FORTRAN II PDP-9 COMPILER EI=4000 EH=10000 FIODEC CN=144 TN=120 PN=120 PARN=4 PUSHN=144 POLEN=60 START FORTRAN II - CAL HANDLER III-A 9-5-63 RET=JMP I-JMS 20/ HELPR JMP . 2 JMP HERE3 DAC PAC JMS .+2 PAC, 0 /SAVED AC PLK, 0 /SAVED LINK ISZ PUSH LAC 20 AND (17777 PUSH, DAC PSTORE-1 /SAVE EXIT ADDRESS ADD (-1 DAC #PTEM LAC I PTEM /GET SUBROUTINE ADDRESS DAC PTEM LAW HELPR DAC 20 ISZ LIMIT JMP EXITP HELP EH 1112 /COPY SUBROUTINE COPYLP, 0 ISZ TM#CNT SKP JMP I COPYLP TT1, XX TT2, XX ISZ TT1 ISZ TT2 JMP COPYLP 1 /CAL HANDLER - PAGE 2 /SAVE 1 REGISTER (RESTORE AC AND LINK) SAVE1=JMS . 0 LAC I PUSH TAD (20000 ISZ PUSH DAC I PUSH /INDEX NO. OF SAVED ARGS. JMS RL6 AND (37 ADD (LAC PST-1 DAC SAVEA LAM -1 ADD PUSH DAC PTEM SAVEA, XX DAC I PTEM ISZ LIMIT RET SAVE1 HELP EH 1112 /PUSH N REGISTERS SAVE=JMS . 0 LAC I SAVE-JMS DAC TT1 SKP SAVE1 ISZ TT1 JMP .-2 RET SAVE /CAL HANDLER - PAGE 3 /EXIT ROUTINES EXIT3=JMP . ISZ I PUSH EXIT2=JMP . ISZ I PUSH EXIT1=JMP . ISZ I PUSH EXIT =JMP . DAC PAC /SAVE AC AND LINK EXITL, RAR /SAVE LINK DAC PLK LAC I PUSH /RESTORE OLD AC AND LINK EXITB, DAC PTEM AND (760000 SZA JMP RESTORE EXIT1A, LAM -1 ADD PUSH DAC PUSH LAM -1 ADD LIMIT DAC LIMIT ADD (PUSHN SPA HELP EH 1110 EXITP, LAC PLK RAL LAC PAC JMP I PTEM EXIT3R=JMP . ISZ I PUSH EXIT2R=JMP . ISZ I PUSH EXIT1R=JMP . ISZ I PUSH EXITR =JMP . JMP EXITB-1 DSPTCH, AND (7 ADD I PUSH JMP EXITB /CAL HANDLER - PAGE 4 /MISC. SUBROUTINES RESTOR, JMS RL6 AND (37 CMA DAC TMCNT ADD PUSH DAC PUSH ADD (LAC-DAC DAC COPYLP 4 LAC (DAC PST DAC COPYLP 5 LAC TMCNT ADD LIMIT DAC LIMIT JMS COPYLP JMP EXIT1A /DISPLAY PARAMETERS DSPARA=JMS . 0 LAM -PARN DAC TMCNT LAC (DAC PARA 1 DAC COPYLP 5 LAC I PUSH AND (17777 ADD (LAC DAC COPYLP 4 JMS COPYLP RET DSPARA RL6, 0 RTL RTL RTL JMP I RL6 VARIABLES PST, PST 10/ PARG, PARG PARN 1/ PARA=PARG-1 START FORTRAN II - TAPE 1 SERVICE ROUTINES FIODEC /SOME SMALL POOR SUBS - I.E. - SUB- ROUTINES SPECHR, SAD (CHAR R EXIT /C.R. SAD (CHAR R EXIT /TAB SAD (CHAR R EXIT /SPACE EXIT1 /RETURN WITH THE NEW CHARACTER IN THE AC NEWCHR, GCR SPECHR EXIT SAD (74 JMP NEWCAS SAD (72 JMP NEWCAS ADD CASE#M EXIT NEWCAS, DAC CA#SE RAL6 AND (7700 DAC CASEM JMP NEWCHR /INITIALIZE ABOVE ROUTINES SETCHR, LAC (CHAR R DAC SCAN#CH LAC (7200 DAC CASEM LAC (72 DAC CASE /SET TO LOWER CASE DZM UCASE EXIT /PACK AND UNPACK STATEMENT ROUTINES PACK, DAC N#CHR LAC CASE SAD N#CASE JMP . 3 DAC NCASE PACK0 LAC NCHR PACK0, AND (77 PACKM, XX JMP PACK1 JMP PACK2 PACK3, XOR I CPOINT AND (77 XOR I CPOINT DAC I CPOINT PACK3A, ISZ CPOINT LAW CPOINT CN SAD CPOINT HELP EH 1606 LAC (JMP PACKM 1 DAC PACKM PACK3B, LAC NCHR EXIT PACK1, RAR7 XOR I CPOINT AND (770000 PACK1A, XOR I CPOINT DAC I CPOINT ISZ PACKM JMP PACK3B PACK2, RAL6 XOR I CPOINT AND (7700 JMP PACK1A /SET UP THE PACK AND UNPACK ROUTINES PACKST, LAW CPOINT PAKSET, DAC CPOINT LAM -0 DAC U#PACKT LAC (140000 DAC U#PAKCH DZM UCASE LAW CPOINT DAC U#POINT JMP PACK3A /UNPACK THE STATEMENT NXTCHR, IDXCHR UNPACK, LAC UPAKCH RAL7 AND (77 SAD (13 EXIT /ALL DONE SPECHR EXIT1 SAD (74 JMP UNPAK0 1 SAD (72 JMP UNPAK0 SAD (14 JMP NXTCHR ADD U#CASE EXIT1 UNPAK0, CLA RAL6 AND (7700 DAC UCASE JMP NXTCHR UPAK1, LAC UPAKCH JMS RL6 UPAK2, DAC UPAKCH AND (770000 XCT SPACES SZA EXITR IDXCHR, ISZ UPACKT JMP UPAK1 ISZ UPOINT LAM -2 DAC UPACKT LAC I UPOINT JMP UPAK2 SPACES, NOP /PUNCH STRING TEMX=17 PUNSTR, DAC TEMX LAM -2 DAC T#EMCNT LAC I TEMX PUNST1, DAC T#EMP AND (770000 SAD (130000 EXIT SAD (140000 SKP PUNCH1 LAC TEMP RAL6 ISZ TEMCNT JMP PUNST1 JMP PUNSTR+1 /PUNCH THE SYMBOL IN COMMON PUNADR, PUNSYM PUNCOM, LAW CHAR R, PUNCHR, JMP PUNCHW PUNSTY, PUNSTR PUNSYM, LAC COMMON PUNCH3 LAC COMMON 1 JMP PUNCH3 PUNPER, LAW CHAR R. JMP PUNCHW PUNSTD, PUNSTR LAC COMMON JMP DECPUN PUNDCC, DECPUN JMP PUNCRR PUNADG, DAC TEMCNT PUNPER LAC TEMCNT PUNCH3 JMP PUNCOM PUNJMP, DAC TEM# LAW DOGOM-1 PUNSTR LAC TEM JMP DIMV4 /GET THE NEXT ARGUMENT GETARG, GETSYM JMP GETA0 /NO MORE CHARACTERS JMP GETA1 /A NUMBER OR VARIABLE EXIT /A PUNCTUATION GETA0, CLA /0 MEANS EMPTY EXIT GETA1, DSPTCH JMP GETA2 JMP GETA3 GETA4, PVSTAK FIXFLO JMP . 3 LAC (2 JMP GETA5 LAC (3 JMP GETA5 GETA2, PCSTAK LAC (1) JMP GETA5 GETA3, FLCONS DAC COMMON 1 LAC (FLEX . 1414 DAC COMMON PVSTAK CLA GETA5, DAC IND#CAT /EXIT FROM HERE WITH AC UNPACK /00 MEANS A FLOAT CONSTANT JMP . 3 /01 MEANS A FIXED CONSTANT SAD (CHAR R, /10 MEANS A FLOAT VAR IDXCHR /11 MEANS A FIXED VAR LAC INDCAT /FIRST BIT IN THE LINK RTR /SECOND IN ACO EXIT1 /SOME MORE MISC SMALL SUBS CHKCOM, LAW CHAR R, CHKNXT, AND (7777 DAC TEMC UNPACK EXIT SAD TEMC SKP EXIT IDXCHR EXIT1 CHKLPR, LAW CHAR R( CHKNXT HELP 702 EXIT CHKRPR, LAW CHAR R) CHKNXT HELP 703 EXIT GETFIX, GETARG HELP 1201 SMA HELP 1202 LAC VPOIN1 EXIT GETVAR, GETSYM EXIT SKP EXIT SAD (2 EXIT1 EXIT GETCON, GETARG EXIT LAC INDCAT SAD (1 EXIT1 HELP 1203 EXIT GETFXV, GETFIX AND (300000 SZA HELP 1204 JMP GETVAR-2 /SCAN ROUTINE - PACK STATEMENT, DISPATCH ON TYPE SCAN, SAVE -AN DZM C#COMMA DZM C#EQUAL DZM STAT#NI CLEARI LAC (12 DAC CTEN PACKST PUNCRR LAC SCANCH SCANA, SAD (CHAR R JMP SCANS SAD (7263 JMP SCANC SAD (7222 JMP SCANC 2 SKP SCANBG, NEWCHR SAD (CHAR R /TAB JMP SCANTB DAC PAC AND (7700 SAD (7200 SKP HELP 701 LAC PAC AND (77 DIGIT HELP 701 LAC I2 DAC ST#NUM LAW DAC FOFFF DAC STATNI JMP SCANBG SCANTB, NEWCHR SAD (CHAR R JMP SCANTB JMP SCAN0 1 SCANS, NEWCHR JMP SCANA /MORE SCAN CAL SCAN1 SCAN0, NEWCHR SAD (CHAR R JMP SCAN0A /DONE PACK SAD (7257 JMP SCAN0-1 SAD (7255 HELP 704 SAD (7233 ISZ CCOMMA SAD (FLEX = ISZ CEQUAL JMP SCAN0 CAL SCAN1 SCAN1, NEWCHR SAD (CHAR R JMP SCAN1A PACK SAD (7257 JMP SCAN1-1 SAD (7255 EXIT JMP SCAN1 SCAN0A, SCAN2 JMP SCAN0 JMP SCAN3 SCAN1A, SCAN2 JMP SCAN1 HELP 705 SCAN2, NEWCHR DAC SCANCH SAD (7440 SKP EXIT1 NEWCHR SAD (CHAR R EXIT JMP .-3 SCAN3, LAW 13 PACK LAC CEQUAL SNA JMP CONTROL LAC CCOMMA SZA JMP DOSTAT JMP ARITH SCANC, LAW CHAR R/ PUNCHW COPY JMP SCANS /GET SYMBOL GETSYM, UNPACK /GET NEXT CHARACTER EXIT /ALL DONE CHRTYP JMP GETSN /DIGIT JMP GETSY /LETTER SAD (CHAR R. /OTHER JMP GETSN EXIT2R /"PUNCT" - LEARN GETSN, GETNUM EXIT1 GETSY, DAC NCHR LAC (141414 /ALPHANUMERIC SYMBOL IN DAC COMMON /SET UP TO READ AND PACK DAC COMMON+1 LAM -6 DAC TEMCNT LAW COMMON-1 DAC CPOINT PACK3A GETSY1, GETPAK NXTCHR JMP GETSY2 CHRTYP JMP GETSY1 JMP GETSY1 GETSY2, LAW CHAR R. GETPAK LAC (2 EXIT1 GETPAK, ISZ TEMCNT PACK0 LAC TEMCNT SNA!CLC DAC TEMCNT EXIT /UN PEU SUB GETOPN, SAD (FLEX ^ LAW EXPOP SAD (FLEX * LAW MULOP SAD (FLEX + LAW ADDOP SAD (FLEX = LAW EQUOP SAD (FLEX / LAW DIVOP SAD (FLEX - LAW SUBOP SAD (FLEX ( LAW UNOPEN SAD (FLEX ) LAW CLOSEO SAD (FLEX , LAW COMOP AND (17777 EXIT START FORTRAN II - TAPE 2 9-24-63 FIODEC HERE, LAC 7 DAC END LAC (17761 DAC THE#END RESET1 HERE1, LAC END CMA TAD THEEND JMP HERE2 HERE3, RESET1 SKP HERE2, HLT LAM -PUSHN 1 DAC L#IMIT LAC (DAC PSTORE-1 DAC PUSH RESET CLFLAG STREAD SETCHR TITLE JMP GO /TITLE PUNCH ROUTINE FEED, LAM -140 FEED1, DAC T#EMP LAS AND (400 SNA CLA!SKP LAC (12 IPB ISZ TEMP JMP FEED1 1 EXIT TITLE, LAM -74 1 DAC CR#CNT FEED GCR PUNCHW AND (77 SAD (CHAR R JMP TITLE 3 COPY LAW TITLED-1 JMP PUNSTR COPY, GCR PUNCHW AND (77 SAD (CHAR R EXIT JMP COPY TITLED, TEXT / DECIMA FIODEC EXTERNAL .IO1,.IO2,.IO3,.IO4,.IO5,.IO6,.IO7,.IO8,.IO9 EXTERNAL .IO57A,.IODEC / /CONTROL STATEMENT RECOGNIZER CONTROL, DZM IO#MODE LAW CONTAB DAC W#ORDAD DAC W#ORDP CONT1, PAKSET ISZ WORDP LAC I WORDP SZA JMP . 3 HELP 101 EXIT DAC #WORD CONT2, LAM -2 DAC WOR#DC CONT3, LAC WORD RAL6 DAC WORD RAL AND (77 DAC C#CHR SAD (13 JMP CONTF UNPACK JMP CONTNO SAD CCHR JMP CONT4 CONTNO, LAC I WORDAD JMP CONTROL 2 CONT4, IDXCHR ISZ WORDC JMP CONT3 JMP CONT1+1 CONTF, LAC I WORDAD ADD (JMP I-1 DAC . 1 XX /DATA FOR CONTROL STATEMENT NAMES CONTAB, CT1 TEXT .DIMENSION. DIMEN CT1, CT2 TEXT .COMMON. COMMO CT2, CT3 TEXT .CONTINUE. CONTU CT3, CT4 TEXT .GOTO. DOGO CT4, CT5 TEXT .IF. DIF CT5, CT6 TEXT .END. ENDA CT6, CT7 TEXT .CALL. CALL CT7, CT8 TEXT .RETURN. RETURN CT8, CT9 TEXT .FUNCTION. FUNCT CT9, CT10 TEXT .SUBROUTINE. SUBRUT CT10, CT11 TEXT .STOP. STOP CT11, CT12 TEXT .PAUSE. PPAUSE CT12, CT24 TEXT .ASSIGN. ASSIGN CT24, CT25 TEXT .2WORD. WORD2 CT25, CT26 TEXT .3WORD. WORD3 CT26, CT27 TEXT .READ. ISTAT CT27, CT28 TEXT .WRITE. IOSTAT CT28, CT29 TEXT .FORMAT. FORMAT CT29, CT30 TEXT .NOPUNCH. NOPU CT30, CT31 TEXT .EXTERNAL. EXTU CT31, CT32 TEXT .NORMALMODEREAL. TYPREL CT32, CT33 TEXT .NORMALMODEINTEGER. TYPNTG CT33, CT34 TEXT .NORMALMODEFORTRAN. TYPFTN CT34, CT35 TEXT .REAL. MREAL CT35, CT36 TEXT .INTEGER. MINTEG CT36, CT37 TEXT .FORTRAN. MFORTR CT37, CT38 TEXT .EXTENDMODE. EXTEND CT38, CT38 0 /NO PUNCH STATEMENT NOPU, LAC (EXIT DAC IPB EXIT /EXTERNAL STATEMENT EXTU, GETARG JMP CHKEND SNL HELP 161 EXTPUN JMP EXTU /TYPE DECLARATION GARBAGE TYPNTG, CLA!SKP TYPREL, CLC DAC #TYPSWT LAC #NORSWT SZA HELP 164 ISZ NORSWT EXIT TYPFTN, LAW 1 JMP TYPREL+1 /NORMAL MODE CONTROL MINTEG, CLA!SKP MREAL, CLC MCOP1, DAC COMMON+2 MCOPM, GETARG JMP CHKEND SNL HELP 162 LAW 3 INSERT LAC TYPE6 HELP 163 JMP MCOPM MFORTR, LAW 1 JMP MCOP1 /STOP AND PAUSE STATEMENTS STOP, PPAUSE LAW STPM4-1 JMP PUNSTR PPAUSE, XSTATF GETOCT CLA DAC COMMON LAW STPM1-1 PUNSTD STP1, LAW STPM2-1 JMP PUNSTR STPM1, TEXT / LAC (/ STPM2, TEXT / HLT / STPM4, TEXT / JMP .-1 / /CODING FOR EXECUTING SOME CONTROL STATEMENTS /CALL CALL, XSTAT DZM TEMA ARITHS JMP .-1 LAC TEMA SAD (CHAR R) JMP ENDSTA CALL1, LAC (UNOPEN ALGORITHM ENDPAR, LAC (CLOSEO ALGORITHM JMP ENDSTA /COMMON EXTEND, CLC DAC EXTS#WT COMMO, GETARG JMP CHKEND SNL HELP 201 LAW 2 INSERT LAC TYPE4 HELP 202 ISZ COMSWT JMP COMMO CHKEND, UNPACK EXIT HELP 720 EXIT /CONTINUE CONTU, JMP XSTAT /END ENDA, XSTATF STP1 PTYPE1 LAM -20 FEED1 LAW 13 IPB FEED WAIT JMP HERE2 /IF DIF, LAC (IFOP ALGORITHM JMP ARITH /FLOATING POINT WORD SIZE CNTROL WORD2, LAC (JMS DAC TYPE2 LAC (SKP DAC W#SIZE LAW W2SM-1 XCT SWITCH LAW WORD2M-1 JMP PUNSTR WORD3, XCT WSIZE HELP 730 EXIT WORD2M, TEXT .BAR 2 . W2SM, TEXT /BAR 2 SET2W / /COMPLICATED GOTO COMDOG, LAW CHAR R( CHKNXT JMP ASGOTO LAW GOST1-1 PUNSTR GENSYM DAC GO#TOM PUNCH3 LAW DOGOM-1 GOTO CHKCOM HELP 706 GETFIX LAC GOTOM PUNADG LAW GOST2-1 JMP PUNSYC GOST1, TEXT / JMS GOTO ./ GOST2, TEXT . LAC . /GOTO DOGO, XSTATF LAC CCOMMA SZA JMP COMDOG GETFIX AND (300000 SNA JMP ASGO3 LAW DOGOM-1 PUNSTD JMP PUNCRR /ASSIGNED GOTO ASGOTO, GETFIX LAW ASGOM1-1 PUNSTY CHKLPR LAW ASGOM2-1 GOTO LAW ASGOM5-1 JMP PUNSTR GOTO, DAC GOTO 4 PUNCRR GETCON JMP CHKRPR XX PUNSTD JMP GOTO 1 ASGO3, LAW ASGOM4-1 PUNSYC, PUNSTY PUNCRR, LAW CHAR R JMP PUNCHW ASGOM1, TEXT / LAC / ASGOM4, TEXT / JMP I / ASGOM2, FLEX SA FLEX D . FLEX 1 DOGOM, TEXT / JMP ./ ASGOM5, TEXT / DAC TEM+0 HLT XCT TEM+0 / /ASSIGN ASSIGN, XSTATF GETCON HELP 301 LAW ASSM1-1 PUNSTD LAW CHAR RT CHKNXT HELP 302 LAW CHAR RO CHKNXT HELP 302 GETFXV LAW ASSM3-1 JMP PUNSYC ASSM1, TEXT / LAW ./ ASSM2, TEXT / DAC #/ ASSM3, TEXT / ADD (JMP-LAW DAC #/ /SUBROUTINE AND FUNCTION PSEUDO - OPS SUBRUT, LAC (NOP SKP FUNCT, LAC (SKP DAC FUN#SWT LAC (SKP DAC S#WITCH XCT XSTATW SKP HELP 404 SUB1, GETVAR HELP 401 LAW SUBM1-1 PUNSYC PUNADR LAC COMMON DAC NAME LAC COMMON 1 DAC NAME 1 DZM FOFFF UNPACK JMP XSTAT LAW SUBM2-1 PUNSTR NXSTAT CHKLPR SUB2, GETARG JMP SUB3 SNL HELP 402 PUNSYM LAW 2 INSERT LAC TYPE0 HELP 403 LAW SUBM3-1 PUNSTR JMP SUB2 SUB3, XSTAT JMP CHKRPR NAME, 0 0 SUBM1, TEXT / INTERNAL / SUBM2, TEXT / JMS GTARG / SUBM3, TEXT /, 0 / SUBM5, FLEX LA FLEX W R FLEX ES SUBM4, TEXT / RETUR / /DIMENSION HANDLER DIMEN, NXSTAT DIMVAR CHKCOM JMP CHKEND JMP .-3 DIMST2, TEXT / JMS CALSB/ DIMST3, TEXT / LAW / /DIMENSION SUBROUTINE DIMVAR, SAVE -AN GETVAR HELP 501 LAC (NOP DAC SUBS#WT GENSYM /GENERATE STORAGE NAME DAC COMMON 2 XCT SWITCH JMP DIMVR0 LAC TYPE0 /HERE IF A SUBROUTINE OR FUNCTION SEARCH JMP DIMVR0 LAC COMMON 2 /VARIABLE IS A DUMMY SYMBOL PUNADG LAC (SKP DAC SUBSWT LAW 3 /INSERT IN DIMEN. DUMMY SYMBOL LIST INSERT LAC TYPE5 NOP UNPACK SKP SAD (CHAR R, SKP JMP DIMVR0+1 LAW ASGOM4-1 JMP PUNSYC DIMVR0, PUNADR LAW DIMST2-1 PUNSTR LAC (1 DAC COMMON 3 DAC S#IZE LAC COMMON DAC LCTEMX FIXFLO JMP DIMVR1 LAC (2 WSIZE DAC S#IZE /SAVE ARRAY NAME, CHECK FOR (N DIMVR1, CHKLPR GETCON HELP 503 /MULTIPLY DIMENSIONS OUT, PUNCH LAW N FOR EACH BUT FIRST DIMVR2, LAC I VPOIN1 MPY LAC COMMON 3 DAC COMMON 3 GETCON JMP DIMVR3 LAW DIMST3-1 PUNSTD JMP DIMVR2 /TO FINISH DIMENSION, PUNCH LAW F, AND ADDRESS OF ARRAY=G.S. DIMVR3, CHKRPR /CHECK IF ENDED WITH LAW DIMST3-1 PUNSTR LAC SIZE DECPUN /LAW N LAC LCTEMX DAC COMMON /RESTORE NAME LAW DIMST1-1 XCT SUBSWT /CHECK FOR DUMMY ARRAY SKP JMP PUNSYC LAW 4 /NOT A DUMMY ARRAY INSERT LAC TYPE1 HELP 502 DIMVR4, LAC (773673 PUNCH3 LAC COMMON 2 DIMV4, PUNCH3 JMP PUNCRR /PUNCH C.R. AND EXIT DIMST1, TEXT . I . /DO DO DOSTAT, XSTATF SAVE -DN AN LAW CHAR RD CHKNXT HELP EI 601 LAW CHAR RO CHKNXT HELP EI 601 /GET STATEMENT NO. AND I=N, COMPILE IT DOST1, GETDEC HELP 602 DAC DONUM DOSTL UNPACK DOST3 GETFIX LAC VPOIN1 DAC DO3 GENSYM DAC DOG PUNADG JMP GO /GENERATE DO SETUP, AND SET UP M2, AND M3 DOSTL, GETFXV /GET DO VARIABLE DAC DOVAR ADVSTK ARITHS SKP HELP 603 ENDSTA /STACK IS NOW SET TO COMPILE THE SETUP STATEMENT GETFIX /M2 DAC DO2 LAC INDCAT RTR LAW DOOP1 SZL JMP DOST2 CLC XOR I VPOIN1 DAC I VPOIN1 LAW DOOP DOST2, AND (17777 DAC DOOPR EXIT /IF NULL LAST AGRUMENT, SIMULATE A 1 DOST3, LAC (1 DAC COMMON PCSTAK EXIT1 /SPECIAL ADVSTAK ADVSK, DAC VPOIN1 JMP ADVSTK /GENERATE CODING FOR END ON DO-LOOP DODO, XSTATF STRESE LAC DOVAR ADVSK LAC DOOPR ALGORITHM LAC DOVAR ADVSK LAC DO2 ADVSK LAC DO3 ADVSK ENDSTA LAC DOG JMP PUNJMP /MAIN LOOP GO, STRESE SCAN LAC STATNI SNA JMP GO LAC STNUM SAD DONUM JMP DODO JMP GO ARITH, XSTAT ARITHS JMP .-1 ENDSTA, LAC (ENDCR JMP ALGORITHM /DO AN ARITHMETIC STATEMENT ARITHS, DZM ARITH#P ARITH1, GETSYM EXIT1 /ALL DONE JMP ARITH2 /VARIABLE TYPE SYMBOL DAC TEM#A GETOPN /GET OPERATOR NAME ALGORITHM IDXCHR LAC TEMA /SPECIAL CHARACTER CHECK SAD (CHAR R( JMP ARITHL SAD (CHAR R) JMP ARITHR SAD (CHAR R, JMP ARITHC JMP ARITH1 /DISPATCH ON SYMBOL TYPE ARITH2, DSPTCH JMP ARITH4 /FX CON JMP ARITH5 /FL CON /VARIABLE ARITH3, PVSTAK ADVSTK JMP ARITH1 /FIXED POINT CONSTANT ARITH4, ARITHM LAC COMMON CMA DAC COMMON PCSTAK JMP ARITH3 1 /FLOATING POINT CONSTANT ARITH5, ARITHM LAC COMMON+1 XOR (400000 DAC COMMON+1 /COMPLEMENT IF PRECEDED BY - FLCONS DAC COMMON+1 LAC (CHAR L. 1414 DAC COMMON JMP ARITH3 /MORE ARITHMETIC STATEMENT PROCESSOR /COMMA ARITHC, LAC ARITHP SZA /CHECK LEVEL JMP ARITH1 EXIT /EXIT IF A COMMA ON LEVEL 0 /LEFT PARANTHESIS ARITHL, CLC TAD ARITHP DAC ARITHP JMP ARITH1 /RIGHT PARANTHESIS ARITHR, ISZ ARITHP JMP ARITH1 JMP ARITH1 /SEE IF CONSTANT WAS PRECEDED BY A MINUS SIGN ARITHM, LAC I IT SAD (XCT SUBOP JMP .+4 /ORDINARY MINUS SAD (XCT UNSUB JMP POPTOP /UNARY MINUS EXIT3 /NO MINUS LAC (XCT ADDOP DAC I IT EXIT /RETURN RETURN, XSTATF LAW SUBM5-1 XCT FUNSWT LAW SUBM4-1 JMP PUNSTR ISTAT, ISZ IOMODE IOSTAT, XSTAT LAC FOFFF DAC FO#TEM PUNTAB LAC WORDAD PUNSTR PUNCRR PUNTAB GETARG HELP 722 SMA HELP 723 /NOT FIXED POINT SZL JMP IOST1 /FIXED VARIABLE LAC COMMON TAD (-143 SPA JMP IONORM TAD (-1603 SPA CLA!SKP /57A LAC (12 /DECTAPE SKP IONORM, LAC COMMON ADD (LAC IOJMAD DAC . 1 XX PUNSTR LAC COMMON DECPUN PUNCRR JMP IOST2 IOJMAD, LAW IOME0-1 LAW IOME1-1 LAW IOME2-1 LAW IOME3-1 LAW IOME4-1 LAW IOME5-1 LAW IOME6-1 LAW IOME7-1 LAW IOME8-1 LAW IOME9-1 LAW IOME10-1 IOME0, TEXT /JMS .IO57A / IOME1, TEXT /JMS .IO1 / IOME2, TEXT /JMS .IO2 / IOME3, TEXT /JMS .IO3 / IOME4, TEXT /JMS .IO4 / IOME5, TEXT /JMS .IO5 / IOME6, TEXT /JMS .IO6 / IOME7, TEXT /JMS .IO7 / IOME8, TEXT /JMS .IO8 / IOME9, TEXT /JMS .IO9 / IOME10, TEXT /JMS .IODEC / IOST1, PVARC IOST2, GETDEC JMP IOST3 DAC COMMON LAW IOM10-1 PUNSTD PUNCRR UNPACK JMP IODONE CHKCOM HELP 725 IOST3, UNPACK JMP IODONE JMP IOLIST IOM10, TEXT / FOR ./ /IOLIST LIST GENERATOR IOLIST, STRESE DZM P#COUNT JMP . 3 ISZ PCOUNT IDXCHR UNPACK JMP IODONE SAD (CHAR R( JMP .-5 GETVAR JMP IODNER DZM X#FIX FIXFLO ISZ XFIX LAC PCOUNT SZA JMP IORR CHKCOM JMP IOAR IOLS2, LAC XFIX RAR LAW IOM2-1 SZL LAW IOM1-1 PUNSTR LAC IOMODE SZA PUNSTR 1 PVARC JMP IOLIST IOAR, UNPACK JMP IOLS2 SAD (CHAR R( SKP JMP IOLS2 IOARRY IOADN, LAW IOM5-1 PUNSTR JMP IOLIST /MORE IOLIST GENERATOR IORR, LAW IOM4-1 PUNSTR GENSYM DAC IO#ENT PUNCH3 PUNCRR GENSYM DAC IO#CONT PUNADG IOARRY IORR1, GENSYM DAC IO#CNT PUNJMP LAC PCOUNT SAD (1 JMP IORR3 GENSYM DAC IO#XCNT IORR2, PUNADG SPDO CHKCOM NOP CLC TAD PCOUNT DAC PCOUNT SNA JMP IOADN LAC IOXCNT DAC IOCONT JMP IORR1 IORR3, LAC IOENT JMP IORR2 IODNER, HELP 724 IODONE, LAC FOTEM DAC FOFFF LAW IOM3-1 JMP PUNSTR /EVEN MORE IO LIST IOARRY, PVSTAK ADVSTK ARITHS NOP LAC XFIX RAR LAW IOM6-1 SZL LAW IOM7-1 JMP PUNSTR IOM1, TEXT . ARX . 561300 IOM2, TEXT . ARF . 744072 130000 IOM3, TEXT . ENDIO . IOM4, TEXT / RPA ./ IOM5, TEXT . JMS DONE . IOM6, TEXT . JMS FARAD . IOM7, TEXT . JMS XARAD . /EVEN EVEN MORE MORE IO LIST SPDO, STRESE SAVE -DN AN DOSTL UNPACK SKP SAD (CHAR R) DOST3 GETFIX CHKRPR LAC VPOIN1 DAC DO3 LAC IOCONT DAC DOG PUNJMP LAC IOCNT PUNADG JMP DODO 1 START FORTRAN II - TAPE 3 - DIAGNOSTIC TELETYPE HELPR, 0 DAC S#VAC LAW JMS TYP1 LAM -1 ADD HELPR DAC TE#MH LAC I TEMH DAC TEMH RTR RTR RTR AND (17 ADD (LAC ERRTAB DAC .+1 XX JMS TYP1 JMS TYP1 JMS TYP1 LAC (660000 JMS TYP1 LAC TEMH RTR RAR JMS TYPDIG LAC TEMH JMS TYPDIG LAC (101000 JMS TYP1 JMS TYP1 LAC STNUM DECPNT LAC (200476 /PRINT STATEMENT NUMBER JMS TYP1 JMS TYP1 JMS TYP1 LAW CPOINT CMA ADD UPOINT DAC TEMH1 RCL ADD TEMH1# ADD UPACKT CMA ADD (1 DAC MARK LAW CPOINT 1 JMS TOC LAC TEMH AND (14000 SNA JMP HELPX SAD (EI JMP GO HLT JMP .-1 HELPX, LAC HELPR RAL LAC SVAC JMP I HELPR TYP1, 0 JMS RL6 JMS TYPIT JMP I TYP1 DIGTAB, CHAR L0 CHAR L1 CHAR L2 CHAR L3 CHAR L4 CHAR L5 CHAR L6 CHAR L7 TYPDIG, 0 AND (7 ADD (LAC DIGTAB DAC .+1 XX JMS TYP1 JMP I TYPDIG /LINE PRINT ROUTINE TOC, 0 DAC BUF#P TOC0, LAM -2 DAC CHA#C LAC I BUFP TOC1, JMS RL6 DAC COM#2 RAL AND (77 ADD (XCT TUPTAB DAC COTA COTA, XX STL JMS RL6 SMA SKP JMS TYP1 JMS TYP1 JMS TYP1 COTB, ISZ MAR#K JMP TOC2 LAC (200000 JMS TYP1 TOC2, LAC COM2 ISZ CHAC JMP TOC1 ISZ BUFP JMP TOC0 TOC3, LAC (42000 JMS TYP1 JMS TYP1 JMP I TOC TUPTAB, LAW 10 LAW 6672 LAW 6662 LAW 6640 LAW 6624 LAW 6602 LAW 6652 LAW 6670 LAW 6630 LAW 6606 JMP COTB JMP TOC3 JMP COTB JMP COTB JMP COTB JMP COTB LAW 6632 LAW 6656 LAW 50 LAW 2 LAW 70 LAW 36 LAW 62 LAW 56 LAW 52 LAW 42 JMP COTB LAW 6614 JMP COTB JMP COTB LAW 6650 JMP COTB JMP COTB LAW 64 LAW 74 LAW 22 LAW 16 LAW 14 LAW 6 LAW 32 LAW 72 LAW 24 JMP COTB JMP COTB LAW 6660 LAW 6622 JMP COTB LAW 6674 JMP COTB LAW 60 LAW 46 LAW 34 LAW 44 LAW 40 LAW 54 LAW 26 LAW 12 LAW 30 JMP COTB LAW 6616 JMP COTB JMP COTB JMP COTB JMP TOC3 /ERR CODE TABLE ERRTAB, FLEX WHA FLEX CON FLEX COM FLEX ASG FLEX SUB FLEX DIM FLEX DO FLEX ILF FLEX ICH FLEX DIT FLEX UFX FLEX FOR FLEX WHO FLEX IFU FLEX SCE HELP=CAL I FIODEC CHRTY1, HELP 1001 NXTCHR HELP 1004 CHRTYP, SAD (FLEX + EXIT2 SAD (FLEX = EXIT2 SAD (FLEX * EXIT2 SAD (FLEX ^ EXIT2 AND (7) ADD (LAC TYPTAB DAC CHRTYA LAC PAC AND (7700 SZA HELP 1002 LAC PAC RTR RAR AND (7 ADD (-7 DAC TT1 CHRTYA, XX RTR ISZ TT1 JMP .-2 AND (3 TAD (-0 SPA JMP CHRTY1 JMP DSPTCH TYPTAB, 054210 275250 221040 227054 221340 221340 221040 221340 START FORTRAN II - TAPE 4 FORMAT ETC. /PUNCH JUMPS AROUND NON-EXECUTABLE STATEMENTS FIODEC XSTAT, LAC #XVAR SNA JMP XSTATN LAC XVAR PUNADG DZM XVAR XSTATN, XCT XSTATW SKP JMP XSTATQ XCT SWITCH SKP JMP XSTATO LAW XSTATM-1 PUNSTR CLL!CLC 660000 /SIGN TO LINK IF EAE LAW NARMES-1 SZL LAW EARMES-1 PUNSTR LAW XSTATP-1 XCT WSIZE SKP PUNSTR XSTATO, LAC (SKP DAC XSTATW JMP XSTATQ NXSTAT, LAC XVAR SZA JMP XSTATQ GENSYM DAC XVAR PUNJMP XSTATQ, LAC STATNI SMA!CMA EXIT DAC STATNI PUNPER LAC STNUM DECPUN JMP PUNCOM XSTATF, XSTAT JMP SETFIX XSTATM, TEXT . CALST . XSTATP, TEXT . SET2W . NARMES, TEXT . EXTERNAL NARITH JMS NARITH . EARMES, TEXT . EXTERNAL EARITH JMS EARITH . /CODING FOR FORMAT STATEMENT FORMAT, NXSTAT CHKLPR DZM FORMPC FORMLP, CLC TAD FORMPC DAC FOR#MPC LAC (200000 DAC FOR#ML /LEFT TERMINATOR COUNTER FORM1, DZM FOR#MD GETDEC CLA DAC F#ORMR UNPACK JMP FORNUL FORM2, SAD (CHAR RH JMP FORMH SAD (CHAR RI JMP FORMI SAD (CHAR RF JMP FORMF SAD (CHAR RE JMP FORME SAD (CHAR RX JMP FORMX SAD (CHAR RA JMP FORMA JMP FORNUL FORMI, IDXCHR GETDEC LAC (10 DAC FO#RMW LAW 1 JMP FORMF2 1 FORME, LAW 3 SKP FORMF, LAW 2 DAC FORMF2 IDXCHR FORMF1, GETDEC LAC (20 DAC FORMW LAW CHAR R. CHKNXT JMP FORMF2 GETDEC LAC (12 DAC FORMD FORMF2, XX GATHER JMP GATHR2 FORMA, IDXCHR GETDEC LAC (1 DAC FORMW LAW 6 JMP FORMF2 1 /FORMAT - PAGE 2 FORMH, LAC (SKP DAC SPACES LAC FORMR CMA DAC TEM#C LAW 5 GATHR1 LAW FORMHM-1 PUNSTR DZM SC#ASE JMP FORMH3 FORMH1, UNPACK JMP FORMH4 DAC TEM LAC UCASE SAD SCASE JMP FORMH2 DAC SCASE SNA LAC (7200 RAR6 PUNCHW FORMH2, LAC TEM PUNCHW FORMH3, IDXCHR ISZ TEMC JMP FORMH1 FORMH4, LAC SCASE SNA JMP . 3 LAC (72 PUNCHW PUNCRR LAC (NOP DAC SPACES LAC UPAKCH /FLUSH SPACES CAL UPAK2 UNPACK JMP GATHR2 CHRTYP JMP FORMCM JMP FORMCM JMP GATHR2 FORMHM, TEXT . TEXT . /FORMAT - PAGE 3 FORMSL, LAC (400000 JMP FORM1-1 FORMCM, DZM FORML JMP FORM1 FORMRP, ISZ FORMPC JMP FORMCM PUNTAB LAC (600000 DAC COMMON JMP PUNDCC /COMBINE THE FORMAT SPECS INTO ONE WORD AND OUTPUT GATHER, DAC TEM LAC FORMR CLL AND (17 RAL4 LAC FORMD AND (17 ADD PAC RAL5 LAC FORMW AND (37 ADD PAC DAC FORMR LAC TEM GATHR1, RAR6 AND (160000 ADD FORML ADD FORMR DAC TEM PUNTAB LAC TEM JMP PUNDCC FORNUL, CLA GATHR1 JMP GATHR2 FORMX, LAW 4 GATHR1 IDXCHR GATHR2, UNPACK CLA IDXCHR SAD (CHAR R, JMP FORMCM SAD (CHAR R/ JMP FORMSL SAD (CHAR R) JMP FORMRP SAD (CHAR R( JMP FORMLP HELP 1302 JMP FORMRP 2 START 4-TRAN OUTPUT AND OVERHEAD ROUTINES FIODEC AUTOG0=10 AUTOG1=11 /SEARCH ROUTINE SEARCH, DAC #SEARCA AND (17777 SNA EXIT LAC PAC DAC #SEARCC RAL5 AND (17 CMA DAC #SEARCT /COUNT OF COMPARISONS LAC (SAD COMMON DAC SP#OINT SELOOP, LAC I SEARCA DAC #SEARCB LAC SEARCT DAC #SEARCN JMP SELOO1 SELOO2, ISZ SEARCA LAC I SEARCA XCT SPOINT JMP SEARCS LAC SEARCB SNA EXIT DAC SEARCC DAC SEARCA JMP SELOOP-2 SEARCS, ISZ SPOINT SELOO1, ISZ SEARCN JMP SELOO2 LAC SEARCC EXIT1 NFREE, 0 /NEXT FREE REGISTER TYPE0, 100000 /DUMMY SYMBOL TABLE TYPE1, 100000 /DIMENSIONED VARIABLE TYPE2, 140000 /FLOATING POINT CONSTANT TYPE3, 100000 /USED FUNCTION TYPE4, 100000 /COMMON TYPE5, 100000 /DIMENSIONED DUMMY SYMBOL TYPE6, 100000 /DECLARED TYPES ADVSTK, LAW POLEND-1 SAD IT HELP SCE 1 LAC #VPOIN1 /ADVANCE POINTER ISZ IT DAC I IT EXIT PVSTAK, LAM -3 /PUT VARIABLES IN STACK ADD VPOINT DAC VPOINT DAC VPOIN1 CMA ADD NFREE SMA HELP SCE 2 LAC COMMON DAC I VPOINT ISZ VPOINT LAC VPOINT SAD NFREE HELP SCE 2 LAC COMMON+1 PCCOM, DAC I VPOINT ISZ #VARS EXIT INSERT, DSPARA /INSERT INTO LIST LAC PAC AND (17 DAC #NUMINS XCT PARA+1 AND (17777 SNA JMP FINSERT XCT PARA+1 SEARCH SKP EXIT1 CINSERT, LAC NFREE DAC I SEARCC DAC SEARCB DZM I SEARCB ISZ SEARCB ADD NUMINS DAC NFREE ISZ NFREE CMA ADD VPOINT SPA HELP SCE 3 LAC NUMINS CMA DAC NUMINS ISZ NUMINS LAW COMMON DAC #TEMP INLOOP, LAC I TEMP DAC I SEARCB ISZ TEMP ISZ SEARCB ISZ NUMINS JMP INLOOP LAC I SEARCC EXIT2 FINSERT, XCT PARA+1 XOR NFREE DAC I PARA+1 LAC NFREE JMP CINSERT+2 /GENERATE SYMBOL ROUTINE GENSYM, ISZ RIGHT LAW GETEND+1 SAD RIGHT JMP NRIGHT GEN2, CLL!CLA XOR (6100 XOR I MIDDLE RAL6 XOR I RIGHT EXIT NRIGHT, ISZ MIDDLE SAD MIDDLE HELP SCE 4 NRI2, LAW GETAB DAC RIGHT JMP GEN2 MIDDLE, LAW GETAB RIGHT, LAW GETAB-1 /PUT CONSTANT IN STACK PCSTAK, LAM -2 ADD VPOINT SAD NFREE HELP SCE 5 DAC VPOINT XOR (300000 DAC VPOIN1 LAC COMMON JMP PCCOM /RESTORE RESET1=JMS . 0 LAW GETAB-1 DAC RIGHT DAC MIDDLE ISZ MIDDLE JMP I RESET1-JMS RESET, CLC DAC #EXPCOT DZM STNUM DZM EXTSWT LAW 1 DAC #TYPSWT DZM #NORSWT DZM #XVAR DZM DO#NUM DZM #COMSWT LAC NOPER DAC #SPACES DAC #XSTATW DAC WSIZE DAC #SWITCH DAC #FUNSWT DZM #FOFFF LAC #END DAC NFREE LAC (100000 DAC TYPE0 DAC TYPE1 DAC TYPE3 DAC TYPE4 DAC TYPE5 DAC TYPE6 LAC (140000 DAC TYPE2 LAC (LAC I POLISH DAC TOP DZM #NUMAX LAC (CMT CRTURN DAC POLISH LAC THEEND DAC VPOINT STRESET, LAW POLISH DAC IT DAC #VARS DZM #ACIND DZM TEM#IND DZM #OVSYM DZM NUM#TEM EXIT GETAB, CHAR RA CHAR RB CHAR RC CHAR RD CHAR RE CHAR R1 CHAR RG CHAR RH CHAR RI CHAR RJ CHAR RK CHAR RL CHAR RM CHAR RN CHAR RO CHAR RP CHAR RQ CHAR RR CHAR RS CHAR RT CHAR RU CHAR RV CHAR RW CHAR RX CHAR RY GETEND, CHAR RZ POPTOP, LAC TOP ADD (LAW-LAC-I-1 DAC IT TOPPOP, LAM -1 ADD TOP DAC TOP LAC I TOP SMA JMP TOPPOP EXIT PTYPE1, LAC TYPE1 AND (17777 SNA JMP PTYPE2 DAC AUTOG1 DAC #PTEMP LAC I AUTOG1 DAC COMMON LAC I AUTOG1 DAC COMMON+1 LAC TYPE4 SEARCH SKP JMP P4COM LAC I AUTOG1 PUNADG PUNTAB LAC I AUTOG1 DAC COMMON+3 LAC (LAC FPSC FIOFLP P4COM, LAC I PTEMP JMP PTYPE1+1 FPSC, FLEX . +77 /.,SPACE,CRT RAR9, RAR RAR8, RAR RAR7, RAR RAR6, RAR RAR5, RAR RAR4, RAR RAR3, RAR RAR2, RTR EXIT PTYPE2, LAC TYPE2 AND (17777 SNA JMP PTYPE4 DAC AUTOG1 DAC PTEMP ADD (3 WSIZE DAC #PTEMP2 LAC I PTEMP2 PUNADG LAM -1 XCT WSIZE LAM -2 DAC PTEMP2 IPT2LO, PUNTAB LAC I AUTOG1 DECPUN ISZ PTEMP2 JMP IPT2LO PUNCRR LAC I PTEMP JMP PTYPE2+1 PUNCH3, PUNCH1 SKP PUNCH2, RAL PUNCH1+1 SKP PUNCH1, RAL RAL6 PUNCHW, DAC #PUNCHS AND (77 SAD (14 JMP PUNCHX PARITY ADD (200 IPB PUNCHX, LAC PUNCHS EXIT RAL9, RAL RAL8, RAL RAL7, RAL RAL6, RAL RAL5, RAL RAL4, RAL RAL3, RAL RAL2, RTL EXIT PTYPE4, LAW TEMMES-1 PUNSTR LAC COMSWT SNA JMP PTYPE6 LAC EXTSWT RAR LAW XNDMES-1 SNL LAW ENDMES-1 PUNSTR DZM EXTSWT LAC TYPE4 PTYPE5, AND (17777 SNA JMP PTYPE6 DAC AUTOG1 DAC #PTEMP LAC I AUTOG1 DAC COMMON LAC I AUTOG1 DAC COMMON+1 LAC TYPE1 SEARCH JMP NDIMV ADD (2 DAC AUTOG1 LAC I AUTOG1 DAC COMMON+1 LAC I AUTOG1 DAC COMMON+3 LAC (LAC FPMT FIOFLP LAC COMMON+1 PUNADG COMRET, PUNCRR LAC I PTEMP JMP PTYPE5 NDIMV, LAW 1 DAC COMMON+3 LAC (LAC FPMT FIOFLP PUNADR JMP COMRET FPMT, FLEX .- +36 SCE=EH 1600 COMMON, COMMON+4/ IT, LAW POLISH TEMMES, TEXT .TEM, . ENDMES, TEXT . END/ . XNDMES, TEXT . XND/ . TEMME2, TEXT .TEM+. TEMME3, TEXT ./ START . PTYPE6, PUNCRR LAC NUMAX SZA CMA AND (17777 DAC COMMON LAW TEMME2-1 PUNSTD LAW TEMME3-1 JMP PUNSTR /DETERMINE FLOATING POINT WORD SIZE WSIZE, XX /SET TO NOP OR SKP ADD (1 EXIT /FIXED OR FLOATING AND PUNCH FIOFLP, DAC FFPUN FIXFLO JMP FFPUN LAC COMMON+3 AND (17777 RCL XCT WSIZE ADD COMMON+3 DAC COMMON+3 FFPUN, HLT PUNCH2 LAC COMMON+3 AND (17777 DECPUN LAC (CHAR R/ PUNCHW XCT FFPUN JMP PUNCHW /DETERMINE MODE OF IDENTIFIER FIXFLO, LAC COMMON SNA!CMA /ZERO DENOTES FIXED EXITR SNA!CMA /ZERO DENOTES FLOATING EXIT1R AND (-7777 /MASK TO FIRST CHARACTER SAD (CHAR L. /CHECK FOR FLOATING CONSTANT EXIT1R /YES, SO FLOATING EXIT LAC TYPE6 SEARCH /SEE IF DECLARED VARIABLE JMP FUNNOR /NO, SO PROCESS ACCORDING TO NORMAL MODE LAC I SPOINT /GET MODE IDENTIFIER FUNNY2, AND (3 DSPTCH /DISPATCH ON MODE TYPE EXITR /FIXED POINT VARIABLE JMP FUNREG /FORTRAN TYPE HLT /NOT ASSIGNED EXIT1R /FLOATING POINT VARIABLE FUNNOR, LAC TYPSWT JMP FUNNY2 FUNREG, LAC COMMON+1 SAD (FLEX F. +14 JMP FUNYES AND (7777 SAD (FLEX F. JMP FUNYES AND (77 SAD (FLEX F SKPCON, SKP JMP REGFOR FUNYES, LAC COMMON AND (770000 SAD (CHAR LX EXITR EXIT1R REGFOR, LAC COMMON AND (770000 SAD (710000 EXITR SMA EXIT1R ADD (320000 SPA EXITR EXIT1R /PARITY GENERATION ROUTINE PARITY, DZM #PARITC JMP .+3 SZL ISZ PARITC CLL!SZA!RAR JMP PARITY+2 LAC PARITC RAR SZL EXIT1R EXITR /FLOATING CONSTANT LOOKUP /RETURNS WITH GEN. SYMBOL IN AC FLCONS, LAW COMMON+2 WSIZE DAC FLCO1 GENSYM /VALUE OF CONSTANT IS IN COMMON-COMMON+1 OR 2 DAC I FLCO1 LAW 3 WSIZE INSERT LAC TYPE2 JMP .+3 LAC I #FLCO1 /NEW DEFINITION EXIT ADD (3 /SET TO PICK UP SYMBOL ALREADY DEFINED WSIZE DAC SEARCC /FREE AT THIS TIME LAC I SEARCC /PICK UP GEN. SYMBOL EXIT /DECIMAL INTEGER PUNCH SUBROUTINE DECPNT, LAC (DECPR2 JMP DCPUN2 DECPUN, DAC PAC LAC (PUNCHW DCPUN2, DAC DECIOS DAC DECIO2 LAC PAC CLL!SMA CMA!CML DAC DCPN#UM LAW CHAR R- SNL DECIOS, XX LAC (ADD DCPTAB DAC DCPLOP 2 LAM -4 DAC DCPC#NT LAC (SZA DAC DCPMOD DCPGDG, DZM DCPD#IG LAC DCPNUM JMP . 3 DCPLOP, DAC DCPNUM ISZ DCPDIG XX SPA JMP DCPLOP ISZ DCPLOP 2 LAC DCPDIG DCPMOD, XX JMP DPPUN ISZ DCPCNT JMP DCPGDG LAC DCPNUM CMA SNA LAW 20 JMP I DECIOS DECPR2, JMS TYPDIG EXIT DPPUN, SNA LAW 20 DECIO2, XX LAC (OPR DAC DCPMOD JMP DCPMOD+2 DECIMAL DCPTAB, 100000 10000 1000 100 10 1 OCTAL START /4TRAN INSTRUCTION GENERATOR ROUTINE IGROU, DZM #OVSYM XCT TOP SPA!RAL /BIT 0 IS "COMMUTE" BIT COMMUTE SPA /BIT 1 IS "LAC-1" BIT LC1 ALIG, LAC #FOFFF RAR /+0 IS FIXED, -0 FLOATING, OTHER NONDET XCT TOP AND (17 RAL SAD (1 LC1 ADD (LAC OPTAB DAC . 1 XX DAC ALWORD ALLOOP, LAM -2 DAC #ALCOUT LAW DTABIG-2 DAC AUTOG0 ALWORD, XX ISZ .-1 RAL6 DAC #ALTEM4 RAL AND (77 DAC DTABT ISZ AUTOG0 SAD I AUTOG0 JMP I AUTOG0 JMP .-3 /DISPATCH ON IG CODES DTABIG, 34 JMP UNSETM 12 JMP EQUAS 35 JMP IFOO2 75 JMP IFOO 76 JMP IFOO 13 JMP ALDONE 32 JMP ALWOR0 15 JMP ALARG2 14 JMP ALARG1 33 JMP ALARGM 37 JMP IFTEMZ 16 JMP OVRUND 17 JMP ALARG3 DTABT, 0 ALRETR, PUNCHW ALRETU, ISZ ALCOUT SKP JMP ALLOOP LAW DTABIG-2 DAC AUTOG0 LAC A#LTEM4 JMP ALWORD+2 IFOO2, LAC (74 IFOO, ADD (-73 ADD TOP DAC ALTEM3 PUNPER XCT ALTEM3 PUNDCC JMP ALRETU UNSETM, CLC DAC FOFFF LAW 36 JMP ALRETR NOTHER, LAC I ALTEM3 AND (DAC CLC!SNA CLA JMP MODEA1 OVRUND, CAL .+2 JMP ALRETU OVFOO JMP NOTHER LAC I ALTEM3 FUNQUR MODEA1 OVRET, LAC I ALTEM3 DAC ALTEM3 LAC I #ALTEM3 DAC COMMON ISZ ALTEM3 LAC I ALTEM3 DAC COMMON+1 OVMID, LAC TYPE4 SEARCH SKP EXIT LAC TYPE1 SEARCH SKP EXIT LAC COMMON AND (770000 SAD (730000 EXIT FIXFLO CLA!SKP LAC (602414 /(UC-UNDERBAR-LC)-(141456) ADD (141456 DAC OVSYM EXIT OVFIX, CLA SAD FOFFF EXIT2 PUNTAB LAC PARA+1 PUNCH3 CLA JMP PFC PUNTAB, LAW 36 JMP PUNCHW PFIXI, PUNTAB LAC PARA+2 PUNCH3 CLC PFC, DAC FOFFF PUNCRR EXIT2 ALDONE, LAM -1 ADD TOP DAC IT DAC ACIND DZM I ACIND SAD (LAC I POLISH SKP DZM I IT EXIT ALARGM, LAM -1 SKP ALARG3, LAC (3 SKP ALARG2, LAC (1 SKP ALARG1, LAC (2 ADD TOP PVAR JMP ALRETU COMMUTE, LAC TOP DAC #ALTEM1 ISZ ALTEM1 LAC I ALTEM1 SZA!CMA EXITR TAD TOP DAC ACIND LAC I ACIND DAC I ALTEM1 DZM I ACIND EXITR LC1, DAC #LCTEMX LAM -1 ADD TOP DAC ALTEM1 LAC I ALTEM1 SNA JMP LCXIT ACINUT LAC I ALTEM1 AND (TAD SAD (LAC SKP!CLA SAD (XOR JMP STLC2 SAD (JMS CLA!SKP SAD (DZM JMP STLC2 LAC I ALTEM1 AND (ADD SAD (ADD SKP!CLC SETLC1 LC4, CMA MODES-1 LAC (FLEX LA PUNCH3 PULAC LAC ALTEM1 PVAR LAC ALTEM1 DAC ACIND DZM I ALTEM1 LCXIT, LAC LCTEMX EXIT STLC2, SZA!CMA CLA JMP LC4 PULAC, LAC (FLEX C JMP PUNCH2 ACINUT, LAC ACIND SNA EXIT ACINU, SETSAV DAC I ACIND LAC (FLEX DA PUNCH3 PULAC LAC ACIND DZM ACIND JMP PVAR SETSAV, DSPARA LAC FOFFF AND (40000 ADD (100000 ADD #NUMTEM XCT PARA+1 SETSE2, LAC FOFFF AND (1 XCT WSIZE RCL SETSET, ADD (1 ADD NUMTEM DAC NUMTEM ADD #NUMAX SPA!CLL STL LAC NUMTEM SNL!CMA DAC NUMAX EXIT1 PVAR, DAC ALTEM3 LAC I ALTEM3 DAC #PVART DAC #INDIND RAL4 AND (3 DSPTCH PDIST, JMP PVAR0 JMP PVAR1 JMP PVAR2 PVAR3, LAC I PVART DAC COMMON LAW PARMES-1 JMP PUNDCR PARMES, TEXT .(. EXTPUN, LAW EXTMES-1 PUNSYC JMP PUNCRR PVAR0, LAC I PVART DAC COMMON ISZ PVART ISZ ALTEM3 LAC I PVART DAC COMMON+1 LAC I ALTEM3 SAD (CMT UNOP1 SKP JMP PVARC DZM I ALTEM3 LAC FOFFF DAC #OLDMOD DUMSYM JMP PVARR2 LAC TYPE1 SEARCH SKP JMP PVARR LAW 2 INSERT LAC TYPE3 JMP PVARR EXTPUN PVARR, FUNXF CMA DAC FOFFF#1 PVARR2, DZM OVSYM LAW MESCAL-1 PUNSTR PUNMUC LAM -1 ADD ALTEM3 DAC ALTEM4 DAC #TEMIND LAC FOFFF1 AND (40000 ADD (LAC I FOFFF1 DAC I TEMIND LAC TYPE3 SEARCH CLA!SKP CLC AND (10000 XOR I TEMIND DAC I TEMIND PVARL, LAC ALTEM3 DAC AUTOG1 PVARL2, LAC I AUTOG1 SPA JMP PVARQ DAC #ALTEM4 AND (ADD SAD (ADD JMP CONVAR LAC ALTEM4 AND (700000 SZA JMP MODTOT LAC ALTEM4 SETLC1+1 CMA AND (CHAR LF-CHAR LX PRETF1, ADD (CHAR LX DAC #FIXVAR PRETF, LAC (FLEX AR PUNCH3 LAC FIXVAR PUNCH2 LAC ALTEM4 OVRET+1 LAC ALTEM4 PVAR+2 JMP PVARL2 CONVAR, CLA JMP PRETF1 MODTOT, LAC ALTEM4 AND (40000 SZA!CLC JMP PRETF1-1 JMP PRETF1 MESCAL, TEXT . CAL . IFTEMZ, DZM COMMON DZM COMMON+1 DZM COMMON+2 PUNPER FLCONS PUNCH3 JMP ALRETU SETLC1, LAC I ALTEM1 DAC #STEMP LAC I STEMP DAC COMMON ISZ STEMP LAC I STEMP DAC COMMON+1 FUNXF, FIXFLO CLC!SKP CLA EXIT PUNIND, LAC #INDUM SZA JMP PUNCH2 EXIT DUMSYM, DZM INDUM XCT SWITCH EXIT1 LAC TYPE0 SEARCH EXIT1 DZM OVSYM LAC TYPE5 SEARCH JMP DUMIND DUMSY2, ADD (3 DAC SEARCC FIXFLO CLA!SKP CLC DAC FOFFF1 LAC I SEARCC DAC COMMON+1 LAC (141473 DAC COMMON EXIT DUMIND, LAC (CHAR LI DAC INDUM EXIT PVARC, TESTFU DUMSYM NOP PUNMUC, PUNIND LAC OVSYM SZA PUNCH3 PUNSYM JMP PUNCRR PVAR1, LAC INDIND AND (I SZA!CLL STL LAC (FLEX I SZL PUNCH2 LAC PVART AND (7777 DAC COMMON LAW TEMME2-1 JMP PUNDCR PVAR2, DZM TEMIND LAW TEMADM-1 JMP PUNSTR TEMADM, TEXT .I TEMAD . SETMODE, DSPARA FIXFLO JMP OVFIX CLC SAD FOFFF EXIT2 JMP PFIXI EXPON, ISZ EXPCOT JMP IGROU3 LAW EXPMES-1 PUNSTR IGROU3, LAM -1 ADD TOP DAC ALTEM1 ADD (2 DAC #ALTEM2 MIXMODE DAC ALTEM4 LAC ALTEM2 DAC ALTEM1 MIXMODE XOR ALTEM4 SZA JMP MIXEXP LAC ALTEM4 SAD FOFFF JMP IGROU2 ACINUT LAC ALTEM4 MODES-1 JMP IGROU2 EXPMES, TEXT . EXTERNAL XPN,EXP . MIXMODE, LAC I ALTEM1 SZA JMP .+3 LAC FOFFF EXIT AND NOPER SNA JMP .+5 AND (40000 SZA CLC EXIT LAC I ALTEM1 FUNQUR, DAC ALTEM1 LAC I ALTEM1 DAC COMMON ISZ ALTEM1 LAC I ALTEM1 DAC COMMON+1 FUNXF CMA EXIT ALGORI, DAC #NEWOPI LAC VARS SZA!CLL STL DZM VARS LAC NEWOPI SAD (ADDOP JMP ALO1 SAD (SUBOP JMP ALO2 SAD (UNOPEN JMP ALO3 SAD (CLOSEO JMP ALO4 SAD (CRTURN JMP ALO4+1 SNL HELP 707 EI JMP ALO4+1 ALO1, CLA!SKP ALO2, LAC (UNSUB SKP ALO3, LAC (OPENOP SNL DAC NEWOPI SKP ALO4, ISZ VARS LAC NEWOPI SNA EXIT LAC I NEWOPI AND (1700 CMA NEWOPL, DAC NEWOP NEWOPT, XCT TOP AND (1700 ADD #NEWOP ADD (1 SMA JMP PROD NEWOPR, LAC N#EWOPI SAD (COMOP EXIT ISZ IT XOR (XCT DAC I IT LAC (LAC I-LAW ADD IT DAC TOP EXIT PROD, LAC I TOP DAC ALTEM1 ISZ ALTEM1 LAC I ALTEM1 DAC ALTEM1 SMA JMP I ALTEM1 DAC I TOP JMP NEWOPT CERR, HELP 717 EI OVFOO, LAM -1 ADD TOP DAC ALTEM3 OVFOO2, LAC I ALTEM3 AND (ADD SZA EXIT EXIT1 TESTFU, LAC COMMON SAD NAME SKP EXIT LAC COMMON+1 SAD NAME+1 SKP EXIT XCT FUNSWT HELP IFU 1 LAC (FLEX RES DAC COMMON LAC (141414 DAC COMMON+1 EXIT IFU=EI 1500 UNOP, ACINUT LAC I TOP DAC ALTEM2 ISZ TOP LAC TOP DAC ALTEM1 LAC I TOP ISZ ALTEM1 DAC I ALTEM1 LAC ALTEM2 DAC I TOP MIXMODE MODES-1 IGROU POPTOP JMP NEWOPT PAREN, LAC TOP DAC #ALTEM7 ADD (2 DAC TOP LC1 LAC ALTEM7 ADD (1 ADD (-1 DAC TOP DAC ALTEM7 LAC I ALTEM7 SPA JMP BIFOP LAC ALTEM7 JMP .-7 BIFOP, LAC TOP DZM I TOP DAC ACIND ADD (1 JMP POPTOP+1 IFROU, LAC TOP DAC ALTEM1 ISZ ALTEM1 LAC I ALTEM1 DAC ALTEM3 LAC I TOP DAC I ALTEM1 LAC ALTEM3 DAC I TOP ISZ TOP LAC TOP DAC ALTEM3 ADD (3 DAC ALTEM1 ISZ ALTEM3 XCT ALTEM3 DAC ALTEM3 XCT ALTEM1 SAD ALTEM3 JMP SPIF IGROU2, IGROU POPTOP JMP NEWOPT SAVARG, LAC I IT SNA JMP ACINU EXIT PVARQ, LAC OLDMOD DAC FOFFF EXIT SPIF, LAC (XCT IFOPZ DAC I TOP JMP IGROU2 OPARG, LAC NEWOPI SAD (COMOP JMP SAVARG SAD (CLOSEO SKP JMP NEWOPR SAVARG LAC TEMIND SZA SAVTEM ISZ IT CLC DAC I IT TAD TOP PVAR JMP POPTOP MIXEXP, ACINUT LAC TOP DAC #ALTEM5 LAC ALTEM4 SNA JMP EASY ISZ TOP ISZ TOP EASY, LC1 LAC ALTEM5 DAC TOP CLC MODEA1 JMP IGROU2 SAVTEM, ACINUT LAC I TEMIND AND (DAC 10000 ADD (JMS ADD NUMTEM DAC I TEMIND LAC NUMTEM DAC #TEMNUM LAC I TEMIND AND (10000 SNA JMP DSAV LAC I TEMIND AND (DAC SZA CLC MODES-1 SETSE2 NOPER, NOP LAW SETMES-1 DAC #TTEM LAC TEMNUM DAC COMMON LAC TTEM DZM TEMIND PUNDCR, PUNSTD JMP PUNCRR DSAV, SETFIX SETSE2 NOP LAC (I ADD I TEMIND DAC I TEMIND LAW SETME3-1 JMP NOPER+2 SETME3, TEXT / LAC TEMAD DAC TEM+/ ALWOR0, LAC (1 LC1+2 JMP ALRETU EQUAS, LAM -1 ADD TOP DAC ALTEM1 LAC I ALTEM1 AND (700000 SNA JMP EQUAS2 LAC I ALTEM1 AND (DAC SZA!CLC CLA JMP .+3 EQUAS2, LAC I ALTEM1 SETLC1+1 CMA MODEA1 JMP ALRETU SETMES, TEXT / LAC I TEMAD DAC TEM+/ EXTMES, TEXT / EXTERNAL / MODEA1, DAC COMMON MODEA, SETMOD FLEX FXA FLEX FLO EXIT SETFIX, CLA DAC COMMON MODES, SETMOD FLEX LFM FLEX EFM EXIT ADDOP, CMT LV5 OPADD IGROU3 SUBOP, NLC LV5 OPSUB IGROU3 MULOP, CMT LV6 OPMUL IGROU3 DIVOP, LV6 OPDIV IGROU3 EQUOP, LV5 XCT EQUOP1 EQUOP1, NLC LV3 OPEQUX IGROU2 EXPOP, LV7 OPEXP EXPON OPENOP, LV11 XCT OPENOX OPENOX, NLC LV2 OPOPEN PAREN CLOSEO, LV1 OPCLOSE CERR IFOP, LV1 OPIF IFROU COMOP, LV2 0 DOOP, LV1 OPDO IGROU3 UNOPEN, NLC LV11 OPOPP XCT UNOP1 DOOP1, LV1 OPDO1 IGROU3 UNOP1, NLC LV4 OPOPP OPARG UNSUB, NLC LV10 UNSUBOP UNOP ULOAD, LV1 ULODOP UNOP IFOPZ, LV1 OPIFZ 0 FOFFF1, 0 START /INSTRUCTION GENERATORS ULODX, 130000 USX, FLEX LA FLEX C +15 FLEX CM FLEX A +7713 SUBF, FLEX FS FLEX B +15 130000 EQUALX, 321236 FLEX DAC 1633 130000 ADDX, FLEX AD FLEX D +15 130000 MULF, FLEX FM FLEX P +15 130000 DIVF, FLEX FD FLEX V +15 130000 SUBX, FLEX C+320000 FLEX MA +77 FLEX AD FLEX D +33 130000 DIVX, FLEX JM FLEX S D FLEX IV +77 FLEX LA FLEX C +15 130000 MULX, FLEX JM FLEX S M FLEX UL +77 FLEX LA FLEX C +15 130000 IFX, FLEX SZ+340000 FLEX A! 726344 FLEX A +7736 FLEX SNA CHAR RJ+773600 FLEX MP 753600+CHAR RS FLEX MA +77 FLEX JM FLEX P +35 FLEX JM FLEX P +76 130000 IFF, FLEX CA FLEX S +37 773600+CHAR RJ FLEX MP 353600+CHAR RJ FLEX MP 753600+CHAR RJ FLEX MP 761300 USF, FLEX FC FLEX S +15 130000 EXF, FLEX JM FLEX S E FLEX XP +77 FLEX LA FLEX C +15 130000 EXX, FLEX JM FLEX S X FLEX PN +77 FLEX LA FLEX C +15 130000 IFZER, FLEX SZ+340000 FLEX A! 726344 FLEX A +7736 FLEX SNA CHAR RJ+773600 FLEX MP CHAR RJ+753600 FLEX MP 351300 /FOURTRAN INFINITE INSTRUCTION GENERATOR GARBAGE OPSUB=LAC 0 OPEQUX=LAC 1 OPADD=LAC 2 OPMUL=LAC 3 OPDIV=LAC 4 OPDO=LAC 5 OPIF=LAC 6 UNSUBOP=LAC 7 OPEXP=LAC 10 OPDO1=LAC 11 OPIF1=LAC 12 ULODOP=LAC 12 OPIFZ=LAC 13 OPEQU=LAC 16 OPCLOSE=LAC 17 OPOPEN=LAC 20 OPOPP=LAC 21 LVM=0 LV0=100 LV1=200 LV2=300 LV3=400 LV4=500 LV5=600 LV6=700 LV7=1000 LV10=1100 LV11=1200 CMT=XCT NLC=-LAC OPTAB, LAC SUBX LAC SUBF LAC EQUALX LAC EQUALX LAC ADDX LAC ADDX LAC MULX LAC MULF LAC DIVX LAC DIVF LAC DOLOP LAC DOLOP LAC IFX LAC IFF LAC USX LAC USF LAC EXX LAC EXF LAC DOLOP1 LAC DOLOP1 LAC ULODX LAC ULODX LAC IFZER LAC IFF /IG'S FOR DO DOLOP, FLEX AD CHAR LD+17 FLEX DA CHAR LC+15 FLEX AD CHAR LD+14 FLEX SP FLEX A +13 DOLOP1, FLEX AD CHAR LD+17 FLEX DA CHAR LC+15 FLEX CM FLEX A FLEX ADD 1400+CHAR R TEXT .ADD (1 SMA . 130000 START FORTRAN II - TAPE 5 INPUT CONVERSION ROUTINES EXP2=COMMON GETNUM, CLC DAC FLT#SWT GET1, GETDEC CLA GET2, UNPACK JMP GET3 SAD (CHAR R. JMP DFPOIN SAD (CHAR RE JMP DFEX GET3, ISZ FLTSWT JMP GET4 LAC I2 DAC COMMON CLA EXIT GET4, LAC (DECIMAL 53 OCTAL NORMA+1 LAC JCNT JMP TERM DFPOIN, ISZ FLTSWT JMP TERM DZM J#CNT GETDGM NOP JMP GET2 DFEX, LAC (DECIMAL 53 OCTAL NORMA+1 CLA ISZ FLTSWT LAC JCNT DAC EXP10 IDXCHR LAC (FLEX + CHKNXT JMP DFEXM DFEXP, GETDEC CLA CMA TAD (1 JMP DFEX1 DFEXM, LAW CHAR R- CHKNXT JMP DFEXP GETDEC CLA DFEX1, TAD #EXP10 /INPUT CONVERSION - PAGE 2 TERM, CMA TAD (1 DAC EXP10 TERMC, SNA JMP DONF SMA JMP TERMP TERMM, MULTAD R0 OTEN0 I1 MULTAD R0 OTEN1 I2 MULTAD R1 OTEN0 I2 MULTAD R1 OTEN1 I3 MULTAD R2 OTEN0 I3 LAM -2 NORMA ISZ EXP10 JMP TERMM JMP DONF TERMP, CMA TAD (1 DAC EXP10 TERMP1, MULTAD R0 TEN I1 MULTAD R1 TEN I2 MULTAD R2 TEN I3 LAC (4 NORMA ISZ EXP10 JMP TERMP1 JMP DONF MULTAD, DSPARA LAC PARA 3 DAC M#ULT1 LAC PARA 2 DAC M#ULT0 LAC I PARA 1 MPY LAC I MULT0 CLL TAD I MULT1 DAC I MULT1 LAC MP5 SZL!CLL MULTD1, TAD (1 ISZ MULT1 TAD I MULT1 DAC I MULT1 SZL!CLA!CLL JMP MULTD1 EXIT3 /INPUT CONVERSION - PAGE 3 MOVER, DSPARA LAC I2 DAC I PARA 1 ISZ PARA 1 LAC I1 DAC I PARA 1 ISZ PARA 1 LAC I0 DAC I PARA 1 CLEARI EXIT1 CLEARI, DZM I0 DZM I1 DZM I2 DZM I3 EXIT NORMA, TAD EXP2 DAC EXP2 LAC I2 ADD I1 ADD I0 SNA JMP NORMZ NORM1, LAC I0 RAL SPA!CLC JMP NORMZ+1 TAD EXP2 DAC EXP2 LAC I2 RCL DAC I2 LAC I1 RAL DAC I1 LAC I0 RAL DAC I0 JMP NORM1 NORMZ, DZM EXP2 MOVER R2 EXIT /INPUT CONVERSION - PAGE 4 DONF, XCT WSIZE JMP DONF3 LAC EXP2 RAL9 AND (777000 DAC EXP2 LAC R0 RAR8 AND (777 XOR EXP2 DAC EXP2 LAC R0 RAL9 AND (377000 DAC COMMON 1 LAC R1 RAR9 AND (777 XOR COMMON 1 DONF1, DAC COMMON 1 LAC (1 EXIT DONF3, LAC R1 DAC COMMON 2 LAC R0 JMP DONF1 /INPUT CONVERSION - PAGE 5 /18+18@36 MULTIPLY MPY, DAC MP#1 DZM MP#5 SNA EXIT1 DSPARA XCT PARA 1 DAC MP#2 SNA EXIT1 LAM -22 DAC TEMCNT MP4, LAC MP1 RAR ISZ TEMCNT SKP EXIT1 DAC MP1 LAC MP5 SZL!CLL TAD MP2 RAR DAC MP5 JMP MP4 /INPUT CONVERSION - PAGE 5 /GET AN OCTAL OR DECIMAL INTEGER GETOCT, LAC (10) SKP GETDEC, LAC (12 DAC C#TEN CLEARI DZM JCNT LAC (EXIT GETDG1, DAC GETDGX 1 UNPACK JMP GETDGX DIGIT JMP GETDGX GETDGM, IDXCHR LAC (EXIT1 JMP GETDG1 GETDGX, LAC I2 XX DIGIT, SAD (20 CLA DAC MP5 TAD (-11 SMA EXIT LAC I0 AND (760000 SZA EXIT1 ISZ JCNT MOVER INT2 LAC MP5 DAC I2 MULTAD CTEN INT2 I2 MULTAD CTEN INT1 I1 MULTAD CTEN INT0 I0 EXIT1 /INPUT CONVERSION - PAGE 6 /DATA STORAGE OTEN0, 631463 OTEN1, 146315 TEN, 500000 I3, 0 I2, 0 I1, 0 I0, 0 R2, 0 R1, 0 R0, 0 INT2, 0 INT1, 0 INT0, 0 START PDP-9 FORTRAN II INTERRUPT I/O 7/7/66 /INTERRUPT SERVICE ENTRY ROUTINES INTRP, DAC Z#C RSF SKP JMP TAPINT /PERFORATED TAPE READER PSF SKP JMP PUNINT /PERFORATED TAPE PUNCH TSF SKP JMP TYPINT /TELETYPE TELEPRINTER IORS /INPUT/OUTPUT STATUS TO AC HLT KRB /READ KEYBOARD BUFFER. DISMIS=JMP . LAC 0 RAL LAC ZC ION JMP I 0 /CLEAR ALL FLEA BAGS CLFLAG, CAF CLA LAC (JMP INTRP DAC 1 ION EXIT /TAPE INTERRUPT ROUTINE GCR, LAC TAPO /INITIALIZED TO LAW TAPBUF SAD (LAW TAPBUF+TN JMP GCR2 /HALF BUFFER FILLED GCR0, ISZ TAPCNT JMP GCR1 /GET ANOTHER CHARACTER LAC R#ON /NO MORE CHARACTERS IN BUFFER SPA /IF FLAG SET, TURN READER ON AGAIN RSA DZM RON LAC TAPCNT /WAIT FOR PTR INTERRUPT SMA JMP .-2 JMP GCR0 GCR1, LAC MEDIAT /INITIALIZED TO 0 SZA JMP GCR6 LAC I TAPO /GET A CHARACTER ISZ TAPO GCR4, SKP /MODIFIED, DEPENDING IN WHICH HALF OF RING CHAR IS CONTAINED RAR9 GCR5, XX /SKP IF FIODEC, NOP IF ASCII JMS ATF GCR7, AND (77 /CHAR. IN RIGHT HALF OF AC EXIT GCR6, DZM MEDIAT LAC TAPCNT TAD (-0 DAC TAPCNT LAC ITEMB JMP GCR7 /START AT BEGINNING OF BUFFER, OTHER HALF OF WORD GCR2, LAW TAPBUF DAC TAPO LAC GCR4 XOR (SKP-NOP /MODIFY SKP + NOP DAC GCR4 /NOP IF CHAR ALREADY IN RIGHT HALF OF WORD JMP GCR0 WAIT=JMS . 0 LAC PON SZA JMS OPB LAC PON SNA JMP .-2 JMP I WAIT-JMS /COME HERE ON A TAPE INTERRUPT TAPINT, RRB JMS ENDTAP /CHECK END OF TAPE RSA SNA DISMIS /BLANK TAPE TAPX, DAC TA#PTEM TAPY, AND (100 /MODIFIED, JMP TAPINY IF ASCII SZA DISMIS /DELETED CHAR TAPIN4, LAC TAPTEM RTL RTL RTL RTL RAL ADD TAPTEM /FORM BUFFER RING XOR I TAPI AND TAPMSK /HALF OF BUFFER BEING FILLED DETERMINED XOR I TAPI /BY TAPMSK DAC I TAPI ISZ TAPI LAC TAPI SAD (LAW TAPBUF+TN JMP TAPIN2 /HALF OF BUFFER FILLED /COUNT AND CHECK FOR FULL BUFFER TAPIN1, LAM -1 ADD TAPCNT DAC TAPCNT SAD (-TN-TN+1 JMP TAPINW /NO MORE ROOM IN BUFFER TO READ IN CHARS DISMIS /SWITCH WORD HALFS, AND SET POINTER TO BEGINNING OF BUFFER TAPIN2, LAC TAPMSK CMA /MASK OUT OTHER HALF OF WORD DAC TAPMSK LAW TAPBUF /RESET POINTER DAC TAPI JMP TAPIN1 ENDTAP, 0 DAC RRRB# IORS AND (1000 /BIT 8, PTR EMPTY SZA JMP .+3 /NO MORE TAPE IN PTR LAC RRRB JMP I ENDTAP DZM RON /DO NOT SELECT READER AGAIN DISMIS /SET NEXT INTERRUPT TO TURN OFF READER TAPINW, LAC RON SPA DISMIS LAC (JMP .+3 /LET PROCESSING CATCH UP DAC TAPINT DISMIS LAC . 4 /COME HERE ON NEXT INTERRUPT DAC TAPINT CLC DAC RON /SET FLAG TO TURN READER ON AGAIN RRB JMS ENDTAP JMP TAPINT 3 /INITIALIZE READER AND PUNCH SERVICE ROUTINES STREAD, LAW TAPBUF DAC TA#PI DAC TA#PO DZM R#ON LAC (SKP DAC GCR4 DAC OPBM LAC (777 DAC TAPM#SK DAC PUNM#SK LAW PUNBUF DAC PU#NO DAC PU#NI LAM -PN-PN+1 DAC P#UNCNT CLC DAC P#ON DAC TAP#CNT DZM OPBF#LG RSA LAS AND (200 SZA JMP TAPINX /ASCII INPUT LAC (AND KONA DAC TAPY LAC (SKP DAC GCR5 TAPINZ, DZM MEDIA#T LAC (200 DAC AFC#ASE DZM FTACAS EXIT KONA, 100 TAPINX, LAC (JMP TAPINY DAC TAPY LAC (NOP DAC GCR5 JMP TAPINZ TAPINY, SAD (377 DISMIS JMP TAPIN4 /PUNCH FOR INTERRUPT IPB, AND (377 DAC IPBTTM LAS AND (400 SZA JMS FTA /BIT 9, ASCII OUTPUT LAC IPBTTM RCL RTL RTL RTL RTL ADD IPBT#TM /FORM BUFFER RING XOR I PUNI AND PUNMSK /PUNMSK DETERMINES IN WHICH HALF OF WORD CHARACTERS ARE BEING PUT XOR I PUNI DAC I PUNI ISZ PUNI LAC PUNI SAD (LAW PUNBUF+PN /CHECK END OF BUFFER HALF JMP IPB1 /CHECK COUNT FOR FULL BUFFER AND LEAVE IPB0, ISZ P#UNCNT EXITR LAC P#ON /NO MORE ROOM IN BUFFER SPA JMS OPB /TURN PUNCH ON AGAIN IF OFF LAC PUNCNT /LET PUNCHING CATCH UP SMA JMP .-2 EXITR /CHANGE WORD HALFS, START AT BUFFER BEGINNING IPB1, LAC PUNMSK CMA /MASK OTHER HALF OF WORD DAC PUNMSK LAW PUNBUF /RESET BUFFER POINTER DAC PUNI JMP IPB0 /GET A CHARACTER FROM THE BUFFER AND PUNCH IT /COME HERE ON PUNCH INTERRUPT PUNINT, JMS OPB DISMIS /PUNCH ONE CHARACTER FROM THE PUNCH BUFFER OPB, 0 LAC OPBFLG /CARRIAGE RETURN FLAG SZA JMP OPBLF /IF LAST CHAR PUNCHED A CR, PUNCH A LINE FEET TOO LAC PUNO SAD (LAW PUNBUF+PN JMP OPB1 /SWITCH BUFFER HALFS LAC PUNCNT SAD (-PN-PN+1 JMP OPBF /NOTHING LEFT IN BUFFER TO PUNCH TAD (-0 DAC PUNCNT LAC I PUNO ISZ PUNO OPBM, SKP /IN NOP, DEPENDING ON WHICH HALF OF BUFFER JMP OPBM1 /CHARACTER IN LEFT HALF, SHIFT OVER AND (377 SAD (215 ISZ OPBFLG /CARRIAGE RETURN, SET FLAG OPBPUN, JMS NOTAPE PLS DZM PON JMP I OPB OPBLF, DZM OPBFLG LAC (212 /LINE FEED JMP OPBPUN OPB1, LAW PUNBUF /SET BUFFER PNTR DAC PUNO LAC OPBM XOR (SKP-NOP /SKP IF IN RIGHT HALF OF BUFFER ALREADY DAC OPBM JMP OPB+4 OPBM1, RAR RTR RTR RTR RTR JMP OPBM+2 OPBF, PCF /TURN OFF PUNCH INTERRUPT, LET BUFFER FILL UP CLC DAC PON /SET FLAG TO RE-ENABLE IT JMP I OPB NOTAPE, 0 DAC PUNTEN# IORS AND (400 /BIT 9, PTP EMPTY SNA JMP .+4 /RETURN CLC /IF NO MORE TAPE IN PTP HLT /SET AC TO ALL ONES AND JMP .-6 /WAIT TIL PUNCH REFILLED LAC PUNTEN JMP I NOTAPE /TYPE TYPIT, 0 DAC TYP#BTA 703301 SKP JMS BTA TLS JMS TYPTES JMP . JMP I TYPIT TYPINT, TCF ISZ DISMIS TYPTES, 0 LAC TYPIT RAL LAC TYPBTA JMP I TYPTES /BAUDOT TO ASCII CONVERSION BTA, 0 AND (37 SAD (37 JMP BLETT SAD (33 JMP BFIG ADD (LAC BTAT DAC BTAA LAC B#FLC RAL BTAA, XX SNL RAR9 JMP I BTA BLETT, CLA!SKP BFIG, CLC DAC BFLC JMS TYPTES JMP I TYPIT BTAT, 200200 324265 215215 317271 240240 310243 316254 315256 212212 314251 322264 307246 311270 320260 303272 326273 305263 332242 304244 302277 323211 331266 306241 330257 301255 327262 312247 200200 325267 321261 313250 200200 /FIODEC TO ASCII FTA, 0 LAC PLK DAC FTAPL#K LAC IPBTTM AND (77 SAD (72 JMP FTAL SAD (74 JMP FTAU SAD (77 JMP FTACR ADD (LAC TFTA DAC FTAA LAC FT#ACAS RAR FTAA, XX SZL RAR9 FTAX, AND (377 DAC IPBTTM LAC FTAPLK DAC PLK JMP I FTA FTAL, CLA!SKP FTAU, LAW 1 DAC FTACAS CLC JMP FTAX FTACR, LAC (215 JMP FTAX TFTA, 240240 242261 247262 337263 245264 241265 246266 274267 276270 336271 200200 214214 377377 377377 377377 377377 300260 277257 323323 324324 325325 326326 327327 330330 331331 332332 377377 275254 377377 377377 211211 377377 244377 312312 313313 314314 315315 316316 317317 320320 321321 322322 377377 377377 253255 335251 334243 333250 377377 301301 302302 303303 304304 305305 306306 307307 310310 311311 377377 252256 377377 377377 377377 215215 /ASCII TO FIODEC ATF, 0 AND (377 TAD (-237 SPA JMP ATFL /NOT IN TABLE - LOW TAD (-77 SMA JMP GCR /NOT IN TABLE - HIGH, EXIT TAD (400100 RCR ADD (IASC DAC .+1 XX SNL RAR9 DAC IT#EMB AND (300 XOR AFCASE /INITIALLY 200 SNA JMP ATFC ATF1, LAC ITEMB JMP I ATF ATFL, SAD (-26 LAC (236 /TAB SAD (-23 LAC (13 /STOP CODE SAD (-22 LAC (277 /CARRIAGE RETURN SPA ATF4, JMP GCR /ELIMINATE ANY OTHER "LOW" CHARS JMP I ATF ATFC, LAC AFCASE CMA AND (300 DAC AFCASE SAD (100 CLA!SKP LAM -1 TAD (274 ISZ MEDIAT JMP I ATF /TABLE FOR ASCII TO FIODEC CONVERSION /CODE TRANSLATION CONVENTIONS ARE THOSE OF CANUTE /WITH THE TWO EMENDATIONS, VIZ, /(1) ASCII NUMBER SIGN SERVES AS FIODEC OVERBAR /(2) ASCII DOLLAR SIGN SERVES AS FIODEC UNDERBAR /COLON AND SEMICOLON ARE TRANSLATED AS SPACES /NINE BIT CODES FOR EVEN ASCII MOD(240) IN LEFT HALF, ODD ASCII RIGHT HALF /CASE CARRIED AS 100 FOR LC, 200 FOR UC, ALL LETTERS LC /INITIAL BIT IS PARITY BIT IN NINE BIT EQUIVALENCE SCHEME IASC, 500605 201556 240204 606202 157555 273254 533154 173521 120101 102503 104505 506107 110511 500500 207633 210621 220161 162563 164565 566167 170571 541542 143544 145146 547550 151522 123524 125126 527530 131257 656655 611603 START FORTRAN II EI=4000 EH=10000 FINISH=EXIT-JMP CRTURN, LV0 FINISH ENDCR=CRTURN CLHTMX, HELP 1110 EH CLHTMS, HELP 1111 EH CLHSCX, HELP 1112 EH VPOINT=PST DN=10 AN=1 DOG=PST 1 DO2=PST 2 DO3=PST 3 DOVAR=PST 4 DONUM=PST 5 DOOPR=PST 6 POLISH, XCT CRTURN POLISH POLEN/ POLEND, 0 TOP, LAC I POLISH PSTORE, PSTORE PUSHN/ CPOINT, CPOINT CN/ TAPBUF, TAPBUF TN 1/ PUNBUF, PUNBUF PN 1/ VARIABLES START HERE ?