X-Git-Url: https://jxself.org/git/?a=blobdiff_plain;ds=sidebyside;f=%3Cmdl.int%3E%2Fmain.mid.351;fp=%3Cmdl.int%3E%2Fmain.mid.351;h=6b7ae6e2fe38e0de36cd4ceee7c809d53a01fc79;hb=bab072f950a643ac109660a223b57e635492ac25;hp=0000000000000000000000000000000000000000;hpb=233a3c5245f8274882cc9d27a3c20e9b3678000c;p=pdp10-muddle.git diff --git a//main.mid.351 b//main.mid.351 new file mode 100644 index 0000000..6b7ae6e --- /dev/null +++ b//main.mid.351 @@ -0,0 +1,2058 @@ +TITLE MAIN LOOP AND GLOBALLY REFERENCED SUBROUTINES + +RELOCA + +.GLOBAL TBINIT,PIDSTO,PROCID,PTIME,GCPDL,PBASE,TYPTOP,RERR,FRMSTK,EMERGE +.GLOBAL PDLBUF,INTINT,START,SWAP,ICR,SPBASE,TPBASE,TPBAS,CURPRI,CHFINI,MKTBS +.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,CPOPJ +.GLOBAL EVATYP,EVTYPE,APLTYP,APTYPE,PRNTYP,PRTYPE,AGC,SGSNAM,NAPT,APLQ,STRTO6 +.GLOBAL 6TOCHS,TYPFND,STBL,CHNL0,N.CHNS,CLOSAL,%LOGOUT,%SSNAM,%RSNAM,%KILLM,SAT +.GLOBAL MAKINF,%VALRET,COMPERR,IPUT,IGET,TMATCH,INITIZ,IPCINI,%UNAM,%JNAM,%RUNAM,%RJNAM,%RXUNA,%RXJNA,%VALFI +.GLOBAL NOTTY,DEMFLG,CFRAME,CARGS,CFUNCT,CITYPE,CTYPEQ,CPTYPE,CTYPEP,CUTYPE, +.GLOBAL CCHUTY,RTFALS,PGINT,PURCLN,CTYPEC,CTYPEW,IDVAL1,CALLTY,MESSAG,INITFL,WHOAMI +.GLOBAL %SLEEP,%HANG,%TOPLQ,ONINT,CHUNW,CURFCN,BUFRIN,TD.LNT,TD.GET,TD.AGC,TD.PUT,MPOPJ +.GLOBAL PURVEC,PLOAD,SSPECS,OUTRNG,CVTYPE,FSTART,CKVRS,CPRTYC,PVSTOR,SPSTOR +.GLOBAL TYPIC,CISET,LSTUF,IMPURI,REALTV +.INSRT MUDDLE > + +;MAIN LOOP AND STARTUP + +START: MOVEI 0,0 ; SET NO HACKS + JUMPE 0,START1 + TLNE 0,-1 ; SEE IF CHANNEL + JRST START1 + MOVE P,GCPDL + MOVE A,0 + PUSH P,A + PUSHJ P,CKVRS ; CHECK VERSION NUMBERS + POP P,A + JRST FSTART ; GO RESTORE +START1: 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: MOVE PVP,MAINPR + 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 + SETZB R,M ; RESET RSUBR AC'S + PUSHJ P,%RUNAM + JFCL + PUSHJ P,%RJNAM + PUSHJ P,TTYOPE ;OPEN THE TTY + MOVEI B,MUDSTR + SKIPE WHOAMI ; SKIP IF THIS IS MUDDLE + JRST NODEMT ; ELSE NO MESSAGE + SKIPE DEMFLG ; SKIP IF NOT DEMON + JRST NODEMT + SKIPN NOTTY ; IF NO TTY, IGNORE + PUSHJ P,MSGTYP ;TYPE OUT TO USER + +NODEMT: 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 PVP,PVSTOR+1 + 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 + HRRM E,-1(TB) + JRST CONTIN + + IMQUOTE TOPLEVEL +TOPLEVEL: + MCALL 0,LISTEN + JRST TOPLEVEL + + +IMFUNCTION 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 + + + +IMFUNCTION ERROR%,SUBR,ERROR + +RERR1: ENTRY + PUSH TP,$TATOM + PUSH TP,MQUOTE ERROR,ERROR,INTRUP + PUSHJ P,FRMSTK ; PUT ERROR'S FRAME ON STACK + MOVEI D,2 + MOVE C,AB +RERR2: JUMPGE C,RERR22 + PUSH TP,(C) + PUSH TP,1(C) + ADD C,[2,,2] + AOJA D,RERR2 +RERR22: ACALL D,EMERGENCY + JRST RERR + +IMQUOTE ERROR +RERR: ENTRY + PUSH P,[-1] ;PRINT ERROR FLAG + +ER1: MOVE B,IMQUOTE INCHAN + PUSHJ P,ILVAL ; CHECK INPUT CHANNEL IS SOME KIND OF TTY + GETYP A,A + CAIE A,TCHAN ; SKIP IF IT IS A CHANNEL + JRST ER2 ; NO, MUST REBIND + CAMN B,TTICHN+1 + JRST NOTINC +ER2: MOVE B,IMQUOTE INCHAN + MOVEI C,TTICHN ; POINT TO VALU + PUSHJ P,PUSH6 ; PUSH THE BINDING + MOVE B,TTICHN+1 ; GET IN CHAN +NOTINC: SKIPN DEMFLG ; SKIP IF DEMON + SKIPE NOTTY + JRST NOECHO + PUSH TP,$TCHAN + PUSH TP,B + PUSH TP,$TATOM + PUSH TP,IMQUOTE T + MCALL 2,TTYECH ; ECHO INPUT +NOECHO: MOVE B,IMQUOTE OUTCHAN + PUSHJ P,ILVAL ; GET THE VALUE + GETYP A,A + CAIE A,TCHAN ; SKIP IF OK CHANNEL + JRST ER3 ; NOT CHANNEL, MUST REBIND + CAMN B,TTOCHN+1 + JRST NOTOUT +ER3: MOVE B,IMQUOTE OUTCHAN + MOVEI C,TTOCHN + PUSHJ P,PUSH6 ; PUSH THE BINDINGS +NOTOUT: MOVE B,IMQUOTE OBLIST + PUSHJ P,ILVAL ; GET THE VALUE OF OBLIST + PUSHJ P,OBCHK ; IS IT A WINNER ? + SKIPA A,$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,PVSTOR+1 ; 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,$TAB + PUSH TP,C + MOVEI B,PRIN1 + GETYP A,(C) ; GET ARGS TYPE + CAIE A,TATOM + JRST ERROK + MOVE A,1(C) ; GET ATOM + HRRO A,2(A) + CAME A,[-1,,ERROBL+1] + CAMN A,ERROBL+1 ; DONT SKIP IF IN ERROR OBLIST + MOVEI B,PRINC ; DONT PRINT TRAILER +ERROK: PUSH P,B ; SAVE ROUTINE POINTER + PUSH TP,(C) + PUSH TP,1(C) + MCALL 0,TERPRI ; CRLF + POP P,B ; GET ROUTINE BACK + .MCALL 1,(B) + POP TP,C + SUB TP,[1,,1] + ADD C,[2,,2] ;BUMP SAVED AB + JRST ERRLP ;AND CONTINUE + + +LEVPRT: XCT INITFL ;LOAD MUDDLE INIT FILE IF FIRST TIME + MCALL 0,TERPRI + PUSH TP,$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 + MOVE PVP,PVSTOR+1 + 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 + PUSH TP,INITIAL+1 + PUSH TP,ROOT + PUSH TP,ROOT+1 + 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,IMQUOTE REP + PUSHJ P,ILVAL ;GET ITS LVAL TO SEE IF REDEFINED + GETYP C,A + CAIE C,TUNBOUND + JRST REPCHK + MOVE A,$TATOM ;SEE IF IT HAS GVAL SINCE NO LVAL + MOVE B,IMQUOTE REP + PUSHJ P,IGVAL + GETYP C,A + CAIN C,TUNBOUN + JRST IREPER +REPCHK: CAIN C,TSUBR + CAIE B,REPER + JRST .+2 + JRST IREPER +REREPE: PUSH TP,A + PUSH TP,B + GETYP A,-1(TP) + PUSHJ P,APLQ + JRST ERRREP + MCALL 1,APPLY ;LOOSER HAS REDEFINED SO CALL HIS + JRST MAINLP +IREPER: PUSH P,[0] ;INDICATE FALL THROUGH + JRST REPERF + +ERRREP: PUSH TP,[TATOM,,-1] + PUSH TP,IMQUOTE REP + PUSH TP,$TSUBR + PUSH TP,[REPER] + PUSH TP,[0] + PUSH TP,[0] + PUSHJ P,SPECBIN + PUSH TP,$TATOM + PUSH TP,EQUOTE NON-APPLICABLE-REP + PUSH TP,-11(TP) + PUSH TP,-11(TP) + MCALL 2,ERROR + SUB TP,[6,,6] + PUSHJ P,SSPECS + JRST REREPE + + +IMFUNCTION REPER,SUBR,REP +REPER: ENTRY 0 + PUSH P,[1] ;INDICATE DIRECT CALL +REPERF: MCALL 0,TERPRI + MCALL 0,READ + PUSH TP,A + PUSH TP,B + MOVE B,IMQUOTE L-INS + PUSHJ P,ILVAL ; ASSIGNED? + GETYP 0,A + CAIN 0,TLIST + + PUSHJ P,LSTTOF ; PUT LAST AS FIRST + MCALL 0,TERPRI + MCALL 1,EVAL + MOVE C,IMQUOTE LAST-OUT + PUSHJ P,CISET + PUSH TP,A + PUSH TP,B + MOVE B,IMQUOTE L-OUTS + PUSHJ P,ILVAL ; ASSIGNED? + GETYP 0,A + CAIN 0,TLIST + + CAME B,(TP) ; DONT STUFF IT INTO ITSELF + JRST STUFIT ; STUFF IT IN + GETYP 0,-1(TP) + CAIE 0,TLIST ; IF A LIST THE L-OUTS +STUFIT: PUSHJ P,LSTTOF ; PUT LAST AS FIRST + MCALL 1,PRIN1 + POP P,C ;FLAG FOR FALL THROUGH OR CALL + JUMPN C,FINIS ;IN CASE LOOSER CALLED REP + JRST MAINLP + +LSTTOF: SKIPN A,B + POPJ P, + + HRRZ C,(A) + JUMPE C,LSTTO2 + MOVEI D,(C) ; SAVE PTR TO 2ND ELEMENT + MOVEI 0,-1 ; LET THE LOSER LOSE (HA HA HA) + +LSTTO1: HRRZ C,(C) ; START SCAN + JUMPE C,GOTIT + HRRZ A,(A) + SOJG 0,LSTTO1 + +GOTIT: HRRZ C,(A) + HLLZS (A) + CAIE D,(C) ; AVOID CIRCULARITY + HRRM D,(C) + HRRM C,(B) + MOVE D,1(B) + MOVEM D,1(C) + GETYP D,(B) + PUTYP D,(C) + +LSTTO2: MOVSI A,TLIST + MOVE C,-1(TP) + MOVE D,(TP) + JRST LSTUF + +;FUNCTION TO RETRY A PREVIOUS FUNCTION CALL + +MFUNCTION RETRY,SUBR + + ENTRY + JUMPGE AB,RETRY1 ; USE MOST RECENT + CAMGE AB,[-2,,0] + JRST TMA + GETYP A,(AB) ; CHECK TYPE + CAIE A,TFRAME + JRST WTYP1 + MOVEI B,(AB) ; POINT TO ARG + JRST RETRY2 +RETRY1: MOVE B,IMQUOTE LER,[LERR ]INTRUP + PUSHJ P,ILOC ; LOCATIVE TO FRAME +RETRY2: PUSHJ P,CHFSWP ; CHECK VALIDITY AND SWAP IF NECESSARY + HRRZ 0,OTBSAV(B) ; CHECK FOR TOP + JUMPE 0,RESTAR ; YES RE-ENTER TOP LEVEL + PUSH TP,$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 + CAIL C,HIBOT + 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 + 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: HRL C,(C) ; FIX LH + 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 RETRN4 + +RETRN2: ERRUUO EQUOTE CANT-RETRY-ENTRY-GONE + +RETRER: ERRUUO EQUOTE PURE-LOAD-FAILURE + + +;FUNCTION TO DO ERROR RETURN + +IMFUNCTION 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 + +IMFUNCTION 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,PVSTOR+1 ; 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,PVSTOR+1 ; 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 + 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 + CAIL A,HIBOT + 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: + ERRUUO EQUOTE FRAME-NO-LONGER-EXISTS + + +TOPLOSE: + ERRUUO EQUOTE TOP-LEVEL-FRAME + + + + +; ROUTINE TO HANG INDEFINITELY WITH INTERRUPTS ENABLED + +MFUNCTION HANG,SUBR + + ENTRY + + JUMPGE AB,HANG1 ; NO PREDICATE + CAMGE AB,[-3,,] + JRST TMA + PUSH TP,(AB) + PUSH TP,1(AB) + PUSHJ P,CHKPRD +REHANG: MOVE A,[PUSHJ P,CHKPRH] + MOVEM A,ONINT ; CHECK PREDICATE AFTER ANY INTERRUPT +HANG1: ENABLE ;LET OURSELVES BE INTERRUPTED OUT + PUSHJ P,%HANG + DISABLE ;PREVENT INTERRUPTS AT RANDOM TIMES + SETZM ONINT + MOVE A,$TATOM + MOVE B,IMQUOTE 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) + PUSHJ P,CHKPRD +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,$TATOM + MOVE B,IMQUOTE T + JRST FINIS + +CHKPRH: PUSH P,B + MOVEI B,HANGP + JRST .+3 + +CHKPRS: PUSH P,B + MOVEI B,SLEEPP + HRRM B,LCKINT + SETZM ONINT ; TURN OFF FEATURE FOR NOW + POP P,B + POPJ P, + +HANGP: SKIPA B,[REHANG] +SLEEPP: MOVEI B,RESLEE + PUSH P,B +CHKPRD: PUSH P,A + DISABLE + PUSH TP,(TB) + PUSH TP,1(TB) + MCALL 1,EVAL + GETYP 0,A + CAIE 0,TFALSE + JRST FINIS + POP P,A + POPJ P, + +MFUNCTION VALRET,SUBR +; SUBR TO VALRET A STRING TO SUPERIOR ITS PROCESS + + ENTRY 1 + GETYP A,(AB) ; GET TYPE OF ARGUMENT + CAIN A,TFIX ; FIX? + JRST VALRT1 + CAIE A,TCHSTR ; IS IT A CHR STRING? + JRST WTYP1 ; NO...ERROR WRONG TYPE + PUSHJ P,CSTACK ; COPY THE CHR STRING TO THE STACK + ; CSTACK IS IN ATOMHK + MOVEI B,0 ; ASCIZ TERMINATOR + EXCH B,(P) ; STORE AND RETRIEVE COUNT + +; CALCULATE THE BEGINNING ADDR OF THE STRING + MOVEI A,-1(P) ; GET ADDR OF TOP OF STACK + SUBI A,-1(B) ; GET STARTING ADDR + PUSHJ P,%VALRE ; PASS UP TO MONITOR + JRST IFALSE ; IF HE RETURNS, RETURN FALSE + +VALRT1: MOVE A,1(AB) + PUSHJ P,%VALFI + JRST IFALSE + +MFUNCTION LOGOUT,SUBR + +; SUBR TO DO A .LOGOUT (VALID ONLY AT TOP LEVEL) + ENTRY 0 + PUSHJ P,%TOPLQ ; SKIP IF AT TOP LEVEL + JRST IFALSE + PUSHJ P,CLOSAL + PUSHJ P,%LOGOUT ; TRY TO FLUSH + JRST IFALSE ; COULDN'T DO IT...RETURN FALSE + +; FUNCTS TO GET UNAME AND JNAME + +; GET XUNAME (REAL UNAME) +MFUNCTION XUNAME,SUBR + + ENTRY 0 + + PUSHJ P,%RXUNA + JRST RSUJNM + JRST FINIS ; 10X ROUTINES SKIP + +MFUNCTION UNAME,SUBR + + ENTRY 0 + + PUSHJ P,%RUNAM + JRST RSUJNM + JRST FINIS + +; REAL JNAME +MFUNCTION XJNAME,SUBR + + ENTRY 0 + + PUSHJ P,%RXJNA + JRST RSUJNM + +MFUNCTION JNAME,SUBR + + ENTRY 0 + + PUSHJ P,%RJNAM + JRST RSUJNM + +; FUNCTION TO SET AND READ GLOBAL SNAME + +MFUNCTION SNAME,SUBR + + ENTRY + + JUMPGE AB,SNAME1 + CAMG AB,[-3,,] + JRST TMA + GETYP A,(AB) ; ARG MUST BE STRING + CAIE A,TCHSTR + JRST WTYP1 + PUSH TP,$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,$TCHSTR + MOVE B,CHQUOTE + JRST FINIS + +RSUJNM: PUSHJ P,6TOCHS ; CONVERT IT + JRST FINIS + + +SGSNAM: MOVE B,IMQUOTE SNM + PUSHJ P,IDVAL1 + GETYP 0,A + CAIE 0,TCHSTR + JRST SGSN1 + + PUSH TP,A + PUSH TP,B + PUSHJ P,STRTO6 + POP P,A + SUB TP,[2,,2] + JRST .+2 + +SGSN1: MOVEI A,0 + PUSHJ P,%SSNAM ; SET SNAME IN SYSTEM + POPJ P, + + + +;THIS SUBROUTINE ALLOCATES A NEW PROCESS +;TAKES TP-STACK SIZE (2*WORDS) IN A AND P-STACK SIZE (WORDS) IN B +;IS CALLED BY PUSHJ P,. RETURNS IN A AND B A NEW PROCESS. + +ICR: PUSH P,A + PUSH P,B + MOVEI A,PVLNT ;SETUP CALL TO VECTOR FOR PVP + PUSHJ P,IVECT ;GOBBLE A VECTOR + HRLI C,PVBASE ;SETUP A BLT POINTER + HRRI C,(B) ;GET INTO ADDRESS + BLT C,PVLNT*2-1(B) ;COPY A PROTOTYPE INTO NEW PVP + MOVSI C,400000+SPVP+.VECT. ;SET SPECIAL TYPE + MOVEM C,PVLNT*2(B) ;CLOBBER IT IN + PUSH TP,A ;SAVE THE RESULTS OF VECTOR + PUSH TP,B + + PUSH TP,$TFIX ;GET A UNIFORM VECTOR + POP P,B + PUSH TP,B + 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) + + + POP P,A ;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 + 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,$TFIX + PUSH TP,A + MCALL 1,VECTOR ;GOBBLE THE VECTOR + POPJ P, + + +;SUBROUTINE TO SWAP A PROCESS IN +;CALLED WITH JSP A,SWAP AND NEW PVP IN B + +SWAP: ;FIRST STORE ALL THE ACS + + MOVE PVP,PVSTOR+1 + MOVE SP,$TSP ; STORE SPSAVE + MOVEM SP,SPSTO(PVP) + MOVE SP,SPSTOR+1 + IRP A,,[SP,AB,TB,TP,P,M,R,FRM] + 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 + MOVEM PVP,PVSTOR+1 + +SWAPIN: + ;NOW RESTORE NEW PROCESSES AC'S + + MOVE PVP,PVSTOR+1 + IRP A,,[AB,TB,SP,TP,P,M,R,FRM] + MOVE A,A!STO+1(PVP) + TERMIN + + SETZM SPSTO(PVP) + MOVEM SP,SPSTOR+1 + JRST (C) ;AND RETURN + + + + +;SUBRS ASSOCIATED WITH TYPES + +;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: ERRUUO EQUOTE TYPE-UNDEFINED + +CITYPE: GETYP A,A ; GET TYPE FOR COMPILER CALL +ITYPE: LSH A,1 ;TIMES 2 + HRLS A ;TO BOTH SIDES + ADD A,TYPVEC+1 ;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,IMQUOTE 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,TYPFND ; search type vector + JRST CTPEC2 ; create the poor loser + POP P,B + CAMN B,IMQUOTE ANY + JRST CTPEC1 + CAMN B,IMQUOTE TEMPLATE + JRST TCHK + 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, +TCHK: PUSH P,D ; SAVE TYPE + MOVE A,D ; GO TO SAT + PUSHJ P,SAT + CAIG A,NUMSAT ; SKIP IF A TEMPLATE + JRST TYPDIF + POP P,D ; RESTORE TYPE + JRST CTPEC1 + +CTPEC2: POP P,C ; GET BACK PRIMTYPE + SUBM M,(P) + PUSH TP,$TATOM + PUSH TP,B + CAMN C,IMQUOTE ANY + JRST CTPEC3 + PUSH TP,$TATOM + PUSH TP,C + MCALL 2,NEWTYPE ; CREATE THE POOR GUY + MOVE C,IMQUOTE ANY + SUBM M,(P) ; UNRELATIVIZE + JRST CTYPEC + +CTPEC3: HRRZ 0,FSAV(TB) + CAIE 0,%TYPEC + CAIN 0,%TYPEW + JRST TYPERR + + MCALL 1,%TYPEC + JRST MPOPJ + +MFUNCTION %TYPEW,SUBR,[TYPE-W] + + ENTRY + + JUMPGE AB,TFA + GETYP 0,(AB) + CAIE 0,TATOM + JRST WTYP1 + MOVEI D,0 + MOVE C,IMQUOTE 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 +CTYPW5: 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 CTYPW5 + +CTYPEW: PUSH P,D + PUSHJ P,CTYPEC ; GET CODE IN B + POP P,B + HRLI B,(D) + MOVSI A,TTYPEW + POPJ P, + +MFUNCTION %VTYPE,SUBR,[VALID-TYPE?] + + ENTRY 1 + + GETYP 0,(AB) + CAIE 0,TATOM + JRST WTYP1 + MOVE B,1(AB) + + PUSHJ P,CVTYPE + JFCL + JRST FINIS + +CVTYPE: PUSHJ P,TYPFND ; LOOK IT UP + JRST PFALS + + MOVEI B,(D) + MOVSI A,TTYPEC + JRST CPOPJ1 + +PFALS: MOVEI B,0 + MOVSI A,TFALSE + POPJ P, + +;PRIMTTYPE RETURNS THE TYPE ATOM OF A PRIMITIVE TYPE IN A CLASS + +STBL: REPEAT NUMSAT,SETZ 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],[OFFS,OFFSET,1] +[PVP,PROCESS,1],[ASOC,ASOC,1],[LOCA,LOCA],[LOCS,LOCS],[LOCU,LOCU],[LOCV,LOCV] +[LOCL,LOCL],[LOCN,LOCAS],[LOCT,LOCT,1],[LOCR,LOCR],[LOCB,LOCB,1],[BYTE,BYTES,1]] +IRP B,C,[A] +LOC STBL+S!B +IRP X,Y,[C] +IFSE [Y],SETZ IMQUOTE X +IFSN [Y],SETZ MQUOTE X +.ISTOP +TERMIN +.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 PTSATC,SUBR,[PRIMTYPE-C] + + ENTRY 1 + + GETYP A,(AB) + CAIE A,TATOM + JRST WTYP1 + MOVE B,1(AB) + PUSHJ P,CPRTYC + JRST FINIS + +CPRTYC: PUSHJ P,TYPLOO + MOVE B,(A) + ANDI B,SATMSK + MOVSI A,TSATC + POPJ P, + + +IMFUNCTION 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,IMQUOTE 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 + +IMFUNCTION 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: ERRUUO EQUOTE FIRST-ELEMENT-OF-VECTOR-NOT-CODE + +; ROUTINE TO GENERATE ENTRYY OTHER THAN FIRST TO RSUBRR + +IMFUNCTION 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 C,1(AB) ; RESTORE B + MOVEM A,(C) + MOVEM B,1(C) + MOVE B,C + JRST MENTR2 + +BENTRY: ERRUUO EQUOTE BAD-VECTOR + +; 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 + HRLI 0,400000 ; DONT LOSE IN MULTI SEG MODE + + PUSHJ P,@0 ;GO TO THE PROPER SUBROUTINE + SUBM M,(P) ;RECONSTITUTE THE RSUBR's PC + POPJ P, + + + +;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" + CAMN 0,IMQUOTE TEMPLATE + JRST CHTMP1 + TLNN E,-1 ; SKIP IF RESTED + CAIE A,(B) + JRST TYPDIF + JRST CHTMP1 + +CHMATC: PUSH TP,A + PUSH TP,1(AB) ; SAVE GOODIE + MOVSI A,TATOM + MOVE B,3(AB) + MOVSI C,TATOM + MOVE D,IMQUOTE DECL + PUSHJ P,IGET ; FIND THE DECL + PUSH TP,A + PUSH TP,B + MOVE C,(AB) + MOVE D,1(AB) ; NOW GGO TO MATCH + PUSHJ P,TMATCH + JRST CHMAT1 + SUB TP,[2,,2] +CHMAT2: POP TP,B + POP TP,A + JRST FINIS + +CHMAT1: POP TP,B + POP TP,A + MOVE C,-1(TP) + MOVE D,(TP) + PUSHJ P,TMATCH + JRST TMPLVI + JRST CHMAT2 + +TYPLOO: PUSHJ P,TYPFND + ERRUUO EQUOTE BAD-TYPE-NAME + POPJ P, + +TYPFND: HLRE A,B ; FIND DOPE WORDS + SUBM B,A ; A POINTS TO IT + HRRE D,(A) ; TYPE-CODE TO D + JUMPE D,CPOPJ + ANDI D,TYPMSK ; FLUSH FUNNY BITS + MOVEI A,(D) + ASH A,1 + HRLI A,(A) + ADD A,TYPVEC+1 +CPOPJ1: AOS (P) + POPJ P, + + +REPEAT 0,[ + MOVE A,TYPVEC+1 ;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: ERRUUO EQUOTE STORAGE-TYPES-DIFFER + + +TMPLVI: ERRUUO EQUOTE DECL-VIOLATION + + +; 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 + ANDI A,SATMSK + 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 A,SATMSK + ANDI 0,SATMSK + CAIN 0,(A) ; SKIP IF LOSER + JRST NEWTFN ; O.K. + + ERRUUO EQUOTE TYPE-ALREADY-EXISTS + +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,IMQUOTE 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 ; CHECK GROWTH NEED + CAMGE C,TYPVEC+1 + JRST ADDIT ; STILL ROOM +GAGN: PUSHJ P,IGROWB ; SETUP BOTTOM GROWTH + SKIPE C,EVATYP+1 + PUSHJ P,IGROWT ; SET UP TOP GROWTH + SKIPE C,APLTYP+1 + PUSHJ P,IGROWT + SKIPE C,PRNTYP+1 + 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 ; FIX UP POINTER + +ADDIT: MOVE C,TYPVEC+1 + SUB C,[2,,2] ; ALLOCATE ROOM + MOVEM C,TYPVEC+1 + 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) + HLRE C,TYPVEC+1 ; GET CODE + MOVNS C + ASH C,-1 + SUBI C,1 + MOVE D,-1(B) ; B HAS POINTER TO TYPE VECTOR DOPE WORDS + MOVEI 0,(D) + CAIG 0,HIBOT ; IS ATOM PURE? + JRST ADDNOI ; NO, SO NO HACKING REQUIRED + PUSH P,C + MOVE B,D + PUSHJ P,IMPURIF ; DO IMPURE OF ATOM + MOVE C,TYPVEC+1 + HLRE B,C + SUBM C,B ; RESTORE B + POP P,C + MOVE D,-1(B) ; RESTORE D +ADDNOI: HLRE A,D + SUBM D,A + TLO C,400000 + HRRM C,(A) ; INTO "GROWTH" FIELD + POPJ P, + + +; Interface to interpreter for setting up tables associated with +; template data structures. +; A/ <-name of type>- +; B/ <-length ins>- +; C/ <-uvector of garbage collector code or 0> +; D/ <-uvector of GETTERs>- +; E/ <-uvector of PUTTERs>- + +CTMPLT: SUBM M,(P) ; could possibly gc during this stuff + PUSH TP,$TATOM ; save name of type + PUSH TP,A + PUSH P,B ; save length instr + HLRE A,TD.LNT+1 ; check for template slots left? + HRRZ B,TD.LNT+1 + SUB B,A ; point to dope words + HLRZ B,1(B) ; get real length + ADDI A,-2(B) + JUMPG A,GOODRM ; jump if ok + + PUSH TP,$TUVEC ; save getters and putters + PUSH TP,C + PUSH TP,$TUVEC ; save getters and putters + PUSH TP,D + PUSH TP,$TUVEC + PUSH TP,E + MOVEI A,10-2(B) ; grow it 10 by copying remember d.w. length + 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 ; prepare to BLT in + MOVEM B,TD.LNT+1 ; and save as new length vector + HRRI C,(B) ; destination + ADD B,(P) ; final destination address + BLT C,-12(B) + MOVE A,(P) ; length for new getters + PUSHJ P,CAFRE1 + HRL C,TD.GET+1 ; get old for copy + MOVEM B,TD.GET+1 + PUSHJ P,DOBLTS ; go fixup new uvector + MOVE A,(P) ; finally putters + PUSHJ P,CAFRE1 + HRL C,TD.PUT+1 + MOVEM B,TD.PUT+1 + PUSHJ P,DOBLTS ; go fixup new uvector + MOVE A,(P) ; finally putters + PUSHJ P,CAFRE1 + HRL C,TD.AGC+1 + MOVEM B,TD.AGC+1 + PUSHJ P,DOBLTS ; go fixup new uvector + SUB P,[1,,1] ; flush stack craft + MOVE E,(TP) + MOVE D,-2(TP) + MOVE C,-4(TP) ;GET TD.AGC + SUB TP,[6,,6] + +GOODRM: MOVE B,TD.LNT+1 ; move down to fit new guy + SUB B,[1,,1] ; will always win due to prev checks + MOVEM B,TD.LNT+1 + HRLI B,1(B) + HLRE A,TD.LNT+1 + 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 + MOVNS A ; A/ offset for other guys + PUSH P,A ; save it + ADD A,TD.GET+1 ; point for storing uvs of ins + MOVEM D,-1(A) + MOVE A,(P) + ADD A,TD.PUT+1 + MOVEM E,-1(A) ; store putter also + MOVE A,(P) + ADD A,TD.AGC+1 + MOVEM C,-1(A) ; store putter also + POP P,A ; compute primtype + ADDI A,NUMSAT + PUSH P,A + MOVE B,(TP) ; ready to mung type vector + SUB TP,[2,,2] + PUSHJ P,TYPFND ; CHECK TO SEE WHETHER TEMPLATE EXISTS + JRST NOTEM + POP P,C ; GET SAT + HRRM C,(A) + JRST MPOPJ +NOTEM: POP P,A ; RESTORE SAT + HRLI A,TATOM ; GET TYPE + PUSHJ P,INSNT ; INSERT INTO VECTOR + JRST MPOPJ + +; this routine copies GET and PUT vectors into new ones + +DOBLTS: HRRI C,(B) + ADD B,-1(P) + BLT C,-11(B) ; zap those guys in + MOVEI A,TUVEC ; mung in uniform type + PUTYP A,(B) + MOVEI C,-7(B) ; zero out remainder of uvector + HRLI C,-10(B) + SETZM -1(C) + BLT C,-1(B) + POPJ P, + + +; FUNCTIONS TO SET UP EVALUATION AND APPLICATION RULES FOR DATA TYPES + +MFUNCTION EVALTYPE,SUBR + + ENTRY + + PUSHJ P,CHKARG ; VERIFY WINNAGE IN ARGS + MOVEI A,EVATYP ; POINT TO TABLE + MOVEI E,EVTYPE ; POINT TO PURE VERSION + MOVEI 0,EVAL +TBLCAL: PUSHJ P,TBLSET ; SETUP TABLE ENTRY + JRST FINIS + +MFUNCTION APPLYTYPE,SUBR + + ENTRY + + PUSHJ P,CHKARG + MOVEI A,APLTYP ; POINT TO APPLY TABLE + MOVEI E,APTYPE ; PURE TABLE + MOVEI 0,APPLY + JRST TBLCAL + + +MFUNCTION PRINTTYPE,SUBR + + ENTRY + + PUSHJ P,CHKARG + MOVEI A,PRNTYP ; POINT TO APPLY TABLE + MOVEI E,PRTYPE ; PURE TABLE + MOVEI 0,PRINT + JRST TBLCAL + +; CHECK ARGS AND SETUP FOR TABLE HACKER + +CHKARG: JUMPGE AB,TFA + CAMGE AB,[-5,,] + JRST TMA + 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. + MOVEI D,-1 ; INDICATE FUNNYNESS + CAML AB,[-3,,] ; SKIP IF 2 OR MORE + JRST TY1AR + 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 +TY1AR: 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: PUSH TP,B + PUSH TP,D ; SAVE VALUE + PUSH TP,$TFIX + 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 + MOVE B,-2(TP) ; CHECK FOR RETURN IT HACK + SKIPN -3(TP) + CAIE B,-1 + JRST .+2 + JRST RETPM2 + HLRE A,TYPBOT+1 ; GET CURRENT TABLE LNTH + MOVNS A + ASH A,-1 + PUSH P,0 + PUSHJ P,IVECT ; GET VECTOR + POP P,0 + 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 + CAIN D,-1 + JRST TBLOK1 + 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) + CAIN D,-1 + JRST RETCUR + 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: CAIN 0,(D) ; SKIP ON RESET + SETZB A,D + MOVEM A,(C) ; STORE + MOVEM D,1(C) +RETAR1: 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 + +RETPM2: SUB TP,[4,,4] + SUB P,[2,,2] + ASH C,1 + SOJA E,RETPM4 + +RETCUR: SKIPN A,(C) + SKIPE 1(C) + SKIPA B,1(C) + JRST RETPRM + + JUMPN A,CPOPJ +RETPM1: MOVEI A,0 + JUMPL B,RTFALS + CAMN B,1(E) + JRST .+3 + ADDI A,2 + AOJA E,.-3 + +RETPM3: ADD A,TYPVEC+1 + MOVE B,3(A) + MOVE A,2(A) + POPJ P, + +RETPRM: SUBI C,(B) ; UNDO BADNESS +RETPM4: CAIG C,NUMPRI*2 + SKIPG 1(E) + JRST RTFALS + + MOVEI A,-2(C) + JRST RETPM3 + +CALLTY: MOVE A,TYPVEC + MOVE B,TYPVEC+1 + POPJ P, + +MFUNCTION ALLTYPES,SUBR + + ENTRY 0 + + MOVE A,TYPVEC + MOVE B,TYPVEC+1 + 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 + SKIPGE MKTBS(B) + JRST CANTCH + 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: ADDI D,.VECT. + 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: MOVEI B,CHNL0+2 ; POINT TO 1ST (NOT INCLUDING TTY I/O) + MOVE PVP,PVSTOR+1 + MOVE TVP,REALTV+1(PVP) + SUBI B,(TVP) + HRLS B + ADD B,TVP + PUSH TP,$TVEC + PUSH TP,B + PUSH P,[N.CHNS-1] ; MAX NO. OF CHANS + +CLOSA1: MOVE B,(TP) + ADD B,[2,,2] + MOVEM B,(TP) + HLLZS -2(B) + SKIPN C,-1(B) ; THIS ONE OPEN? + JRST CLOSA4 ; NO + CAME C,TTICHN+1 + CAMN C,TTOCHN+1 + JRST CLOSA4 + PUSH TP,-2(B) ; PUSH IT + PUSH TP,-1(B) + MCALL 1,FCLOSE ; CLOSE IT +CLOSA4: SOSLE (P) ; COUNT DOWN + JRST CLOSA1 + + + SUB TP,[2,,2] + SUB P,[1,,1] + +CLOSA3: SKIPN B,CHNL0+1 + POPJ P, + PUSH TP,(B) + HLLZS (TP) + PUSH TP,1(B) + HRRZ B,(B) + MOVEM B,CHNL0+1 + MCALL 1,FCLOSE + JRST CLOSA3 + + +IMPURE + +WHOAMI: 0 ; SYAYS WHETHER I AM REALLY A MUDDLE OR SOME HACK + + +;GARBAGE COLLECTORS PDLS + + +GCPDL: -GCPLNT,,GCPDL + + BLOCK GCPLNT + + +PURE + +MUDSTR: ASCII /MUDDLE / +STRNG: -1 + -1 + -1 + ASCIZ / IN OPERATION./ + +;MARKED PDLS FOR GC PROCESS + +VECTGO +; DUMMY FRAME FOR INITIALIZER CALLS + + TENTRY,,LISTEN + 0 + .-3 + 0 + 0 + -ITPLNT,,TPBAS-1 + 0 + +TPBAS: BLOCK ITPLNT+PDLBUF + GENERAL + ITPLNT+2+PDLBUF+7,,0 + + +VECRET + + +$TMATO: TATOM,,-1 + +END + \ No newline at end of file