283 lines
10 KiB
OpenEdge ABL
283 lines
10 KiB
OpenEdge ABL
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30000 (* COPYRIGHT 1983 C.H.LINDSEY, UNIVERSITY OF MANCHESTER *)
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30010 (**)
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30020 (**)
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30030 (*+04()
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30040 MODULE A68SIN;
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30050 PROCEDURE DUMP;
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30060 PRIVATE
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30070 IMPORTS A68COM FROM A68DEC;
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30080 ()+04*)
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30090 (*+83() PROCEDURE INITIALIZE; FORWARD; ()+83*)
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30100 (*+85() PROCEDURE STANDARDPRELUDE; FORWARD; ()+85*)
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30110 (*+82() PROCEDURE PARSEPARSER; FORWARD; ()+82*)
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30120 (*+85() PROCEDURE INITSEMANTICS; FORWARD; ()+85*)
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30130 (*+01() PROCEDURE INITBEGIN; FORWARD; ()+01*)
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30140 (*+86() PROCEDURE INITCODES; FORWARD; ()+86*)
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30150 PROCEDURE SIN;
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30160 BEGIN
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30170 (*+83() INITIALIZE; ()+83*)
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30180 (*+82() PARSEPARSER; ()+82*)
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30190 (*+85() STANDARDPRELUDE; ()+85*)
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30200 (*+85() INITSEMANTICS; ()+85*)
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30210 (*+01() INITBEGIN; ()+01*)
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30220 (*+86() INITCODES; ()+86*)
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30230 END;
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30240 (**)
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30250 (**)
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30260 (**)
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30270 (**)
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30280 (*+01()
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30290 FUNCTION PFL: INTEGER;
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30300 (*OBTAIN FIELD LENGTH FROM GLOBAL P.FL*)
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30310 EXTERN;
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30320 (**)
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30330 (**)
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30340 FUNCTION PFREE: PINTEGER;
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30350 (*OBTAIN ADDRESS OF GLOBAL P.FREE*)
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30360 EXTERN;
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30370 (**)
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30380 (**)
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30390 (*$T-+)
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30400 PROCEDURE DUMP(VAR START: INTEGER);
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30410 (*DUMPS STACK AND HEAP ONTO FILE DUMPF.
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30420 START IS FIRST VARIABLE ON STACK TO BE DUMPED*)
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30430 CONST TWO30=10000000000B;
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30440 FREEINIT=40000000000000000000B; (*INITIAL VALUE OF P.FREE*)
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30450 VAR F1: FILE OF INTEGER;
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30460 STACKSTART, STACKLENGTH, HEAPSTART, HEAPLENGTH: INTEGER;
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30470 FRIG: RECORD CASE INTEGER OF
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30480 1:(INT: INTEGER); 2:(POINT: PINTEGER) END;
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30490 D: DUMPOBJ;
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30500 MASKM,MASKL: INTEGER;
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30510 I: INTEGER;
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30520 BEGIN
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30530 FRIG.INT := GETB(5)+3; STACKSTART := FRIG.POINT^;
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30540 STACKLENGTH := GETB(5)-STACKSTART;
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30550 FOR I := STACKSTART TO STACKSTART+STACKLENGTH-1 DO
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30560 BEGIN FRIG.INT := I; FRIG.POINT^ := 40000000000000000000B END; (*CLEAR STACK*)
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30570 FOR I := GETB(6) TO PFL-1 DO
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30580 BEGIN FRIG.INT := I; FRIG.POINT^ := 0 END; (*CLEAR SPACE BETWEEN STACK AND HEAPTOP*)
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30590 SIN;
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30600 HEAPSTART := GETB(4); HEAPLENGTH := PFL-HEAPSTART;
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30610 FRIG.POINT := PFREE; START := FRIG.POINT^; (*STORE P.FREE ON STACK FOR DUMPING*)
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30620 WRITELN(' STACK SIZE =', STACKLENGTH); WRITELN(' HEAP SIZE =', HEAPLENGTH);
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30630 REWRITE(F1);
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30640 FOR I := STACKSTART TO STACKSTART+STACKLENGTH-1 DO
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30650 BEGIN FRIG.INT := I; WRITE(F1, FRIG.POINT^) END;
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30660 FOR I := HEAPSTART TO HEAPSTART+HEAPLENGTH-1 DO
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30670 BEGIN FRIG.INT := I; WRITE(F1, FRIG.POINT^) END;
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30680 WRITELN(' F1 WRITTEN');
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30690 (**)
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30700 (*NOW CLEAR THE HEAP AND REINITIALIZE IT ONE WORD DOWN*)
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30710 SETB(4, PFL-1); FRIG.POINT := PFREE; FRIG.POINT^ := FREEINIT;
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30720 FOR I := STACKSTART TO STACKSTART+STACKLENGTH-1 DO
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30730 BEGIN FRIG.INT := I; FRIG.POINT^ := 40000000000000000000B END;
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30740 FOR I := GETB(6) TO PFL-1 DO
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30750 BEGIN FRIG.INT := I; FRIG.POINT^ := 0 END;
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30760 SIN;
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30770 FRIG.POINT := PFREE; START := FRIG.POINT^;
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30780 RESET(F1); REWRITE(A68INIT);
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30790 D.INT := STACKLENGTH; D.MASK := HEAPLENGTH; WRITE(A68INIT, D.INT, D.MASK);
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30800 FOR I := STACKSTART TO STACKSTART+STACKLENGTH-1 DO
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30810 BEGIN
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30820 READ(F1, D.INT);
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30830 FRIG.INT := I; D.MASK := D.INT-FRIG.POINT^;
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30840 (*D.MASK CONTAINS A 1 AT THE LS END OF EACH ^ FIELD OF D.INT*)
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30850 (*NOW WE HAVE TO MULTIPLE D.MASK BY HEAPSTART*)
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30860 MASKM := D.MASK DIV TWO30; MASKL := D.MASK-MASKM*TWO30;
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30870 MASKM := MASKM*HEAPSTART; MASKL := MASKL*HEAPSTART;
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30880 D.INT := D.INT-MASKM*TWO30-MASKL;
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30890 WRITE(A68INIT, D.INT, D.MASK)
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30900 END;
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30910 FOR I := HEAPSTART TO HEAPSTART+HEAPLENGTH-1 DO
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30920 BEGIN
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30930 READ(F1, D.INT);
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30940 FRIG.INT := I-1; D.MASK := D.INT-FRIG.POINT^;
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30950 MASKM := D.MASK DIV TWO30; MASKL := D.MASK-MASKM*TWO30;
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30960 MASKM := MASKM*HEAPSTART; MASKL := MASKL*HEAPSTART;
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30970 D.INT := D.INT-MASKM*TWO30-MASKL;
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30980 WRITE(A68INIT, D.INT, D.MASK)
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30990 END;
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31000 WRITELN(' A68INIT WRITTEN');
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31010 (**)
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31020 (*FINALLY, CLEAR THE HEAP AGAIN*)
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31030 SETB(4, PFL); FRIG.POINT := PFREE; FRIG.POINT^ := FREEINIT
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31040 END;
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31050 ()+01*)
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31060 (**)
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31070 (**)
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31080 (*-11()
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31090 PROCEDURE STASHLEX(A1: ALFA);
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31100 VAR I: INTEGER;
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31110 BEGIN
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31120 WITH CURRENTLEX DO
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31130 BEGIN S10 := A1;
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31140 I := 10; REPEAT I := I+1 ; STRNG[I] := ' ' UNTIL I MOD CHARPERWORD = 0;
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31150 WHILE STRNG[I]=' ' DO I := I-1;
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31160 LXCOUNT := (I+CHARPERWORD-1) DIV CHARPERWORD;
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31170 END
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31180 END;
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31190 (**)
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31200 (**)
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31210 PROCEDURE STASHLLEX(A1, A2: ALFA);
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31220 VAR I: INTEGER;
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31230 BEGIN
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31240 WITH CURRENTLEX DO
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31250 BEGIN S10 := A1;
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31251 FOR I := 11 TO 20 DO STRNG[I] := A2[I-10];
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31260 I := 20; REPEAT I := I+1; STRNG[I] := ' ' UNTIL I MOD CHARPERWORD = 0;
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31270 WHILE STRNG[I]=' ' DO I := I-1;
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31280 LXCOUNT := (I+CHARPERWORD-1) DIV CHARPERWORD;
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31290 END
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31300 END;
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31310 ()-11*)
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31320 (**)
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31330 (**)
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31340 (*-01() (*-03() (*-04()
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31350 FUNCTION GETADDRESS(VAR VARIABLE:INTEGER): ADDRINT; EXTERN;
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31360 (**)
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31370 PROCEDURE RESTORE(VAR START,FINISH: INTEGER);
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31380 VAR STACKSTART,STACKEND,GLOBALLENGTH,HEAPLENGTH,
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31390 HEAPSTART(*+19(),LENGTH,POINTER()+19*): ADDRINT;
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31395 I:INTEGER;
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31400 P: PINTEGER;
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31410 FRIG: RECORD CASE SEVERAL OF
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31420 1: (INT: ADDRINT);
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31421 2: (POINT: PINTEGER);
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31422 3: (PLEXP: PLEX);
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31423 (*+19() 4: (APOINT: ^ADDRINT); ()+19*)
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31424 (*-19()4,()-19*)5,6,7,8,9,10: ()
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31430 END;
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31440 D: RECORD INT,MASK: INTEGER END;
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31450 BEGIN
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31459 (*+05()
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31460 OPENLOADFILE(A68INIT, 4, FALSE);
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31461 ()+05*)
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31470 STACKSTART := GETADDRESS(START);
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31480 IF NOT EOF(A68INIT) THEN
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31490 BEGIN
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31500 READ(A68INIT,GLOBALLENGTH,HEAPLENGTH);
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31510 ENEW(FRIG.PLEXP, HEAPLENGTH);
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31520 HEAPSTART := FRIG.INT;
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31530 FRIG.INT := STACKSTART;
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31535 (*-19()
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31540 FOR I := 1 TO GLOBALLENGTH DIV SZWORD DO
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31550 BEGIN
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31560 READ(A68INIT,D.INT,D.MASK);
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31570 IF D.MASK=SZREAL THEN (*D.INT IS A POINTER OFFSET FROM HEAPSTART*)
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31580 D.INT := D.INT+HEAPSTART;
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31590 FRIG.POINT^ := D.INT;
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31600 FRIG.INT := FRIG.INT+SZWORD;
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31610 END;
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31620 FRIG.INT := HEAPSTART;
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31630 FOR I := 1 TO HEAPLENGTH DIV SZWORD DO
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31640 BEGIN
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31642 READ(A68INIT,D.INT,D.MASK);
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31644 IF D.MASK=SZREAL THEN
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31646 D.INT := D.INT+HEAPSTART;
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31648 FRIG.POINT^ := D.INT;
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31650 FRIG.INT := FRIG.INT+SZWORD
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31652 END
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31654 ()-19*)
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31659 (*+19()
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31660 LENGTH:=GLOBALLENGTH DIV SZWORD;
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31662 I:=1;
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31664 WHILE I<=LENGTH DO
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31666 BEGIN
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31668 READ(A68INIT,D.MASK);
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31670 IF D.MASK=SZADDR+SZWORD THEN (*IT IS A POINTER*)
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31672 BEGIN
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31674 READ(A68INIT,POINTER);
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31676 POINTER:=POINTER+HEAPSTART;
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31678 FRIG.APOINT^:=POINTER;
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31680 FRIG.INT:=FRIG.INT+SZWORD+SZWORD; (*POINTER IS 2 WORDS *)
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31682 I:=I+2
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31684 END
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31686 ELSE
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31688 BEGIN
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31690 READ(A68INIT,D.INT);
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31691 FRIG.POINT^:=D.INT;
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31692 FRIG.INT:=FRIG.INT+SZWORD;
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31693 I:=I+1
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31694 END
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31695 END;
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31696 LENGTH:=HEAPLENGTH DIV SZWORD;
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31697 FRIG.INT:=HEAPSTART;
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31698 I:=1;
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31699 WHILE I<=LENGTH DO
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31700 BEGIN
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31701 READ(A68INIT,D.MASK);
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31702 IF D.MASK=SZADDR+SZWORD THEN (*IT IS A POINTER*)
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31703 BEGIN
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31704 READ(A68INIT,POINTER);
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31705 POINTER:=POINTER+HEAPSTART;
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31706 FRIG.APOINT^:=POINTER;
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31707 FRIG.INT:=FRIG.INT+SZWORD+SZWORD; (*POINTER IS 2 WORDS *)
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31708 I:=I+2
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31709 END
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31710 ELSE
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31711 BEGIN
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31712 READ(A68INIT,D.INT);
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31713 FRIG.POINT^:=D.INT;
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31714 FRIG.INT:=FRIG.INT+SZWORD;
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31715 I:=I+1
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31716 END
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31717 END
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31718 ()+19*)
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31719 END
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31720 END;
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31730 PROCEDURE DUMP(VAR START,FINISH: INTEGER);
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31740 VAR STACKSTART,STACKEND,GLOBALLENGTH,
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31750 HEAPLENGTH,HEAPSTART: ADDRINT;
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31755 I:INTEGER;
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31760 P: PINTEGER;
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31770 FRIG: RECORD CASE SEVERAL OF
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31780 1: (INT:ADDRINT); 2: (POINT:PINTEGER);
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31790 3: (PLEXP: PLEX); 4,5,6,7,8,9,10: ()
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31800 END;
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31810 D: RECORD INT,MASK: INTEGER END;
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31830 (**)
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31840 BEGIN (* DUMP *)
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31850 REWRITE(LSTFILE);WRITELN(LSTFILE,' START DUMP');
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31860 (*+05()
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31870 OPENLOADFILE(DUMPF, 5, TRUE);
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31871 ()+05*)
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31880 IF EOF(LGO) THEN ENEW(FRIG.PLEXP,SZREAL)
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31890 ELSE ENEW(FRIG.PLEXP,2*SZREAL);
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31900 NEW(FRIG.POINT); (*-02() DISPOSE(FRIG.POINT); ()-02*)
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31910 HEAPSTART := FRIG.INT;
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31920 RESTORE(START,FINISH);
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31930 SIN;
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31935 (*-02()
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31940 NEW(FRIG.POINT); DISPOSE(FRIG.POINT);
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31941 ()-02*)
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31943 (*+02()
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31945 ENEW(FRIG.POINT,100); (* TO MAKE SURE IT GOES AT THE END *)
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31947 ()+02*)
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31950 HEAPLENGTH := FRIG.INT-HEAPSTART;
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31960 STACKSTART := GETADDRESS(START);
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31970 STACKEND := GETADDRESS(FINISH);
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31980 GLOBALLENGTH := STACKEND-STACKSTART;
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31990 WRITE(DUMPF,GLOBALLENGTH,HEAPLENGTH,HEAPSTART);
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32000 FRIG.INT := STACKSTART;
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32010 FOR I := 1 TO ABS(GLOBALLENGTH) DIV SZWORD DO
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32020 BEGIN
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32030 WRITE(DUMPF,FRIG.POINT^);
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32040 FRIG.INT := FRIG.INT+SZWORD*(ORD(GLOBALLENGTH>0)*2-1);
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32050 END;
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32060 FRIG.INT := HEAPSTART;
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32070 FOR I := 1 TO ABS(HEAPLENGTH) DIV SZWORD DO
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32080 BEGIN
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32090 WRITE(DUMPF,FRIG.POINT^);
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32100 FRIG.INT := FRIG.INT+SZWORD*(ORD(HEAPLENGTH>0)*2-1);
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32110 END;
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32120 WRITELN(LSTFILE,' DUMPF WRITTEN');
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32130 (**)
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32140 WRITELN(LSTFILE,' GLOBAL LENGTH',GLOBALLENGTH,' HEAP LENGTH',HEAPLENGTH);
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32150 END;
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32160 ()-04*) ()-03*) ()-01*)
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32170 (*-01() (*-02() (*-05()
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32180 PROCEDURE DUMP(VAR START, FINISH: INTEGER);
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32190 BEGIN SIN END;
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32200 ()-05*) ()-02*) ()-01*)
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