT -DOTSEN==200 ;. SEEN IN IMPUT STREAM -EFLG==400 ;E SEEN FOR EXPONENT -IFN FRMSIN,[ - FRSDOT==1000 ;. CAME FIRST - USEAGN==2000 ;SPECIAL DOT HACK -] -OCTWIN==4000 -OCTSTR==10000 - -;TEMPORARY OFFSETS - -VCNT==0 ;NUMBER OF ELEMENTS IN CURRENT VECTOR -ONUM==1 ;CURRENT NUMBER IN OCTAL -DNUM==3 ;CURRENT NUMBER IN DECIMAL -FNUM==5 ;CURRENTLY UNUSED -CNUM==7 ;IN CURRENT RADIX -NDIGS==11 ;NUMBER OF DIGITS -ENUM==13 ;EXPONENT - - - ; TEXT FILE LOADING PROGRAM - -MFUNCTION MLOAD,SUBR,[LOAD] - - ENTRY - - HLRZ A,AB ;GET NO. OF ARGS - CAIE A,-4 ;IS IT 2 - JRST TRY2 ;NO, TRY ANOTHER - GETYP A,2(AB) ;GET TYPE - CAIE A,TOBLS ;IS IT OBLIST - CAIN A,TLIST ; OR LIST THEREOF? - JRST CHECK1 - JRST WTYP2 - -TRY2: CAIE A,-2 ;IS ONE SUPPLIED - JRST WNA - -CHECK1: GETYP A,(AB) ;GET TYPE - CAIE A,TCHAN ;IS IT A CHANNEL - JRST WTYP1 - -LOAD1: HLRZ A,TB ;GET CURRENT TIME - PUSH TP,$TTIME ;AND SAVE IT - PUSH TP,A - - MOVEI C,CLSNGO ; LOCATION OF FUNNY CLOSER - PUSHJ P,IUNWIN ; SET UP AS UNWINDER - -LOAD2: PUSH TP,(AB) ;USE SUPPLIED CHANNEL - PUSH TP,1(AB) - PUSH TP,(TB) ;USE TIME AS EOF ARG - PUSH TP,1(TB) - CAML AB,[-2,,0] ;CHECK FOR 2ND ARG - JRST LOAD3 ;NONE - PUSH TP,2(AB) ;PUSH ON 2ND ARG - PUSH TP,3(AB) - MCALL 3,READ - JRST CHKRET ;CHECK FOR EOF RET - -LOAD3: MCALL 2,READ -CHKRET: CAMN A,(TB) ;IS TYPE EOF HACK - CAME B,1(TB) ;AND IS VALUE - JRST EVALIT ;NO, GO EVAL RESULT - PUSH TP,(AB) - PUSH TP,1(AB) - MCALL 1,FCLOSE - MOVE A,$TCHSTR - MOVE B,CHQUOTE DONE - JRST FINIS - -CLSNGO: PUSH TP,$TCHAN - PUSH TP,1(AB) - MCALL 1,FCLOSE - JRST UNWIN2 ; CONTINUE UNWINDING - -EVALIT: PUSH TP,A - PUSH TP,B - MCALL 1,EVAL - JRST LOAD2 - - - -; OTHER FILE LOADING PROGRAM - - - -MFUNCTION FLOAD,SUBR - - ENTRY - - MOVEI C,1 ;INITIALIZE OPEN'S ARG COUNT - PUSH TP,$TAB ;SLOT FOR SAVED AB - PUSH TP,[0] ;EMPTY FOR NOW - PUSH TP,$TCHSTR ;PUT IN FIRST ARG - PUSH TP,CHQUOTE READ - MOVE A,AB ;COPY OF ARGUMENT POINTER - -FARGS: JUMPGE A,CALOPN ;DONE? IF SO CALL OPEN - GETYP B,(A) ;NO, CHECK TYPE OF THIS ARG - CAIE B,TOBLS ;OBLIST? - CAIN B,TLIST ; OR LIST THEREOF - JRST OBLSV ;YES, GO SAVE IT - - PUSH TP,(A) ;SAVE THESE ARGS - PUSH TP,1(A) - ADD A,[2,,2] ;BUMP A - AOJA C,FARGS ;COUNT AND GO - -OBLSV: MOVEM A,1(TB) ;SAVE THE AB - -CALOPN: ACALL C,FOPEN ;OPEN THE FILE - - JUMPGE B,FNFFL ;FILE MUST NO EXIST - EXCH A,(TB) ;PLACE CHANNEL ON STACK - EXCH B,1(TB) ;OBTAINING POSSIBLE OBLIST - JUMPN B,2ARGS ;OBLIST SUOPPLIED? - - MCALL 1,MLOAD ;NO, JUST CALL - JRST FINIS - - -2ARGS: PUSH TP,(B) ;PUSH THE OBLIST - PUSH TP,1(B) - MCALL 2,MLOAD - JRST FINIS - - -FNFFL: PUSH TP,$TATOM - PUSH TP,EQUOTE FILE-SYSTEM-ERROR - JUMPE B,CALER1 - PUSH TP,A - PUSH TP,B - MOVEI A,2 - JRST CALER - - MFUNCTION READ,SUBR - - ENTRY - - PUSH P,[IREAD1] ;WHERE TO GO AFTER BINDING -READ0: PUSH TP,$TTP ;SLOT FOR LAST THING READ (TYPE IS UNREADABLE) - PUSH TP,[0] - PUSH TP,$TFIX ;SLOT FOR RADIX - PUSH TP,[0] - PUSH TP,$TCHAN ;AND SLOT FOR CHANNEL - PUSH TP,[0] - PUSH TP,[0] ; USER DISP SLOT - PUSH TP,[0] - PUSH TP,$TSPLICE - PUSH TP,[0] ;SEGMENT FOR SPLICING MACROS - JUMPGE AB,READ1 ;NO ARGS, NO BINDING - GETYP C,(AB) ;ISOLATE TYPE - CAIN C,TUNBOU - JRST WTYP1 - PUSH TP,[TATOM,,-1] ;PUSH THE ATOMS - PUSH TP,IMQUOTE INCHAN - PUSH TP,(AB) ;PUSH ARGS - PUSH TP,1(AB) - PUSH TP,[0] ;DUMMY - PUSH TP,[0] - MOVE B,1(AB) ;GET CHANNEL POINTER - ADD AB,[2,,2] ;AND ARG POINTER - JUMPGE AB,BINDEM ;MORE? - PUSH TP,[TVEC,,-1] - ADD B,[EOFCND-1,,EOFCND-1] - PUSH TP,B - PUSH TP,(AB) - PUSH TP,1(AB) - ADD AB,[2,,2] - JUMPGE AB,BINDEM ;IF ANY MORE ARGS GO PROCESS AND BIND THEM - GETYP C,(AB) ;ISOLATE TYPE - CAIE C,TLIST - CAIN C,TOBLS - SKIPA - JRST WTYP3 - PUSH TP,[TATOM,,-1] ;PUSH THE ATOMS - PUSH TP,IMQUOTE OBLIST - PUSH TP,(AB) ;PUSH ARGS - PUSH TP,1(AB) - PUSH TP,[0] ;DUMMY - PUSH TP,[0] - ADD AB,[2,,2] ;AND ARG POINTER - JUMPGE AB,BINDEM ; ALL DONE, BIND ATOMS - GETYP 0,(AB) ; GET TYPE OF TABLE - CAIE 0,TVEC ; SKIP IF BAD TYPE - JRST WTYP ; ELSE COMPLAIN - PUSH TP,[TATOM,,-1] - PUSH TP,IMQUOTE READ-TABLE - PUSH TP,(AB) - PUSH TP,1(AB) - PUSH TP,[0] - PUSH TP,[0] - ADD AB,[2,,2] ; BUMP TO NEXT ARG - JUMPL AB,TMA ;MORE ?, ERROR -BINDEM: PUSHJ P,SPECBIND - JRST READ1 - -MFUNCTION RREADC,SUBR,READCHR - - ENTRY - PUSH P,[IREADC] - JRST READC0 ;GO BIND VARIABLES - -MFUNCTION NXTRDC,SUBR,NEXTCHR - - ENTRY - - PUSH P,[INXTRD] -READC0: CAMGE AB,[-5,,] - JRST TMA - PUSH TP,(AB) - PUSH TP,1(AB) - JUMPL AB,READC1 - MOVE B,IMQUOTE INCHAN - PUSHJ P,IDVAL - GETYP A,A - CAIE A,TCHAN - JRST BADCHN - MOVEM A,-1(TP) - MOVEM B,(TP) -READC1: PUSHJ P,@(P) - JRST .+2 - JRST FINIS - - PUSH TP,-1(TP) - PUSH TP,-1(TP) - MCALL 1,FCLOSE - MOVE A,EOFCND-1(B) - MOVE B,EOFCND(B) - CAML AB,[-3,,] - JRST .+3 - MOVE A,2(AB) - MOVE B,3(AB) - PUSH TP,A - PUSH TP,B - MCALL 1,EVAL - JRST FINIS - - -MFUNCTION PARSE,SUBR - - ENTRY - - PUSHJ P,GAPRS ;GET ARGS FOR PARSES - PUSHJ P,GPT ;GET THE PARSE TABLE - PUSHJ P,NXTCH ; GET A CHAR TO TEST FOR ! ALT - SKIPN 11.(TB) ; EOF HIT, COMPLAIN TO LOOSER - JRST NOPRS - MOVEI A,33 ; CHANGE IT TO AN ALT, SNEAKY HUH? - CAIN B,MANYT ; TYPE OF MULTIPLE CLOSE, I.E. ! ALT - MOVEM A,5(TB) - PUSHJ P,IREAD1 ;GO DO THE READING - JRST .+2 - JRST LPSRET ;PROPER EXIT -NOPRS: PUSH TP,$TATOM - PUSH TP,EQUOTE CAN'T-PARSE - JRST CALER1 - -MFUNCTION LPARSE,SUBR - - ENTRY - - PUSHJ P,GAPRS ;GET THE ARGS TO THE PARSE - JRST LPRS1 - -GAPRS: PUSH TP,$TTP - PUSH TP,[0] - PUSH TP,$TFIX - PUSH TP,[10.] - PUSH TP,$TFIX - PUSH TP,[0] ; LETTER SAVE - PUSH TP,[0] - PUSH TP,[0] ; PARSE TABLE MAYBE? - PUSH TP,$TSPLICE - PUSH TP,[0] ;SEGMENT FOR SPLICING MACROS - PUSH TP,[0] ;SLOT FOR LOCATIVE TO STRING - PUSH TP,[0] - JUMPGE AB,USPSTR - PUSH TP,[TATOM,,-1] - PUSH TP,IMQUOTE PARSE-STRING - PUSH TP,(AB) - PUSH TP,1(AB) ; BIND OLD PARSE-STRING - PUSH TP,[0] - PUSH TP,[0] - PUSHJ P,SPECBIND - ADD AB,[2,,2] - JUMPGE AB,USPSTR - GETYP 0,(AB) - CAIE 0,TFIX - JRST WTYP2 - MOVE 0,1(AB) - MOVEM 0,3(TB) - ADD AB,[2,,2] - JUMPGE AB,USPSTR - GETYP 0,(AB) - CAIE 0,TLIST - CAIN 0,TOBLS - SKIPA - JRST WTYP3 - PUSH TP,[TATOM,,-1] - PUSH TP,IMQUOTE OBLIST - PUSH TP,(AB) - PUSH TP,1(AB) ; HE WANTS HIS OWN OBLIST - PUSH TP,[0] - PUSH TP,[0] - PUSHJ P,SPECBIND - ADD AB,[2,,2] - JUMPGE AB,USPSTR - GETYP 0,(AB) - CAIE 0,TVEC - JRST WTYP - PUSH TP,[TATOM,,-1] - PUSH TP,IMQUOTE PARSE-TABLE - PUSH TP,(AB) - PUSH TP,1(AB) - PUSH TP,[0] - PUSH TP,[0] - PUSHJ P,SPECBIND - ADD AB,[2,,2] - JUMPGE AB,USPSTR - GETYP 0,(AB) - CAIE 0,TCHRS - JRST WTYP - MOVE 0,1(AB) - MOVEM 0,5(TB) ; STUFF IN A LOOK-AHEAD CHARACTER IF HE WANTS - ADD AB,[2,,2] - JUMPL AB,TMA -USPSTR: MOVE B,IMQUOTE PARSE-STRING - PUSHJ P,ILOC ; GET A LOCATIVE TO THE STRING, WHEREVER - GETYP 0,A - CAIN 0,TUNBOUND ; NONEXISTANT - JRST BDPSTR - GETYP 0,(B) ; IT IS POINTING TO A STRING - CAIE 0,TCHSTR - JRST BDPSTR - MOVEM A,10.(TB) - MOVEM B,11.(TB) - POPJ P, - -LPRS1: PUSHJ P,GPT ; GET THE VALUE OF PARSE-TABLE IN SLOT - PUSH TP,$TLIST - PUSH TP,[0] ; HERE WE ARE MAKE PLACE TO SAVE GOODIES - PUSH TP,$TLIST - PUSH TP,[0] -LPRS2: PUSHJ P,IREAD1 - JRST LPRSDN ; IF WE ARE DONE, WE ARE THROUGH - MOVE C,A - MOVE D,B - PUSHJ P,INCONS - SKIPN -2(TP) - MOVEM B,-2(TP) ; SAVE THE BEGINNING ON FIRST - SKIPE C,(TP) - HRRM B,(C) ; PUTREST INTO IT - MOVEM B,(TP) - JRST LPRS2 -LPRSDN: MOVSI A,TLIST - MOVE B,-2(TP) -LPSRET: SKIPLE C,5(TB) ; EXIT FOR PARSE AND LPARSE - CAIN C,400033 ; SEE IF NO PEEK AHEAD OR IF ! ALTMODE - JRST FINIS ; IF SO NO NEED TO BACK STRING ONE - SKIPN C,11.(TB) - JRST FINIS ; IF ATE WHOLE STRING, DONT GIVE BACK ANY -BUPRS: MOVEI D,1 - ADDM D,(C) ; AOS THE COUNT OF STRING LENGTH - SKIPG D,1(C) ; SEXIER THAN CLR'S CODE FOR DECREMENTING - SUB D,[430000,,1] ; A BYTE POINTER - ADD D,[70000,,0] - MOVEM D,1(C) - HRRZ E,2(TB) - JUMPE E,FINIS ; SEE IF WE NEED TO BACK UP TWO - HLLZS 2(TB) ; CLEAR OUT DOUBLE CHR LOOKY FLAG - JRST BUPRS ; AND BACK UP PARSE STRING A LITTLE MORE - - ; ARGUMENTS ARE BOUND, NOW GET THE VALUES OF THINGS - - -GRT: MOVE B,IMQUOTE READ-TABLE - SKIPA ; HERE TO GET TABLE FOR READ -GPT: MOVE B,IMQUOTE PARSE-TABLE - MOVSI A,TATOM ; TO FILL SLOT WITH PARSE TABLE - PUSHJ P,ILVAL - GETYP 0,A - CAIN 0,TUNBOUND - POPJ P, - CAIE 0,TVEC - JRST BADPTB - MOVEM A,6(TB) - MOVEM B,7(TB) - POPJ P, - -READ1: PUSHJ P,GRT - MOVE B,IMQUOTE INCHAN - MOVSI A,TATOM - PUSHJ P,IDVAL ;NOW GOBBLE THE REAL CHANNEL - TLZ A,TYPMSK#777777 - HLLZS A ; INCASE OF FUNNY BUG - CAME A,$TCHAN ;IS IT A CHANNEL - JRST BADCHN - MOVEM A,4(TB) ; STORE CHANNEL - MOVEM B,5(TB) - HRRZ A,-4(B) - TRC A,C.OPN+C.READ - TRNE A,C.OPN+C.READ - JRST WRONGD - HLLOS 4(TB) - TRNE A,C.BIN ; SKIP IF NOT BIN - JRST BREAD ; CHECK FOR BUFFER - HLLZS 4(TB) -GETIOA: MOVE B,5(TB) -GETIO: MOVE A,IOINS(B) ;GOBBLE THE I/O INSTRUCTION - JUMPE A,OPNFIL ;GO REALLY OPEN THE CROCK - MOVE A,RADX(B) ;GET RADIX - MOVEM A,3(TB) - MOVEM B,5(TB) ;SAVE CHANNEL -REREAD: MOVE D,LSTCH(B) ;ANY CHARS AROUND? - MOVEI 0,33 - CAIN D,400033 ;FLUSH THE TERMINATOR HACK - MOVEM 0,LSTCH(B) ; MAKE ! ALT INTO JUST ALT IF IT IS STILL AROUND - - PUSHJ P,@(P) ;CALL INTERNAL READER - JRST BADTRM ;LOST -RFINIS: SUB P,[1,,1] ;POP OFF LOSER - PUSH TP,A - PUSH TP,B - JUMPE C,FLSCOM ; FLUSH TOP LEVEL COMMENT - PUSH TP,C - PUSH TP,D - MOVE A,4(TB) - MOVE B,5(TB) ; GET CHANNEL - MOVSI C,TATOM - MOVE D,MQUOTE COMMENT - PUSHJ P,IPUT -RFINI1: POP TP,B - POP TP,A - JRST FINIS - -FLSCOM: MOVE A,4(TB) - MOVE B,5(TB) - MOVSI C,TATOM - MOVE D,MQUOTE COMMENT - PUSHJ P,IREMAS - JRST RFINI1 - -BADTRM: MOVE C,5(TB) ; GET CHANNEL - JUMPGE B,CHLSTC ;NO, MUST BE UNMATCHED PARENS - SETZM LSTCH(C) ; DONT REUSE EOF CHR - PUSH TP,4(TB) ;CLOSE THE CHANNEL - PUSH TP,5(TB) - MCALL 1,FCLOSE - PUSH TP,EOFCND-1(B) - PUSH TP,EOFCND(B) - MCALL 1,EVAL ;AND EVAL IT - SETZB C,D - GETYP 0,A ; CHECK FOR FUNNY ACT - CAIE 0,TREADA - JRST RFINIS ; AND RETURN - - PUSHJ P,CHUNW ; UNWIND TO POINT - MOVSI A,TREADA ; SEND MESSAGE BACK - JRST CONTIN - -;HERE TO ATTEMPT TO OPEN A CLOSED CHANNEL - -OPNFIL: PUSHJ P,OPNCHN ;GO DO THE OPEN - JUMPGE B,FNFFL ;LOSE IC B IS 0 - JRST GETIO - - -CHLSTC: MOVE B,5(TB) ;GET CHANNEL BACK - JRST REREAD - - -BREAD: MOVE B,5(TB) ; GET CHANNEL - SKIPE BUFSTR(B) - JRST GETIO - MOVEI A,BUFLNT ; GET A BUFFER - PUSHJ P,IBLOCK - MOVEI C,BUFLNT(B) ; POINT TO END - HRLI C,440700 - MOVE B,5(TB) ; CHANNEL BACK - MOVEI 0,C.BUF - IORM 0,-4(B) - MOVEM C,BUFSTR(B) - MOVSI C,TCHSTR+.VECT. - MOVEM C,BUFSTR-1(B) - JRST GETIO - ;MAIN ENTRY TO READER - -NIREAD: PUSHJ P,LSTCHR -NIREA1: PUSH P,[-1] ; DONT GOBBLE COMMENTS - JRST IREAD2 - -IREAD: - PUSHJ P,LSTCHR ;DON'T REREAD LAST CHARACTER -IREAD1: PUSH P,[0] ; FLAG SAYING SNARF COMMENTS -IREAD2: INTGO -BDLP: SKIPE C,9.(TB) ;HAVE WE GOT A SPLICING MACRO LEFT - JRST SPLMAC ;IF SO GIVE HIM SOME OF IT - PUSHJ P,NXTCH ;GOBBLE CHAR IN A AND TYPE IN D - MOVMS B ; FOR SPECIAL NEG HACK OF MACRO TABLES - CAIG B,ENTYPE - JUMPN B,@DTBL-1(B) ;ERROR ON ZERO TYPE OR FUNNY TYPE - JRST BADCHR - - -SPLMAC: HRRZ D,(C) ;GET THE REST OF THE SEGMENT - MOVEM D,9.(TB) ;AND PUT BACK IN PLACE - GETYP D,(C) ;SEE IF DEFERMENT NEEDED - CAIN D,TDEFER - MOVE C,1(C) ;IF SO, DO DEFEREMENT - MOVE A,(C) - MOVE B,1(C) ;GET THE GOODIE - AOS -1(P) ;ALWAYS A SKIP RETURN - POP P,(P) ;DONT WORRY ABOUT COMMENT SEARCHAGE - SETZB C,D ;MAKE SURE HE DOESNT THINK WE GOT COMMENT - POPJ P, ;GIVE HIM WHAT HE DESERVES - -DTBL: NUMLET ;HERE IF NUMBER OR LETTER - NUMLET ;NUMBER -NUMCOD==.-DTBL - NUMLET ;+- -PLUMIN==.-DTBL - NUMLET ;. -DOTTYP==.-DTBL - NUMLET ;E -NONSPC==.-DTBL ;NUMBER OF NON-SPECIAL CHARACTERS - SPACE ;SPACING CHAR CR,LF,SP,TAB ETC. -SPATYP==.-DTBL ;TYPE FOR SPACE CHARS - - -;THE FOLLOWING ENTRIES ARE VARIOUS PUNCTUATION CROCKS - - LPAREN ;( - BEGIN LIST - RPAREN ;) - END CURRENT LEVEL OF INPUT - LBRACK ;[ -BEGIN ARRAY -LBRTYP==.-DTBL - RBRACK ;] - END OF ARRAY - QUOTIT ;' - QUOTE THE FOLLOWING GOODIE -QUOTYP==.-DTBL - - MACCAL ;% - INVOKE A READ TIME MACRO -MACTYP==.-DTBL - CSTRING ;" - CHARACTER STRING -CSTYP==.-DTBL - NUMLET ;\ - ESCAPE,BEGIN ATOM - -ESCTYP==.-DTBL ;TYPE OF ESCAPE CHARACTER - - SPECTY ;# - SPECIAL TYPE TO BE READ -SPCTYP==.-DTBL - OPNANG ;< - BEGIN ELEMENT CALL - -SLMNT==.-DTBL ;TYPE OF START OF SEGMENT - - CLSANG ;> - END ELEMENT CALL - - - EOFCHR ;^C - END OF FILE - - COMNT ;; - BEGIN COMMENT -COMTYP==.-DTBL ;TYPE OF START OF COMMENT - - GLOVAL ;, - GET GLOBAL VALUE -GLMNT==.-DTBL - ILLSQG ;{ - START TEMPLATE STRUCTURE -TMPTYP==.-DTBL - CLSBRA ;} - END TEMPLATE STRUCTURE - -NTYPES==.-DTBL - - - -; EXTENDED TABLE FOR ! HACKS - - NUMLET ; !! FAKE OUT - SEGDOT ;!. - CALL TO LVAL (SEG) -DOTEXT==.-DTBL - UVECIN ;![ - INPUT UNIFORM VECTOR ] -LBREXT==.-DTBL - QUOSEG ;!' - SEG CALL TO QUOTE -QUOEXT==.-DTBL - SINCHR ;!" - INPUT ONE CHARACTER -CSEXT==.-DTBL - SEGIN ;!< - SEG CALL -SLMEXT==.-DTBL - GLOSEG ;!, - SEG CALL TO GVAL -GLMEXT==.-DTBL - LOSPATH ;!- - PATH NAME SEPARATOR -PATHTY==.-DTBL - TERM ;!$ - (EXCAL-ALT MODE) PUT ALL CLOSES -MANYT==.-DTBL - USRDS1 ; DISPATCH FOR USER TABLE (NO !) -USTYP1==.-DTBL - USRDS2 ; " " " " (WITH !) -USTYP2==.-DTBL -ENTYPE==.-DTBL - - - -SPACE: PUSHJ P,LSTCHR ;DONT REREAD SPACER - JRST BDLP - -USRDS1: SKIPA B,A ; GET CHAR IN B -USRDS2: MOVEI B,200(A) ; ! CHAR, DISP 200 FURTHER - ASH B,1 - ADD B,7(TB) ; POINT TO TABLE ENTRY - GETYP 0,(B) - CAIN 0,TLIST - MOVE B,1(B) ; IF LIST, USE FIRST ITEM-SPECIAL NO BREAK HACK - SKIPL C,5(TB) ; GET CHANNEL POINTER (IF ANY) - JRST USRDS3 - ADD C,[EOFCND-1,,EOFCND-1] - PUSH TP,$TBVL - HRRM SP,(TP) ; BUILD A TBVL - MOVE SP,TP - PUSH TP,C - PUSH TP,(C) - PUSH TP,1(C) - MOVEI D,PVLNT*2+1(PVP) - HRLI D,TREADA - MOVEM D,(C) - MOVEI D,(TB) - HLL D,OTBSAV(TB) - MOVEM D,1(C) -USRDS3: PUSH TP,(B) ; APPLIER - PUSH TP,1(B) - PUSH TP,$TCHRS ; APPLY TO CHARACTER - PUSH TP,A - PUSHJ P,LSTCHR ; FLUSH CHAR - MCALL 2,APPLY ; GO TO USER GOODIE - HRRZ SP,(SP) ; UNBIND MANUALLY - MOVEI D,(TP) - SUBI D,(SP) - MOVSI D,(D) - HLL SP,TP - SUB SP,D - SUB TP,[4,,4] ; FLUSH TP CRAP - GETYP 0,A ; CHECK FOR DISMISS? - CAIN 0,TSPLICE - JRST GOTSPL ; RETURN OF SEGMENT INDICATES SPLICAGE - CAIN 0,TREADA ; FUNNY? - JRST DOEOF - CAIE 0,TDISMI - JRST RET ; NO, RETURN FROM IREAD - JRST BDLP ; YES, IGNORE RETURN - -GOTSPL: MOVEM B,9.(TB) ; STICK IN THE SPLICAGE SLOT SO IREADS WILL GET HIM - JRST BDLP ; GO BACK AND READ FROM OUR SPLICE, OK? - - -;HERE ON NUMBER OR LETTER, START ATOM - -NUMLET: PUSHJ P,GOBBLE ;READ IN THE ATOM AND PUT PNTR ON ARG PDL - JRST RET ;NO SKIP RETURN I.E. NON NIL - -;HERE TO START BUILDING A CHARACTER STRING GOODIE - -CSTRING: PUSHJ P,GOBBL1 ;READ IN STRING - JRST RET - -;ARRIVE HERE TO INVOKE A READ TIME MACRO FUNCTION - -MACCAL: PUSHJ P,NXTCH1 ;READ ONE MORE CHARACTER - CAIE B,MACTYP ;IS IT ANOTHER MACRO CHAR - - JRST MACAL2 ;NO, CALL MACRO AND USE VALUE - PUSHJ P,LSTCHR ;DONT REREAD % - PUSHJ P,MACAL1 ;OTHERWISE, USE SIDE EFFECCT, BUT NOT VALUE - JRST IREAD2 - -MACAL2: PUSH P,CRET -MACAL1: PUSHJ P,IREAD1 ;READ FUNCTION NAME - JRST RETERR - PUSH TP,C - PUSH TP,D ; SAVE COMMENT IF ANY - PUSH TP,A ;SAVE THE RESULT - PUSH TP,B ;AND USE IT AS AN ARGUMENT - MCALL 1,EVAL - POP TP,D - POP TP,C ; RESTORE COMMENT IF ANY... -CRET: POPJ P,RET12 - -;CALL GOBBLE TO FIND THE TYPE AND THEN IREAD TO READ IT - -SPECTY: PUSHJ P,NIREAD ; READ THE TYPES NAME (SHOULD BE AN ATOM) - JRST RETERR - PUSH TP,A - PUSH TP,B - PUSHJ P,NXTCH ; GET NEXT CHAR - CAIN B,TMPTYP ; SKIP IF NOT TEMPLATE START - JRST RDTMPL - SETZB A,B - EXCH A,-1(TP) - EXCH B,(TP) - PUSH TP,A ;BEGIN SETTING UP CHTYPE CALL - PUSH TP,B - PUSHJ P,IREAD1 ;NOW READ STRUCTURE - JRST RETER1 - MOVEM C,-3(TP) ; SAVE COMMENT - MOVEM D,-2(TP) - EXCH A,-1(TP) ;USE AS FIRST ARG - EXCH B,(TP) - PUSH TP,A ;USE OTHER AS 2D ARG - PUSH TP,B - MCALL 2,CHTYPE ;ATTEMPT TO MUNG -RET13: POP TP,D - POP TP,C ; RESTORE COMMENT -RET12: SETOM (P) ; DONT LOOOK FOR MORE! - JRST RET - -RDTMPL: PUSH P,["}] ; SET UP TERMINATE TEST - MOVE B,(TP) - PUSHJ P,IGVAL - MOVEM A,-1(TP) - MOVEM B,(TP) - PUSH P,[BLDTMP] ; FLAG FOR VECTOR READING CODE - JRST LBRAK2 - -BLDTMP: ADDI A,1 ; 1 MORE ARGUMENT - ACALL A,APPLY ; DO IT TO IT - POPJ P, - -RETER1: SUB TP,[2,,2] -RETERR: SKIPL A,5(TB) - MOVEI A,5(TB)-LSTCH ;NO CHANNEL, USE SLOT - MOVEM B,LSTCH(A) ; RESTORE LAST CHAR - PUSHJ P,ERRPAR - JRST RET1 - -;THIS CODE CALLS IREAD RECURSIVELY TO READ THAT WHICH IS -;BETWEEN (), ARRIVED AT WHEN ( IS READ - -SEGIN: PUSH TP,$TSEG - JRST OPNAN1 - -OPNANG: PUSH TP,$TFORM ;SAVE TYPE -OPNAN1: PUSH P,[">] - JRST LPARN1 - -LPAREN: PUSH P,[")] - PUSH TP,$TLIST ;START BY ASSUMING NIL -LPARN1: PUSH TP,[0] - PUSHJ P,LSTCHR ;DON'T REREAD PARENS -LLPLOP: PUSHJ P,IREAD1 ;READ IT - JRST LDONE ;HIT TERMINATOR - -;HERE WHEN MUST ADD CAR TO CURRENT WINNER - -GENCAR: PUSH TP,C ; SAVE COMMENT - PUSH TP,D - MOVE C,A ; SET UP CALL - MOVE D,B - PUSHJ P,INCONS ; CONS ON TO NIL - POP TP,D - POP TP,C - POP TP,E ;GET CDR - JUMPN E,CDRIN ;IF STACKED GOODIE NOT NIL SKIP - PUSH TP,B ;AND USE AS TOTAL VALUE - PUSH TP,$TLIST ;SAVE THIS AS FIRSST THING ON LIST - MOVE A,-2(TP) ; GET REAL TYPE - JRST .+2 ;SKIP CDR SETTING -CDRIN: HRRM B,(E) - PUSH TP,B ;CLOBBER IN NEW PARTIAL GOODIE - JUMPE C,LLPLOP ; JUMP IF NO COMMENT - PUSH TP,C - PUSH TP,D - MOVSI C,TATOM - MOVE D,MQUOTE COMMENT - PUSHJ P,IPUT - JRST LLPLOP ;AND CONTINUE - -; HERE TO RAP UP LIST - -LDONE: CAME B,(P) ;CHECK VALIDITY OF CHARACTER - PUSHJ P,MISMAT ;REPORT MISMATCH - SUB P, [1,,1] - POP TP,B ;GET VALUE OF PARTIAL RESULT - POP TP,A ;AND TYPE OF SAME - JUMPE B,RET ;VALUE IS NIL, DON'T POP AGAIN - POP TP,B ;POP FIRST LIST ELEMENT - POP TP,A ;AND TYPE - JRST RET - -;THIS CODE IS SIMILAR TO LIST GENERATING CODE BUT IS FOR VECTORS -OPNBRA: PUSH P,["}] ; SAVE TERMINATOR -UVECIN: PUSH P,[135] ; CLOSE SQUARE BRACKET - PUSH P,[IEUVECTOR] ;PUSH NAME OF U VECT HACKER - JRST LBRAK2 ;AND GO - -LBRACK: PUSH P,[135] ; SAVE TERMINATE - PUSH P,[IEVECTOR] ;PUSH GEN VECTOR HACKER -LBRAK2: PUSHJ P,LSTCHR ;FORCE READING NEW CHAR - PUSH P,[0] ; COUNT ELEMENTS - PUSH TP,$TLIST ; AND SLOT FOR GOODIES - PUSH TP,[0] - -LBRAK1: PUSHJ P,IREAD1 ;RECURSIVELY READ ELEMENTS OF ARRAY - JRST LBDONE ;RAP UP ON TERMINATOR - -STAKIT: EXCH A,-1(TP) ; STORE RESULT AND GET CURRENT LIST - EXCH B,(TP) - AOS (P) ; COUNT ELEMENTS - JUMPE C,LBRAK3 ; IF NO COMMENT, GO ON - MOVEI E,(B) ; GET CDR - PUSHJ P,ICONS ; CONS IT ON - MOVEI E,(B) ; SAVE RS - MOVSI C,TFIX ; AND GET FIXED NUM - MOVE D,(P) - PUSHJ P,ICONS -LBRAK3: PUSH TP,A ; SAVE CURRENT COMMENT LIST - PUSH TP,B - JRST LBRAK1 - -; HERE TO RAP UP VECTOR - -LBDONE: CAME B,-2(P) ; FINISHED RETURN (WAS THE RIGHT STOP USED?) - PUSHJ P,MISMAB ; WARN USER - POP TP,1(TB) ; REMOVE COMMENT LIST - POP TP,(TB) - MOVE A,(P) ; COUNT TO A - PUSHJ P,-1@(P) ; MAKE THE VECTOR - SUB P,[3,,3] - -; PUT COMMENTS ON VECTOR (OR UVECTOR) - - MOVNI C,1 ; INDICATE TEMPLATE HACK - CAMN A,$TVEC - MOVEI C,1 - CAMN A,$TUVEC ; SKIP IF UVECTOR - MOVEI C,0 - PUSH P,C ; SAVE - PUSH TP,A ; SAVE VECTOR/UVECTOR - PUSH TP,B - -VECCOM: SKIPN C,1(TB) ; ANY LEFT? - JRST RETVEC ; NO, LEAVE - MOVE A,1(C) ; ASSUME WINNING TYPES - SUBI A,1 - HRRZ C,(C) ; CDR THE LIST - HRRZ E,(C) ; AGAIN - MOVEM E,1(TB) ; SAVE CDR - GETYP E,(C) ; CHECK DEFFERED - MOVSI D,(E) - CAIN E,TDEFER ; SKIP IF NOT DEFERRED - MOVE C,1(C) - CAIN E,TDEFER - GETYPF D,(C) ; GET REAL TYPE - MOVE B,(TP) ; GET VECTOR POINTER - SKIPGE (P) ; SKIP IF NOT TEMPLATE - JRST TMPCOM - HRLI A,(A) ; COUNTER - LSH A,@(P) ; MAYBE SHIFT IT - ADD B,A - MOVE A,-1(TP) ; TYPE -TMPCO1: PUSH TP,D - PUSH TP,1(C) ; PUSH THE COMMENT - MOVSI C,TATOM - MOVE D,MQUOTE COMMENT - PUSHJ P,IPUT - JRST VECCOM - -TMPCOM: MOVSI A,(A) - ADD B,A - MOVSI A,TTMPLT - JRST TMPCO1 - -RETVEC: SUB P,[1,,1] - POP TP,B - POP TP,A - JRST RET - -; BUILD A SINGLE CHARACTER ITEM - -SINCHR: PUSHJ P,NXTC1 ;FORCE READ NEXT - CAIN B,ESCTYP ;ESCAPE? - PUSHJ P,NXTC1 ;RETRY - MOVEI B,(A) - MOVSI A,TCHRS - JRST RETCL - - -; HERE ON RIGHT PAREN, BRACKET, ANGLE BRACKET OR CTL C - -CLSBRA: -CLSANG: ;CLOSE ANGLE BRACKETS -RBRACK: ;COMMON RETURN FOR END OF ARRAY ALSO -RPAREN: PUSHJ P,LSTCHR ;DON'T REREAD -EOFCH1: MOVE B,A ;GETCHAR IN B - MOVSI A,TCHRS ;AND TYPE IN A -RET1: SUB P,[1,,1] - POPJ P, - -EOFCHR: SETZB C,D - JUMPL A,EOFCH1 ; JUMP ON REAL EOF - JRST RRSUBR ; MAYBE A BINARY RSUBR - -DOEOF: MOVE A,[-1,,3] - SETZB C,D - JRST EOFCH1 - - -; NORMAL RETURN FROM IREAD/IREAD1 - -RETCL: PUSHJ P,LSTCHR ;DONT REREAD -RET: AOS -1(P) ;SKIP - POP P,E ; POP FLAG -RETC: JUMPL E,RET2 ; DONT LOOK FOR COMMENTS - PUSH TP,A ; SAVE ITEM - PUSH TP,B -CHCOMN: PUSHJ P,NXTCH ; READ A CHARACTER - CAIE B,COMTYP ; SKIP IF COMMENT - JRST CHSPA - PUSHJ P,IREAD ; READ THE COMMENT - JRST POPAJ - MOVE C,A - MOVE D,B - JRST .+2 -POPAJ: SETZB C,D - POP TP,B - POP TP,A -RET2: POPJ P, - -CHSPA: CAIN B,SPATYP - PUSHJ P,SPACEQ ; IS IT A REAL SPACE - JRST POPAJ - PUSHJ P,LSTCHR ; FLUSH THE SPACE - JRST CHCOMN - -;RANDOM MINI-SUBROUTINES USED BY THE READER - -;READ A CHAR INTO A AND TYPE CODE INTO D - -NXTC1: SKIPL B,5(TB) ;GET CHANNEL - JRST NXTPR1 ;NO CHANNEL, GO READ STRING - SKIPE LSTCH(B) - PUSHJ P,CNTACC ; COUNT ON ACCESS POINTER - JRST NXTC2 -NXTC: SKIPL B,5(TB) ;GET CHANNEL - JRST NXTPRS ;NO CHANNEL, GO READ STRING - SKIPE A,LSTCH(B) ;CHAR IN A IF REUSE - JRST PRSRET -NXTC2: PUSHJ P,RXCT ;GET CHAR FROM INPUT - HLLZS 2(TB) ;FLAG INDICATING ONE CHAR LOOK AHEAD - MOVEM A,LSTCH(B) ;SAVE THE CHARACTER -PRSRET: TRZE A,400000 ;DONT SKIP IF SPECIAL - JRST RETYPE ;GO HACK SPECIALLY -GETCTP: CAILE A,177 ; CHECK RANGE - JRST BADCHR - PUSH P,A ;AND SAVE FROM DIVISION - ANDI A,177 - IDIVI A,CHRWD ;YIELDS WORD AND CHAR NUMBER - LDB B,BYTPNT(B) ;GOBBLE TYPE CODE - POP P,A - POPJ P, - -NXTPRS: SKIPE A,5(TB) ;GET OLD CHARACTER IF ONE EXISTS - JRST PRSRET -NXTPR1: MOVEI A,400033 - PUSH P,C - MOVE C,11.(TB) - HRRZ B,(C) ;GET THE STRING - SOJL B,NXTPR3 - HRRM B,(C) - ILDB A,1(C) ;GET THE CHARACTER FROM THE STRING -NXTPR2: MOVEM A,5(TB) ;SAVE IT - POP P,C - JRST PRSRET ;CONTINUE -NXTPR3: SETZM 8.(TB) - SETZM 9.(TB) ;CLEAR OUT LOCATIVE, AT END OF STRING - JRST NXTPR2 - -; NXTCH AND NXTCH1 ARE SAME AS NXTC AND NXTC1 EXCEPT THEY CHECK ! -; HACKS - -NXTCH1: PUSHJ P,NXTC1 ;READ CHAR - JRST .+2 -NXTCH: PUSHJ P,NXTC ;READ CHAR - CAIGE B,NTYPES+1 ;IF 1 > THAN MAX, MUST BE SPECIAL - JRST CHKUS1 ; CHECK FOR USER DISPATCH - - CAIN B,NTYPES+1 ;FOR OBSCURE BUG FOUND BY MSG - PUSHJ P,NXTC1 ;READ NEXT ONE - HLLOS 2(TB) ;FLAG FOR TWO CHAR LOOK AHEAD - -RETYP1: CAIN A,". ;!. - MOVEI B,DOTEXT ;YES, GET EXTENDED TYPE - CAIN A,"[ - MOVEI B,LBREXT - CAIN A,"' - MOVEI B,QUOEXT - CAIN A,"" - MOVEI B,CSEXT - CAIN A,"- - MOVEI B,PATHTY - CAIN A,"< - MOVEI B,SLMEXT - CAIN A,", - MOVEI B,GLMEXT - CAIN A,33 - MOVEI B,MANYT ;! ALTMODE - -CRMLST: ADDI A,400000 ;CLOBBER LASTCHR - PUSH P,B - SKIPL B,5(TB) ;POINT TO CHANNEL - MOVEI B,5(TB)-LSTCH ;NO CHANNEL, POINT AT SLOT - MOVEM A,LSTCH(B) - SUBI A,400000 ;DECREASE CHAR - POP P,B - -CHKUS2: SKIPN 7(TB) ; SKIP IF USER TABLE - JRST UPLO - PUSH P,A - ADDI A,200 - ASH A,1 ; POINT TO SLOT - HRLS A - ADD A,7(TB) - SKIPL A ;IS THERE VECTOR ENOUGH? - JRST CHKUS4 - SKIPN 1(A) ; NON-ZERO==>USER FCN EXISTS - JRST CHKUS4 ; HOPE HE APPRECIATES THIS - MOVEI B,USTYP2 -CHKRDO: PUSH P,0 ; CHECK FOR REDOING IF CHAR IN TABLE - GETYP 0,(A) - CAIE 0,TCHRS - JRST CHKUS5 - POP P,0 ;WE ARE TRANSMOGRIFYING - POP P,(P) ;FLUSH OLD CHAR - MOVE A,1(A) ;GET NEW CHARACTER - PUSH P,7(TB) - PUSH P,2(TB) ; FLAGS FOR NUM OF CHRS IN LOOK AHEAD - PUSH P,5(TB) ; TO AVOID SMASHING LSTCHR - SETZM 5(TB) ; CLEAR OUT CHANNEL - SETZM 7(TB) ;CLEAR OUT TABLE - TRZE A,200 ; ! HACK - TRO A,400000 ; TURN ON PROPER BIT - PUSHJ P,PRSRET - POP P,5(TB) ; GET BACK CHANNEL - POP P,2(TB) - POP P,7(TB) ;GET BACK OLD PARSE TABLE - POPJ P, - -CHKUS5: CAIE 0,TLIST - JRST .+4 ; SPECIAL NON-BREAK TYPE HACK - MOVNS -1(P) ; INDICATE BY NEGATIVE - MOVE A,1(A) ; GET <1 LIST> - GETYP 0,(A) ; AND GET THE TYPE OF THAT - CAIE 0,TFIX ; SEE IF HE WANTS SAME CHAR WITH DIFF TYPE - JRST CHKUS6 ; JUST A VANILLA HACK - MOVE A,1(A) ; PRETEND IT IS SAME TYPE AS NEW CHAR - PUSH P,7(TB) ; CLEAR OUT TRANSLATE TABLE - PUSH P,2(TB) ; FLAGS FOR # OF CHRS IN LOOK AHEAD - SETZM 7(TB) - TRZE A,200 - TRO A,400000 ; TURN ON PROPER BIT IF ! HACK - PUSHJ P,PRSRET ; REGET TYPE - POP P,2(TB) - POP P,7(TB) ; PUT TRANSLATE TABLE BACK -CHKUS6: SKIPGE -1(P) ; SEE IF A SPECIAL NON-BREAK - MOVNS B ; SEXY, HUH? - POP P,0 - POP P,A - MOVMS A ; FIX UP A POSITIVE CHARACTER - POPJ P, - -CHKUS4: POP P,A - JRST UPLO - -CHKUS1: SKIPN 7(TB) ; USER CHECK FOR NOT ! CASE - POPJ P, - PUSH P,A - ASH A,1 - HRLS A - ADD A,7(TB) - SKIPL A - JRST CHKUS3 - SKIPN 1(A) - JRST CHKUS3 - MOVEI B,USTYP1 - JRST CHKRDO ; TRANSMOGRIFY CHARACTER? - -CHKUS3: POP P,A - POPJ P, - -UPLO: POPJ P, ; LETS NOT AND SAY WE USED TO - ; AVOID STRANGE ! BLECHAGE - -RETYPE: PUSHJ P,GETCTP ;GET TYPE OF CHAR - JRST RETYP1 - -NXTCS: PUSHJ P,NXTC - PUSH P,A ; HACK TO NOT TRANSLATE CHAR - PUSHJ P,CHKUS1 ; BUT DO TRANSLATION OF TYPE IF HE WANTS - POP P,A ; USED TO BUILD UP STRINGS - POPJ P, - -CHKALT: CAIN A,33 ;ALT? - MOVEI B,MANYT - JRST CRMLST - - -TERM: MOVEI B,0 ;RETURN A 0 - JRST RET1 - ;AND RETURN - -CHKMIN: CAIN A,"- ; IF CHAR IS -, WINNER - MOVEI B,PATHTY - JRST CRMLST - -LOSPAT: PUSHJ P,LSTCHR ; FIX RECURSIVE LOSAGE - PUSH TP,$TATOM - PUSH TP,EQUOTE UNATTACHED-PATH-NAME-SEPARATOR - JRST CALER1 - - -; HERE TO SEE IF READING RSUBR - -RRSUBR: PUSHJ P,LSTCHR ; FLUSH JUST READ CHAR - SKIPL B,5(TB) ; SKIP IF A CHANNEL EXISTS - JRST SPACE ; ELSE LIKE A SPACE - MOVE C,@BUFSTR(B) ; SEE IF FLAG SAYS START OF RSUBR - TRNN C,1 ; SKIP IF REAL RSUBR - JRST SPACE ; NO, IGNORE FOR NOW - -; REALLY ARE READING AN RSUBR - - HRRZ 0,4(TB) ; GET READ/READB INDICATOR - MOVE C,ACCESS(B) ; GET CURRENT ACCESS - JUMPN 0,.+3 ; ALREADY WORDS, NO NEED TO DIVIDE - ADDI C,4 ; ROUND UP - IDIVI C,5 - PUSH P,C ; SAVE WORD ACCESS - MOVEI A,(C) ; COPY IT FOR CALL - JUMPN 0,.+3 - IMULI C,5 - MOVEM C,ACCESS(B) ; FIXUP ACCESS - HLLZS ACCESS-1(B) ; FOR READB LOSER - PUSHJ P,DOACCS ; AND GO THERE - PUSH P,[0] ; FOR READ IN - HRROI A,(P) ; PREPARE TO READ LENGTH - PUSHJ P,DOIOTI ; READ IT - POP P,C ; GET READ GOODIE - MOVEI A,(C) ; COPY FOR GETTING BLOCK - ADDI C,1 ; COUNT COUNT WORD - ADDM C,(P) - PUSH TP,$TUVEC ; WILL HOLD UVECTOR OF FIXUPS IF THEY STAY - PUSH TP,[0] - PUSHJ P,IBLOCK ; GET A BLOCK - PUSH TP,$TUVEC - PUSH TP,B ; AND SAVE - MOVE A,B ; READY TO IOT IT IN - MOVE B,5(TB) ; GET CHANNEL BACK - MOVSI 0,TUVEC ; SETUP A'S TYPE - MOVEM 0,ASTO(PVP) - PUSHJ P,DOIOTI ; IN COMES THE WHOLE BLOCK - SETZM ASTO(PVP) ; A NO LONGER SPECIAL - MOVEI C,BUFSTR-1(B) ; NO RESET BUFFER - PUSHJ P,BYTDOP ; A POINTS TO DOPW WORD - SUBI A,2 - HRLI A,010700 ; SETUP BYTE POINTER TO END - HLLZS BUFSTR-1(B) ; ZERO CHAR COUNNT - MOVEM A,BUFSTR(B) - HRRZ A,4(TB) ; READ/READB FLG - MOVE C,(P) ; ACCESS IN WORDS - SKIPN A ; SKIP FOR ASCII - IMULI C,5 ; BUMP - MOVEM C,ACCESS(B) ; UPDATE ACCESS - PUSHJ P,NIREAD ; READ RSUBR VECTOR - JRST BRSUBR ; LOSER - GETYP A,A ; VERIFY A LITTLE - CAIE A,TVEC ; DONT SKIP IF BAD - JRST BRSUBR ; NOT A GOOD FILE - PUSHJ P,LSTCHR ; FLUSH REREAD CHAR - MOVE C,(TP) ; CODE VECTOR BACK - MOVSI A,TCODE - HLR A,B ; FUNNY COUNT - MOVEM A,(B) ; CLOBBER - MOVEM C,1(B) - PUSH TP,$TRSUBR ; MAKE RSUBR - PUSH TP,B - -; NOW LOOK OVER FIXUPS - - MOVE B,5(TB) ; GET CHANNEL - MOVE C,ACCESS(B) - HLLZS ACCESS-1(B) ; FOR READB LOSER - HRRZ 0,4(TB) ; READ/READB FLG - JUMPN 0,RSUB1 - ADDI C,4 ; ROUND UP - IDIVI C,5 ; TO WORDS - MOVEI D,(C) ; FIXUP ACCESS - IMULI D,5 - MOVEM D,ACCESS(B) ; AND STORE -RSUB1: ADDI C,1 ; ACCOUNT FOR EXTRA COUNTERS - MOVEM C,(P) ; SAVE FOR LATER - MOVEI A,-1(C) ; FOR DOACS - MOVEI C,2 ; UPDATE REAL ACCESS - SKIPN 0 ; SKIP FOR READB CASE - MOVEI C,10. - ADDM C,ACCESS(B) - PUSHJ P,DOACCS ; DO THE ACCESS - PUSH TP,$TUVEC ; SLOT FOR FIXUP BUFFER - PUSH TP,[0] - -; FOUND OUT IF FIXUPS STAY - - MOVE B,MQUOTE KEEP-FIXUPS - PUSHJ P,ILVAL ; GET VALUE - GETYP 0,A - MOVE B,5(TB) ; CHANNEL BACK TO B - CAIE 0,TUNBOU - CAIN 0,TFALSE - JRST RSUB4 ; NO, NOT KEEPING FIXUPS - PUSH P,[0] ; SLOT TO READ INTO - HRROI A,(P) ; GET LENGTH OF SAME - PUSHJ P,DOIOTI - POP P,C - MOVEI A,(C) ; GET UVECTOR FOR KEEPING - ADDM C,(P) ; ACCESS TO END - PUSH P,C ; SAVE LENGTH OF FIXUPS - PUSHJ P,IBLOCK - MOVEM B,-6(TP) ; AND SAVE - MOVE A,B ; FOR IOTING THEM IN - ADD B,[1,,1] ; POINT PAST VERS # - MOVEM B,(TP) - MOVSI C,TUVEC - MOVEM C,ASTO(PVP) - MOVE B,5(TB) ; AND CHANNEL - PUSHJ P,DOIOTI ; GET THEM - SETZM ASTO(PVP) - MOVE A,(TP) ; GET VERS - PUSH P,-1(A) ; AND PUSH IT - JRST RSUB5 - -RSUB4: PUSH P,[0] - PUSH P,[0] ; 2 SLOTS FOR READING - MOVEI A,-1(P) - HRLI A,-2 - PUSHJ P,DOIOTI - MOVE C,-1(P) - MOVE D,(P) - ADDM C,-2(P) ; NOW -2(P) IS ACCESS TO END OF FIXUPS -RSUB5: MOVEI C,BUFSTR-1(B) ; FIXUP BUFFER - PUSHJ P,BYTDOP - SUBI A,2 ; POINT BEFORE D.W. - HRLI A,10700 - MOVEM A,BUFSTR(B) - HLLZS BUFSTR-1(B) - SKIPE -6(TP) - JRST RSUB2A - SUBI A,BUFLNT-1 ; ALSO MAKE AN IOT FLAVOR BUFFER - HRLI A,-BUFLNT - MOVEM A,(TP) - MOVSI C,TUVEC - MOVEM C,ASTO(PVP) - PUSHJ P,DOIOTI - SETZM ASTO(PVP) -RSUB2A: PUSH P,-1(P) ; ANOTHER COPY OF LENGTH OF FIXUPS - -; LOOP FIXING UP NEW TYPES - -RSUB2: PUSHJ P,WRDIN ; SEE WHAT NEXT THING IS - JRST RSUB3 ; NO MORE, DONE - JUMPL E,STSQ ; MUST BE FIRST SQUOZE - MOVNI 0,(E) ; TO UPDATE AMNT OF FIXUPS - ADDB 0,(P) - HRLI E,(E) ; IS LENGTH OF STRING IN WORDS - ADD E,(TP) ; FIXUP BUFFER POINTER - JUMPL E,.+3 - SUB E,[BUFLNT,,BUFLNT] - JUMPGE E,.-1 ; STILL NOT RIGHT - EXCH E,(TP) ; FIX UP SLOT - HLRE C,E ; FIX BYTE POINTER ALSO - IMUL C,[-5] ; + CHARS LEFT - MOVE B,5(TB) ; CHANNEL - PUSH TP,BUFSTR-1(B) - PUSH TP,BUFSTR(B) - HRRM C,BUFSTR-1(B) - HRLI E,440700 ; AND BYTE POINTER - MOVEM E,BUFSTR(B) - PUSHJ P,NIREAD ; READ ATOM NAME OF TYPE - TDZA 0,0 ; FLAG LOSSAGE - MOVEI 0,1 ; WINNAGE - MOVE C,5(TB) ; RESET BUFFER - POP TP,BUFSTR(C) - POP TP,BUFSTR-1(C) - JUMPE 0,BRSUBR ; BAD READ OF RSUBR - GETYP A,A ; A LITTLE CHECKING - CAIE A,TATOM - JRST BRSUBR - PUSHJ P,LSTCHR ; FLUSH REREAD CHAR - HRRZ 0,4(TB) ; FIXUP ACCESS PNTR - MOVE C,5(TB) - MOVE D,ACCESS(C) - HLLZS ACCESS-1(C) ; FOR READB HACKER - ADDI D,4 - IDIVI D,5 - IMULI D,5 - SKIPN 0 - MOVEM D,ACCESS(C) ; RESET -TYFIXE: PUSHJ P,TYPFND ; SEE IF A LEGAL TYPE NAME - JRST TYPFIX ; GO SEE USER ABOUT THIS - PUSHJ P,FIXCOD ; GO FIX UP THE CODE - JRST RSUB2 - -; NOW FIX UP SUBRS ETC. IF NECESSARY - -STSQ: MOVE B,MQUOTE MUDDLE - PUSHJ P,IGVAL ; GET CURRENT VERS - CAME B,-1(P) ; SKIP IF NO FIXUPS NEEDED - JRST DOFIX0 ; MUST DO THEM - -; ALL DONE, ACCESS PAST FIXUPS AND RETURN - -RSUB3: MOVE A,-3(P) - MOVE B,5(TB) - MOVEI C,(A) ; UPDATE CHANNEL ACCESS IN CASE SKIPPING - HRRZ 0,4(TB) ; READ/READB FLAG - SKIPN 0 - IMULI C,5 - MOVEM C,ACCESS(B) ; INTO ACCESS SLOT - HLLZS ACCESS-1(B) - PUSHJ P,DOACCS ; ACCESSED - MOVEI C,BUFSTR-1(B) ; FIX UP BUFFER - PUSHJ P,BYTDOP - SUBI A,2 - HRLI A,10700 - MOVEM A,BUFSTR(B) - HLLZS BUFSTR-1(B) - SKIPN A,-6(TP) ; SKIP IF KEEPING FIXUPS - JRST RSUB6 - PUSH TP,$TUVEC - PUSH TP,A - MOVSI A,TRSUBR - MOVE B,-4(TP) - MOVSI C,TATOM - MOVE D,MQUOTE RSUBR - PUSHJ P,IPUT ; DO THE ASSOCIATION - -RSUB6: MOVE B,-2(TP) ; GET RSUBR - MOVSI A,TRSUBR - SUB P,[4,,4] ; FLUSH P CRUFT - SUB TP,[10,,10] - JRST RET - -; FIXUP SUBRS ETC. - -DOFIX0: SKIPN C,-6(TP) ; GET BUFFER IF KEEPING - JRST DOFIXE - MOVEM B,(C) ; CLOBBER - JRST DOFIXE - -FIXUPL: PUSHJ P,WRDIN - JRST RSUB3 -DOFIXE: JUMPGE E,BRSUBR - TLZ E,740000 ; KILL BITS - PUSHJ P,SQUTOA ; LOOK IT UP - JRST BRSUBR - MOVEI D,(E) ; FOR FIXCOD - PUSHJ P,FIXCOD ; FIX 'EM UP - JRST FIXUPL - -; ROUTINE TO FIXUP ACTUAL CODE - -FIXCOD: MOVEI E,0 ; FOR HWRDIN - PUSH P,D ; NEW VALUE - PUSHJ P,HWRDIN ; GET HW NEEDED - MOVE D,(P) ; GET NEW VAL - MOVE A,(TP) ; AND BUFFER POINTER - SKIPE -6(TP) ; SAVING? - HRLM D,-1(A) ; YES, CLOBBER - SUB C,(P) ; DIFFERENCE - MOVN D,C - -FIXLP: PUSHJ P,HWRDIN ; GET AN OFFSET - JUMPE C,FIXED - HRRES C ; MAKE NEG IF NEC - JUMPL C,LHFXUP - ADD C,-4(TP) ; POINT INTO CODE - ADDM D,-1(C) - JRST FIXLP - -LHFXUP: MOVMS C - ADD C,-4(TP) - MOVSI 0,(D) - ADDM 0,-1(C) - JRST FIXLP - -FIXED: SUB P,[1,,1] - POPJ P, - -; ROUTINE TO READ A WORD FROM BUFFER - -WRDIN: PUSH P,A - PUSH P,B - SOSG -3(P) ; COUNT IT DOWN - JRST WRDIN1 - AOS -2(P) ; SKIP RETURN - MOVE B,5(TB) ; CHANNEL - HRRZ A,4(TB) ; READ/READB SW - MOVEI E,5 - SKIPE A - MOVEI E,1 - ADDM E,ACCESS(B) - MOVE A,(TP) ; BUFFER - MOVE E,(A) - AOBJP A,WRDIN2 ; NEED NEW BUFFER - MOVEM A,(TP) -WRDIN1: POP P,B - POP P,A - POPJ P, - -WRDIN2: MOVE B,-3(P) ; IS THIS LAST WORD? - SOJLE B,WRDIN1 ; YES, DONT RE-IOT - SUB A,[BUFLNT,,BUFLNT] - MOVEM A,(TP) - MOVSI B,TUVEC - MOVEM B,ASTO(PVP) - MOVE B,5(TB) - PUSHJ P,DOIOTI - SETZM ASTO(PVP) - JRST WRDIN1 - -; READ IN NEXT HALF WORD - -HWRDIN: JUMPN E,NOIOT ; USE EXISTING WORD - PUSH P,-3(P) ; FAKE OUT WRDIN IF NEC. - PUSHJ P,WRDIN - JRST BRSUBR - POP P,-4(P) ; RESET COUNTER - HLRZ C,E ; RET LH - POPJ P, - -NOIOT: HRRZ C,E - MOVEI E,0 - POPJ P, - -TYPFIX: PUSH TP,$TATOM - PUSH TP,EQUOTE BAD-TYPE-NAME - PUSH TP,$TATOM - PUSH TP,B - PUSH TP,$TATOM - PUSH TP,EQUOTE ERRET-TYPE-NAME-DESIRED - MCALL 3,ERROR - JRST TYFIXE - -BRSUBR: PUSH TP,$TATOM - PUSH TP,EQUOTE RSUBR-IN-BAD-FORMAT - JRST CALER1 - - - -;TABLE OF BYTE POINTERS FOR GETTING CHARS - -BYTPNT": 350700,,CHTBL(A) - 260700,,CHTBL(A) - 170700,,CHTBL(A) - 100700,,CHTBL(A) - 010700,,CHTBL(A) - -;HERE ARE THE TABLES OF CHXRACTERS (NOTE EVERYTHING NOT SPECIFIED IS -;IN THE NUMBER LETTER CATAGORY) - -SETCHR 2,[0123456789] - -SETCHR 3,[+-] - -SETCHR 4,[.] - -SETCHR 5,[Ee] - -SETCOD 6,[15,12,11,14,40,33] ;ALL ARE TYPE 2 (SPACING - FF,TAB,SPACE,ALT-MODE) - -INCRCH 7,[()[]'%"\#<>] ;GIVE THESE INCREASRNG CODES FROM 3 - -SETCOD 22,[3] ;^C - EOF CHARACTER - -INCRCH 23,[;,{}!] ;COMMENT AND GLOBAL VALUE AND SPECIAL - -CHTBL: - OUTTBL ;OUTPUT THE TABLE RIGHT HERE - - - ; THIS CODE FLUSHES WANDERING COMMENTS - -COMNT: PUSHJ P,IREAD - JRST COMNT2 - JRST BDLP - -COMNT2: SKIPL A,5(TB) ; RESTORE CHANNEL - MOVEI A,5(TB)-LSTCH ;NO CHANNEL, POINT AT SLOT - MOVEM B,LSTCH(A) ; CLOBBER IN CHAR - PUSHJ P,ERRPAR - JRST BDLP - -;SUBROUTINE TO READ CHARS ONTO STACK - -GOBBL1: MOVEI FF,0 ;KILL ALL FLAGS - PUSHJ P,LSTCHR ;DON'T REREAD " - TROA FF,NOTNUM+INSTRN ;SURPRESS NUMBER CONVERSION -GOBBLE: MOVEI FF,0 ;FLAGS CONCERRNING CURRENT GOODIE IN HERE - MOVE A,TP ;GOBBLE CURRENT TP TO BE PUSHED - MOVEI C,6 ;NOW PUSH 6 0'S ON TO STACK - PUSH TP,$TFIX ;TYPE IS FIXED - PUSH TP,FF ;AND VALUE IS 0 - SOJG C,.-2 ;FOUR OF THEM - PUSH TP,$TTP ;NOW SAVE OLD TP - ADD A,[1,,1] ;MAKE IT LOOK LIKE A TB - PUSH TP,A - MOVEI D,0 ;ZERO OUT CHARACTER COUNT -GOB1: MOVSI C,(<440700,,(P)>) ;SET UP FIRST WORD OF CHARS - PUSH P,[0] ;BYTE POINTER -GOB2: PUSH P,FF ;SAVE FLAG REGISTER - INTGO ; IN CASE P OVERFLOWS - MOVEI A,NXTCH - TRNE FF,INSTRN - MOVEI A,NXTCS ; HACK TO GET MAYBE NEW TYPE WITHOUT CHANGE - PUSHJ P,(A) - POP P,FF ;AND RESTORE FLAG REGISTER - CAIN B,ESCTYP ;IS IT A CHARACTER TO BE ESCAPED - JRST ESCHK ;GOBBLE THE ESCAPED CHARACTER - TRNE FF,INSTRN ;ARE WE BUILDING A CHAR STRING - JRST ADSTRN ;YES, GO READ IN - CAILE B,NONSPC ;IS IT SPECIAL - JRST DONEG ;YES, RAP THIS UP - - TRNE FF,NOTNUM ;IS NUMERIC STILL WINNING - JRST SYMB2 ;NO, ONLY DO CHARACTER HACKING - CAIL A,60 ;CHECK FOR DIGIT - CAILE A,71 - JRST SYMB1 ;NOT A DIGIT - JRST CNV ;GO CONVERT TO NUMBER - CNV: - -;ARRIVE HERE IF STILL BUILDING A NUMBER -CNV: MOVE B,(TP) ;GOBBLE POINTER TO TEMPS - TRO FF,NUMWIN ;SAY DIGITSSEEN - SUBI A,60 ;CONVERT TO A NUMBER - TRNE FF,EFLG ;HAS E BEEN SEEN - JRST ECNV ;YES, CONVERT EXPONENT - TRNE FF,DOTSEN ;HAS A DOT BEEN SEEN - - JRST DECNV ;YES, THIS IS A FLOATING NUMBER - - MOVE E,ONUM(B) ; OCTAL CONVERT - LSH E,3 - ADDI E,(A) - MOVEM E,ONUM(B) - TRNE FF,OCTSTR ; SKIP OTHER CONVERSIONS IF OCTAL FORCE - JRST CNV1 - - JFCL 17,.+1 ;KILL ALL FLAGS - MOVE E,CNUM(B) ;COMPUTE CURRENT RADIX - IMUL E,3(TB) - ADD E,A ;ADD IN CURRENT DIGIT - JFCL 10,.+2 - MOVEM E,CNUM(B) ;AND SAVE IT - - - -;INSERT OCTAL AND CRADIX CROCK HERE IF NECESSSARY - JRST DECNV1 ;CONVERT TO DECIMAL(FIXED) - - -DECNV: TRO FF,FLONUM ;SET FLOATING FLAG -DECNV1: JFCL 17,.+1 ;CLEAR ALL FLAGS - MOVE E,DNUM(B) ;GET DECIMAL NUMBER - IMULI E,10. - JFCL 10,CNV2 ;JUMP IF OVERFLOW - ADD E,A ;ADD IN DIGIT - MOVEM E,DNUM(B) - TRNE FF,FLONUM ;IS THIS FRACTION? - SOS NDIGS(B) ;YES, DECREASE EXPONENT BY ONE - -CNV1: PUSHJ P,NXTCH ;RE-GOBBLE CHARACTER - JRST SYMB2 ;ALSO DEPOSIT INTO SYMBOL BEING MADE -CNV2: ;OVERFLOW IN DECIMAL NUMBER - TRNE FF,DOTSEN ;IS THIS FRACTION PART? - JRST CNV1 ;YES,IGNORE DIGIT - AOS NDIGS(B) ;NO, INCREASE IMPLICIT EXPONENT BY ONE - TRO FF,FLONUM ;SET FLOATING FLAG BUT - JRST CNV1 ;DO NOT FORCE DECIMAL(DECFRC) - -ECNV: ;CONVERT A DECIMAL EXPONENT - HRRZ E,ENUM(B) ;GET EXPONENT - IMULI E,10. - ADD E,A ;ADD IN DIGIT - TLNN E,777777 ;IF OVERFLOW INTO LEFT HALF - HRRM E,ENUM(B) ;DO NOT STORE(CATCH ERROR LATER) - JRST CNV1 - JRST SYMB2 ;ALSO DEPOSIT INTO SYMBOL BEING MADE - - -;HERE TO PUT INTO IDENTIFIER BEING BUILT - -ESCHK: PUSHJ P,NXTC1 ;GOBBLE NEXT CHAR -SYMB: MOVE B,(TP) ;GET BACK TEM POINTER - TRNE FF,EFLG ;IF E FLAG SET - HLRZ FF,ENUM(B) ;RESTORE SAVED FLAGS - TRO FF,NOTNUM ;SET NOT NUMBER FLAG -SYMB2: TRO FF,NFIRST ;NOT FIRST IN WORLD -SYMB3: IDPB A,C ;INSERT IT - PUSHJ P,LSTCHR ;READ NEW CHARACTER - TLNE C,760000 ;WORD FULL? - AOJA D,GOB2 ;NO, KEEP TRYING - AOJA D,GOB1 ;COUNT WORD AND GO - -;HERE TO CHECK FOR +,-,. IN NUMBER - -SYMB1: TRNE FF,NFIRST ;IS THIS THE FIRST CHARACTER - JRST CHECK. ;NO, ONLY LOOK AT DOT - CAIE A,"- ;IS IT MINUS - JRST .+3 ;NO CHECK PLUS - TRO FF,NEGF ;YES, NEGATE AT THE END - JRST SYMB2 - CAIN A,"+ ;IS IT + - JRST SYMB2 ;ESSENTIALLY IGNORE IT - CAIE A,"* ; FUNNY OCTAL CROCK? - JRST CHECK. - - TRO FF,OCTSTR - JRST SYMB2 - -;COULD BE . - -CHECK.: PUSHJ P,LSTCHR ;FLUSH LAST CHARACTER - MOVEI E,0 - TRNN FF,DOTSEN+EFLG ;IF ONE ALREADY SEEN - CAIE A,". - JRST CHECKE ;GO LOOK FOR E - -IFN FRMSIN,[ - TRNN FF,NFIRST ;IS IT THE FIRST - JRST DOT1 ;YES, COULD MEAN EVALUATE A VARIABLE -] - -CHCK.1: TRO FF,DECFRC+DOTSEN ;FORCE DECIMAL -IFN FRMSIN, TRNN FF,FRSDOT ;IF NOT FIRST ., PUT IN CHAR STRING - JRST SYMB2 ;ENTER INTO SYMBOL -IFN FRMSIN, JRST GOB2 ;IGNORE THE "." - - - -IFN FRMSIN,[ - -;HERE TO SET UP FOR .FOO ..FOO OR. - -DOT1: PUSH P,FF ;SAVE FLAGS - PUSHJ P,NXTCH1 ;GOBBLE A NEW CHARACTER - POP P,FF ;RESTORE FLAGS - TRO FF,FRSDOT ;SET FLAG IN CASE - CAIN B,NUMCOD ;SKIP IF NOT NUMERIC - JRST CHCK.1 ;NUMERIC, COULD BE FLONUM - -; CODE TO HANDLE ALL IMPLICIT CALLS I.E. QUOTE, LVAL, GVAL - - MOVSI B,TFORM ;LVAL - MOVE A,MQUOTE LVAL - SUB P,[2,,2] ;POP OFF BYTE POINTER AND GOBBLE CALL - POP TP,TP - SUB TP,[1,,1] ;REMOVE TP JUNK - JRST IMPCA1 - -GLOSEG: SKIPA B,$TSEG ;SEG CALL TO GVAL -GLOVAL: MOVSI B,TFORM ;FORM CALL TO SAME - MOVE A,MQUOTE GVAL - JRST IMPCAL - -QUOSEG: SKIPA B,$TSEG ;SEG CALL TO QUOTE -QUOTIT: MOVSI B,TFORM - MOVE A,MQUOTE QUOTE - JRST IMPCAL - -SEGDOT: MOVSI B,TSEG ;SEG CALL TO LVAL - MOVE A,MQUOTE LVAL -IMPCAL: PUSHJ P,LSTCHR ;FLUSH LAST CHAR EXCEPT -IMPCA1: PUSH TP,$TATOM ;FOR .FOO FLAVOR - PUSH TP,A ;PUSH ARGS - PUSH P,B ;SAVE TYPE - PUSHJ P,IREAD1 ;READ - JRST USENIL ; IF NO ARG, USE NIL -IMPCA2: PUSH TP,C - PUSH TP,D - MOVE C,A ; GET READ THING - MOVE D,B - PUSHJ P,INCONS ; CONS TO NIL - MOVEI E,(B) ; PREPARE TON CONS ON -POPARE: POP TP,D ; GET ATOM BACK - POP TP,C - EXCH C,-1(TP) ; SAVE THAT COMMENT - EXCH D,(TP) - PUSHJ P,ICONS - POP P,A ;GET FINAL TYPE - JRST RET13 ;AND RETURN - - -USENIL: PUSH TP,C - PUSH TP,D - SKIPL A,5(TB) ; RESTOR LAST CHR - MOVEI A,5(TB)-LSTCH ;NO CHANNEL, POINT AT SLOT - MOVEM B,LSTCH(A) - MOVEI E,0 - JRST POPARE - -;HERE AFTER READING ATOM TO CALL VALUE - -.SET: SUB P,[1,,1] ;FLUSH GOBBLE CALL - PUSH P,$TFORM ;GET WINNING TYPE - MOVE E,(P) - PUSHJ P,RETC ; CHECK FOR POSSIBLE COMMENT - PUSH TP,$TATOM - PUSH TP,MQUOTE LVAL - JRST IMPCA2 ;GO CONS LIST - -] - -;HERE TO CHECK FOR "E" FLAVOR OF EXPONENT - -CHECKE: CAIN A,"* ; CHECK FOR FINAL * - JRST SYMB4 - TRNN FF,EFLG ;HAS ONE BEEN SEEN - CAIE B,NONSPC ;IF NOT, IS THIS ONE - JRST SYMB ;NO, ENTER AS SYMBOL KILL NUMERIC WIN - - TRNN FF,NUMWIN ;HAVE DIGITS BEEN SEEN? - JRST SYMB ;NO, NOT A NUMBER - MOVE B,(TP) ;GET POINTER TO TEMPS - HRLM FF,ENUM(B) ;SAVE FLAGS - HRRI FF,DECFRC+DOTSEN+EFLG ;SET NEW FLAGS - JRST SYMB3 ;ENTER SYMBOL - - -SYMB4: TRZN FF,OCTSTR - JRST SYMB - TRZN FF,OCTWIN ; ALREADY WON? - TROA FF,OCTWIN ; IF NOT DO IT NOW - JRST SYMB - JRST SYMB2 - -;HERE ON READING CHARACTER STRING - -ADSTRN: SKIPL A ; EOF? - CAIN B,MANYT ;TERMINATE? - JRST DONEG ;YES - CAIE B,CSTYP - JRST SYMB2 ;NO JUST INSERT IT -ADSTN1: PUSHJ P,LSTCHR ;DON'T REREAD """ - - -;HERE TO FINISH THIS CROCK - -DONEG: TRNN FF,OCTSTR ; IF START OCTAL BUT NOT FINISH.. - TRNN FF,NUMWIN ;HAVE DIGITS BEEN SEEN? - TRO FF,NOTNUM ;NO,SET NOT NUMBER FLAG - SKIPGE C ; SKIP IF STUFF IN TOP WORD - SUB P,[1,,1] - PUSH P,D - TRNN FF,NOTNUM ;NUMERIC? - JRST NUMHAK ;IS NUMERIC, GO TO IT - -IFN FRMSIN,[ - MOVE A,(TP) ;GET POINTER TO TEMPS - MOVEM FF,NDIGS(A) ;USE TO HOLD FLAGS -] - TRNE FF,INSTRN ;ARE WE BUILDING A STRING - JRST MAKSTR ;YES, GO COMPLETE SAME -LOOPAT: PUSHJ P,NXTCH ; CHECK FOR TRAILER - CAIN B,PATHTY ; PATH BEGINNER - JRST PATH0 ; YES, GO PROCESS - CAIN B,SPATYP ; SPACER? - PUSHJ P,SPACEQ ; CHECK FOR REAL SPACE - JRST PATH2 - PUSHJ P,LSTCHR ; FLUSH IT AND RETRY - JRST LOOPAT -PATH0: PUSHJ P,NXTCH1 ; READ FORCED NEXT - CAIE B,SPCTYP ; DO #FALSE () HACK - CAIN B,ESCTYP - JRST PATH4 - CAIL B,SPATYP ; SPACER? - JRST PATH3 ; YES, USE THE ROOT OBLIST -PATH4: PUSHJ P,NIREA1 ; READ NEXT ITEM - PUSHJ P,ERRPAR ; LOSER - CAME A,$TATOM ; ONLY ALLOW ATOMS - JRST BADPAT - - PUSH TP,A - PUSH TP,B - PUSH TP,A - PUSH TP,B - PUSH TP,$TATOM - PUSH TP,IMQUOTE OBLIST - MCALL 2,GET ; GET THE OBLIST - CAMN A,$TOBLS ; IF NOT OBLIST, MAKE ONE - JRST PATH6 - MCALL 1,MOBLIS ; MAKE ONE - JRST PATH1 - -PATH6: SUB TP,[2,,2] - JRST PATH1 - - -PATH3: MOVE B,ROOT+1(TVP) ; GET ROOT OBLIST - MOVSI A,TOBLS -PATH1: PUSHJ P,RLOOKU ; AND LOOK IT UP - -IFN FRMSIN,[ - MOVE C,(TP) ;SET TO REGOBBLE FLAGS - MOVE FF,NDIGS(C) -] - JRST FINID - - -SPACEQ: ANDI A,-1 - CAIE A,33 - CAIN A,400033 - POPJ P, - CAIE A,3 - AOS (P) - POPJ P, - -;HERE TO RAP UP CHAR STRING ITEM - -MAKSTR: MOVE C,D ;SETUP TO CALL CHMAK - PUSHJ P,CHMAK ;GO MAKE SAME - JRST FINID - - -NUMHAK: MOVE C,(TP) ;REGOBBLETEMP POINTER - POP P,D ;POP OFF STACK TOP - ADDI D,4 - IDIVI D,5 - HRLI D,(D) ;TOO BOTH HALVES - SUB P,D ;REMOVE CHAR STRING - TRNE FF,FLONUM+EFLG ;IS IT A FLOATING POINT NUMBER - JRST FLOATIT ;YES, GO MAKE IT WIN - MOVE B,CNUM(C) - TRNE FF,DECFRC - MOVE B,DNUM(C) ;GRAB FIXED GOODIE - TRNE FF,OCTWIN ; SKIP IF NOT OCTAL - MOVE B,ONUM(C) ; USE OCTAL VALUE - -FINID2: MOVSI A,TFIX ;SAY FIXED POINT -FINID1: TRNE FF,NEGF ;NEGATE - MOVNS B ;YES -FINID: POP TP,TP ;RESTORE OLD TP - SUB TP,[1,,1] ;FINISH HACK -IFN FRMSIN,[ - TRNE FF,FRSDOT ;DID . START IT - JRST .SET ;YES, GO HACK -] - POPJ P, ;AND RETURN - - - - -PATH2: MOVE B,IMQUOTE OBLIST - PUSHJ P,IDVAL - JRST PATH1 - -BADPAT: PUSH TP,$TATOM - PUSH TP,EQUOTE NON-ATOMIC-OBLIST-NAME - JRST CALER1 - - -FLOATIT: - JFCL 17,.+1 ;CLEAR ALL ARITHMETIC FLAGS - - TRNE FF,EFLG ;"E" SEEN? - JRST EXPDO ;YES, DO EXPONENT - MOVE D,NDIGS(C) ;GET IMPLICIT EXPONENT - -FLOATE: MOVE A,DNUM(C) ;GET DECIMAL NUMBER - IDIVI A,400000 ;SPLIT - FSC A,254 ;CONVERT MOST SIGNIFICANT - FSC B,233 ; AND LEAST SIGNIFICANT - FADR B,A ;COMBINE - - MOVM A,D ;GET MAGNITUDE OF EXPONENT - CAILE A,37. ;HOW BIG? - JRST FOOR ;TOO BIG-FLOATING OUT OF RANGE - JUMPGE D,FLOAT1 ;JUMP IF EXPONENT POSITIVE - FDVR B,TENTAB(A) ;DIVIDE BY TEN TO THE EXPONENT - JRST SETFLO - -FLOAT1: FMPR B,TENTAB(A) ;SCALE UP - -SETFLO: JFCL 10,FOOR ;FLOATING OUT OF RANGE ON OVERFLOW - MOVSI A,TFLOAT -IFN FRMSIN, TRZ FF,FRSDOT ;FLOATING NUMBER NOT VALUE - JRST FINID1 - -EXPDO: - HRRZ D,ENUM(C) ;GET EXPONENT - TRNE FF,NEGF ;IS EXPONENT NEGATIVE? - MOVNS D ;YES - ADD D,NDIGS(C) ;ADD IMPLICIT EXPONENT - HLR FF,ENUM(C) ;RESTORE FLAGS - JUMPL D,FLOATE ;FLOATING IF EXPONENT NEGATIVE - CAIG D,10. ;OR IF EXPONENT TOO LARGE - TRNE FF,FLONUM ;OR IF FLAG SET - JRST FLOATE - MOVE B,DNUM(C) ; - IMUL B,ITENTB(D) - JFCL 10,FLOATE ;IF OVERFLOW, MAKE FLOATING - JRST FINID2 ;GO MAKE FIXED NUMBER - -; HERE TO READ ONE CHARACTER FOR USER. - -CREDC1: SUBM M,(P) - PUSH TP,A - PUSH TP,B - PUSHJ P,IREADC - JFCL - JRST MPOPJ - -CNXTC1: SUBM M,(P) - PUSH TP,A - PUSH TP,B - PUSHJ P,INXTRD - JFCL - JRST MPOPJ - -CREADC: SUBM M,(P) - PUSH TP,A - PUSH TP,B - PUSHJ P,IREADC - JRST RMPOPJ - SOS (P) - JRST RMPOPJ - -CNXTCH: SUBM M,(P) - PUSH TP,A - PUSH TP,B - PUSHJ P,INXTRD - JRST RMPOPJ - SOS (P) -RMPOPJ: SUB TP,[2,,2] - JRST MPOPJ - -INXTRD: TDZA E,E -IREADC: MOVEI E,1 - MOVE B,(TP) ; CHANNEL - HRRZ A,-4(B) ; GET BLESS BITS - TRNE A,C.BIN - TRNE A,C.BUF - JRST .+3 - PUSHJ P,GRB - HRRZ A,-4(B) - TRC A,C.OPN+C.READ - TRNE A,C.OPN+C.READ - JRST BADCHN - SKIPN A,LSTCH(B) - PUSHJ P,RXCT - MOVEM A,LSTCH(B) ; SAVE CHAR - CAMN A,[-1] ; SPECIAL PSEUDO TTY HACK? - JRST PSEUDO ; YES, RET AS FIX - TRZN A,400000 ; UNDO ! HACK - JRST NOEXCL - SKIPE E - MOVEM A,LSTCH(B) - MOVEI A,"! ; RETURN AN ! -NOEXC1: SKIPGE B,A ; CHECK EOF - SOS (P) ; DO EOF RETURN - MOVE B,A ; CHAR TO B - MOVSI A,TCHRS -PSEUD1: AOS (P) - POPJ P, - -PSEUDO: SKIPE E - PUSHJ P,LSTCH2 - MOVE B,A - MOVSI A,TFIX - JRST PSEUD1 - -NOEXCL: SKIPE E - PUSHJ P,LSTCH2 - JRST NOEXC1 - -; READER ERRORS COME HERE - -ERRPAR: PUSH TP,$TCHRS ;DO THE OFFENDER - PUSH TP,B - PUSH TP,$TCHRS - PUSH TP,[40] ;SPACE - PUSH TP,$TCHSTR - PUSH TP,CHQUOT UNEXPECTED - JRST MISMA1 - -;COMPLAIN ABOUT MISMATCHED CLOSINGS - -MISMAB: SKIPA A,["]] -MISMAT: MOVE A,-1(P) ;GOBBLE THE DESIRED CHARACTER - JUMPE B,CPOPJ ;IGNORE UNIVERSAL CLOSE - PUSH TP,$TCHRS - PUSH TP,B - PUSH TP,$TCHSTR - PUSH TP,CHQUOT [ INSTEAD-OF ] - PUSH TP,$TCHRS - PUSH TP,A -MISMA1: MCALL 3,STRING - PUSH TP,$TATOM - PUSH TP,EQUOTE READER-SYNTAX-ERROR-ERRET-ANYTHING-TO-GO-ON - PUSH TP,A - PUSH TP,B - PUSH TP,$TATOM - PUSH TP,MQUOTE READ - MCALL 3,ERROR -CPOPJ: POPJ P, - -; HERE ON BAD INPUT CHARACTER - -BADCHR: PUSH TP,$TATOM - PUSH TP,EQUOTE BAD-ASCII-CHARACTER - JRST CALER1 - -; HERE ON YUCKY PARSE TABLE - -BADPTB: PUSH TP,$TATOM - PUSH TP,EQUOTE BAD-MACRO-TABLE - JRST CALER1 - -BDPSTR: PUSH TP,$TATOM - PUSH TP,EQUOTE BAD-PARSE-STRING - JRST CALER1 - -ILLSQG: PUSHJ P,LSTCHR ; DON'T MESS WITH IT AGAIN - PUSH TP,$TATOM - PUSH TP,EQUOTE BAD-USE-OF-SQUIGGLY-BRACKETS - JRST CALER1 - - -;FLOATING POINT NUMBER TOO LARGE OR SMALL -FOOR: PUSH TP,$TATOM - PUSH TP,EQUOTE NUMBER-OUT-OF-RANGE - JRST CALER1 - - -NILSXP: 0,,0 - -LSTCHR: PUSH P,B - SKIPL B,5(TB) ;GET CHANNEL - JRST LSTCH1 ;NO CHANNEL, POINT AT SLOT - PUSHJ P,LSTCH2 - POP P,B - POPJ P, - -LSTCH2: SKIPE LSTCH(B) ;ARE WE REALLY FLUSHING A REUSE CHARACTER ? - PUSHJ P,CNTACC - SETZM LSTCH(B) - POPJ P, - -LSTCH1: SETZM 5(TB) ;ZERO THE LETTER AND RETURN - POP P,B - POPJ P, - -CNTACC: PUSH P,A - HRRZ A,-4(B) ; GET BITS - TRNE A,C.BIN - JRST CNTBIN - AOS ACCESS(B) -CNTDON: POP P,A - POPJ P, - -CNTBIN: AOS A,ACCESS-1(B) - CAMN A,[TFIX,,1] - AOS ACCESS(B) - CAMN A,[TFIX,,5] - HLLZS ACCESS-1(B) - JRST CNTDON - - -;TABLE OF NAMES OF ARGS AND ALLOWED TYPES - -ARGS: - IRP A,,[[[CAIN C,TUNBOU]],[[CAIE C,TCHAN],INCHAN],[[PUSHJ P,CHOBL],OBLIST]] - IRP B,C,[A] - B - IFSN [C],IMQUOTE C - .ISTOP - TERMIN - TERMIN - -CHOBL: CAIE C,TLIST ;A LIST OR AN OBLIST - CAIN C,TOBLS - AOS (P) - POPJ P, - -END - - TITLE SAVE AND RESTORE STATE OF A MUDDLE - -RELOCATABLE - -.INSRT DSK:MUDDLE > - -SYSQ - -IFE ITS,[ -IF1,[ -.INSRT STENEX > -EXPUNGE SAVE -] -] - -.GLOBAL MOPEN,MIOT,MCLOSE,MUDSTR,SWAP,STRTO6,GCPDL,RGPRS -.GLOBAL CHNL0,CHNL1,REOPN,AGC,SWAPIN,MASK1,MASK2,IPCBLS -.GLOBAL P.CORE,P.TOP,SGSNAM,%RUNAM,%RJNAM,INTINT,CLOSAL,TTYOPE -.GLOBAL NOTTY,PURCLN,6TOCHS,DISXTR,IDVAL1,N.CHNS - -MFUNCTION FSAVE,SUBR - - ENTRY - - PUSH P,. ; SAY WE ARE FAST SAVER - JRST SAVE1 - -MFUNCTION SAVE,SUBR - - ENTRY - - PUSH P,[0] ; SAY WE ARE OLD SLOW SAVE -SAVE1: SKIPG MUDSTR+2 ; DON'T SAVE FROM EXPERIMENTAL MUDDLE - JRST EXPVRS - PUSH P,[0] ; GC OR NOT? -IFE ITS,[ - MOVE B,[400600,,] - MOVE C,[440000,,100000] -] - PUSHJ P,GTFNM ; GET THE FILE NAME ONTO P - JRST .+2 - JRST SAVEON - JUMPGE AB,TMA ; TOO MUCH STRING - GETYP 0,(AB) ; WHAT IS ARG - CAMGE AB,[-3,,0] ; NOT TOO MANY - JRST TMA - CAIN 0,TFALSE -IFN ITS, SETOM -4(P) ; GC FLAG -IFE ITS, SETOM (P) -SAVEON: -IFN ITS,[ - MOVSI A,7 ; IMAGE BLOCK OUT - HRR A,-2(P) ; DEVICE - PUSH P,A - PUSH P,[SIXBIT /_MUDS_/] - PUSH P,[SIXBIT />/] - MOVEI A,-2(P) ; POINT TO BLOCK - PUSHJ P,MOPEN ; ATTEMPT TO OPEN - JRST CANTOP - SUB P,[3,,3] ; FLUSH OPEN BLOCK - PUSH P,-4(P) ; GC FLAG TO TOP OF STACK -] - EXCH A,(P) ; CHAN TO STACK GC TO A - JUMPL A,.+2 - MCALL 0,GC - -; NOW GET VERSION OF MUDDLE FOR COMPARISON - - MOVE A,MUDSTR+2 ; GET # - MOVEI B,177 ; CHANGE ALL RUBOUT CHARACTERS - MOVEI C,40 ; ----- TO SPACES - PUSHJ P,HACKV - - PUSHJ P,WRDOUT - MOVEI A,0 ; WRITE ZERO IF FAST -IFN ITS, SKIPE -6(P) -IFE ITS, SKIPE -1(P) - PUSHJ P,WRDOUT - MOVE A,VECTOP ; CORE REQUIREMENTS FOR THIS SAVED MUDDLE - PUSHJ P,WRDOUT - -IFN ITS,[ - SETZB A,B ; FIRST, ALL INTS OFF - .SETM2 A, - SKIPE DISXTR ; IF HAVE DISPLAY, CLOSE IT - .DSTOP ; STOP THE E&S IF RUNNING - -; IF FAST SAVE JUMP OFF HERE - - SKIPE -6(P) - JRST FSAVE1 - -; NOW DUMP OUT GC SPACE - MOVEI A,E+1 ; ADDRESS OF FIRST NON-SCRATCH WORD - POP P,0 ; CHAN TO 0 - LSH 0,23. ; POSITION - IOR 0,[.IOT A] -] - -IFE ITS,[ - MOVEI A,400000 ; FOR THIS PROCESS - DIR ; TURN OFF INT SYSTEM - -; IF FAST, LEAVE HERE - - SKIPE -1(P) - JRST FSAVE1 - -; NOW DUMP OUT GC SPACE - POP P,0 ; RESTORE JFN - MOVE A,[-,,E] ; NUMBER OF ACS TO GO - PUSH P,(A) - AOBJN A,.-1 - MOVE A,0 - MOVE B,P - BOUT - MOVEI A,20 ; START AT LOCN 20 -] -DMPLP1: MOVEI B,(A) ; POINT TO START OF STUFF - SUB B,VECTOP ; GET BLOCK LENGTH - MOVSI B,(B) - HRRI B,(A) ; HAVE IOT POINTER - SKIPL B ; SKIP IF OK AOBJN POINTER - HRLI B,400000 ; OTHER WISE AS MUCH AS POSSIBLE - -; MAIN NON-ZERO DUMPING LOOP - -DMPLP: SKIPN C,(B) ; FIND FIRST NON-ZERO - AOBJN B,.-1 - JUMPGE B,DMPDON ; NO MORE TO SCAN - -DMP4: MOVEI E,(B) ; FOUND ONE, SAVE POINTER TO IT -DMP3: MOVSI D,-5 ; DUPLICATE COUNTER SETUP - -DMP1: CAMN C,(B) ; IS NEXT SAME AS THIS? - JRST CNTDUP ; COUNT DUPS - MOVSI D,-5 ; RESET COUNTER - SKIPE C,(B) ; SEARCH FOR ZERO -DMP5: AOBJN B,DMP1 ; COUNT AND GO - JUMPGE B,DMP2 ; JUMP IF BLOCK FINISHED - - AOBJP B,DMP2 ; CHECK FOR LONE ZERO - SKIPE C,(B) - JRST DMP1 ; LONE ZERO, DONT END BLOCK - -DMP2: MOVEI D,(E) ; START COMPUTING OUTPUT IOT - SUBI D,(B) ; D=> -LNTH OF BLOCK - HRLI E,(D) ; E=> AOBJN PNTR TO OUTPUT -IFN ITS,[ - HRROI A,E ; MAKE AN IOT POINTER TO IT - XCT 0 ; WRITE IT - MOVE A,E ; NOW FOR THE BLOCK - XCT 0 ; ZAP!, OUT IT GOES -] -IFE ITS,[ - EXCH E,B ; AOBJN TO B - MOVE A,0 ; JFN TO A - BOUT ; WRITE IT - MOVE D,B ; SAVE POINTER - HRLI B,444400 ; BYTPE POINTER - HLRE C,D ; # OF BYTES - SOUT -] -; NOW COMPUTE A CKS - -IFN ITS,[ - MOVE D,E ; FIRST WORD OF CKS - ROT E,1 - ADD E,(D) - AOBJN D,.-2 ; COMP CKS - HRROI A,E - XCT 0 ; WRITE OUT THE CKS -] -IFE ITS,[ - MOVE B,D - ROT B,1 - ADD B,(D) - AOBJN D,.-2 - BOUT - MOVE B,E ; MAIN POINTER BACK -] - -DMP7: JUMPL B,DMPLP ; MORE TO DO? -DMPDON: SUB B,VECTOP ; DONE? - JUMPGE B,DMPDN1 ; YES, LEAVE -IFN ITS, MOVEI A,400000+PVP ; POINT TO NEXT WORD TO GO -IFE ITS, MOVEI A,400020 - JRST DMPLP1 -IFN ITS,[ -DMPDN1: HRROI A,[-1] - XCT 0 ; EOF -DMPDN2: SETZB A,B ; SET UP RENAME WHILE OPEN ETC. - MOVE E,(P) - MOVE D,-1(P) - LDB C,[270400,,0] ; GET CHANNEL - .FDELE A ; RENAME IT - FATAL SAVE RENAME FAILED - XOR 0,[<.IOT A>#<.CLOSE>] ; CHANGE TO A CLOSE - XCT 0 - - MOVE A,MASK1 ; TURN INTS BACK ON - MOVE B,MASK2 - .SETM2 A, - SKIPE DISXTR ; SKIP IF NO E&S - .DCONTINUE ; RESTART THE E&S IF WE HAVE IT -] - -IFE ITS,[ -DMPDN1: MOVNI B,1 - MOVE A,0 ; WRITE EOF - BOUT -DMPDN2: MOVE A,0 - CLOSF - FATAL CANT CLOSE SAVE FILE - CIS ; CLEAR IT SYSTEM - MOVEI A,400000 - EIR ; AND RE-ENABLE -] - -SDONE: MOVE A,$TCHSTR - MOVE B,CHQUOTE SAVED - JRST FINIS - -; SCAN FOR MANY OCCURENCES OF THE SAME THING - -CNTDUP: AOBJN D,DMP5 ; 4 IN A ROW YET - CAIN E,-4(B) ; ANY PARTIAL BLOCK? - JRST DMP6 ; NO, DUMP THESE - SUB B,[4,,4] ; BACK UP POINTER - JRST DMP2 -DMP6: CAMN C,(B) ; FIND ALL CONTIG - AOBJN B,.-1 - MOVEI D,(B) ; COMPUTE COUNT - SUBI D,(E) - MOVSI D,(D) - HRRI D,(E) ; HEADER -IFN ITS,[ - HRROI A,D - XCT 0 - HRROI A,C ; WRITE THE WORD - XCT 0 -] -IFE ITS,[ - MOVE A,0 - EXCH D,B - BOUT - MOVE B,C - BOUT - MOVE B,D -] JRST DMP7 - -; HERE TO WRITE OUT FAST SAVE FILE - -FSAVE1: MOVE A,PARTOP ; DONT WRITE OUT "HOLE" - ADDI A,1777 - ANDCMI A,1777 - MOVEI E,(A) - PUSHJ P,WRDOUT - MOVE A,VECBOT - ANDCMI A,1777 - HRLI E,(A) - PUSHJ P,WRDOUT - POP P,0 ; CHANNEL TO 0 -IFN ITS,[ - ASH 0,23. ; TO AC FIELS - IOR 0,[.IOT A] - MOVEI A,5 ; START AT WORD 5 -] -IFE ITS,[ - MOVE A,[-,,E] - PUSH P,(A) - AOBJN A,.-1 - MOVE A,0 - MOVE B,P ; WRITE OUT P FOR WIINAGE - BOUT - MOVE B,[444400,,20] - MOVNI C,20-6 - SOUT ; MAKE PAGE BOUNDARIES WIN - MOVEI A,20 ; START AT 20 -] - MOVEI B,(E) ; PARTOP TO B - PUSHJ P,FOUT ; WRITE OUT UP TO PAIR TOP - HLRZ A,E ; VECBOT TO A - MOVE B,VECTOP ; AND THE REST - PUSHJ P,FOUT - JRST DMPDN2 - -IFN ITS,[ -FOUT: MOVEI D,(A) ; SAVE START - SUB A,B ; COMPUTE LH OF IOT PNTR - MOVSI A,(A) - SKIPL A ; IF + MEANS GROSS CORE SIZE - MOVSI A,400000 ; USE BIGGEST - HRRI A,(D) - XCT 0 ; ZAP, OUT IT GOES - CAMGE A,B ; SKIP IF ALL WENT - JRST FOUT ; DO THE REST - POPJ P, ; GO CLOSE FILE -] -IFE ITS,[ -FOUT: MOVEI C,(A) - SUBI C,(B) ; # OF BYTES TP C - MOVEI B,(A) ; START TO B - HRLI B,444400 - MOVE A,0 - SOUT ; WRITE IT OUT - POPJ P, -] - - -; HERE TO ATTEMPT TO RESTORE A SAVED STATE - -MFUNCTION RESTORE,SUBR - - ENTRY - SKIPG MUDSTR+2 ; DON'T RESTORE FROM EXPERIMENTAL MUDDLE - JRST EXPVRS -IFE ITS,[ - MOVE B,[100600,,] - MOVE C,[440000,,240000] -] - PUSHJ P,GTFNM - JRST TMA -IFN ITS,[ - MOVEI A,6 ; READ/IMAGE/BLOCK - HRLM A,-2(P) - MOVEI A,-2(P) - PUSHJ P,MOPEN ; OPEN THE LOSER - JRST FNF - SUB P,[4,,4] ; REMOVE OPEN BLOCK - - PUSH P,A ; SAVE CHANNEL - PUSHJ P,SGSNAM ; SAVE SNAME IN SYSTEM -] -IFE ITS, PUSH P,A ; SAVE JFN - PUSHJ P,WRDIN ; READ MUDDLE VERSION - MOVEI B,40 ; CHANGE ALL SPACES - MOVEI C,177 ; ----- TO RUBOUT CHARACTERS - PUSHJ P,HACKV - CAME A,MUDSTR+2 ; AGREE ? - JRST BADVRS - -IFN ITS, MCALL 0,IPCOFF ; CLOSE ALL IPC CHANS - PUSHJ P,CLOSAL ; CLOSE CHANNELS -IFN ITS,[ - SETZB A,B ; KILL ALL POSSIBLE INTERRUPTION - .SETM2 A, -] -IFE ITS,[ - MOVEI A,400000 ; DISABLE INTS - DIR ; INTS OFF -] - PUSHJ P,PURCLN ; DONT KEEP PURE SHAREDNESS - POP P,A ; RETRIEVE CHANNEL - MOVE P,GCPDL - PUSH P,A ; AND SAVE IT ON A GOOD PDL - PUSHJ P,WRDIN ; READ A WORD (VECTOP) OR 0==>FAST I.E. MAP RESTORE - JUMPE A,FASTR - MOVEM A,VECTOP ; SAVE FOR LATER - ASH A,-10. ; TO BLOCKS - MOVE C,A ; SAVE A COPY - ADDI A,1 ; ROOM FOR GC PDL - PUSHJ P,P.CORE - PUSHJ P,NOCORE ; LOSE,LOSE, LOSE - -; NOW READY TO READ IN GC SPACE - POP P,0 ; GET CHAN - MOVEI E+1,0 - MOVE B,[E+1,,E+2] ; BLT SETUP TO ZERO CORE - MOVE E,NOTTY - MOVE A,VECTOP - BLT B,-1+2000(A) ; THE WHOLE THING? -IFN ITS,[ - LSH 0,23. - IOR 0,[.IOT A] ; BUILD IOT -] -IFE ITS,[ - MOVE A,0 - BIN ; READ IN NEW "P" - MOVE P,B -] -LDLP: -IFN ITS,[ - HRROI A,B ; READ A HDR - XCT 0 - JUMPL A,LD1 ; DONE -] -IFE ITS,[ - MOVE A,0 - BIN ; HDR TO B -] - CAMN B,[-1] - JRST LD1 - - JUMPGE B,LDDUPS ; JUMP IF LOADING DUPS -IFN ITS,[ - MOVE A,B ; TO IOTER - XCT 0 - - MOVE C,B ; COMP CKS - ROT C,1 - ADD C,(B) - AOBJN B,.-2 ; COMP AWAY - - HRROI A,D ; GET FILES CKS - XCT 0 - CAME D,C ; CHECK - FATAL RESTORE CHECKSUM ERROR - JRST LDLP ; LOAD MORE -] -IFE ITS,[ - MOVE D,B ; SAVE - HLRE C,B - HRLI B,444400 - MOVE A,0 - SIN ; READ IN A BUNCH - - MOVE B,D - ROT D,1 - ADD D,(B) - AOBJN B,.-2 - - BIN ; READ STORED CKS - CAME D,B - FATAL RESTORE CHECKSUM ERROR - JRST LDLP -] - -LDDUPS: -IFN ITS,[ - HRROI A,(B) ; READ 1ST IN PLACE - XCT 0 -] -IFE ITS,[ - MOVE D,B ; SAVE HDR - BIN ; READ WORD OF INTEREST - MOVEM B,(D) - MOVE B,D -] - HLRZ A,B ; # TO A - HRLI B,(B) ; BUILD A BLT PONTER - ADDI B,1 - ADDI A,-2(B) - BLT B,(A) - JRST LDLP - -LD1: -IFN ITS,[ - XOR 0,[<.IOT A>#<.CLOSE>] ; CHANGE TO CLOSE - XCT 0 ; AND DO IT -] -IFE ITS,[ - MOVE A,0 - CLOSF - JFCL -FASTR1: MOVEI A,P-1 - MOVEI B,P-1-E - POP P,(A) - SUBI A,1 - SOJG B,.-2 -] - -IFN ITS,[ -FASTR1: -] - MOVE A,VECTOP ; REAL CORE TOP - ADDI A,2000 ; ROOM FOR GC PDL - MOVEM A,P.TOP - MOVEM E,NOTTY ; SAVE TTY FLAG - PUSHJ P,PURCLN ; IN CASE RESTORED THING HAD PURE STUFF - PUSHJ P,INTINT ; USE NEW INTRRRUPTS - -; NOW CYCLE THROUGH CHANNELS - MOVE C,TVP - ADD C,[CHNL1+2,,CHNL1+2] ; POINT TO REAL CHANNELS SLOTS - PUSH TP,$TVEC - PUSH TP,C - PUSH P,[N.CHNS] - -CHNLP: SKIPN B,-1(C) ; GET CHANNEL - JRST NXTCHN - PUSHJ P,REOPN - PUSHJ P,CHNLOS - MOVE C,(TP) ; GET POINTER -NXTCHN: ADD C,[2,,2] ; AND BUMP - MOVEM C,(TP) - SOSE (P) - JRST CHNLP - - SKIPN C,CHNL0(TVP)+1 ; ANY PSUEDO CHANNELS - JRST RDONE ; NO, JUST GO AWAY - MOVSI A,TLIST ; YES, REOPEN THEM - MOVEM A,(TP)-1 -CHNLP1: MOVEM C,(TP) ; SAVE POINTER - SKIPE B,(C)+1 ; GET CHANNEL - PUSHJ P,REOPN - PUSHJ P,CHNLO1 - MOVE C,(TP) ; GOBBLE POINTER - HRRZ C,(C) ; REST LIST OF PSUEDO CHANNELS - JUMPN C,CHNLP1 - -RDONE: SUB TP,[2,,2] - SUB P,[1,,1] - PUSHJ P,TTYOPE -IFN ITS,[ - PUSHJ P,IPCBLS ;BLESS ALL THE IPC CHANNELS - PUSHJ P,SGSNAM ; GET SNAME - SKIPN A - .SUSET [.RSNAM,,A] - PUSHJ P,6TOCHS ; TO STRING - PUSH TP,A - PUSH TP,B - MCALL 1,SNAME -] - PUSHJ P,%RUNAM - PUSHJ P,%RJNAM - MOVE A,$TCHSTR - MOVE B,CHQUOTE RESTORED - JRST FINIS - -FASTR: -IFN ITS,[ - PUSHJ P,WRDIN ; GET CORE TOP - ASH A,-10. ; TO PAGES - MOVEI B,(A) ; SAVE - ADDI A,1 ; ROOM FOR GC PDL - PUSHJ P,P.CORE ; GET ALL CORE - PUSHJ P,NOCORE ; LOSE RETURN - PUSHJ P,WRDIN ; GET PARTOP - ASH A,-10. ; TO PAGES - MOVEI E,(A) - PUSHJ P,WRDIN ; NOW GET VECBOT - ASH A,-10. ; TO PAGES - EXCH A,E ; AND SAVE IN E - MOVNS A - MOVSI A,(A) ; TO PAGE AOBJN - MOVE C,A ; COPY OF POINTER - MOVE 0,NOTTY ; SAVE NOTTY FLAG AROUND - MOVE D,(P) ; CHANNEL - DOTCAL CORBLK,[[1000,,104000],[1000,,-1],A,D,C] - FATAL CORBLK ON RESTORE LOSSAGE - SUBM E,B ; AOBJN LH TO E - HRLI E,(B) ; AOBJN TO CORE - HRLI C,(B) ; AND TO DISK - DOTCAL CORBLK,[[1000,,104000],[1000,,-1],E,D,C] - FATAL CORBLK ON RESTORE LOSSAGE - MOVSI A,(D) ; CHANNEL BACK - ASH A,5 - MOVEI B,E ; WHERE TO STRAT IN FILE - IOR A,[.ACCESS B] - XCT A ; ACCESS TO RIGHT ACS - XOR A,[<.IOT B>#<.ACCESS B>] - MOVE B,[D-P-1,,E] - XCT A ; GET ACS - MOVE E,0 ; NO TTY FLAG BACK - XOR A,[<.IOT B>#<.CLOSE>] - XCT A -] -IFE ITS,[ -FASTR: POP P,A ; JFN TO A - BIN ; CORE TOP TO B - MOVE E,B ; SAVE - BIN ; PARTOP - MOVE D,B - BIN ; VECBOT - MOVE C,B - BIN ; SAVED P - MOVE P,B - MOVE 0,NOTTY ; SAVE NOTTY FLAG AROUND - HRL E,C ; SAVE VECTOP - MOVSI A,(A) ; JFN TO LH - MOVSI B,400000 ; FOR ME - MOVSI C,120400 ; FLAGS - ASH D,-9. ; PAGES TO D - PMAP - ADDI A,1 - ADDI B,1 - SOJG D,.-3 - - ASH E,-9. ; E==> CORTOP PAGE,,VECBOT PAGE - HLR B,E ; B NOW READY - MOVEI D,(E) - SUBI D,(B) - PMAP - ADDI A,1 - ADDI B,1 - SOJG D,.-3 - - HLRZS A - CLOSF - FATAL CANT CLOSE RESTORE FILE - MOVE E,0 ; NOTTY TO E -] - MOVE A,PARTOP ; ZERO OUT NEW FREE - HRLI A,(A) - MOVE B,VECBOT - SETZM (A) - ADDI A,1 - BLT A,-1(B) ; ZAP...YOU'RE ZERO - JRST FASTR1 - - -; HERE TO GROCK FILE NAME FROM ARGS - -GTFNM: -IFN ITS,[ - PUSH TP,$TPDL - PUSH TP,P - - IRP A,,[DSK,MUDDLE,SAVE] - PUSH P,[SIXBIT /A/] - TERMIN - PUSHJ P,SGSNAM ; GET SNAME - PUSH P,A ; SAVE SNAME - - JUMPGE AB,GTFNM1 - PUSHJ P,RGPRS ; PARSE THESE ARGS - JRST .+2 -GTFNM1: AOS -4(P) ; SKIP RETURN - - POP P,A ; GET SNAME - .SUSET [.SSNAM,,A] - MOVE A,-3(P) ; GET RET ADDR - HLRZS -2(P) ; FIXUP DEVICE SPEC - SUB TP,[2,,2] - JRST (A) - -; HERE TOO OUT 1 WORD - -WRDOUT: PUSH P,B - PUSH P,A - HRROI B,(P) ; POINT AT C(A) - MOVE A,-3(P) ; CHANNEL - PUSHJ P,MIOT ;WRITE IT -POPJB: POP P,A - POP P,B - POPJ P, - -; HERE TO READ 1 WORD -WRDIN==WRDOUT -] -IFE ITS,[ - PUSH P,C - PUSH P,B - MOVE B,IMQUOTE SNM - PUSHJ P,IDVAL1 - GETYP 0,A - CAIN 0,TUNBOU - MOVEI B,0 - MOVEI A,(P) - PUSH P,[377777,,377777] - PUSH P,[-1,,[ASCIZ /DSK/]] - PUSH P,B - PUSH P,[-1,,[ASCIZ /MUDDLE/]] - PUSH P,[-1,,[ASCIZ /SAVE/]] - PUSH P,[0] - PUSH P,[0] - PUSH P,[77] ; USE AN OBSCURE JFN IF POSSIBLE - MOVE B,1(AB) - GTJFN - JRST FNF - SUB P,[9.,,9.] - POP P,B - OPENF - JRST FNF - ADD AB,[2,,2] - SKIPL AB - AOS (P) - POPJ P, - -WRDIN: PUSH P,B - MOVE A,-2(P) ; JFN TO A - BIN - MOVE A,B - POP P,B - POPJ P, - -WRDOUT: PUSH P,B - MOVE B,-2(P) - EXCH A,B - BOUT - EXCH A,B - POP P,B - POPJ P, -] - - -;REPLACE ALL OCCURANCES OF CHARACTER (B) TO CHARACTER (C) IN A -HACKV: PUSH P,D - PUSH P,E - MOVE D,[440700,,A] - MOVEI E,5 -HACKV1: ILDB 0,D - CAIN 0,(B) ; MATCH ? - DPB C,D ; YES, CLOBBER - SOJG E,HACKV1 - POP P,E - POP P,D - POPJ P, - - -CANTOP: PUSH TP,$TATOM - PUSH TP,EQUOTE CANT-OPEN-OUTPUT-FILE - JRST CALER1 - -FNF: PUSH TP,$TATOM - PUSH TP,EQUOTE FILE-NOT-FOUND - JRST CALER1 - -BADVRS: PUSH TP,$TATOM - PUSH TP,EQUOTE MUDDLE-VERSIONS-DIFFER - JRST CALER1 - -EXPVRS: PUSH TP,$TATOM - PUSH TP,EQUOTE EXPERIMENTAL-MUDDLE-VERSION - JRST CALER1 - -CHNLO1: MOVE C,(TP) - SETZM 1(C) - JRST CHNLO2 - -CHNLOS: MOVE C,(TP) - SETZM (C)-1 -CHNLO2: MOVEI B,[ASCIZ / -CHANNEL-NOT-RESTORED -/] - JRST MSGTYP" - - -NOCORE: PUSH P,A - PUSH P,B - MOVEI B,[ASCIZ / -WAIT, CORE NOT YET HERE -/] - PUSHJ P,MSGTYP" - MOVE A,(P) ; RESTORE BLOCKS NEEDED - MOVEI B,1 - .SLEEP B, - PUSHJ P,P.CORE - JRST .-4 - MOVEI B,[ASCIZ / -CORE ARRIVED -/] - PUSHJ P,MSGTYP - POP P,B - POP P,A - POPJ P, -END - TITLE SPECS FOR MUDDLE - -RELOCA - -MAIN==1 -.GLOBAL TYPVLC,PBASE,TYPBOT,MAINPR,PTIME,IDPROC,ROOT,TTICHN,TTOCHN,TYPVEC -.GLOBAL %UNAM,%JNAM,NOTTY,GCHAPN,INTHLD,PURBOT,PURTOP,N.CHNS,SPCCHK,CURFCN -.GLOBAL TD.GET,TD.PUT,TD.LNT,NOSHUF - - -.INSRT MUDDLE > - -SYSQ - -CONSTANTS - -IFN ITS,[ - N.CHNS==16. - FATINS==.VALUE -] -IFE ITS,[ - N.CHNS==102 -] - -IMPURE - -CRADIX: 10. -%UNAM: 0 ; HOLDS UNAME -%JNAM: 0 ; HOLDS JNAME -IDPROC: 0 ; ENVIRONMENT NUMBER GENERATOR -PTIME: 0 ; UNIQUE NUMBER FOR PROCID AND ENVIRONMENTS -OBLNT": 13. ; LENGTH OF DEFAULT OBLISTS (SMALL) -VECTOP": VECLOC ; TOP OF CURRENT GARBAGE COLLECTED SPACE -VECBOT": VECBASE ; BOTTOM OF GARBAGE COLLECTED SPACE -CODBOT: 0 ; ABSOLUTE BOTTOM OF CODE -CODTOP": PARBASE ; TOP OF IMPURE CODE (INCLUDING "STORAGE") -HITOP: 0 ; TOP OF INTERPRETER PURE CORE -PARNEW": 0 -PARBOT": PARBASE -PARTOP": PARLOC -VECNEW": 0 ; LOCATION FOR OFFSET BETWWEN OLD GCSTOP AND NEW GCSTOP -INTFLG: 0 ; INTERRUPT PENDING FLAG -MAINPR: 0 ; HOLDS POINTER TO THE MAIN PROCESS -NOTTY: 0 ; NON-ZERO==> THIS MUDDLE HAS NO TTY -GCHAPN: 0 ; NON-ZERO A GC HAS HAPPENED RECENTLY -INTHLD: 0 ; NON-ZERO INTERRUPTS CANT HAPPEN -PURBOT: HIBOT ; BOTTOM OF DYNAMICALLY ALLOCATED PURE -PURTOP: HIBOT ; TOP OF DYNAMICALLY ALLOCATED PURE -SPCCHK: SETZ ; SPECIAL/UNSPECIAL CHECKING? -NOSHUF: 0 ; FLAG TO BUILD A NON MOVING HI SEG - -;PAGE MAP USAGE TABLE FOR MUDDLE -;EACH PAGE IS REPRESENTED BY ONE BIT IN THE TABLE -;IF BIT = 0 THEN PAGE IS FREE OTHERWISE BUSY -;FOR PAGE n USE BIT (n MOD 32.) IN WORD PMAP+n/32. -PMAP": -1 ;SECTION 0 -- BELONGS TO AGC - -1 ;SECTION 1 -- BELONGS TO AGC - -1 ;SECTION 2 -- BELONGS TO AGC - -1 ;SECTION 3 -- BELONGS TO AGC - -1 ;SECTION 4 -- BELONGS TO AGC - -1 ;SECTION 5 -- BELONGS TO AGC (DEPENDS ON HIBOT) - -1 ;SECTION 6 -- START OF PURE CORE (FILLED IN BY INITM) - -1 ;SECTION 7 -- LAST TWO PAGES BELONG TO AGC'S PAGE MAPPER - - -NINT==72. ; NUMBER OF POSSIBLE ITS INTERRUPTS -NASOCS==159. ; LENGTH OF ASSOCIATION VECTOR -PDLBUF==100 ; EXTRA INSURENCE PDL -ASOLNT==10 ; LENGTH OF ASSOCIATION BLOCKS - - -.GLOBAL PATCH,TBINIT,LERR,LPROG,PIDSTO,PROCID,PTIME,GCPDL,INTFLG,WTYP1,WTYP2 -.GLOBAL PAT,PDLBUF,INTINT,PARNEW,GCPVP,START,SWAP,ICR,SPBASE,TPBASE,GLOBAS,GLOBSP,TPBAS -.GLOBAL TOPLEVEL,INTNUM,INTVEC,INTOBL,ASOVEC,ERROBL,MAINPR,RESFUN,.BLOCK,ASOLNT,NODES -.GLOBAL WRONGT,TTYOPE,OPEN,CLOSE,IOT,ILVAL,MESS,FACTI,REFVEC,MUDOBL,INITIA -.GLOBAL LSTRES,BINDID,DUMNOD,PSTAT,1STEPR,IDPROC,EVATYP,APLTYP,PRNTYP,PURVEC,STOLST - - -VECTGO -TVBASE": BLOCK TVLNT - GENERAL - TVLNT+2,,0 -TVLOC==TVBASE - - - -;INITIAL TYPE TABLE - -TYPVLC": - BLOCK 2*NUMPRI+2 - GENERAL - 2*NUMPRI+2+2,,0 - -TYPTP==.-2 ; POINT TO TOP OF TYPES - -; INITIAL SYMBOL TABEL FOR RSUBRS - -SQULOC==. -SQUTBL: BLOCK 2*NSUBRS - TWORD,,0 - 2*NSUBRS+2,,0 - -INTVCL: BLOCK 2*NINT - TLIST,,0 - 2*NINT+2,,0 - -NODLST: TTP,,0 - 0 - TASOC,,0 - BLOCK ASOLNT-3 - GENERAL+ - ASOLNT+2,,0 - -NODDUM: BLOCK ASOLNT - GENERAL+ - ASOLNT+2,,0 - - - -ASOVCL: BLOCK NASOCS - TASOC,,0 - NASOCS+2,,0 - - - -;THESE ENTRIES MUST NOT MOVE DURING INITILAIZATION - -ADDTV TVEC,[-2*NUMPRI-2,,TYPVLC] -TYPVEC==TVOFF-1 - -ADDTV TVEC,[-2*NUMPRI-2,,TYPVLC] -TYPBOT==TVOFF-1 ; POINT TO CURRENT TOP OF TYPE VECTORS - -;ENTRY FOR ROOT,TTICHN,TTOCHN - -ADDTV TCHAN,0 -TTICHN==TVOFF-1 - -ADDTV TCHAN,0 -TTOCHN==TVOFF-1 - -ADDTV TOBLS,0 -ROOT==TVOFF-1 -ADDTV TOBLS,0 -INITIA==TVOFF-1 -ADDTV TOBLS,0 -INTOBL==TVOFF-1 -ADDTV TOBLS,0 -ERROBL==TVOFF-1 -ADDTV TOBLS,0 -MUDOBL==TVOFF-1 -ADDTV TVEC,0 -GRAPHS==TVOFF-1 -ADDTV TFIX,0 -INTNUM==TVOFF-1 -ADDTV TVEC,[-2*NINT,,INTVCL] -INTVEC==TVOFF-1 -ADDTV TUVEC,[-NASOCS,,ASOVCL] -ASOVEC==TVOFF-1 - -ADDTV TLIST,0 -CHNL0"==TVOFF-1 ;LIST FOR CURRENTLY OPEN PSUEDO CHANNELS - -IFN ITS,[ -DEFINE ADDCHN N - ADDTV TCHAN,0 - CHNL!N==TVOFF-1 - .GLOBAL CHNL!N - TERMIN - -REPEAT 15.,ADDCHN \.RPCNT+1 - -DEFINE ADDIPC N - ADDTV TLIST,0 - IPCS!N==TVOFF-1 - .GLOBAL IPCS!N - TERMIN - -REPEAT 15.,ADDIPC \.RPCNT+1 -] - -IFE ITS,[ -ADDTV TCHAN,0 -CHNL1==TVOFF-1 -.GLOBAL CHNL1 -REPEAT N.CHNS-1,[ADDTV TCHAN,0 -] -] - -ADDTV TASOC,[-ASOLNT,,NODLST] -NODES==TVOFF-1 - -ADDTV TASOC,[-ASOLNT,,NODDUM] -DUMNOD==TVOFF-1 - -ADDTV TVEC,0 -EVATYP==TVOFF-1 - -ADDTV TVEC,0 -APLTYP==TVOFF-1 - -ADDTV TVEC,0 -PRNTYP==TVOFF-1 - -; SLOTS ASSOCIATED WITH TEMPLATE DATA STRUCTURES - -ADDTV TUVEC,0 -TD.GET==TVOFF-1 - -ADDTV TUVEC,0 -TD.PUT==TVOFF-1 - -ADDTV TUVEC,0 -TD.LNT==TVOFF-1 - -ADDTV TUVEC,0 -TD.PTY==TVOFF-1 - - - -;GLOBAL SPECIAL PDL - -GSP: BLOCK GSPLNT - GENERAL - GSPLNT+2,,0 - -ADDTV TVEC,[-GSPLNT,,GSP] -GLOBASE==TVOFF-1 -GLOB==.-2 -ADDTV TVEC,GLOB -GLOBSP==TVOFF-1 ;ENTRY FOR CURRENT POINTER TO GLOBAL SP - -; POINTER VECTOR TO PURE SHARED RSUBRS - -PURV: BLOCK 3*20. ; ENOUGH FOR 20 SUCH (INITIALLY) - 0 - 3*20.+2,,0 - -ADDTV TUVEC,[-3*20.,,PURV] -PURVEC==TVOFF-1 - -ADDTV TLIST,0 -STOLST==TVOFF-1 - -;PROCESS VECTOR FOR GARBAGE COLLECTOR PROCESS - -GCPVP: BLOCK PVLNT*2 - GENERAL - PVLNT*2+2,,0 - - -VECRET - -PURE - -;INITIAL PROCESS VECTOR - -PVBASE": BLOCK PVLNT*2 - GENERAL - PVLNT*2+2,,0 -PVLOC==PVBASE - - -;ENTRY FOR PROCESS I.D. - - ADDPV TFIX,1,PROCID -;THE FOLLOWING IRP MAKES SPACE FO9 SAVED ACS - -ZZZ==. - -IRP A,,[0,A,B,C,D,E,PVP,TVP,AB,TB,TP,SP,M,R,P]B,,[0 -0,0,0,0,0,TPVP,TTVP,TAB,TTB,TTP,TSP,TCODE,TRSUBR,TPDL] - -LOC PVLOC+2*A -A!STO==.-PVBASE -B,,0 -0 -TERMIN - -PVLOC==PVLOC+16.*2 -LOC ZZZ - - -ADDPV TTB,0,TBINIT -ADDPV TTP,0,TPBASE -ADDPV TSP,0,SPBASE -ADDPV TPDL,0,PBASE -ADDPV 0,0,RESFUN -ADDPV TLIST,0,.BLOCK -ADDPV TLIST,0,MESS -ADDPV TACT,0,FACTI -ADDPV TPVP,0,LSTRES -ADDPV TFIX,0,BINDID -ADDPV TFIX,1,PSTAT -ADDPV TPVP,0,1STEPR -ADDPV TSP,0,CURFCN - - -IMPURE - -END - ;"TENEX VERSION" - - - - ;"wakeup on all but alpha, no echo" -MUDDLE-MOD ;"gunnasigned initially" - - - - -<PSEUDO <SET SFMOD #OPCODE *104000000110*>> ;"JSYS 110" -<PSEUDO <SET RFMOD #OPCODE *104000000107*>> ;"JSYS 107" -<DECLARE ("VALUE" WORD)> -<HRRZI A* -1> ;"controlling tty file desig" -<RFMOD> -<MOVSI A* TWORD> -<JRST FINIS> - -<TITLE TTY-SET> -<DECLARE ("VALUE" WORD <PRIMTYPE WORD>)> -<HRRZI A* -1> -<MOVE B* 1 (AB)> -<SFMOD> -<MOVE A* (AB)> -<MOVE B* 1 (AB)> -<JRST FINIS> - -<END> - -<DEFINE TTY-OFF () -<COND (<NOT <GASSIGNED? MUDDLE-MOD>> - <SETG MUDDLE-MOD <TTY-GET>>)> - <TTY-SET ,CALICO-MOD>> - -<DEFINE TTY-ON () -<COND (<NOT <GASSIGNED? MUDDLE-MOD>> - <SETG MUDDLE-MOD <TTY-GET>>) - (<TTY-SET ,MUDDLE-MOD>)>> - - -<ENDPACKAGE> - TITLE UUO HANDLER FOR MUDDLE AND HYDRA -RELOCATABLE -.INSRT MUDDLE > - -;GLOBALS FOR THIS PROGRAM - -.GLOBAL BACKTR,PRINT,PDLBUF,TPGROW,SPECSTO,TIMOUT,AGC,VECBOT,VECTOP -.GLOBAL BCKTRK,TPOVFL,.MONWR,.MONRD,.MONEX,MAKACT,IGVAL,ILVAL,BFRAME -.GLOBAL PURTOP,PURBOT,PLOAD,PURVEC,STOSTR,MSGTYP,UUOH,ILLUUO - -;SETUP UUO DISPATCH TABLE HERE - -UUOTBL: ILLUUO - -IRP UUOS,,[[DP,DODP],[.MCALL,DMCALL],[.ACALL,DACALL],[.ECALL,DECALL],[.FATAL,DFATAL]] -UUFOO==.IRPCNT+1 -IRP UUO,DISP,[UUOS] -.GLOBAL UUO -UUO=UUFOO_33 -DISP -.ISTOP -TERMIN -TERMIN - -REPEAT 100-UUFOO,[ILLUUO -] - - -RMT [ -IMPURE - -UUOH: -LOC 41 - JSR UUOH -LOC UUOH - 0 - JRST UUOPUR ;GO TO PURE CODE FOR THIS - -SAVEC: 0 ; USED TO SAVE WORKING AC -NOLINK: 0 - -PURE -] - -;SEPARATION OF PURE FROM IMPURE CODE HERE - -UUOPUR: MOVEM C,SAVEC ; SAVE AC - LDB C,[330900,,40] - JRST @UUOTBL(C) ;DISPATCH BASED ON THE UUO - - - -ILLUUO: FATAL ILLEGAL UUO - ;CALL HANDLER - -MQUOTE CALLER -CALLER: - -DMCALL": - MOVEI D,0 ; FLAG NOT ENTRY CALL - LDB C,[270400,,40] ; GET AC FIELD OF UUO -COMCAL: LSH C,1 ; TIMES 2 - MOVN AB,C ; GET NEGATED # OF ARGS - HRLI C,(C) ; TO BOTH SIDES - SUBM TP,C ; NOW HAVE TP TO SAVE - MOVEM C,TPSAV(TB) ; SAVE IT - MOVSI AB,(AB) ; BUILD THE AB POINTER - HRRI AB,1(C) ; POINT TO ARGS - HRRZ C,UUOH ; GET PC OF CALL - CAMG C,PURTOP ; SKIP IF NOT IN GC SPACE - CAIGE C,STOSTR ; SKIP IF IN GC SPACE - JRST .+3 - SUBI C,(M) ; RELATIVIZE THE PC - HRLI C,M ; FOR RETURNER TO WIN - MOVEM C,PCSAV(TB) - MOVEM SP,SPSAV(TB) ; SAVE BINDING GOODIE - MOVSI C,TENTRY ; SET UP ENTRY WORD - HRR C,40 ; POINT TO CALLED SR - ADD TP,[FRAMLN,,FRAMLN] ; ALLOCATE NEW FRAME - JUMPGE TP,TPLOSE -CALDON: MOVEM C,FSAV+1(TP) ; CLOBBER THE FRAME - MOVEM TB,OTBSAV+1(TP) - MOVEM AB,ABSAV+1(TP) ; FRAME BUILT - MOVEM P,PSAV(TB) - HRRI TB,(TP) ; SETUP NEW TB - MOVEI C,(C) - MOVEI M,0 ; UNSETUP M FOR GC WINNAGE - CAMG C,VECTOP ; SKIP IF NOT RSUBR - CAMGE C,VECBOT ; SKIP IF RSUBR - JRST CALLS - GETYP A,(C) ; GET CONTENTS OF SLOT - JUMPN D,EVCALL ; EVAL CALLING ENTRY ? - CAIE A,TRSUBR ; RSUBR CALLING RSUBR ? - JRST RCHECK ; NO - MOVE R,(C)+1 ; YES, SETUP R -CALLR0: HRRM R,FSAV+1(TB) ; FIXUP THE PROPER FSAV -CALLR1: AOS E,2(R) ; COUNT THE CALLS - TRNN E,-1 ; SKIP IF OK - JRST COUNT1 - - SKIPL M,(R)+1 ; SETUP M - JRST SETUPM ; JUMP IF A PURE RSUBR IN QUESTION - AOBJP TB,.+1 ; GO TO CALLED RSUBR - INTGO ; CHECK FOR INTERRUPTS - JRST (M) - -COUNT1: SOS 2(R) ; UNDO OVERFLOW - HLLZS 2(R) - JRST CALLR1 - -CALLS: AOBJP TB,.+1 ; GO TO CALLED SUBR - INTGO ; CHECK FOR INTERRUPTS - JRST @C - -; HERE TO HANDLE A PURE RSUBR (LOAD IF PUNTED OR OTHERWISE FLUSHED) - -SETUPM: MOVEI C,0 ; OFFSET (FOR MAIN ENTRIES) -STUPM1: MOVEI D,(M) ; GET OFFSET INTO CODE - HLRS M ; GET VECTOR OFFSET IN BOTH HALVES - ADD M,PURVEC+1(TVP) ; GET IT - SKIPL M - FATAL LOSING PURE RSUBR POINTER - HLLM TB,2(M) ; MARK FOR LRU ALGORITHM - SKIPN M,1(M) ; POINT TO CORE IF LOADED - AOJA TB,STUPM2 ; GO LOAD IT -STUPM3: ADDI M,(D) ; POINT TO REAL THING - HRLI C,M ; POINT TO START PC - AOBJP TB,.+1 - INTGO - JRST @C ; GO TO IT - -STUPM2: HLRZ A,1(R) ; SET UP TO CALL LOADER - PUSH P,D - PUSH P,C - PUSHJ P,PLOAD ; LOAD IT - JRST PCANT1 - POP P,C - POP P,D - MOVE M,B ; GET LOCATION - SOJA TB,STUPM3 - -RCHECK: CAIN A,TPCODE ; PURE RSUBR? - JRST .+3 - CAIE A,TCODE ; EVALUATOR CALLING RSUBR ? - JRST SCHECK ; NO - MOVS R,(C) ; YES, SETUP R - HRRI R,(C) - JRST CALLR1 ; GO FINISH THE RSUBR CALL - - -SCHECK: CAIE A,TSUBR ; RSUBR CALLING SUBR AS REFERENCE ? - CAIN A,TFSUBR - SKIPA C,(C)+1 ; SKIP AND GET ROUTINE'S ADDRESS - JRST ECHECK - HRRM C,FSAV+1(TB) ; FIXUP THE PROPER FSAV - JRST CALLS ; GO FINISH THE SUBR CALL - -ECHECK: CAIE A,TENTER ; SKIP IF SUB ENTRY OF RSUBR - JRST ACHECK ; COULD BE EVAL CALLING ONE - MOVE C,1(C) ; POINT TO SUB ENTRY BLOCK -ECHCK3: GETYP A,(C) ; SEE IF LINKED TO ITS MAIN ENTRY - MOVE B,1(C) - CAIN A,TRSUBR - JRST ECHCK2 - -; CHECK IF CAN LINK ATOM - - CAIE A,TATOM - JRST BENTRY ; LOSER , COMPLAIN -ECHCK4: MOVE B,1(C) ; GET ATOM - PUSH TP,$TVEC - PUSH TP,C - PUSHJ P,IGVAL ; TRY GLOBAL VALUE - MOVE C,(TP) - SUB TP,[2,,2] - CAMN A,$TUNBOU - JRST BADVAL - CAME A,$TRSUBR ; IS IT A WINNER - JRST BENTRY - SKIPE NOLINK - JRST ECHCK2 - HLLM A,(C) ; FIXUP LINKAGE - MOVEM B,1(C) - JRST ECHCK2 - -EVCALL: CAIN A,TATOM ; EVAL CALLING ENTRY? - JRST ECHCK4 ; COULD BE MUST FIXUP - CAIE A,TRSUBR ; YES THIS IS ONE - JRST BENTRY - MOVE B,1(C) -ECHCK2: MOVE R,B ; SET UP R - HRRM C,FSAV+1(TB) ; SET POINTER INTO FRAME - HRRZ C,2(C) ; FIND OFFSET INTO SAME - SKIPL M,1(R) ; POINT TO START OF RSUBR - JRST STUPM1 ; JUMP IF A LOSER - HRLI C,M - JRST CALLS ; GO TO SR - -ACHECK: CAIE A,TATOM ; RSUBR CALLING THROUGH REFERENCE ATOM ? - JRST DOAPP3 ; TRY APPLYING IT - MOVE A,(C) - MOVE B,(C)+1 - PUSHJ P,IGVAL - HRRZ C,40 ; REGOBBLE POINTER TO SLOT - GETYP 0,A ; GET TYPE - CAIN 0,TUNBOUND - JRST TRYLCL -SAVEIT: CAIE 0,TRSUBR - CAIN 0,TENTER - JRST SAVEI1 ; WINNER - CAIE 0,TSUBR - CAIN 0,TFSUBR - JRST SUBRIT - JRST BADVAL ; SOMETHING STRANGE -SAVEI1: SKIPE NOLINK - JRST .+3 - MOVEM A,(C) ; CLOBBER NEW VALUE - MOVEM B,(C)+1 - CAIN 0,TENTER - JRST ENTRIT ; HACK ENTRY TO SUB RSUBR - MOVE R,B ; SETUP R - JRST CALLR0 ; GO FINISH THE RSUBR CALL - -ENTRIT: MOVE C,B - JRST ECHCK3 - -SUBRIT: SKIPE NOLINK - JRST .+3 - MOVEM A,(C) - MOVEM B,1(C) - HRRM B,FSAV+1(TB) ; FIXUP THE PROPER FSAV - MOVEI C,(B) - JRST CALLS ; GO FINISH THE SUBR CALL - -TRYLCL: MOVE A,(C) - MOVE B,(C)+1 - PUSHJ P,ILVAL - GETYP 0,A - CAIE 0,TUNBOUND - JRST SAVEIT - SKIPA D,EQUOTE UNBOUND-VARIABLE -BADVAL: MOVEI D,0 -ERCAL: AOBJP TB,.+1 ; MAKE TB A LIGIT FRAME PNTR - MOVEI E,CALLER - HRRM E,FSAV(TB) ; SET A WINNING FSAV - HRRZ C,40 ; REGOBBLE POINTER TO SLOT - JUMPE D,DOAPPL - SUBI C,(R) ; CALCULATE OFFSET - HRLS C - ADD C,R ; MAKE INTO REAL RSUBR POINTER - PUSH TP,$TRSUBR ; SAVE - PUSH TP,C - HRRZ C,40 ; REGOBBLE POINTER TO SLOT - PUSH TP,$TATOM - PUSH TP,D - PUSH TP,(C) - PUSH TP,(C)+1 - PUSH TP,$TATOM - PUSH TP,MQUOTE CALLER - MCALL 3,ERROR - MOVE C,(TP) ; GET SAVED RSUBR POINTER - SUB TP,[2,,2] ; POP STACK - GETYP 0,A - HRRM C,40 - SOJA TB,SAVEIT - -BENTRY: MOVE D,EQUOTE BAD-ENTRY-BLOCK - JRST ERCAL - -;HANDLER FOR CALL WHERE SPECIFIES NUMBER OF ARGS - -DACALL": - LDB C,[270400,,40] ; GOBBLE THE AC LOCN INTO C - EXCH C,SAVEC ; C TO SAVE LOC RESTORE C - MOVE C,@SAVEC ; C NOW HAS NUMBER OF ARGS - MOVEI D,0 ; FLAG NOT E CALL - JRST COMCAL ; JOIN MCALL - -; CALL TO ENTRY FROM EVAL (LIKE ACALL) - -DECALL: LDB C,[270400,,40] ; GET NAME OF AC - EXCH C,SAVEC ; STORE NAME - MOVE C,@SAVEC ; C NOW HAS NUM OF ARGS - MOVEI D,1 ; FLAG THIS - JRST COMCAL - -;HANDLE OVERFLOW IN THE TP - -TPLOSE: PUSHJ P,TPOVFL - JRST CALDON - -; RSUBR HAS POSSIBLY BEEN REPLACED BY A FUNCTION OR WHATEVER, DO AN APPLY - -DOAPPL: PUSH TP,A ; PUSH THE THING TO APPLY - PUSH TP,B - MOVEI A,1 -DOAPP2: JUMPGE AB,DOAPP1 ; ARGS DONE - - PUSH TP,(AB) - PUSH TP,1(AB) - ADD AB,[2,,2] - AOJA A,DOAPP2 - -DOAPP1: ACALL A,APPLY ; APPLY THE LOSER - JRST FINIS - -DOAPP3: MOVE A,(C) ; GET VAL - MOVE B,1(C) - JRST BADVAL ; GET SETUP FOR APPLY CALL - -; ENTRY TO BUILD A FRAME (USED BY SOME COMPILED PROG/REPEAT) - -BFRAME: HRLI A,M ; RELATIVIZE PC - MOVEM A,PCSAV(TB) ; CLOBBER PC IN - MOVEM TP,TPSAV(TB) ; SAVE STATE - MOVEM SP,SPSAV(TB) - ADD TP,[FRAMLN,,FRAMLN] - SKIPL TP - PUSHJ TPOVFL ; HACK BLOWN PDL - MOVSI A,TCBLK ; FUNNY FRAME - HRRI A,(R) - MOVEM A,FSAV+1(TP) ; CLOBBER - MOVEM TB,OTBSAV+1(TP) - MOVEM AB,ABSAV+1(TP) - POP P,A ; RET ADDR TO A - MOVEM P,PSAV(TB) - HRRI TB,(TP) - AOBJN TB,.+1 - JRST (A) - ;SUBROUTINE TERMINATION CODE (NOT A UUO BUT HERE FOR COMPLETENENSS) - -FINIS: -CNTIN1: HRRZS C,OTBSAV(TB) ; RESTORE BASE - HRRI TB,(C) -CONTIN: MOVE TP,TPSAV(TB) ; START HERE FOR FUNNY RESTART - MOVE P,PSAV(TB) - CAME SP,SPSAV(TB) ; ANY RESTORATION NEEDED - PUSHJ P,SPECSTO ; YES, GO UNRAVEL THE WORLDS BINDINGS - MOVE AB,ABSAV(TB) ; AND GET OLD ARG POINTER - HRRZ C,FSAV(TB) ; CHECK FOR RSUBR - MOVEI M,0 ; UNSETUP M FOR GC WINNAGE - CAMG C,VECTOP - CAMGE C,VECBOT - JRST @PCSAV(TB) ; AND RETURN - GETYP 0,(C) ; RETURN TO MAIN OR SUB ENTRY? - CAIN 0,TCODE - JRST .+3 - CAIE 0,TPCODE - JRST FINIS1 - MOVS R,(C) - HRRI R,(C) ; RESET R - SKIPGE M,1(R) ; GET LOC OF REAL SUBR - JRST @PCSAV(TB) - JRST FINIS2 - -FINIS1: CAIE 0,TRSUBR - JRST FINISA ; MAY HAVE BEEN PUT BACK TO ATOM - MOVE R,1(C) - SKIPGE M,1(R) - JRST @PCSAV(TB) - -FINIS2: MOVEI C,(M) ; COMPUTE REAL M FOR PURE RSUBR - HLRS M - ADD M,PURVEC+1(TVP) - SKIPN M,1(M) ; SKIP IF LOADED - JRST FINIS3 - ADDI M,(C) ; POINT TO SUB PART - JRST @PCSAV(TB) - -FINIS3: PUSH TP,A - PUSH TP,B - HLRZ A,1(R) ; RELOAD IT - PUSHJ P,PLOAD - JRST PCANT - POP TP,B - POP TP,A - MOVE M,1(R) - JRST FINIS2 - -FINISA: CAIE 0,TATOM - JRST BADENT - PUSH TP,A - PUSH TP,B - PUSH TP,$TENTER - HRL C,(C) - PUSH TP,C - MOVE B,1(C) ; GET ATOM - PUSHJ P,IGVAL ; GET VAL - GETYP 0,A - CAIE 0,TRSUBR - JRST BADENT - MOVE C,(TP) - HLLM A,(C) - MOVEM B,1(C) - MOVE A,-3(TP) - MOVE B,-2(TP) - SUB TP,[4,,4] - JRST FINIS1 - -BADENT: PUSH TP,$TATOM - PUSH TP,EQUOTE RSUBR-ENTRY-UNLINKED - JRST CALER1 - -PCANT1: ADD TB,[1,,] -PCANT: PUSH TP,$TATOM - PUSH TP,EQUOTE PURE-LOAD-FAILURE - JRST CALER1 - -REPEAT 0,[ -BCKTR1: PUSH TP,A ; SAVE VALUE TO BE RETURNED - PUSH TP,B ; SAVE FRAME ON PP - PUSHJ P,BCKTRK - POP TP,B - POP TP,A - JRST CNTIN1 -] - -; SUBR TO ENABLE AND DISABLE LINKING OF RSUBRS AT RUN TIME - -MFUNCTION %RLINK,SUBR,[RSUBR-LINK] - - ENTRY 1 - - GETYP 0,(AB) - SETZM NOLINK - CAIN 0,TFALSE - SETOM NOLINK - MOVE A,(AB) - MOVE B,1(AB) - JRST FINIS - -;HANDLER FOR DEBUGGING CALL TO PRINT - -DODP": - PUSH TP, @40 - AOS 40 - PUSH TP,@40 - PUSH P,0 - PUSH P,1 - PUSH P,2 - PUSH P,SAVEC - PUSH P,4 - PUSH P,5 - PUSH P,40 - PUSH P,UUOH - MCALL 1,PRINT - POP P,UUOH - POP P,40 - POP P,5 - POP P,4 - POP P,3 - POP P,2 - POP P,1 - POP P,0 - JRST 2,@UUOH - - -DFATAL: MOVEM A,20 - MOVEM B,21 - MOVE B,40 - HRLI B,440700 - PUSHJ P,MSGTYP - JRST 4,. -END -  \ No newline at end of file