Machine-Independent MDL for TOPS-20 and VAX.

[pdp10-muddle.git] / mim / development / mim / 20c / disp20.mud

diff --git a/mim/development/mim/20c/disp20.mud b/mim/development/mim/20c/disp20.mud
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+++ b/mim/development/mim/20c/disp20.mud
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+<DEFINE DISPATCH!-MIMOC (L
+                        "AUX" (VAR <1 .L>) (BASE <2 .L>) DELBL AC (DF <>)
+                              (DLBL <GENLBL "DISP">) RLBLS (LL .MIML) NEW AC-T
+                              TAC (NV <- <LENGTH .L> 2>) (DISP-L ()))
+       #DECL ((LL MIML L) LIST (BASE NV) FIX (DISP-L) <SPECIAL LIST>)
+       <SET RLBLS
+            <MAPF ,LIST
+                  <FUNCTION (LBL "AUX" LB LBX) 
+                          <COND (<AND <SET LB <FIND-LABEL .LBL>>
+                                      <LAB-LOOP .LB>>
+                                 <COND (<NOT <FIND-LABEL
+                                              <SET LBX <GENLBL "LOOPD">>>>
+                                        <MAKE-LABEL .LBX <> ()>)>
+                                 (.LBL .LBX))
+                                (ELSE (.LBL .LBL))>>
+                  <REST .L 2>>>
+       <SET DISP-L <MAPF ,LIST <FUNCTION (L:LIST) <2 .L>> .RLBLS>>
+       <REPEAT (ITM)
+               <COND (<OR <EMPTY? <SET LL <REST .LL>>>
+                          <AND <TYPE? <SET ITM <1 .LL>> FORM>
+                               <OR <EMPTY? .ITM> <N==? <1 .ITM> DEAD>>>>
+                      <RETURN>)
+                     (<TYPE? .ITM ATOM>
+                      <SET DELBL .ITM>
+                      <SET DF T>
+                      <RETURN>)>>
+       <COND (<SET AC <IN-AC? .VAR BOTH>> <SET AC <NEXT-AC <SET TAC .AC>>>)
+             (<SET AC <IN-AC? .VAR VALUE>>)
+             (ELSE <SET AC <NEXT-AC <SET TAC <LOAD-AC .VAR BOTH>>>>)>
+       <COND (<NOT .DF>
+              <SET DELBL <GENLBL "DEFAULT">>
+              <COND (<NOT <FIND-LABEL .DELBL>>
+                     <MAKE-LABEL .DELBL <> ()>)>)>
+       <LABEL-UPDATE-ACS .DELBL <>>
+       <COND (<AND <G=? .BASE 0> <L=? .BASE 1>>
+              <OCEMIT <COND (<==? .BASE 0> JUMPL) (ELSE JUMPLE)>
+                      .AC
+                      <XJUMP .DELBL>>
+              <OCEMIT CAILE .AC <+ .NV .BASE -1>>
+              <OCEMIT JRST O* <XJUMP .DELBL>>)
+             (ELSE
+              <COND (<G? .BASE 0> <OCEMIT CAIL .AC .BASE>)
+                    (ELSE <OCEMIT CAML .AC !<OBJ-VAL .BASE>>)>
+              <COND (<G? <SET NV <+ .NV .BASE -1>> 0> <OCEMIT CAILE .AC .NV>)
+                    (ELSE <OCEMIT CAMLE .AC !<OBJ-CAL .NV>>)>
+              <OCEMIT JRST O* <XJUMP .DELBL>>)>
+       <OCEMIT XMOVEI O1* <XJUMP .DLBL>>
+       <OCEMIT ADD O1* .AC>
+       <MAPF <> <FUNCTION (LBL) <LABEL-UPDATE-ACS <2 .LBL> <>>> .RLBLS>
+       <SETG LAST-UNCON T>
+       <OCEMIT JRST @ <- .BASE> '(O1*)>
+       <LABEL .DLBL>
+       <MAPF <> <FUNCTION (LBL) <OCEMIT SETZ O* <XJUMP <2 .LBL>>>> .RLBLS>
+       <MAPF <>
+             <FUNCTION (LBL) 
+                     <COND (<N==? <1 .LBL> <2 .LBL>>
+                            <LABEL <2 .LBL>>
+                            <JUMP!-MIMOC <1 .LBL>>)>>
+             .RLBLS>
+       <COND (<NOT .DF>
+              <COND (,PASS1 <SET LB <LABEL .DELBL>> <SAVE-LABEL-STATE .LB>)
+                    (,NO-AC-FUNNYNESS <SAVE-ACS> <SET LB <LABEL .DELBL>>)
+                    (ELSE
+                     <SET LB <FIND-LABEL .DELBL>>
+                     <ESTABLISH-LABEL-STATE .LB>
+                     <LABEL .DELBL>)>)>>
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