Nonaligned Dev

Coding Insights

The Front-End (Part 2)

By alanPosted on Posted in UpdatesNo Comments on The Front-End (Part 2)

The following three files demonstrate how the front end works. These files are the original source file Maze.for, the pre-processed file Maze_pp.for, and the front end debug output TestProgram.out. These files are included here.

First Maze.for the original Fortran source:

[cc lang=”fortran” tab_size=”8″ lines=”20″ width=”600″] C C MAZE – USES A VT100 TO WANDER AROUND. C THE VT100 MUST HAVE ADVANCED VIDEO OPTION. C ANSI VT100 ESCAPE SEQUENCES ARE USED. C C WRITTEN BY DON MCLEAN C OF THE MACNEAL-SCHWENDLER CORP. C C THE PURPOSE OF THIS PROGRAM WAS TO C 1. LEARN SOMETHING ABOUT THE VT100 GRAPHICS. C 2. KEEP MY KIDS BUSY ON WEEKENDS. WHILE I TRIED C TO GET SOMETHING ELSE DONE. C C USE OF THIS PROGRAM FOR ANY PURPOSE OTHER THAN FUN C IS PROHIBITED. C IMPLICIT INTEGER*4 (A-Z) C C MAZE DIMENSIONS C HMAX AND WMAX SHOULD NOT BE LARGER THAN 22 AND 80 RESP. C PARAMETER HMAX=22, WMAX=80, DMAX=4 C DIMENSION SLEEP(2) C C DIMENSION IS HMAX*WMAX*DMAX INTEGER*2 EXIT(HMAX*WMAX*DMAX), MAT(HMAX*WMAX*DMAX) INTEGER*2 LCOUNT(DMAX) C BYTE CLEAR(2) C CHARACTER*200 INPUT C COMMON /MAZECM/ STARTH,STARTW,STARTD,ENDH,ENDW,ENDD,NOBELL C C CLEAR IS A VT100 RESET C DATA CLEAR / 27, ‘c’ / C C START – SEE IF AN OLD GAME IS TO BE USED. C WRITE(6,10) 10 FORMAT(‘ WELCOME TO MAZE’) C 20 WRITE(6,30) 30 FORMAT(‘ ARE YOU GOING TO PLAY A SAVED GAME? ‘,$) READ(5,40) NC,INPUT 40 FORMAT(Q,A) IF(INDEX(INPUT(1:NC),’Y’).NE.0) GO TO 120 SAVE = 0 C C INPUT DIMENSION OF MAZE C 50 WRITE(6,60) HMAX 60 FORMAT(‘ PLEASE INPUT HEIGHT OF MAZE – DEFAULT = ‘,I2,’ ‘,$) READ(5,40) NC,INPUT READ(INPUT,70,ERR=50) HEIGHT 70 FORMAT(BNI2) IF(HEIGHT.EQ.0) HEIGHT=HMAX IF(HEIGHT.LT.2) HEIGHT=2 IF(HEIGHT.GT.HMAX) HEIGHT=HMAX 80 WRITE(6,90) WMAX 90 FORMAT(‘ PLEASE INPUT WIDTH OF MAZE – DEFAULT = ‘,I2,’ ‘,$) READ(5,40) NC,INPUT READ(INPUT,70,ERR=80) WIDTH IF(WIDTH.EQ.0) WIDTH = WMAX IF(WIDTH.LT.2) WIDTH=2 IF(WIDTH.GT.WMAX) WIDTH=WMAX 100 WRITE(6,110) 110 FORMAT(‘ PLEASE INPUT DEPTH OF MAZE – DEFAULT = 1 ‘,$) READ(5,40) NC,INPUT READ(INPUT,70,ERR=100) DEPTH IF(DEPTH.LE.0) DEPTH = 1 IF(DEPTH.GT.DMAX) DEPTH = DMAX NTERMS = HEIGHT * WIDTH * DEPTH C C GENERATE MAZE C CALL MAZGEN(EXIT,LCOUNT,HEIGHT,WIDTH,DEPTH) GO TO 180 C C READ IN OLD MAZE C 120 WRITE(6,130) 130 FORMAT(‘ INPUT SAVED FILE NAME ‘,$) READ(5,40) NC,INPUT OPEN(UNIT=7,NAME=INPUT(1:NC),STATUS=’OLD’,ERR=140, 1 FORM=’UNFORMATTED’,READONLY) GO TO 160 C 140 WRITE(6,150) 150 FORMAT(‘ SAVE FILE NOT FOUND’) GO TO 20 160 READ(UNIT=7) HEIGHT,WIDTH,DEPTH,STARTH,STARTW,STARTD, 1 ENDH,ENDW,ENDD NTERMS = HEIGHT * WIDTH * DEPTH READ(UNIT=7) (EXIT(I),I=1,NTERMS) READ(UNIT=7) (MAT (I),I=1,NTERMS) CLOSE(UNIT=7) C WRITE(6,170) 170 FORMAT( ‘ DO YOU WANT THE PATHS RESTORED? ‘,$) READ(5,40) NC,INPUT IF(INDEX(INPUT(1:NC),’Y’).NE.0) SAVE=1 C SPECIAL CASE TO PRINT ALL PATHS IF(INDEX(INPUT(1:NC),’YES SOLUTIONS’).NE.0) GO TO 240 C C MAZE DESCRIPTION C 180 WRITE(6,190) HEIGHT,WIDTH,DEPTH 190 FORMAT(‘0′,’ YOUR MAZE HAS A HEIGHT OF’,I5,/, 1 ‘ AND A WIDTH OF’,I5,/, 1 ‘ WITH A DEPTH OF’,I5,//, 2 ‘ THE DIRECTION COMMANDS FOR MAZE ARE SINGLE LETTERS’,/, 2 ‘ N(ORTH), U(P), OR 8 IS UP’,/, 2 ‘ E(AST) , R(IGHT), OR 6 IS RIGHT’,/, 2 ‘ S(OUTH), D(OWN), OR 2 IS DOWN’,/, 2 ‘ W(EST) , L(EFT), OR 4 IS LEFT’,/, 2 ‘ I(N) , OR 9 IS IN TO SCREEN’,/, 2 ‘ O(UT) , OR 7 IS OUT OF SCREEN’,/, 2 ‘ OR YOU CAN USE THE ARROW KEYS FOR DIRECTIONS’,/, 3 ‘ THE COMMAND H(OME) RETURNS YOUR POSITION TO “S” OR “O”‘,/, 3 ‘ THE COMMAND Q(UIT) ENDS THE GAME’,/, 3 ‘ THE COMMAND B(ELL) MAKES THE TERMINAL BEEP (DEFAULT)’,/, 3 ‘ THE COMMAND M(UTE) TURNS OFF TERMINAL BEEPING’,/, 3 ‘ THE COMMAND C(URRENT) PRINTS THE CURRENT LEVEL’,/, 3 ‘ AFTER A Q(UIT) COMMAND YOU GET A CHANCE TO SAVE THE GAME’,/, 4 ‘ YOU CAN MOVE ALONG BORDERS’,//, 4 ‘ PRESS RETURN TO START’) READ(5,40) NC,INPUT NOBELL = 0 IF(INPUT(1:6).EQ.’NOBELL’) OFFBEL = 1 C C EXECUTE THE MAZE C IF(SAVE.EQ.1) GO TO 210 DO 200 I=1,NTERMS 200 MAT(I)=0 C 210 CALL MAZRUN(EXIT,MAT,HEIGHT,WIDTH,DEPTH) C C SAVE THE MAZE ON REQUEST C WRITE(6,220) 220 FORMAT(‘ DO YOU WANT TO SAVE THIS MAZE? ‘,$) READ(5,40) NC,INPUT C IF(INDEX(INPUT(1:NC),’Y’) .EQ.0) GO TO 260 WRITE(6,230) 230 FORMAT(‘ PLEASE INPUT FILE NAME ‘,$) READ(5,40) NC,INPUT OPEN(UNIT=7,NAME=INPUT(1:NC),STATUS=’NEW’,FORM=’UNFORMATTED’) WRITE(UNIT=7) HEIGHT,WIDTH,DEPTH,STARTH,STARTW,STARTD, 1 ENDH,ENDW,ENDD WRITE(UNIT=7) (EXIT(I),I=1,NTERMS) WRITE(UNIT=7) (MAT (I),I=1,NTERMS) CLOSE(UNIT=7) GO TO 260 C C PRINT THE SOLUTION TO A MAZE C 240 WRITE(6,250) HEIGHT,WIDTH,DEPTH 250 FORMAT(‘0′,’ YOUR MAZE HAS A HEIGHT OF’,I5,/, 1 ‘ AND A WIDTH OF’,I5,/, 1 ‘ WITH A DEPTH OF’,I5,//, 4 ‘ PRESS RETURN TO START’) READ(5,40) NC,INPUT C C PRINT MAZE C CALL MAZSOL(EXIT,MAT,HEIGHT,WIDTH,DEPTH) C C CLEAR SCREEN AND WAIT 2 SECONDS C 260 CALL MAZOUT(CLEAR,2,1,24,1,0,0,0) CALL SYS$BINTIM( ‘0 ::02.00’, SLEEP ) CALL SYS$SCHDWK( , , SLEEP , ) CALL SYS$HIBER STOP ‘BYE FROM MAZE’ END SUBROUTINE MAZGEN ( EXIT, LCOUNT, HEIGHT, WIDTH, DEPTH ) C C MAZGEN CREATES A MAZE IN EXIT C C MAZE IS CREATED BY GOING FROM A START LOCATION IN A C RANDOM WALK C SQUARES MAY ONLY BE ENTERED ONCE BUT CAN HAVE MULTIPLE EXITS C C MOVEMENT CONVENTION IS C 1 – SOUTH OR DOWN C 2 – EAST OR RIGHT C 4 – NORTH OR UP C 8 – WEST OR LEFT C 16 – IN A LEVEL C 32 – OUT A LEVEL C IMPLICIT INTEGER*4 (A-Z) C INTEGER*2 EXIT(HEIGHT,WIDTH,DEPTH), LCOUNT(DEPTH) C DIMENSION XDIR(4), YDIR(4), IN(4), OUT(4) C REAL SEED C COMMON /MAZECM/ STARTH,STARTW,STARTD,ENDH,ENDW,ENDD,NOBELL C DATA XDIR / 0, 1, 0,-1 / DATA YDIR / 1, 0,-1, 0 / DATA IN / 4, 8, 1, 2 / DATA OUT / 1, 2, 4, 8 / C C INITIALIZE AND PICK START AND END POSITIONS C SEED = FOR$SECNDS(0) H = HEIGHT W = WIDTH D = DEPTH NENTER = 1 LMAX = H * W NMAX = LMAX * D DO 10 L=1,D LCOUNT(L) = 0 DO 10 J=1,W DO 10 I=1,H 10 EXIT (I,J,L) = 0 C STARTH = IRAN(SEED,1,H) STARTW = IRAN(SEED,1,W) STARTD = 1 20 ENDH = IRAN(SEED,1,H) ENDW = IRAN(SEED,1,W) ENDD = D IF(STARTH.EQ.ENDH.AND.STARTW.EQ.ENDW.AND.STARTD.EQ.ENDD) 1 GO TO 20 SY = STARTH SX = STARTW SD = STARTD LCOUNT(SD) = 1 C C START FILLING IN MAZE C 30 ODIR = 0 Y = SY X = SX L = SD 40 DIR = IRAN(SEED,1,4) C DO NOT GO BACK ON YOURSELF IF( ODIR .EQ. OUT(DIR) ) GO TO 40 C C TEND TO MAKE LONGER LINES WITH NLOOPS C NLOOPS = IRAN(SEED,1,DIR) NCOUNT=0 50 NY = YDIR(DIR) + Y NX = XDIR(DIR) + X IF(NY.LT.1.OR.NY.GT.H) GO TO 40 IF(NX.LT.1.OR.NX.GT.W) GO TO 40 IF( EXIT(NY,NX,L) .EQ. 0 ) GO TO 80 C C CHECK FOR DEAD END C DO 60 I=1,4 TY = Y + YDIR(I) TX = X + XDIR(I) IF(TY.LT.1.OR.TY.GT.H) GO TO 60 IF(TX.LT.1.OR.TX.GT.W) GO TO 60 C NOT DEAD END TRY AGAIN IF( EXIT(TY,TX,L) .NE. 0 ) GO TO 60 GO TO 40 60 CONTINUE C C DEAD END RETURN TO START UNLESS ALL DIRECTIONS ARE TAKEN C IF( Y.EQ.SY .AND. X.EQ. SX ) GO TO 70 GO TO 30 C C ALL STARTS FROM THIS STARTING POSITION ARE TAKEN C PICK A NEW STARTING POSITIONS UNTIL MAZE IS FULL C 70 SY = IRAN(SEED,1,H) SX = IRAN(SEED,1,W) IF( EXIT(SY,SX,L) .EQ. 0 ) GO TO 70 IF( SY.EQ.STARTH.AND.SX.EQ.STARTW.AND.L.EQ.STARTD) GO TO 70 IF( SY.EQ.ENDH .AND.SX.EQ.ENDW .AND.L.EQ.ENDD) GO TO 70 IF( SY.EQ.Y .AND.SX.EQ.X ) GO TO 70 C C FILL IN A LAYER AT A TIME C IF(LCOUNT(L).NE.LMAX) GO TO 30 SD = SD + 1 EXIT(SY,SX, L) = IOR(EXIT(SY,SX, L),16) EXIT(SY,SX,SD) = IOR(EXIT(SY,SX,SD),32) NENTER = NENTER + 1 LCOUNT(SD) = 1 GO TO 30 C C DIRECTION TO GO FOUND C SET POSITION AS HAVING BEEN ENTERED AND C SET EXIT ARRAY TO DIRECTIONS INVOLVED C 80 ODIR = IN(DIR) EXIT(Y,X,L) = IOR(EXIT(Y,X,L),OUT(DIR)) EXIT(NY,NX,L) = IOR(EXIT(NY,NX,L),IN(DIR)) NENTER = NENTER + 1 LCOUNT(L) = LCOUNT(L)+1 C THE WAY OUT – ALL POINTS USED IF( NENTER .EQ. NMAX ) GO TO 90 Y = NY X = NX C C ONLY ALLOW THE END LOCATION TO BE ENTERED ONCE C IF(Y.EQ.ENDH.AND.X.EQ.ENDW.AND.L.EQ.ENDD) GO TO 30 NCOUNT=NCOUNT+1 IF(NCOUNT.LT.NLOOPS) GO TO 50 GO TO 40 C C OUT C 90 CONTINUE RETURN END SUBROUTINE MAZOUT( STRING, L, XOFF, Y, X, BOLD, REVERS, BLINK ) C***** C OUTPUTS -STRING- OF LENGTH -L- BYTES WITH BYTE NUMBER -XOFF- C OF STRING LOCATED AT CURSER LOCATION -X-, -Y-. C C BOLD, REVERS, BLINK ARE THE MODES TO OUTPUT THIS STRING C***** IMPLICIT INTEGER*2 (A-Z) C LOGICAL ANY C CHARACTER*300 CC C BYTE STRING(L), LINEOUT(300), CHAR(10), ESCAPE C DATA CHAR/ ‘0’, ‘1’, ‘2’, ‘3’, ‘4’, ‘5’, ‘6’, ‘7’, ‘8’, ‘9’ / DATA ESCAPE/ 27 /, C1,C2,C3 / 0,0,0/ C EQUIVALENCE(CC,LINEOUT(1)) C NL = X – XOFF + 1 NR = NL + L – 1 LENGTH = L ISTART = 1 NX = X NY = Y C C READJUST STRING LIMITS TO BE WITHIN SCREEN. IF STRING IS C COMPLETELY OUT OF SCREEN, THEN RETURN DOING NOTHING. C IF( NY.LT.1 .OR. NY.GT.24 ) RETURN IF( NR.LT.1 .OR. NL.GT.132 ) RETURN C C STRING (ALL OR PART) LIES IN THE SCREEN AREA. C IF( NL .GE. 1 ) GO TO 10 ISTART = 2 – NL NL = 1 LENGTH = LENGTH – ISTART + 1 C 10 IF( NR .LE. 132 ) GO TO 20 LENGTH = LENGTH – (NR-132) NR = 132 C C OK AT THIS POINT WE ARE GOING TO OUTPUT STRING(ISTART) THRU C STRING(ISTART+LENGTH-1) STARTING AT SCREEN LOCAT SCREEN ION (NL,NY) C C 20 LINEOUT(1) = ‘ ‘ 20 LINEOUT(1) = ESCAPE LINEOUT(2) = ‘[‘ IOUT = 2 COORD = NY DO 40 I = 1,2 ANY = .FALSE. DO 30 J = 1,3 N = MOD( COORD/10**(3-J), 10 ) IF( N.EQ.0 .AND. .NOT.ANY ) GO TO 30 ANY = .TRUE. IOUT = IOUT + 1 LINEOUT(IOUT) = CHAR(N+1) 30 CONTINUE IOUT = IOUT + 1 LINEOUT(IOUT) = ‘;’ COORD = NL 40 CONTINUE LINEOUT(IOUT) = ‘H’ C C CHECK MODES AGAINST CURRENT MODES AND OUTPUT APPROPRIATE C MODE INDICATORS. C IF( C1.NE.0 .AND. BOLD.EQ.0 ) GO TO 80 IF( C2.NE.0 .AND. REVERS.EQ.0 ) GO TO 80 IF( C3.NE.0 .AND. BLINK.EQ.0 ) GO TO 80 IF( C1.EQ.BOLD .AND. C2.EQ.REVERS .AND. C3.EQ.BLINK )GO TO 120 C C OK SIMPLY ADD OUTPUT MODES C LINEOUT(IOUT+1) = ESCAPE LINEOUT(IOUT+2) = ‘[‘ IOUT = IOUT + 2 C IF( C1.EQ.BOLD ) GO TO 50 LINEOUT(IOUT+1) = ‘1’ LINEOUT(IOUT+2) = ‘;’ IOUT = IOUT + 2 C1 = BOLD C 50 IF( C2 .EQ. REVERS ) GO TO 60 LINEOUT(IOUT+1) = ‘7’ LINEOUT(IOUT+2) = ‘;’ IOUT = IOUT + 2 C2 = REVERS C 60 IF( C3 .EQ. BLINK ) GO TO 70 LINEOUT(IOUT+1) = ‘5’ LINEOUT(IOUT+2) = ‘;’ IOUT = IOUT + 2 C3 = BLINK C 70 LINEOUT(IOUT) = ‘m’ GO TO 120 C C SOME OR ALL OF CURRENT MODES ARE NOT DESIRED, THUS C MUST DO A NORMAL FOLLOWED BY A RESET OF MODES DESIRED. C 80 LINEOUT(IOUT+1) = ESCAPE LINEOUT(IOUT+2) = ‘[‘ LINEOUT(IOUT+3) = ‘0’ LINEOUT(IOUT+4) = ‘;’ IOUT = IOUT + 4 C IF( BOLD .EQ. 0 ) GO TO 90 LINEOUT(IOUT+1) = ‘1’ LINEOUT(IOUT+2) = ‘;’ IOUT = IOUT + 2 C 90 C1 = BOLD IF( REVERS .EQ. 0 ) GO TO 100 LINEOUT(IOUT+1) = ‘7’ LINEOUT(IOUT+2) = ‘;’ IOUT = IOUT + 2 C 100 C2 = REVERS IF( BLINK .EQ. 0 ) GO TO 110 LINEOUT(IOUT+1) = ‘5’ LINEOUT(IOUT+2) = ‘;’ IOUT = IOUT + 2 C 110 C3 = BLINK LINEOUT(IOUT) = ‘m’ C***** C OUTPUT THE STRING WITH ITS LEADER C***** 120 DO 130 I = 1,LENGTH LINEOUT(IOUT+I) = STRING(ISTART+I-1) 130 CONTINUE IOUT = IOUT + LENGTH C***** C BACK UP CURSER ONE LINE IF AT LINE 24 C***** IF( NY .NE. 24 ) GO TO 140 LINEOUT(IOUT+1) = ESCAPE LINEOUT(IOUT+2) = ‘M’ IOUT = IOUT + 2 C***** C NOW READY TO OUTPUT THE STRING. C***** 140 RC = LIB$PUT_OUTPUT( CC(1:IOUT) ) RETURN END FUNCTION IRAN( SEED, I, J ) C***** C RETURNS A RANDOM NUMBER IN THE RANGE OF I THRU J. C SEED IS UPDATED AND THUS A VARIABLE MUST BE SENT. C***** REAL MTH$RANDOM FN = J – I + 1 IRAN = I + IFIX( FN * MTH$RANDOM(SEED) ) RETURN END SUBROUTINE MAZRUN(EXIT,MAT,HEIGHT,WIDTH,DEPTH) C C MAZRUN USES THE EXIT ARRAY TO CONTROL MAZE MOVEMENT C MAT ARRAY CONTAINS WHERE YOU HAVE BEEN C IMPLICIT INTEGER*4 (A-Z) C INTEGER*2 EXIT(HEIGHT,WIDTH,DEPTH) INTEGER*2 MAT (HEIGHT,WIDTH,DEPTH), ADD, MOVE(4,4) C DIMENSION XDIR(4), YDIR(4), OUT(6), SLEEP(2) C BYTE START(28),BELL,DEAD,LR132(10) BYTE SET(16) BYTE SCROL(8) C CHARACTER*200 INPUT CHARACTER*10 NAME CHARACTER*6 PORT C COMMON /MAZECM/ STARTH,STARTW,STARTD,ENDH,ENDW,ENDD,NOBELL C DATA XDIR / 0, 1, 0,-1 / DATA YDIR / 1, 0,-1, 0 / DATA OUT / 1, 2, 4, 8, 16, 32 / DATA BELL / 7 / C C ESCAPE SEQUENCES TO C ANSI MODE, ERASE SCREEN, ATTRIBUTES OFF, SCREEN NORMAL, C WRAP OFF, 80 COL., AND SPECIAL GRAPHICS C DATA START/ 27,’<',27,'[','2','J',27,'[','0','m',27,'[','?', 1 '5','l',27,'[','?','7','l', 27,'[','?','3','l',27,'(','0'/ C C GRAPHICS CHARACTERS TO USE FOR DRAWING LINES C DATA SET/' ', ' ', 'l', ' ', 'k', 'q', 'w', ' ', 1 'x', 'm', 't', 'j', 'u', 'v', 'n', 97 / C C ESCAPE SEQUENCE TO SET 132 CHARACTER LINE MODE C DATA LR132 / 27,'[','?','3','h' , 27,'[','?','5','h' / C C SET SCROLLING REGION TO LAST TWO LINES (23-24) C DATA SCROL / 27,'[','2','3',';','2','4','r' / DATA DEAD / 97 / DATA MOVE / 9, 5,-1, 3 1 ,10, 6, 3,-1 2 ,-1,12, 9,10 3 ,12,-1, 5, 6 / C C SET UP FOR QIO FROM TERMINAL C STATUS = SYS$TRNLOG( 'SYS$INPUT' ,, NAME ,,, ) PORT = NAME( 5:10 ) STATUS = SYS$ASSIGN( PORT, CHAN ,, ) IF( STATUS.NE.1 ) RETURN READ = 49 NOECHO = 64 CVLOW = 256 C C CLEAR SCREEN AND SHOW START AND END OF MAZE C CALL MAZOUT( START(1), 28, 1, 1,1, 0,0,0) IF(WIDTH.GT.80) CALL MAZOUT(LR132,10,1,1,1,0,0,0) CALL MAZOUT(SCROL,8,1,23,1,0,0,0) LOOP = 0 SOVER = 0 C C BORDER C 10 CONTINUE Y = STARTH X = STARTW L = STARTD 20 CONTINUE CALL MAZOUT(START(3),4,1,1,1,0,0,0) DO 40 I=1,HEIGHT CALL MAZOUT(' ',1,1, I,1 ,0,1,0) CALL MAZOUT(' ',1,1, I,WIDTH,0,1,0) IF(I.NE.1.AND.I.NE.HEIGHT) GO TO 40 DO 30 J=2,WIDTH-1 CALL MAZOUT(' ',1,1, I,J ,0,1,0) 30 CONTINUE 40 CONTINUE C C SHOW CURRENT STATUS OF MAZE SOLUTION C DO 50 J=1,WIDTH DO 50 I=1,HEIGHT IF(IAND(EXIT(I,J,L),16).NE.0) CALL MAZOUT('O',1,1,I,J,1,1,1) IF(MAT(I,J,L).EQ.0) GO TO 50 IF(MAT(I,J,L).GT.0.AND.MAT(I,J,L).LT.16) 1 CALL MAZOUT(SET(MAT(I,J,L)),1,1,I,J,1,1,0) IF(MAT(I,J,L).LT.0) CALL MAZOUT('~',1,1,I,J,1,1,0) IF(MAT(I,J,L).EQ.64) CALL MAZOUT(SET(16),1,1,I,J,1,1,0) IF(MAT(I,J,L).GT.15.AND.MAT(I,J,L).LT.32) 1 CALL MAZOUT('O',1,1,I,J,1,1,0) IF(MAT(I,J,L).GT.31.AND.MAT(I,J,L).LT.64) 1 CALL MAZOUT('O',1,1,I,J,1,1,1) 50 CONTINUE IF(LOOP.NE.0) CALL MAZOUT('O',1,1,Y,X,0,1,0) IF(L.EQ.ENDD) CALL MAZOUT( 'E',1,1,ENDH,ENDW,1,1,1) IF(L.EQ.STARTD) CALL MAZOUT( 'S',1,1,STARTH,STARTW,1,1,1) HOMEH = Y HOMEW = X 60 DEADE = 0 ODIR = 0 C C READ INPUT AND MOVE AS REQUESTED C ESC = 0 OPT = READ + NOECHO + CVLOW 70 CALL MAZOUT(' ',1,1,24,1,0,0,0) C STATUS = SYS$QIOW( , %VAL(CHAN), %VAL(OPT),,,, 1 %VAL(%LOC(INPUT)), %VAL(1),,,, ) IF( STATUS .NE. 1 ) RETURN C 80 FORMAT(Q,A) IF( ESC .EQ. 1 ) GO TO 140 IF(ICHAR(INPUT(1:1)) .EQ. 27 ) GO TO 130 IF(INPUT(1:1) .EQ.'Q') RETURN IF(INPUT(1:1) .EQ.'B') GO TO 90 IF(INPUT(1:1) .EQ.'M') GO TO 100 IF(INPUT(1:1) .EQ.'C' ) GO TO 110 IF(INPUT(1:1).NE.'H') GO TO 160 IF(Y.EQ.HOMEH.AND.X.EQ.HOMEW) GO TO 60 SOVER=1 ADD = -1 GO TO 220 90 NOBELL = 0 GO TO 70 100 NOBELL = 1 GO TO 70 110 WRITE(6,120) L 120 FORMAT( ' CURRENT LEVEL IS ',I2) GO TO 70 130 ESC = 1 GO TO 70 140 IF(INPUT(1:1) .EQ. '[' ) GO TO 70 GO TO 170 150 SOVER = 0 Y = HOMEH X = HOMEW GO TO 60 C C FIND DIRECTION TO GO C 160 DIR = 0 IF(ICHAR(INPUT(1:1)).EQ.27) GO TO 170 IF(INPUT(1:1).EQ.'S'.OR.INPUT(1:1).EQ.'D') DIR=1 IF(INPUT(1:1).EQ.'E'.OR.INPUT(1:1).EQ.'R') DIR=2 IF(INPUT(1:1).EQ.'N'.OR.INPUT(1:1).EQ.'U') DIR=3 IF(INPUT(1:1).EQ.'W'.OR.INPUT(1:1).EQ.'L') DIR=4 IF(INPUT(1:1).EQ.'2') DIR=1 IF(INPUT(1:1).EQ.'6') DIR=2 IF(INPUT(1:1).EQ.'8') DIR=3 IF(INPUT(1:1).EQ.'4') DIR=4 IF(INPUT(1:1).EQ.'I'.OR.INPUT(1:1).EQ.'9') DIR=5 IF(INPUT(1:1).EQ.'O'.OR.INPUT(1:1).EQ.'7') DIR=6 GO TO 180 C C CHECK ARROW KEYS ( DID NOT HAVE TIME TO MAKE THIS WORK ) C 170 IF(INPUT(1:1).EQ.'A') DIR=3 IF(INPUT(1:1).EQ.'B') DIR=1 IF(INPUT(1:1).EQ.'C') DIR=2 IF(INPUT(1:1).EQ.'D') DIR=4 ESC = 0 180 IF(DIR.NE.0) GO TO 200 C C COMMAND NOT RECOGNIZED C WRITE(6,190) 190 FORMAT(' TRY AGAIN ') GO TO 70 C C SEE IF DIRECTION IS LEGAL C 200 IF( IAND(EXIT(Y,X,L),OUT(DIR)) .NE. 0 ) GO TO 210 IF(NOBELL .NE. 0 ) GO TO 70 CALL MAZOUT( BELL ,1,1, 24,1, 0,0,0 ) GO TO 70 C C MOVE KEEP MOVEMENT ARRAY MAT UP TO DATE C 210 IF(Y.EQ.STARTH.AND.X.EQ.STARTW.AND.L.EQ.STARTD) GO TO 230 IF(DEADE.EQ.1) GO TO 230 ADD = OUT(DIR) IF(ODIR.NE.0.AND.DIR.LT.5) ADD = MOVE(ODIR,DIR) IF(ODIR.EQ.0) ADD = 0 220 IF(MAT(Y,X,L).EQ.-1) MAT(Y,X,L) = 0 IF(ADD.EQ.-1 .AND. MAT(Y,X,L).EQ.0 ) MAT(Y,X,L) = ADD IF(ADD.NE.-1) MAT(Y,X,L) = IOR(MAT(Y,X,L),ADD) IF(MAT(Y,X,L).GT.0.AND.MAT(Y,X,L).LT.16) 1 CALL MAZOUT(SET(MAT(Y,X,L)),1,1,Y,X,1,1,0) IF(MAT(Y,X,L).LT.0) CALL MAZOUT( '~' ,1,1,Y,X,1,1,0) 230 IF(SOVER.EQ.1) GO TO 150 IF( DIR.LT.5 ) GO TO 240 C C CHANGE LEVELS C IF( DIR.EQ.5 ) L = L+1 IF( DIR.EQ.6 ) L = L-1 MAT(Y,X,L) = OUT(DIR) LOOP = LOOP + 1 GO TO 20 240 Y = Y + YDIR(DIR) X = X + XDIR(DIR) IF(Y.EQ.STARTH.AND.X.EQ.STARTW.AND.L.EQ.STARTD) GO TO 70 IF(MAT(Y,X,L).LT.16) CALL MAZOUT('{',1,1,Y,X,0,1,1) DEADE = 0 ODIR = DIR IF(Y.EQ.ENDH.AND.X.EQ.ENDW.AND.L.EQ.ENDD) GO TO 270 C C CHECK FOR DEAD END C DO 250 I=1,6 IF( EXIT(Y,X,L) .EQ. OUT(I) ) GO TO 260 250 CONTINUE GO TO 70 C C DEAD END C 260 CALL MAZOUT(DEAD,1,1,Y,X,0,0,0) MAT(Y,X,L) = 64 DEADE = 1 GO TO 70 270 CONTINUE C C SUCCESS - END FOUND C DO 290 I=1,6 J=MOD(I,2) CALL MAZOUT('E',1,1,ENDH,ENDW,1,J,1) CALL MAZOUT(' ',1,1,24,1,0,J,1) WRITE(6,280) 280 FORMAT(' SUCCESS SUCCESS SUCCESS' ) CALL SYS$BINTIM( '0 ::00.50', SLEEP ) CALL SYS$SCHDWK( , , SLEEP , ) CALL SYS$HIBER 290 CONTINUE RETURN END SUBROUTINE MAZSOL(EXIT,MAT,HEIGHT,WIDTH,DEPTH) C C MAZSOL SHOWS ALL POSSIABLE PATHS IN MAZE C IMPLICIT INTEGER*4 (A-Z) C INTEGER*2 EXIT(HEIGHT,WIDTH,DEPTH) INTEGER*2 MAT (HEIGHT,WIDTH,DEPTH), ADD, MOVE(4,4) DIMENSION XDIR(4), YDIR(4), OUT(4), SLEEP(2) C BYTE START(28),BELL,DEAD,LR132(10) BYTE SET(16) BYTE SCROL(8) C CHARACTER*200 INPUT C COMMON /MAZECM/ STARTH,STARTW,STARTD,ENDH,ENDW,ENDD,NOBELL C DATA XDIR / 0, 1, 0,-1 / DATA YDIR / 1, 0,-1, 0 / DATA OUT / 1, 2, 4, 8 / DATA BELL / 7 / DATA START/ 27,'<',27,'[','2','J',27,'[','0','m',27,'[','?', 1 '5','l',27,'[','?','7','l', 27,'[','?','3','l',27,'(','0'/ DATA SET/' ', ' ', 'l', ' ', 'k', 'q', 'w', ' ', 1 'x', 'm', 't', 'j', 'u', 'v', 'n', 97 / DATA LR132 / 27,'[','?','3','h' , 27,'[','?','5','h' / DATA SCROL / 27,'[','2','3',';','2','4','r' / DATA DEAD / 97 / DATA MOVE / 0, 3, 9, 5 1 , 3, 0,10, 6 2 , 9,10, 0,12 3 , 5, 6,12, 0 / C C CLEAR SCREEN AND SHOW START AND END OF MAZE C CALL MAZOUT( START(1), 28, 1, 1,1, 0,0,0) IF(WIDTH.GT.80) CALL MAZOUT(LR132,10,1,1,1,0,0,0) CALL MAZOUT(SCROL,8,1,23,1,0,0,0) C C BORDER C DO 70 L = 1,DEPTH IF(L.EQ.ENDD) CALL MAZOUT( 'E',1,1,ENDH,ENDW,1,1,1) IF(L.EQ.STARTD) CALL MAZOUT( 'S',1,1,STARTH,STARTW,1,1,1) C C LOOP OVER MAZE C DO 40 X=1,WIDTH DO 40 Y=1,HEIGHT MAT(Y,X,L) = 0 IF(Y.EQ.STARTH.AND.X.EQ.STARTW.AND.L.EQ.STARTD) GO TO 40 IF(Y.EQ.ENDH .AND.X.EQ.ENDW .AND.L.EQ.ENDD) GO TO 40 C C CHECK FOR DEAD END C DO 20 ODIR=1,4 IF( EXIT(Y,X,L) .EQ. OUT(ODIR) ) GO TO 30 IF( IAND(EXIT(Y,X,L),OUT(ODIR)) .EQ. 0 ) GO TO 20 DO 10 DIR=1,4 IF(DIR.EQ.ODIR) GO TO 10 IF( IAND(EXIT(Y,X,L),OUT(DIR)) .EQ. 0 ) GO TO 10 ADD = MOVE(ODIR,DIR) MAT(Y,X,L) = IOR(MAT(Y,X,L),ADD) 10 CONTINUE 20 CONTINUE IF(EXIT(Y,X,L).LT.16) CALL MAZOUT(SET(MAT(Y,X,L)),1,1,Y,X,1,1,0) IF(IAND(EXIT(Y,X,L),16).NE.0) CALL MAZOUT('O',1,1,Y,X,1,1,1) IF(IAND(EXIT(Y,X,L),32).NE.0) CALL MAZOUT('O',1,1,Y,X,1,1,0) GO TO 40 C C DEAD END C 30 CALL MAZOUT(DEAD,1,1,Y,X,0,0,0) 40 CONTINUE C C SUCCESS - END FOUND C CALL MAZOUT(' ',1,1,24,1,0,0,0) WRITE(6,50) 50 FORMAT(' PRESS RETURN TO CONTINUE OR FINISH') READ(5,60) NC,INPUT 60 FORMAT(Q,A) 70 CONTINUE RETURN END [/cc]

The pre-processed version has the comments converted and the continuation lines appended:

[cc lang=”fortran” tab_size=”8″ lines=”20″ width=”600″] // // MAZE – USES A VT100 TO WANDER AROUND. // THE VT100 MUST HAVE ADVANCED VIDEO OPTION. // ANSI VT100 ESCAPE SEQUENCES ARE USED. // // WRITTEN BY DON MCLEAN // OF THE MACNEAL-SCHWENDLER CORP. // // THE PURPOSE OF THIS PROGRAM WAS TO // 1. LEARN SOMETHING ABOUT THE VT100 GRAPHICS. // 2. KEEP MY KIDS BUSY ON WEEKENDS. WHILE I TRIED // TO GET SOMETHING ELSE DONE. // // USE OF THIS PROGRAM FOR ANY PURPOSE OTHER THAN FUN // IS PROHIBITED. // IMPLICIT INTEGER*4 (A-Z) // // MAZE DIMENSIONS // HMAX AND WMAX SHOULD NOT BE LARGER THAN 22 AND 80 RESP. // PARAMETER HMAX=22, WMAX=80, DMAX=4 // DIMENSION SLEEP(2) // // DIMENSION IS HMAX*WMAX*DMAX INTEGER*2 EXIT(HMAX*WMAX*DMAX), MAT(HMAX*WMAX*DMAX) INTEGER*2 LCOUNT(DMAX) // BYTE CLEAR(2) // CHARACTER*200 INPUT // COMMON /MAZECM/ STARTH,STARTW,STARTD,ENDH,ENDW,ENDD,NOBELL // // CLEAR IS A VT100 RESET // DATA CLEAR / 27, ‘c’ / // // START – SEE IF AN OLD GAME IS TO BE USED. // WRITE(6,10) 10 FORMAT(‘ WELCOME TO MAZE’) // 20 WRITE(6,30) 30 FORMAT(‘ ARE YOU GOING TO PLAY A SAVED GAME? ‘,$) READ(5,40) NC,INPUT 40 FORMAT(Q,A) IF(INDEX(INPUT(1:NC),’Y’).NE.0) GO TO 120 SAVE = 0 // // INPUT DIMENSION OF MAZE // 50 WRITE(6,60) HMAX 60 FORMAT(‘ PLEASE INPUT HEIGHT OF MAZE – DEFAULT = ‘,I2,’ ‘,$) READ(5,40) NC,INPUT READ(INPUT,70,ERR=50) HEIGHT 70 FORMAT(BNI2) IF(HEIGHT.EQ.0) HEIGHT=HMAX IF(HEIGHT.LT.2) HEIGHT=2 IF(HEIGHT.GT.HMAX) HEIGHT=HMAX 80 WRITE(6,90) WMAX 90 FORMAT(‘ PLEASE INPUT WIDTH OF MAZE – DEFAULT = ‘,I2,’ ‘,$) READ(5,40) NC,INPUT READ(INPUT,70,ERR=80) WIDTH IF(WIDTH.EQ.0) WIDTH = WMAX IF(WIDTH.LT.2) WIDTH=2 IF(WIDTH.GT.WMAX) WIDTH=WMAX 100 WRITE(6,110) 110 FORMAT(‘ PLEASE INPUT DEPTH OF MAZE – DEFAULT = 1 ‘,$) READ(5,40) NC,INPUT READ(INPUT,70,ERR=100) DEPTH IF(DEPTH.LE.0) DEPTH = 1 IF(DEPTH.GT.DMAX) DEPTH = DMAX NTERMS = HEIGHT * WIDTH * DEPTH // // GENERATE MAZE // CALL MAZGEN(EXIT,LCOUNT,HEIGHT,WIDTH,DEPTH) GO TO 180 // // READ IN OLD MAZE // 120 WRITE(6,130) 130 FORMAT(‘ INPUT SAVED FILE NAME ‘,$) READ(5,40) NC,INPUT OPEN(UNIT=7,NAME=INPUT(1:NC),STATUS=’OLD’,ERR=140,FORM=’UNFORMATTED’,READONLY) GO TO 160 // 140 WRITE(6,150) 150 FORMAT(‘ SAVE FILE NOT FOUND’) GO TO 20 160 READ(UNIT=7) HEIGHT,WIDTH,DEPTH,STARTH,STARTW,STARTD,ENDH,ENDW,ENDD NTERMS = HEIGHT * WIDTH * DEPTH READ(UNIT=7) (EXIT(I),I=1,NTERMS) READ(UNIT=7) (MAT (I),I=1,NTERMS) CLOSE(UNIT=7) // WRITE(6,170) 170 FORMAT( ‘ DO YOU WANT THE PATHS RESTORED? ‘,$) READ(5,40) NC,INPUT IF(INDEX(INPUT(1:NC),’Y’).NE.0) SAVE=1 // SPECIAL CASE TO PRINT ALL PATHS IF(INDEX(INPUT(1:NC),’YES SOLUTIONS’).NE.0) GO TO 240 // // MAZE DESCRIPTION // 180 WRITE(6,190) HEIGHT,WIDTH,DEPTH 190 FORMAT(‘0′,’ YOUR MAZE HAS A HEIGHT OF’,I5,/,’ AND A WIDTH OF’,I5,/,’ WITH A DEPTH OF’,I5,//,’ THE DIRECTION COMMANDS FOR MAZE ARE SINGLE LETTERS’,/,’ N(ORTH), U(P), OR 8 IS UP’,/,’ E(AST) , R(IGHT), OR 6 IS RIGHT’,/,’ S(OUTH), D(OWN), OR 2 IS DOWN’,/,’ W(EST) , L(EFT), OR 4 IS LEFT’,/,’ I(N) , OR 9 IS IN TO SCREEN’,/,’ O(UT) , OR 7 IS OUT OF SCREEN’,/,’ OR YOU CAN USE THE ARROW KEYS FOR DIRECTIONS’,/,’ THE COMMAND H(OME) RETURNS YOUR POSITION TO “S” OR “O”‘,/,’ THE COMMAND Q(UIT) ENDS THE GAME’,/,’ THE COMMAND B(ELL) MAKES THE TERMINAL BEEP (DEFAULT)’,/,’ THE COMMAND M(UTE) TURNS OFF TERMINAL BEEPING’,/,’ THE COMMAND C(URRENT) PRINTS THE CURRENT LEVEL’,/,’ AFTER A Q(UIT) COMMAND YOU GET A CHANCE TO SAVE THE GAME’,/,’ YOU CAN MOVE ALONG BORDERS’,//,’ PRESS RETURN TO START’) READ(5,40) NC,INPUT NOBELL = 0 IF(INPUT(1:6).EQ.’NOBELL’) OFFBEL = 1 // // EXECUTE THE MAZE // IF(SAVE.EQ.1) GO TO 210 DO 200 I=1,NTERMS 200 MAT(I)=0 // 210 CALL MAZRUN(EXIT,MAT,HEIGHT,WIDTH,DEPTH) // // SAVE THE MAZE ON REQUEST // WRITE(6,220) 220 FORMAT(‘ DO YOU WANT TO SAVE THIS MAZE? ‘,$) READ(5,40) NC,INPUT // IF(INDEX(INPUT(1:NC),’Y’) .EQ.0) GO TO 260 WRITE(6,230) 230 FORMAT(‘ PLEASE INPUT FILE NAME ‘,$) READ(5,40) NC,INPUT OPEN(UNIT=7,NAME=INPUT(1:NC),STATUS=’NEW’,FORM=’UNFORMATTED’) WRITE(UNIT=7) HEIGHT,WIDTH,DEPTH,STARTH,STARTW,STARTD,ENDH,ENDW,ENDD WRITE(UNIT=7) (EXIT(I),I=1,NTERMS) WRITE(UNIT=7) (MAT (I),I=1,NTERMS) CLOSE(UNIT=7) GO TO 260 // // PRINT THE SOLUTION TO A MAZE // 240 WRITE(6,250) HEIGHT,WIDTH,DEPTH 250 FORMAT(‘0′,’ YOUR MAZE HAS A HEIGHT OF’,I5,/,’ AND A WIDTH OF’,I5,/,’ WITH A DEPTH OF’,I5,//,’ PRESS RETURN TO START’) READ(5,40) NC,INPUT // // PRINT MAZE // CALL MAZSOL(EXIT,MAT,HEIGHT,WIDTH,DEPTH) // // CLEAR SCREEN AND WAIT 2 SECONDS // 260 CALL MAZOUT(CLEAR,2,1,24,1,0,0,0) CALL SYS$BINTIM( ‘0 ::02.00’, SLEEP ) CALL SYS$SCHDWK( , , SLEEP , ) CALL SYS$HIBER STOP ‘BYE FROM MAZE’ END SUBROUTINE MAZGEN ( EXIT, LCOUNT, HEIGHT, WIDTH, DEPTH ) // // MAZGEN CREATES A MAZE IN EXIT // // MAZE IS CREATED BY GOING FROM A START LOCATION IN A // RANDOM WALK // SQUARES MAY ONLY BE ENTERED ONCE BUT CAN HAVE MULTIPLE EXITS // // MOVEMENT CONVENTION IS // 1 – SOUTH OR DOWN // 2 – EAST OR RIGHT // 4 – NORTH OR UP // 8 – WEST OR LEFT // 16 – IN A LEVEL // 32 – OUT A LEVEL // IMPLICIT INTEGER*4 (A-Z) // INTEGER*2 EXIT(HEIGHT,WIDTH,DEPTH), LCOUNT(DEPTH) // DIMENSION XDIR(4), YDIR(4), IN(4), OUT(4) // REAL SEED // COMMON /MAZECM/ STARTH,STARTW,STARTD,ENDH,ENDW,ENDD,NOBELL // DATA XDIR / 0, 1, 0,-1 / DATA YDIR / 1, 0,-1, 0 / DATA IN / 4, 8, 1, 2 / DATA OUT / 1, 2, 4, 8 / // // INITIALIZE AND PICK START AND END POSITIONS // SEED = FOR$SECNDS(0) H = HEIGHT W = WIDTH D = DEPTH NENTER = 1 LMAX = H * W NMAX = LMAX * D DO 10 L=1,D LCOUNT(L) = 0 DO 10 J=1,W DO 10 I=1,H 10 EXIT (I,J,L) = 0 // STARTH = IRAN(SEED,1,H) STARTW = IRAN(SEED,1,W) STARTD = 1 20 ENDH = IRAN(SEED,1,H) ENDW = IRAN(SEED,1,W) ENDD = D IF(STARTH.EQ.ENDH.AND.STARTW.EQ.ENDW.AND.STARTD.EQ.ENDD)GO TO 20 SY = STARTH SX = STARTW SD = STARTD LCOUNT(SD) = 1 // // START FILLING IN MAZE // 30 ODIR = 0 Y = SY X = SX L = SD 40 DIR = IRAN(SEED,1,4) // DO NOT GO BACK ON YOURSELF IF( ODIR .EQ. OUT(DIR) ) GO TO 40 // // TEND TO MAKE LONGER LINES WITH NLOOPS // NLOOPS = IRAN(SEED,1,DIR) NCOUNT=0 50 NY = YDIR(DIR) + Y NX = XDIR(DIR) + X IF(NY.LT.1.OR.NY.GT.H) GO TO 40 IF(NX.LT.1.OR.NX.GT.W) GO TO 40 IF( EXIT(NY,NX,L) .EQ. 0 ) GO TO 80 // // CHECK FOR DEAD END // DO 60 I=1,4 TY = Y + YDIR(I) TX = X + XDIR(I) IF(TY.LT.1.OR.TY.GT.H) GO TO 60 IF(TX.LT.1.OR.TX.GT.W) GO TO 60 // NOT DEAD END TRY AGAIN IF( EXIT(TY,TX,L) .NE. 0 ) GO TO 60 GO TO 40 60 CONTINUE // // DEAD END RETURN TO START UNLESS ALL DIRECTIONS ARE TAKEN // IF( Y.EQ.SY .AND. X.EQ. SX ) GO TO 70 GO TO 30 // // ALL STARTS FROM THIS STARTING POSITION ARE TAKEN // PICK A NEW STARTING POSITIONS UNTIL MAZE IS FULL // 70 SY = IRAN(SEED,1,H) SX = IRAN(SEED,1,W) IF( EXIT(SY,SX,L) .EQ. 0 ) GO TO 70 IF( SY.EQ.STARTH.AND.SX.EQ.STARTW.AND.L.EQ.STARTD) GO TO 70 IF( SY.EQ.ENDH .AND.SX.EQ.ENDW .AND.L.EQ.ENDD) GO TO 70 IF( SY.EQ.Y .AND.SX.EQ.X ) GO TO 70 // // FILL IN A LAYER AT A TIME // IF(LCOUNT(L).NE.LMAX) GO TO 30 SD = SD + 1 EXIT(SY,SX, L) = IOR(EXIT(SY,SX, L),16) EXIT(SY,SX,SD) = IOR(EXIT(SY,SX,SD),32) NENTER = NENTER + 1 LCOUNT(SD) = 1 GO TO 30 // // DIRECTION TO GO FOUND // SET POSITION AS HAVING BEEN ENTERED AND // SET EXIT ARRAY TO DIRECTIONS INVOLVED // 80 ODIR = IN(DIR) EXIT(Y,X,L) = IOR(EXIT(Y,X,L),OUT(DIR)) EXIT(NY,NX,L) = IOR(EXIT(NY,NX,L),IN(DIR)) NENTER = NENTER + 1 LCOUNT(L) = LCOUNT(L)+1 // THE WAY OUT – ALL POINTS USED IF( NENTER .EQ. NMAX ) GO TO 90 Y = NY X = NX // // ONLY ALLOW THE END LOCATION TO BE ENTERED ONCE // IF(Y.EQ.ENDH.AND.X.EQ.ENDW.AND.L.EQ.ENDD) GO TO 30 NCOUNT=NCOUNT+1 IF(NCOUNT.LT.NLOOPS) GO TO 50 GO TO 40 // // OUT // 90 CONTINUE RETURN END SUBROUTINE MAZOUT( STRING, L, XOFF, Y, X, BOLD, REVERS, BLINK ) //***** // OUTPUTS -STRING- OF LENGTH -L- BYTES WITH BYTE NUMBER -XOFF- // OF STRING LOCATED AT CURSER LOCATION -X-, -Y-. // // BOLD, REVERS, BLINK ARE THE MODES TO OUTPUT THIS STRING //***** IMPLICIT INTEGER*2 (A-Z) // LOGICAL ANY // CHARACTER*300 CC // BYTE STRING(L), LINEOUT(300), CHAR(10), ESCAPE // DATA CHAR/ ‘0’, ‘1’, ‘2’, ‘3’, ‘4’, ‘5’, ‘6’, ‘7’, ‘8’, ‘9’ / DATA ESCAPE/ 27 /, C1,C2,C3 / 0,0,0/ // EQUIVALENCE(CC,LINEOUT(1)) // NL = X – XOFF + 1 NR = NL + L – 1 LENGTH = L ISTART = 1 NX = X NY = Y // // READJUST STRING LIMITS TO BE WITHIN SCREEN. IF STRING IS // COMPLETELY OUT OF SCREEN, THEN RETURN DOING NOTHING. // IF( NY.LT.1 .OR. NY.GT.24 ) RETURN IF( NR.LT.1 .OR. NL.GT.132 ) RETURN // // STRING (ALL OR PART) LIES IN THE SCREEN AREA. // IF( NL .GE. 1 ) GO TO 10 ISTART = 2 – NL NL = 1 LENGTH = LENGTH – ISTART + 1 // 10 IF( NR .LE. 132 ) GO TO 20 LENGTH = LENGTH – (NR-132) NR = 132 // // OK AT THIS POINT WE ARE GOING TO OUTPUT STRING(ISTART) THRU // STRING(ISTART+LENGTH-1) STARTING AT SCREEN LOCAT SCREEN ION (NL,NY) // // 20 LINEOUT(1) = ‘ ‘ 20 LINEOUT(1) = ESCAPE LINEOUT(2) = ‘[‘ IOUT = 2 COORD = NY DO 40 I = 1,2 ANY = .FALSE. DO 30 J = 1,3 N = MOD( COORD/10**(3-J), 10 ) IF( N.EQ.0 .AND. .NOT.ANY ) GO TO 30 ANY = .TRUE. IOUT = IOUT + 1 LINEOUT(IOUT) = CHAR(N+1) 30 CONTINUE IOUT = IOUT + 1 LINEOUT(IOUT) = ‘;’ COORD = NL 40 CONTINUE LINEOUT(IOUT) = ‘H’ // // CHECK MODES AGAINST CURRENT MODES AND OUTPUT APPROPRIATE // MODE INDICATORS. // IF( C1.NE.0 .AND. BOLD.EQ.0 ) GO TO 80 IF( C2.NE.0 .AND. REVERS.EQ.0 ) GO TO 80 IF( C3.NE.0 .AND. BLINK.EQ.0 ) GO TO 80 IF( C1.EQ.BOLD .AND. C2.EQ.REVERS .AND. C3.EQ.BLINK )GO TO 120 // // OK SIMPLY ADD OUTPUT MODES // LINEOUT(IOUT+1) = ESCAPE LINEOUT(IOUT+2) = ‘[‘ IOUT = IOUT + 2 // IF( C1.EQ.BOLD ) GO TO 50 LINEOUT(IOUT+1) = ‘1’ LINEOUT(IOUT+2) = ‘;’ IOUT = IOUT + 2 C1 = BOLD // 50 IF( C2 .EQ. REVERS ) GO TO 60 LINEOUT(IOUT+1) = ‘7’ LINEOUT(IOUT+2) = ‘;’ IOUT = IOUT + 2 C2 = REVERS // 60 IF( C3 .EQ. BLINK ) GO TO 70 LINEOUT(IOUT+1) = ‘5’ LINEOUT(IOUT+2) = ‘;’ IOUT = IOUT + 2 C3 = BLINK // 70 LINEOUT(IOUT) = ‘m’ GO TO 120 // // SOME OR ALL OF CURRENT MODES ARE NOT DESIRED, THUS // MUST DO A NORMAL FOLLOWED BY A RESET OF MODES DESIRED. // 80 LINEOUT(IOUT+1) = ESCAPE LINEOUT(IOUT+2) = ‘[‘ LINEOUT(IOUT+3) = ‘0’ LINEOUT(IOUT+4) = ‘;’ IOUT = IOUT + 4 // IF( BOLD .EQ. 0 ) GO TO 90 LINEOUT(IOUT+1) = ‘1’ LINEOUT(IOUT+2) = ‘;’ IOUT = IOUT + 2 // 90 C1 = BOLD IF( REVERS .EQ. 0 ) GO TO 100 LINEOUT(IOUT+1) = ‘7’ LINEOUT(IOUT+2) = ‘;’ IOUT = IOUT + 2 // 100 C2 = REVERS IF( BLINK .EQ. 0 ) GO TO 110 LINEOUT(IOUT+1) = ‘5’ LINEOUT(IOUT+2) = ‘;’ IOUT = IOUT + 2 // 110 C3 = BLINK LINEOUT(IOUT) = ‘m’ //***** // OUTPUT THE STRING WITH ITS LEADER //***** 120 DO 130 I = 1,LENGTH LINEOUT(IOUT+I) = STRING(ISTART+I-1) 130 CONTINUE IOUT = IOUT + LENGTH //***** // BACK UP CURSER ONE LINE IF AT LINE 24 //***** IF( NY .NE. 24 ) GO TO 140 LINEOUT(IOUT+1) = ESCAPE LINEOUT(IOUT+2) = ‘M’ IOUT = IOUT + 2 //***** // NOW READY TO OUTPUT THE STRING. //***** 140 RC = LIB$PUT_OUTPUT( CC(1:IOUT) ) RETURN END FUNCTION IRAN( SEED, I, J ) //***** // RETURNS A RANDOM NUMBER IN THE RANGE OF I THRU J. // SEED IS UPDATED AND THUS A VARIABLE MUST BE SENT. //***** REAL MTH$RANDOM FN = J – I + 1 IRAN = I + IFIX( FN * MTH$RANDOM(SEED) ) RETURN END SUBROUTINE MAZRUN(EXIT,MAT,HEIGHT,WIDTH,DEPTH) // // MAZRUN USES THE EXIT ARRAY TO CONTROL MAZE MOVEMENT // MAT ARRAY CONTAINS WHERE YOU HAVE BEEN // IMPLICIT INTEGER*4 (A-Z) // INTEGER*2 EXIT(HEIGHT,WIDTH,DEPTH) INTEGER*2 MAT (HEIGHT,WIDTH,DEPTH), ADD, MOVE(4,4) // DIMENSION XDIR(4), YDIR(4), OUT(6), SLEEP(2) // BYTE START(28),BELL,DEAD,LR132(10) BYTE SET(16) BYTE SCROL(8) // CHARACTER*200 INPUT CHARACTER*10 NAME CHARACTER*6 PORT // COMMON /MAZECM/ STARTH,STARTW,STARTD,ENDH,ENDW,ENDD,NOBELL // DATA XDIR / 0, 1, 0,-1 / DATA YDIR / 1, 0,-1, 0 / DATA OUT / 1, 2, 4, 8, 16, 32 / DATA BELL / 7 / // // ESCAPE SEQUENCES TO // ANSI MODE, ERASE SCREEN, ATTRIBUTES OFF, SCREEN NORMAL, // WRAP OFF, 80 COL., AND SPECIAL GRAPHICS // DATA START/ 27,’<',27,'[','2','J',27,'[','0','m',27,'[','?','5','l',27,'[','?','7','l', 27,'[','?','3','l',27,'(','0'/ // // GRAPHICS CHARACTERS TO USE FOR DRAWING LINES // DATA SET/' ', ' ', 'l', ' ', 'k', 'q', 'w', ' ','x', 'm', 't', 'j', 'u', 'v', 'n', 97 / // // ESCAPE SEQUENCE TO SET 132 CHARACTER LINE MODE // DATA LR132 / 27,'[','?','3','h' , 27,'[','?','5','h' / // // SET SCROLLING REGION TO LAST TWO LINES (23-24) // DATA SCROL / 27,'[','2','3',';','2','4','r' / DATA DEAD / 97 / DATA MOVE / 9, 5,-1, 3,10, 6, 3,-1,-1,12, 9,10,12,-1, 5, 6 / // // SET UP FOR QIO FROM TERMINAL // STATUS = SYS$TRNLOG( 'SYS$INPUT' ,, NAME ,,, ) PORT = NAME( 5:10 ) STATUS = SYS$ASSIGN( PORT, CHAN ,, ) IF( STATUS.NE.1 ) RETURN READ = 49 NOECHO = 64 CVLOW = 256 // // CLEAR SCREEN AND SHOW START AND END OF MAZE // CALL MAZOUT( START(1), 28, 1, 1,1, 0,0,0) IF(WIDTH.GT.80) CALL MAZOUT(LR132,10,1,1,1,0,0,0) CALL MAZOUT(SCROL,8,1,23,1,0,0,0) LOOP = 0 SOVER = 0 // // BORDER // 10 CONTINUE Y = STARTH X = STARTW L = STARTD 20 CONTINUE CALL MAZOUT(START(3),4,1,1,1,0,0,0) DO 40 I=1,HEIGHT CALL MAZOUT(' ',1,1, I,1 ,0,1,0) CALL MAZOUT(' ',1,1, I,WIDTH,0,1,0) IF(I.NE.1.AND.I.NE.HEIGHT) GO TO 40 DO 30 J=2,WIDTH-1 CALL MAZOUT(' ',1,1, I,J ,0,1,0) 30 CONTINUE 40 CONTINUE // // SHOW CURRENT STATUS OF MAZE SOLUTION // DO 50 J=1,WIDTH DO 50 I=1,HEIGHT IF(IAND(EXIT(I,J,L),16).NE.0) CALL MAZOUT('O',1,1,I,J,1,1,1) IF(MAT(I,J,L).EQ.0) GO TO 50 IF(MAT(I,J,L).GT.0.AND.MAT(I,J,L).LT.16)CALL MAZOUT(SET(MAT(I,J,L)),1,1,I,J,1,1,0) IF(MAT(I,J,L).LT.0) CALL MAZOUT('~',1,1,I,J,1,1,0) IF(MAT(I,J,L).EQ.64) CALL MAZOUT(SET(16),1,1,I,J,1,1,0) IF(MAT(I,J,L).GT.15.AND.MAT(I,J,L).LT.32)CALL MAZOUT('O',1,1,I,J,1,1,0) IF(MAT(I,J,L).GT.31.AND.MAT(I,J,L).LT.64)CALL MAZOUT('O',1,1,I,J,1,1,1) 50 CONTINUE IF(LOOP.NE.0) CALL MAZOUT('O',1,1,Y,X,0,1,0) IF(L.EQ.ENDD) CALL MAZOUT( 'E',1,1,ENDH,ENDW,1,1,1) IF(L.EQ.STARTD) CALL MAZOUT( 'S',1,1,STARTH,STARTW,1,1,1) HOMEH = Y HOMEW = X 60 DEADE = 0 ODIR = 0 // // READ INPUT AND MOVE AS REQUESTED // ESC = 0 OPT = READ + NOECHO + CVLOW 70 CALL MAZOUT(' ',1,1,24,1,0,0,0) // STATUS = SYS$QIOW( , %VAL(CHAN), %VAL(OPT),,,,%VAL(%LOC(INPUT)), %VAL(1),,,, ) IF( STATUS .NE. 1 ) RETURN // 80 FORMAT(Q,A) IF( ESC .EQ. 1 ) GO TO 140 IF(ICHAR(INPUT(1:1)) .EQ. 27 ) GO TO 130 IF(INPUT(1:1) .EQ.'Q') RETURN IF(INPUT(1:1) .EQ.'B') GO TO 90 IF(INPUT(1:1) .EQ.'M') GO TO 100 IF(INPUT(1:1) .EQ.'C' ) GO TO 110 IF(INPUT(1:1).NE.'H') GO TO 160 IF(Y.EQ.HOMEH.AND.X.EQ.HOMEW) GO TO 60 SOVER=1 ADD = -1 GO TO 220 90 NOBELL = 0 GO TO 70 100 NOBELL = 1 GO TO 70 110 WRITE(6,120) L 120 FORMAT( ' CURRENT LEVEL IS ',I2) GO TO 70 130 ESC = 1 GO TO 70 140 IF(INPUT(1:1) .EQ. '[' ) GO TO 70 GO TO 170 150 SOVER = 0 Y = HOMEH X = HOMEW GO TO 60 // // FIND DIRECTION TO GO // 160 DIR = 0 IF(ICHAR(INPUT(1:1)).EQ.27) GO TO 170 IF(INPUT(1:1).EQ.'S'.OR.INPUT(1:1).EQ.'D') DIR=1 IF(INPUT(1:1).EQ.'E'.OR.INPUT(1:1).EQ.'R') DIR=2 IF(INPUT(1:1).EQ.'N'.OR.INPUT(1:1).EQ.'U') DIR=3 IF(INPUT(1:1).EQ.'W'.OR.INPUT(1:1).EQ.'L') DIR=4 IF(INPUT(1:1).EQ.'2') DIR=1 IF(INPUT(1:1).EQ.'6') DIR=2 IF(INPUT(1:1).EQ.'8') DIR=3 IF(INPUT(1:1).EQ.'4') DIR=4 IF(INPUT(1:1).EQ.'I'.OR.INPUT(1:1).EQ.'9') DIR=5 IF(INPUT(1:1).EQ.'O'.OR.INPUT(1:1).EQ.'7') DIR=6 GO TO 180 // // CHECK ARROW KEYS ( DID NOT HAVE TIME TO MAKE THIS WORK ) // 170 IF(INPUT(1:1).EQ.'A') DIR=3 IF(INPUT(1:1).EQ.'B') DIR=1 IF(INPUT(1:1).EQ.'C') DIR=2 IF(INPUT(1:1).EQ.'D') DIR=4 ESC = 0 180 IF(DIR.NE.0) GO TO 200 // // COMMAND NOT RECOGNIZED // WRITE(6,190) 190 FORMAT(' TRY AGAIN ') GO TO 70 // // SEE IF DIRECTION IS LEGAL // 200 IF( IAND(EXIT(Y,X,L),OUT(DIR)) .NE. 0 ) GO TO 210 IF(NOBELL .NE. 0 ) GO TO 70 CALL MAZOUT( BELL ,1,1, 24,1, 0,0,0 ) GO TO 70 // // MOVE KEEP MOVEMENT ARRAY MAT UP TO DATE // 210 IF(Y.EQ.STARTH.AND.X.EQ.STARTW.AND.L.EQ.STARTD) GO TO 230 IF(DEADE.EQ.1) GO TO 230 ADD = OUT(DIR) IF(ODIR.NE.0.AND.DIR.LT.5) ADD = MOVE(ODIR,DIR) IF(ODIR.EQ.0) ADD = 0 220 IF(MAT(Y,X,L).EQ.-1) MAT(Y,X,L) = 0 IF(ADD.EQ.-1 .AND. MAT(Y,X,L).EQ.0 ) MAT(Y,X,L) = ADD IF(ADD.NE.-1) MAT(Y,X,L) = IOR(MAT(Y,X,L),ADD) IF(MAT(Y,X,L).GT.0.AND.MAT(Y,X,L).LT.16)CALL MAZOUT(SET(MAT(Y,X,L)),1,1,Y,X,1,1,0) IF(MAT(Y,X,L).LT.0) CALL MAZOUT( '~' ,1,1,Y,X,1,1,0) 230 IF(SOVER.EQ.1) GO TO 150 IF( DIR.LT.5 ) GO TO 240 // // CHANGE LEVELS // IF( DIR.EQ.5 ) L = L+1 IF( DIR.EQ.6 ) L = L-1 MAT(Y,X,L) = OUT(DIR) LOOP = LOOP + 1 GO TO 20 240 Y = Y + YDIR(DIR) X = X + XDIR(DIR) IF(Y.EQ.STARTH.AND.X.EQ.STARTW.AND.L.EQ.STARTD) GO TO 70 IF(MAT(Y,X,L).LT.16) CALL MAZOUT('{',1,1,Y,X,0,1,1) DEADE = 0 ODIR = DIR IF(Y.EQ.ENDH.AND.X.EQ.ENDW.AND.L.EQ.ENDD) GO TO 270 // // CHECK FOR DEAD END // DO 250 I=1,6 IF( EXIT(Y,X,L) .EQ. OUT(I) ) GO TO 260 250 CONTINUE GO TO 70 // // DEAD END // 260 CALL MAZOUT(DEAD,1,1,Y,X,0,0,0) MAT(Y,X,L) = 64 DEADE = 1 GO TO 70 270 CONTINUE // // SUCCESS - END FOUND // DO 290 I=1,6 J=MOD(I,2) CALL MAZOUT('E',1,1,ENDH,ENDW,1,J,1) CALL MAZOUT(' ',1,1,24,1,0,J,1) WRITE(6,280) 280 FORMAT(' SUCCESS SUCCESS SUCCESS' ) CALL SYS$BINTIM( '0 ::00.50', SLEEP ) CALL SYS$SCHDWK( , , SLEEP , ) CALL SYS$HIBER 290 CONTINUE RETURN END SUBROUTINE MAZSOL(EXIT,MAT,HEIGHT,WIDTH,DEPTH) // // MAZSOL SHOWS ALL POSSIABLE PATHS IN MAZE // IMPLICIT INTEGER*4 (A-Z) // INTEGER*2 EXIT(HEIGHT,WIDTH,DEPTH) INTEGER*2 MAT (HEIGHT,WIDTH,DEPTH), ADD, MOVE(4,4) DIMENSION XDIR(4), YDIR(4), OUT(4), SLEEP(2) // BYTE START(28),BELL,DEAD,LR132(10) BYTE SET(16) BYTE SCROL(8) // CHARACTER*200 INPUT // COMMON /MAZECM/ STARTH,STARTW,STARTD,ENDH,ENDW,ENDD,NOBELL // DATA XDIR / 0, 1, 0,-1 / DATA YDIR / 1, 0,-1, 0 / DATA OUT / 1, 2, 4, 8 / DATA BELL / 7 / DATA START/ 27,'<',27,'[','2','J',27,'[','0','m',27,'[','?','5','l',27,'[','?','7','l', 27,'[','?','3','l',27,'(','0'/ DATA SET/' ', ' ', 'l', ' ', 'k', 'q', 'w', ' ','x', 'm', 't', 'j', 'u', 'v', 'n', 97 / DATA LR132 / 27,'[','?','3','h' , 27,'[','?','5','h' / DATA SCROL / 27,'[','2','3',';','2','4','r' / DATA DEAD / 97 / DATA MOVE / 0, 3, 9, 5, 3, 0,10, 6, 9,10, 0,12, 5, 6,12, 0 / // // CLEAR SCREEN AND SHOW START AND END OF MAZE // CALL MAZOUT( START(1), 28, 1, 1,1, 0,0,0) IF(WIDTH.GT.80) CALL MAZOUT(LR132,10,1,1,1,0,0,0) CALL MAZOUT(SCROL,8,1,23,1,0,0,0) // // BORDER // DO 70 L = 1,DEPTH IF(L.EQ.ENDD) CALL MAZOUT( 'E',1,1,ENDH,ENDW,1,1,1) IF(L.EQ.STARTD) CALL MAZOUT( 'S',1,1,STARTH,STARTW,1,1,1) // // LOOP OVER MAZE // DO 40 X=1,WIDTH DO 40 Y=1,HEIGHT MAT(Y,X,L) = 0 IF(Y.EQ.STARTH.AND.X.EQ.STARTW.AND.L.EQ.STARTD) GO TO 40 IF(Y.EQ.ENDH .AND.X.EQ.ENDW .AND.L.EQ.ENDD) GO TO 40 // // CHECK FOR DEAD END // DO 20 ODIR=1,4 IF( EXIT(Y,X,L) .EQ. OUT(ODIR) ) GO TO 30 IF( IAND(EXIT(Y,X,L),OUT(ODIR)) .EQ. 0 ) GO TO 20 DO 10 DIR=1,4 IF(DIR.EQ.ODIR) GO TO 10 IF( IAND(EXIT(Y,X,L),OUT(DIR)) .EQ. 0 ) GO TO 10 ADD = MOVE(ODIR,DIR) MAT(Y,X,L) = IOR(MAT(Y,X,L),ADD) 10 CONTINUE 20 CONTINUE IF(EXIT(Y,X,L).LT.16) CALL MAZOUT(SET(MAT(Y,X,L)),1,1,Y,X,1,1,0) IF(IAND(EXIT(Y,X,L),16).NE.0) CALL MAZOUT('O',1,1,Y,X,1,1,1) IF(IAND(EXIT(Y,X,L),32).NE.0) CALL MAZOUT('O',1,1,Y,X,1,1,0) GO TO 40 // // DEAD END // 30 CALL MAZOUT(DEAD,1,1,Y,X,0,0,0) 40 CONTINUE // // SUCCESS - END FOUND // CALL MAZOUT(' ',1,1,24,1,0,0,0) WRITE(6,50) 50 FORMAT(' PRESS RETURN TO CONTINUE OR FINISH') READ(5,60) NC,INPUT 60 FORMAT(Q,A) 70 CONTINUE RETURN END [/cc]

And the output shows how the tokens are consumed:

[cc lang=”text” tab_size=”8″ lines=”20″ width=”600″ ] –(end of buffer or a NUL) –accepting rule at line 86 (“// “) –accepting rule at line 86 (“// MAZE – USES A VT100 TO WANDER AROUND. “) –accepting rule at line 86 (“// THE VT100 MUST HAVE ADVANCED VIDEO OPTION. “) –accepting rule at line 86 (“// ANSI VT100 ESCAPE SEQUENCES ARE USED. “) –accepting rule at line 86 (“// “) –accepting rule at line 86 (“// WRITTEN BY DON MCLEAN “) –accepting rule at line 86 (“// OF THE MACNEAL-SCHWENDLER CORP. “) –accepting rule at line 86 (“// “) –accepting rule at line 86 (“// THE PURPOSE OF THIS PROGRAM WAS TO “) –accepting rule at line 86 (“// 1. LEARN SOMETHING ABOUT THE VT100 GRAPHICS. “) –accepting rule at line 86 (“// 2. KEEP MY KIDS BUSY ON WEEKENDS. WHILE I TRIED “) –accepting rule at line 86 (“// TO GET SOMETHING ELSE DONE. “) –accepting rule at line 86 (“// “) –accepting rule at line 86 (“// USE OF THIS PROGRAM FOR ANY PURPOSE OTHER THAN FUN “) –accepting rule at line 86 (“// IS PROHIBITED. “) –accepting rule at line 86 (“// “) –accepting rule at line 91 (” “) –accepting rule at line 73 (“IMPLICIT”) –accepting rule at line 91 (” “) –accepting rule at line 74 (“INTEGER”) –accepting rule at line 38 (“*”) –accepting rule at line 90 (“4″) –accepting rule at line 91 (” “) –accepting rule at line 35 (“(“) –accepting rule at line 87 (“A”) –accepting rule at line 36 (“-“) –accepting rule at line 87 (“Z”) –accepting rule at line 37 (“)”) –accepting rule at line 34 (” “) –accepting rule at line 86 (“// “) –accepting rule at line 86 (“// MAZE DIMENSIONS “) –accepting rule at line 86 (“// HMAX AND WMAX SHOULD NOT BE LARGER THAN 22 AND 80 RESP. “) –accepting rule at line 86 (“// “) –accepting rule at line 91 (” “) –accepting rule at line 77 (“PARAMETER”) –accepting rule at line 91 (” “) –accepting rule at line 87 (“HMAX”) –accepting rule at line 40 (“=”) –accepting rule at line 90 (“22”) –accepting rule at line 39 (“,”) –accepting rule at line 91 (” “) –accepting rule at line 87 (“WMAX”) –accepting rule at line 40 (“=”) –accepting rule at line 90 (“80”) –accepting rule at line 39 (“,”) –accepting rule at line 91 (” “) –accepting rule at line 87 (“DMAX”) –accepting rule at line 40 (“=”) –accepting rule at line 90 (“4″) –accepting rule at line 34 (” “) –accepting rule at line 86 (“// “) –accepting rule at line 91 (” “) –accepting rule at line 64 (“DIMENSION”) –accepting rule at line 91 (” “) –accepting rule at line 87 (“SLEEP”) –accepting rule at line 35 (“(“) –accepting rule at line 90 (“2”) –accepting rule at line 37 (“)”) –accepting rule at line 34 (” “) –accepting rule at line 86 (“// “) –accepting rule at line 86 (“// DIMENSION IS HMAX*WMAX*DMAX “) –accepting rule at line 91 (” “) –accepting rule at line 74 (“INTEGER”) –accepting rule at line 38 (“*”) –accepting rule at line 90 (“2″) –accepting rule at line 91 (” “) –accepting rule at line 87 (“EXIT”) –accepting rule at line 35 (“(“) –accepting rule at line 87 (“HMAX”) –accepting rule at line 38 (“*”) –accepting rule at line 87 (“WMAX”) –accepting rule at line 38 (“*”) –accepting rule at line 87 (“DMAX”) –accepting rule at line 37 (“)”) –accepting rule at line 39 (“,”) –accepting rule at line 91 (” “) –accepting rule at line 87 (“MAT”) –accepting rule at line 35 (“(“) –accepting rule at line 87 (“HMAX”) –accepting rule at line 38 (“*”) –accepting rule at line 87 (“WMAX”) –accepting rule at line 38 (“*”) –accepting rule at line 87 (“DMAX”) –accepting rule at line 37 (“)”) –accepting rule at line 34 (” “) –accepting rule at line 91 (” “) –accepting rule at line 74 (“INTEGER”) –accepting rule at line 38 (“*”) –accepting rule at line 90 (“2″) –accepting rule at line 91 (” “) –accepting rule at line 87 (“LCOUNT”) –accepting rule at line 35 (“(“) –accepting rule at line 87 (“DMAX”) –accepting rule at line 37 (“)”) –accepting rule at line 34 (” “) –accepting rule at line 86 (“// “) –accepting rule at line 91 (” “) –accepting rule at line 57 (“BYTE”) –accepting rule at line 91 (” “) –accepting rule at line 87 (“CLEAR”) –accepting rule at line 35 (“(“) –accepting rule at line 90 (“2”) –accepting rule at line 37 (“)”) –accepting rule at line 34 (” “) –accepting rule at line 86 (“// “) –accepting rule at line 91 (” “) –accepting rule at line 59 (“CHARACTER”) –accepting rule at line 38 (“*”) –accepting rule at line 90 (“200″) –accepting rule at line 91 (” “) –accepting rule at line 87 (“INPUT”) –accepting rule at line 34 (” “) –accepting rule at line 86 (“// “) –accepting rule at line 91 (” “) –accepting rule at line 61 (“COMMON”) –accepting rule at line 91 (” “) –accepting rule at line 42 (“/”) –accepting rule at line 87 (“MAZECM”) –accepting rule at line 42 (“/”) –accepting rule at line 91 (” “) –accepting rule at line 87 (“STARTH”) –accepting rule at line 39 (“,”) –accepting rule at line 87 (“STARTW”) –accepting rule at line 39 (“,”) –accepting rule at line 87 (“STARTD”) –accepting rule at line 39 (“,”) –accepting rule at line 87 (“ENDH”) –accepting rule at line 39 (“,”) –accepting rule at line 87 (“ENDW”) –accepting rule at line 39 (“,”) –accepting rule at line 87 (“ENDD”) –accepting rule at line 39 (“,”) –accepting rule at line 87 (“NOBELL”) –accepting rule at line 34 (” “) –accepting rule at line 86 (“// “) –accepting rule at line 86 (“// CLEAR IS A VT100 RESET “) –accepting rule at line 86 (“// “) –accepting rule at line 91 (” “) –accepting rule at line 63 (“DATA”) –accepting rule at line 91 (” “) –accepting rule at line 87 (“CLEAR”) –accepting rule at line 91 (” “) –accepting rule at line 42 (“/”) –accepting rule at line 91 (” “) –accepting rule at line 90 (“27”) –accepting rule at line 39 (“,”) –accepting rule at line 91 (” “) –accepting rule at line 88 (“‘c'”) –accepting rule at line 91 (” “) –accepting rule at line 42 (“/”) –accepting rule at line 34 (” “) –accepting rule at line 86 (“// “) –accepting rule at line 86 (“// START – SEE IF AN OLD GAME IS TO BE USED. “) –accepting rule at line 86 (“// “) –accepting rule at line 91 (” “) –accepting rule at line 84 (“WRITE”) –accepting rule at line 35 (“(“) –accepting rule at line 90 (“6”) –accepting rule at line 39 (“,”) –accepting rule at line 90 (“10”) –accepting rule at line 37 (“)”) –accepting rule at line 34 (” “) –accepting rule at line 91 (” “) –accepting rule at line 90 (“10″) –accepting rule at line 91 (” “) –accepting rule at line 69 (“FORMAT”) –accepting rule at line 35 (“(“) –accepting rule at line 88 (“‘ WELCOME TO MAZE'”) –accepting rule at line 37 (“)”) –accepting rule at line 34 (” “) –accepting rule at line 86 (“// “) –accepting rule at line 91 (” “) –accepting rule at line 90 (“20″) –accepting rule at line 91 (” “) –accepting rule at line 84 (“WRITE”) –accepting rule at line 35 (“(“) –accepting rule at line 90 (“6”) –accepting rule at line 39 (“,”) –accepting rule at line 90 (“30”) –accepting rule at line 37 (“)”) –accepting rule at line 34 (” “) –accepting rule at line 91 (” “) –accepting rule at line 90 (“30″) –accepting rule at line 91 (” “) –accepting rule at line 69 (“FORMAT”) –accepting rule at line 35 (“(“) –accepting rule at line 88 (“‘ ARE YOU GOING TO PLAY A SAVED GAME? ‘”) –accepting rule at line 39 (“,”) –accepting rule at line 43 (“$”) –accepting rule at line 37 (“)”) –accepting rule at line 34 (” “) –accepting rule at line 91 (” “) –accepting rule at line 78 (“READ”) –accepting rule at line 35 (“(“) –accepting rule at line 90 (“5”) –accepting rule at line 39 (“,”) –accepting rule at line 90 (“40”) –accepting rule at line 37 (“)”) –accepting rule at line 91 (” “) –accepting rule at line 87 (“NC”) –accepting rule at line 39 (“,”) –accepting rule at line 87 (“INPUT”) –accepting rule at line 34 (” “) –accepting rule at line 91 (” “) –accepting rule at line 90 (“40″) –accepting rule at line 91 (” “) –accepting rule at line 69 (“FORMAT”) –accepting rule at line 35 (“(“) –accepting rule at line 87 (“Q”) –accepting rule at line 39 (“,”) –accepting rule at line 87 (“A”) –accepting rule at line 37 (“)”) –accepting rule at line 34 (” “) –accepting rule at line 91 (” “) –accepting rule at line 72 (“IF”) –accepting rule at line 35 (“(“) –accepting rule at line 87 (“INDEX”) –accepting rule at line 35 (“(“) –accepting rule at line 87 (“INPUT”) –accepting rule at line 35 (“(“) –accepting rule at line 90 (“1”) –accepting rule at line 53 (“:”) –accepting rule at line 87 (“NC”) –accepting rule at line 37 (“)”) –accepting rule at line 39 (“,”) –accepting rule at line 88 (“‘Y'”) –accepting rule at line 37 (“)”) –accepting rule at line 47 (“.NE.”) –accepting rule at line 90 (“0”) –accepting rule at line 37 (“)”) –accepting rule at line 91 (” “) –accepting rule at line 71 (“GO”) –accepting rule at line 91 (” “) –accepting rule at line 83 (“TO”) –accepting rule at line 91 (” “) –accepting rule at line 90 (“120″) –accepting rule at line 34 (” “) –accepting rule at line 91 (” “) –accepting rule at line 87 (“SAVE”) –accepting rule at line 91 (” “) –accepting rule at line 40 (“=”) –accepting rule at line 91 (” “) –accepting rule at line 90 (“0″) –accepting rule at line 34 (” “) –accepting rule at line 86 (“// “) –accepting rule at line 86 (“// INPUT DIMENSION OF MAZE “) –accepting rule at line 86 (“// “) –accepting rule at line 91 (” “) –accepting rule at line 90 (“50″) –accepting rule at line 91 (” “) –accepting rule at line 84 (“WRITE”) –accepting rule at line 35 (“(“) –accepting rule at line 90 (“6”) –accepting rule at line 39 (“,”) –accepting rule at line 90 (“60”) –accepting rule at line 37 (“)”) –accepting rule at line 91 (” “) –accepting rule at line 87 (“HMAX”) –accepting rule at line 34 (” “) –accepting rule at line 91 (” “) –accepting rule at line 90 (“60″) –accepting rule at line 91 (” “) –accepting rule at line 69 (“FORMAT”) –accepting rule at line 35 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ARROW KEYS FOR DIRECTIONS’,/,’ THE COMMAND H(OME) RETURNS YOUR POSITION TO “S” OR “O”‘,/,’ THE COMMAND Q(UIT) ENDS THE GAME’,/,’ THE COMMAND B(ELL) MAKES THE TERMINAL BEEP (DEFAULT)’,/,’ THE COMMAND M(UTE) TURNS OFF TERMINAL BEEPING’,/,’ THE COMMAND C(URRENT) PRINTS THE CURRENT LEVEL’,/,’ AFTER A Q(UIT) COMMAND YOU GET A CHANCE TO SAVE THE GAME’,/,’ YOU CAN MOVE ALONG BORDERS’,//,’ PRESS RETURN TO START'”) –accepting rule at line 37 (“)”) –accepting rule at line 34 (” “) –accepting rule at line 91 (” “) –accepting rule at line 78 (“READ”) –accepting rule at line 35 (“(“) –accepting rule at line 90 (“5”) –accepting rule at line 39 (“,”) –accepting rule at line 90 (“40”) –accepting rule at line 37 (“)”) –accepting rule at line 91 (” “) –accepting rule at line 87 (“NC”) –accepting rule at line 39 (“,”) –accepting rule at line 87 (“INPUT”) –accepting rule at line 34 (” “) –accepting rule at line 91 (” “) –accepting rule at line 87 (“NOBELL”) –accepting rule at line 91 (” “) –accepting rule 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–accepting rule at line 37 (“)”) –accepting rule at line 91 (” “) –accepting rule at line 40 (“=”) –accepting rule at line 91 (” “) –accepting rule at line 87 (“IOR”) –accepting rule at line 35 (“(“) –accepting rule at line 87 (“EXIT”) –accepting rule at line 35 (“(“) –accepting rule at line 87 (“SY”) –accepting rule at line 39 (“,”) –accepting rule at line 87 (“SX”) –accepting rule at line 39 (“,”) –accepting rule at line 87 (“SD”) –accepting rule at line 37 (“)”) –accepting rule at line 39 (“,”) –accepting rule at line 90 (“32”) –accepting rule at line 37 (“)”) –accepting rule at line 34 (” “) –accepting rule at line 91 (” “) –accepting rule at line 87 (“NENTER”) –accepting rule at line 91 (” “) –accepting rule at line 40 (“=”) –accepting rule at line 91 (” “) –accepting rule at line 87 (“NENTER”) –accepting rule at line 91 (” “) –accepting rule at line 41 (“+”) –accepting rule at line 91 (” “) –accepting rule at line 90 (“1″) –accepting rule at line 34 (” “) –accepting rule at line 91 (” “) –accepting rule at line 87 (“LCOUNT”) –accepting rule at line 35 (“(“) –accepting rule at line 87 (“SD”) –accepting rule at line 37 (“)”) –accepting rule at line 91 (” “) –accepting rule at line 40 (“=”) –accepting rule at line 91 (” “) –accepting rule at line 90 (“1″) –accepting rule at line 34 (” “) –accepting rule at line 91 (” “) –accepting rule at line 71 (“GO”) –accepting rule at line 91 (” “) –accepting rule at line 83 (“TO”) –accepting rule at line 91 (” “) –accepting rule at line 90 (“30″) –accepting rule at line 34 (” “) –accepting rule at line 86 (“// “) –accepting rule at line 86 (“// DIRECTION TO GO FOUND “) –accepting rule at line 86 (“// SET POSITION AS HAVING BEEN ENTERED AND “) –accepting rule at line 86 (“// SET EXIT ARRAY TO DIRECTIONS INVOLVED “) –accepting rule at line 86 (“// “) –accepting rule at line 91 (” “) –accepting rule at line 90 (“80″) –accepting rule at line 91 (” “) –accepting rule at line 87 (“ODIR”) –accepting rule at line 91 (” “) –accepting rule at line 40 (“=”) –accepting rule at line 91 (” “) –accepting rule at line 87 (“IN”) –accepting rule at line 35 (“(“) –accepting rule at line 87 (“DIR”) –accepting rule at line 37 (“)”) –accepting rule at line 34 (” “) –accepting rule at line 91 (” “) –accepting rule at line 87 (“EXIT”) –accepting rule at line 35 (“(“) –accepting rule at line 87 (“Y”) –accepting rule at line 39 (“,”) –accepting rule at line 87 (“X”) –accepting rule at line 39 (“,”) –accepting rule at line 87 (“L”) –accepting rule at line 37 (“)”) –accepting rule at line 91 (” “) –accepting rule at line 40 (“=”) –accepting rule at line 91 (” “) –accepting rule at line 87 (“IOR”) –accepting rule at line 35 (“(“) –accepting rule at line 87 (“EXIT”) –accepting rule at line 35 (“(“) –accepting rule at line 87 (“Y”) –accepting rule at line 39 (“,”) –accepting rule at line 87 (“X”) –accepting rule at line 39 (“,”) –accepting rule at line 87 (“L”) –accepting rule at line 37 (“)”) –accepting rule at line 39 (“,”) –accepting rule at line 87 (“OUT”) –accepting rule at line 35 (“(“) –accepting rule at line 87 (“DIR”) –accepting rule at line 37 (“)”) –accepting rule at line 37 (“)”) –accepting rule at line 34 (” “) –accepting rule at line 91 (” “) –accepting rule at line 87 (“EXIT”) –accepting rule at line 35 (“(“) –accepting rule at line 87 (“NY”) –accepting rule at line 39 (“,”) –accepting rule at line 87 (“NX”) –accepting rule at line 39 (“,”) –accepting rule at line 87 (“L”) –accepting rule at line 37 (“)”) –accepting rule at line 91 (” “) –accepting rule at line 40 (“=”) –accepting rule at line 91 (” “) –accepting rule at line 87 (“IOR”) –accepting rule at line 35 (“(“) –accepting rule at line 87 (“EXIT”) –accepting rule at line 35 (“(“) –accepting rule at line 87 (“NY”) –accepting rule at line 39 (“,”) –accepting rule at line 87 (“NX”) –accepting rule at line 39 (“,”) –accepting rule at line 87 (“L”) –accepting rule at line 37 (“)”) –accepting rule at line 39 (“,”) –accepting rule at line 87 (“IN”) –accepting rule at line 35 (“(“) –accepting rule at line 87 (“DIR”) –accepting rule at line 37 (“)”) –accepting rule at line 37 (“)”) –accepting rule at line 34 (” “) –accepting rule at line 91 (” “) –accepting rule at line 87 (“NENTER”) –accepting rule at line 91 (” “) –accepting rule at line 40 (“=”) –accepting rule at line 91 (” “) –accepting rule at line 87 (“NENTER”) –accepting rule at line 91 (” “) –accepting rule at line 41 (“+”) –accepting rule at line 91 (” “) –accepting rule at line 90 (“1″) –accepting rule at line 34 (” “) –accepting rule at line 91 (” “) –accepting rule at line 87 (“LCOUNT”) –accepting rule at line 35 (“(“) –accepting rule at line 87 (“L”) –accepting rule at line 37 (“)”) –accepting rule at line 91 (” “) –accepting rule at line 40 (“=”) –accepting rule at line 91 (” “) –accepting rule at line 87 (“LCOUNT”) –accepting rule at line 35 (“(“) –accepting rule at line 87 (“L”) –accepting rule at line 37 (“)”) –accepting rule at line 41 (“+”) –accepting rule at line 90 (“1″) –accepting rule at line 34 (” “) –accepting rule at line 86 (“// THE WAY OUT – ALL POINTS USED “) –accepting rule at line 91 (” “) –accepting rule at line 72 (“IF”) –accepting rule at line 35 (“(“) –accepting rule at line 91 (” “) –accepting rule at line 87 (“NENTER”) –accepting rule at line 91 (” “) –accepting rule at line 46 (“.EQ.”) –accepting rule at line 91 (” “) –accepting rule at line 87 (“NMAX”) –accepting rule at line 91 (” “) –accepting rule at line 37 (“)”) –accepting rule at line 91 (” “) –accepting rule at line 71 (“GO”) –accepting rule at line 91 (” “) –accepting rule at line 83 (“TO”) –accepting rule at line 91 (” “) –accepting rule at line 90 (“90″) –accepting rule at line 34 (” “) –accepting rule at line 91 (” “) –accepting rule at line 87 (“Y”) –accepting rule at line 91 (” “) –accepting rule at line 40 (“=”) –accepting rule at line 91 (” “) –accepting rule at line 87 (“NY”) –accepting rule at line 34 (” “) –accepting rule at line 91 (” “) –accepting rule at line 87 (“X”) –accepting rule at line 91 (” “) –accepting rule at line 40 (“=”) –accepting rule at line 91 (” “) –accepting rule at line 87 (“NX”) –accepting rule at line 34 (” “) –accepting rule at line 86 (“// “) –accepting rule at line 86 (“// ONLY ALLOW THE END LOCATION TO BE ENTERED ONCE “) –accepting rule at line 86 (“// “) –accepting rule at line 91 (” “) –accepting rule at line 72 (“IF”) –accepting rule at line 35 (“(“) –accepting rule at line 87 (“Y”) –accepting rule at line 46 (“.EQ.”) –accepting rule at line 87 (“ENDH”) –accepting rule at line 45 (“.AND.”) –accepting rule at line 87 (“X”) –accepting rule at line 46 (“.EQ.”) –accepting rule at line 87 (“ENDW”) –accepting rule at line 45 (“.AND.”) –accepting rule at line 87 (“L”) –accepting rule at line 46 (“.EQ.”) –accepting rule at line 87 (“ENDD”) –accepting rule at line 37 (“)”) –accepting rule at line 91 (” “) –accepting rule at line 71 (“GO”) –accepting rule at line 91 (” “) –accepting rule at line 83 (“TO”) –accepting rule at line 91 (” “) –accepting rule at line 90 (“30″) –accepting rule at line 34 (” “) –accepting rule at line 91 (” “) –accepting rule at line 87 (“NCOUNT”) –accepting rule at line 40 (“=”) –accepting rule at line 87 (“NCOUNT”) –accepting rule at line 41 (“+”) –accepting rule at line 90 (“1″) –accepting rule at line 34 (” “) –accepting rule at line 91 (” “) –accepting rule at line 72 (“IF”) –accepting rule at line 35 (“(“) –accepting rule at line 87 (“NCOUNT”) –accepting rule at line 48 (“.LT.”) –accepting rule at line 87 (“NLOOPS”) –accepting rule at line 37 (“)”) –accepting rule at line 91 (” “) –accepting rule at line 71 (“GO”) –accepting rule at line 91 (” “) –accepting rule at line 83 (“TO”) –accepting rule at line 91 (” “) –accepting rule at line 90 (“50″) –accepting rule at line 34 (” “) –accepting rule at line 91 (” “) –accepting rule at line 71 (“GO”) –accepting rule at line 91 (” “) –accepting rule at line 83 (“TO”) –accepting rule at line 91 (” “) –accepting rule at line 90 (“40″) –accepting rule at line 34 (” “) –accepting rule at line 86 (“// “) –accepting rule at line 86 (“// OUT “) –accepting rule at line 86 (“// “) –accepting rule at line 91 (” “) –accepting rule at line 90 (“90″) –accepting rule at line 91 (” “) –accepting rule at line 62 (“CONTINUE”) –accepting rule at line 34 (” “) –accepting rule at line 91 (” “) –accepting rule at line 80 (“RETURN”) –accepting rule at line 34 (” “) –accepting rule at line 91 (” “) –accepting rule at line 67 (“END”) –accepting rule at line 34 (” “) –accepting rule at line 91 (” “) –accepting rule at line 34 (” “) –accepting rule at line 91 (” “) –accepting rule at line 82 (“SUBROUTINE”) –accepting rule at line 91 (” “) –accepting rule at line 87 (“MAZOUT”) –accepting rule at line 35 (“(“) –accepting rule at line 91 (” “) –accepting rule at line 87 (“STRING”) –accepting rule at line 39 (“,”) –accepting rule at line 91 (” “) –accepting rule at line 87 (“L”) –accepting rule at line 39 (“,”) –accepting rule at line 91 (” “) –accepting rule at line 87 (“XOFF”) –accepting rule at line 39 (“,”) –accepting rule at line 91 (” “) –accepting rule at line 87 (“Y”) –accepting rule at line 39 (“,”) –accepting rule at line 91 (” “) –accepting rule at line 87 (“X”) –accepting rule at line 39 (“,”) –accepting rule at line 91 (” “) –accepting rule at line 87 (“BOLD”) –accepting rule at line 39 (“,”) –accepting rule at line 91 (” “) –accepting rule at line 87 (“REVERS”) –accepting rule at line 39 (“,”) –accepting rule at line 91 (” “) –accepting rule at line 87 (“BLINK”) –accepting rule at line 91 (” “) –accepting rule at line 37 (“)”) –accepting rule at line 34 (” “) –accepting rule at line 86 (“//***** “) –accepting rule at line 86 (“// OUTPUTS -STRING- OF LENGTH -L- BYTES WITH BYTE NUMBER -XOFF- “) –accepting rule at line 86 (“// OF STRING LOCATED AT CURSER LOCATION -X-, -Y-. “) –accepting rule at line 86 (“// “) –accepting rule at line 86 (“// BOLD, REVERS, BLINK ARE THE MODES TO OUTPUT THIS STRING “) –accepting rule at line 86 (“//***** “) –accepting rule at line 91 (” “) –accepting rule at line 73 (“IMPLICIT”) –accepting rule at line 91 (” “) –(end of buffer or a NUL) –accepting rule at line 74 (“INTEGER”) –accepting rule at line 38 (“*”) –accepting rule at line 90 (“2″) –accepting rule at line 91 (” “) –accepting rule at line 35 (“(“) –accepting rule at line 87 (“A”) –accepting rule at line 36 (“-“) –accepting rule at line 87 (“Z”) –accepting rule at line 37 (“)”) –accepting rule at line 34 (” “) –accepting rule at line 86 (“// “) –accepting rule at line 91 (” “) –accepting rule at line 75 (“LOGICAL”) –accepting rule at line 91 (” “) –accepting rule at line 87 (“ANY”) –accepting rule at line 34 (” “) –accepting rule at line 86 (“// “) –accepting rule at line 91 (” “) –accepting rule at line 59 (“CHARACTER”) –accepting rule at line 38 (“*”) –accepting rule at line 90 (“300″) –accepting rule at line 91 (” “) –accepting rule at line 87 (“CC”) –accepting rule at line 34 (” “) –accepting rule at line 86 (“// “) –accepting rule at line 91 (” “) –accepting rule at line 57 (“BYTE”) –accepting rule at line 91 (” “) –accepting rule at line 87 (“STRING”) –accepting rule at line 35 (“(“) –accepting rule at line 87 (“L”) –accepting rule at line 37 (“)”) –accepting rule at line 39 (“,”) –accepting rule at line 91 (” “) –accepting rule at line 87 (“LINEOUT”) –accepting rule at line 35 (“(“) –accepting rule at line 90 (“300”) –accepting rule at line 37 (“)”) –accepting rule at line 39 (“,”) –accepting rule at line 91 (” “) –accepting rule at line 87 (“CHAR”) –accepting rule at line 35 (“(“) –accepting rule at line 90 (“10”) –accepting rule at line 37 (“)”) –accepting rule at line 39 (“,”) –accepting rule at line 91 (” “) –accepting rule at line 87 (“ESCAPE”) –accepting rule at line 34 (” “) –accepting rule at line 86 (“// “) –accepting rule at line 91 (” “) –accepting rule at line 63 (“DATA”) –accepting rule at line 91 (” “) –accepting rule at line 87 (“CHAR”) –accepting rule at line 42 (“/”) –accepting rule at line 91 (” “) –accepting rule at line 88 (“‘0’, ‘1’, ‘2’, ‘3’, ‘4’, ‘5’, ‘6’, ‘7’, ‘8’, ‘9’”) –accepting rule at line 91 (” “) –accepting rule at line 42 (“/”) –accepting rule at line 34 (” “) –accepting rule at line 91 (” “) –accepting rule at line 63 (“DATA”) –accepting rule at line 91 (” “) –accepting rule at line 87 (“ESCAPE”) –accepting rule at line 42 (“/”) –accepting rule at line 91 (” “) –accepting rule at line 90 (“27″) –accepting rule at line 91 (” “) –accepting rule at line 42 (“/”) –accepting rule at line 39 (“,”) –accepting rule at line 91 (” “) –accepting rule at line 87 (“C1”) –accepting rule at line 39 (“,”) –accepting rule at line 87 (“C2”) –accepting rule at line 39 (“,”) –accepting rule at line 87 (“C3″) –accepting rule at line 91 (” “) –accepting rule at line 42 (“/”) –accepting rule at line 91 (” “) –accepting rule at line 90 (“0”) –accepting rule at line 39 (“,”) –accepting rule at line 90 (“0”) –accepting rule at line 39 (“,”) –accepting rule at line 90 (“0”) –accepting rule at line 42 (“/”) –accepting rule at line 34 (” “) –accepting rule at line 86 (“// “) –accepting rule at line 91 (” “) –accepting rule at line 68 (“EQUIVALENCE”) –accepting rule at line 35 (“(“) –accepting rule at line 87 (“CC”) –accepting rule at line 39 (“,”) –accepting rule at line 87 (“LINEOUT”) –accepting rule at line 35 (“(“) –accepting rule at line 90 (“1”) –accepting rule at line 37 (“)”) –accepting rule at line 37 (“)”) –accepting rule at line 34 (” “) –accepting rule at line 86 (“// “) –accepting rule at line 91 (” “) –accepting rule at line 87 (“NL”) –accepting rule at line 91 (” “) –accepting rule at line 40 (“=”) –accepting rule at line 91 (” “) –accepting rule at line 87 (“X”) –accepting rule at line 91 (” “) –accepting rule at line 36 (“-“) –accepting rule at line 91 (” “) –accepting rule at line 87 (“XOFF”) –accepting rule at line 91 (” “) –accepting rule at line 41 (“+”) –accepting rule at line 91 (” “) –accepting rule at line 90 (“1″) –accepting rule at line 34 (” “) –accepting rule at line 91 (” “) –accepting rule at line 87 (“NR”) –accepting rule at line 91 (” “) –accepting rule at line 40 (“=”) –accepting rule at line 91 (” “) –accepting rule at line 87 (“NL”) –accepting rule at line 91 (” “) –accepting rule at line 41 (“+”) –accepting rule at line 91 (” “) –accepting rule at line 87 (“L”) –accepting rule at line 91 (” “) –accepting rule at line 36 (“-“) –accepting rule at line 91 (” “) –accepting rule at line 90 (“1″) –accepting rule at line 34 (” “) –accepting rule at line 91 (” “) –accepting rule at line 87 (“LENGTH”) –accepting rule at line 91 (” “) –accepting rule at line 40 (“=”) –accepting rule at line 91 (” “) –accepting rule at line 87 (“L”) –accepting rule at line 34 (” “) –accepting rule at line 91 (” “) –accepting rule at line 87 (“ISTART”) –accepting rule at line 91 (” “) –accepting rule at line 40 (“=”) –accepting rule at line 91 (” “) –accepting rule at line 90 (“1″) –accepting rule at line 34 (” “) –accepting rule at line 91 (” “) –accepting rule at line 87 (“NX”) –accepting rule at line 91 (” “) –accepting rule at line 40 (“=”) –accepting rule at line 91 (” “) –accepting rule at line 87 (“X”) –accepting rule at line 34 (” “) –accepting rule at line 91 (” “) –accepting rule at line 87 (“NY”) –accepting rule at line 91 (” “) –accepting rule at line 40 (“=”) –accepting rule at line 91 (” “) –accepting rule at line 87 (“Y”) –accepting rule at line 34 (” “) –accepting rule at line 86 (“// “) –accepting rule at line 86 (“// READJUST STRING LIMITS TO BE WITHIN SCREEN. IF STRING IS “) –accepting rule at line 86 (“// COMPLETELY OUT OF SCREEN, THEN RETURN DOING NOTHING. “) –accepting rule at line 86 (“// “) –accepting rule at line 91 (” “) –accepting rule at line 72 (“IF”) –accepting rule at line 35 (“(“) –accepting rule at line 91 (” “) –accepting rule at line 87 (“NY”) –accepting rule at line 48 (“.LT.”) –accepting rule at line 90 (“1″) –accepting rule at line 91 (” “) –accepting rule at line 44 (“.OR.”) –accepting rule at line 91 (” “) –accepting rule at line 87 (“NY”) –accepting rule at line 49 (“.GT.”) –accepting rule at line 90 (“24″) –accepting rule at line 91 (” “) –accepting rule at line 37 (“)”) –accepting rule at line 91 (” “) –accepting rule at line 80 (“RETURN”) –accepting rule at line 34 (” “) –accepting rule at line 91 (” “) –accepting rule at line 72 (“IF”) –accepting rule at line 35 (“(“) –accepting rule at line 91 (” “) –accepting rule at line 87 (“NR”) –accepting rule at line 48 (“.LT.”) –accepting rule at line 90 (“1″) –accepting rule at line 91 (” “) –accepting rule at line 44 (“.OR.”) –accepting rule at line 91 (” “) –accepting rule at line 87 (“NL”) –accepting rule at line 49 (“.GT.”) –accepting rule at line 90 (“132″) –accepting rule at line 91 (” “) –accepting rule at line 37 (“)”) –accepting rule at line 91 (” “) –accepting rule at line 80 (“RETURN”) –accepting rule at line 34 (” “) –accepting rule at line 86 (“// “) –accepting rule at line 86 (“// STRING (ALL OR PART) LIES IN THE SCREEN AREA. “) –accepting rule at line 86 (“// “) –accepting rule at line 91 (” “) –accepting rule at line 72 (“IF”) –accepting rule at line 35 (“(“) –accepting rule at line 91 (” “) –accepting rule at line 87 (“NL”) –accepting rule at line 91 (” “) –accepting rule at line 51 (“.GE.”) –accepting rule at line 91 (” “) –accepting rule at line 90 (“1″) –accepting rule at line 91 (” “) –accepting rule at line 37 (“)”) –accepting rule at line 91 (” “) –accepting rule at line 71 (“GO”) –accepting rule at line 91 (” “) –accepting rule at line 83 (“TO”) –accepting rule at line 91 (” “) –accepting rule at line 90 (“10″) –accepting rule at line 34 (” “) –accepting rule at line 91 (” “) –accepting rule at line 87 (“ISTART”) –accepting rule at line 91 (” “) –accepting rule at line 40 (“=”) –accepting rule at line 91 (” “) –accepting rule at line 90 (“2″) –accepting rule at line 91 (” “) –accepting rule at line 36 (“-“) –accepting rule at line 91 (” “) –accepting rule at line 87 (“NL”) –accepting rule at line 34 (” “) –accepting rule at line 91 (” “) –accepting rule at line 87 (“NL”) –accepting rule at line 91 (” “) –accepting rule at line 40 (“=”) –accepting rule at line 91 (” “) –accepting rule at line 90 (“1″) –accepting rule at line 34 (” “) –accepting rule at line 91 (” “) –accepting rule at line 87 (“LENGTH”) –accepting rule at line 91 (” “) –accepting rule at line 40 (“=”) –accepting rule at line 91 (” “) –accepting rule at line 87 (“LENGTH”) –accepting rule at line 91 (” “) –accepting rule at line 36 (“-“) –accepting rule at line 91 (” “) –accepting rule at line 87 (“ISTART”) –accepting rule at line 91 (” “) –accepting rule at line 41 (“+”) –accepting rule at line 91 (” “) –accepting rule at line 90 (“1″) –accepting rule at line 34 (” “) –accepting rule at line 86 (“// “) –accepting rule at line 91 (” “) –accepting rule at line 90 (“10″) –accepting rule at line 91 (” “) –accepting rule at line 72 (“IF”) –accepting rule at line 35 (“(“) –accepting rule at line 91 (” “) –accepting rule at line 87 (“NR”) –accepting rule at line 91 (” “) –accepting rule at line 50 (“.LE.”) –accepting rule at line 91 (” “) –accepting rule at line 90 (“132″) –accepting rule at line 91 (” “) –accepting rule at line 37 (“)”) –accepting rule at line 91 (” “) –accepting rule at line 71 (“GO”) –accepting rule at line 91 (” “) –accepting rule at line 83 (“TO”) –accepting rule at line 91 (” “) –accepting rule at line 90 (“20″) –accepting rule at line 34 (” “) –accepting rule at line 91 (” “) –accepting rule at line 87 (“LENGTH”) –accepting rule at line 91 (” “) –accepting rule at line 40 (“=”) –accepting rule at line 91 (” “) –accepting rule at line 87 (“LENGTH”) –accepting rule at line 91 (” “) –accepting rule at line 36 (“-“) –accepting rule at line 91 (” “) –accepting rule at line 35 (“(“) –accepting rule at line 87 (“NR”) –accepting rule at line 36 (“-“) –accepting rule at line 90 (“132”) –accepting rule at line 37 (“)”) –accepting rule at line 34 (” “) –accepting rule at line 91 (” “) –accepting rule at line 87 (“NR”) –accepting rule at line 91 (” “) –accepting rule at line 40 (“=”) –accepting rule at line 91 (” “) –accepting rule at line 90 (“132″) –accepting rule at line 34 (” “) –accepting rule at line 86 (“// “) –accepting rule at line 86 (“// OK AT THIS POINT WE ARE GOING TO OUTPUT STRING(ISTART) THRU “) –accepting rule at line 86 (“// STRING(ISTART+LENGTH-1) STARTING AT SCREEN LOCAT SCREEN ION (NL,NY) “) –accepting rule at line 86 (“// “) –accepting rule at line 86 (“// 20 LINEOUT(1) = ‘ ‘ “) –accepting rule at line 91 (” “) –accepting rule at line 90 (“20″) –accepting rule at line 91 (” “) –accepting rule at line 87 (“LINEOUT”) –accepting rule at line 35 (“(“) –accepting rule at line 90 (“1”) –accepting rule at line 37 (“)”) –accepting rule at line 91 (” “) –accepting rule at line 40 (“=”) –accepting rule at line 91 (” “) –accepting rule at line 87 (“ESCAPE”) –accepting rule at line 34 (” “) –accepting rule at line 91 (” “) –accepting rule at line 87 (“LINEOUT”) –accepting rule at line 35 (“(“) –accepting rule at line 90 (“2”) –accepting rule at line 37 (“)”) –accepting rule at line 91 (” “) –accepting rule at line 40 (“=”) –accepting rule at line 91 (” “) –accepting rule at line 88 (“‘[‘”) –accepting rule at line 34 (” “) –accepting rule at line 91 (” “) –accepting rule at line 87 (“IOUT”) –accepting rule at line 91 (” “) –accepting rule at line 40 (“=”) –accepting rule at line 91 (” “) –accepting rule at line 90 (“2″) –accepting rule at line 34 (” “) –accepting rule at line 91 (” “) –accepting rule at line 87 (“COORD”) –accepting rule at line 91 (” “) –accepting rule at line 40 (“=”) –accepting rule at line 91 (” “) –accepting rule at line 87 (“NY”) –accepting rule at line 34 (” “) –accepting rule at line 91 (” “) –accepting rule at line 65 (“DO”) –accepting rule at line 91 (” “) –accepting rule at line 90 (“40″) –accepting rule at line 91 (” “) –accepting rule at line 87 (“I”) –accepting rule at line 91 (” “) –accepting rule at line 40 (“=”) –accepting rule at line 91 (” “) –accepting rule at line 90 (“1”) –accepting rule at line 39 (“,”) –accepting rule at line 90 (“2″) –accepting rule at line 34 (” “) –accepting rule at line 91 (” “) –accepting rule at line 87 (“ANY”) –accepting rule at line 91 (” “) –accepting rule at line 40 (“=”) –accepting rule at line 91 (” “) –accepting rule at line 55 (“.FALSE.”) –accepting rule at line 34 (” “) –accepting rule at line 91 (” “) –accepting rule at line 65 (“DO”) –accepting rule at line 91 (” “) –accepting rule at line 90 (“30″) –accepting rule at line 91 (” “) –accepting rule at line 87 (“J”) –accepting rule at line 91 (” “) –accepting rule at line 40 (“=”) –accepting rule at line 91 (” “) –accepting rule at line 90 (“1”) –accepting rule at line 39 (“,”) –accepting rule at line 90 (“3″) –accepting rule at line 34 (” “) –accepting rule at line 91 (” “) –accepting rule at line 87 (“N”) –accepting rule at line 91 (” “) –accepting rule at line 40 (“=”) –accepting rule at line 91 (” “) –accepting rule at line 87 (“MOD”) –accepting rule at line 35 (“(“) –accepting rule at line 91 (” “) –accepting rule at line 87 (“COORD”) –accepting rule at line 42 (“/”) –accepting rule at line 90 (“10”) –accepting rule at line 52 (“**”) –accepting rule at line 35 (“(“) –accepting rule at line 90 (“3”) –accepting rule at line 36 (“-“) –accepting rule at line 87 (“J”) –accepting rule at line 37 (“)”) –accepting rule at line 39 (“,”) –accepting rule at line 91 (” “) –accepting rule at line 90 (“10″) 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–accepting rule at line 90 (“2”) –accepting rule at line 37 (“)”) –accepting rule at line 91 (” “) –accepting rule at line 40 (“=”) –accepting rule at line 91 (” “) –accepting rule at line 88 (“‘;'”) –accepting rule at line 34 (” “) –accepting rule at line 91 (” “) –accepting rule at line 87 (“IOUT”) –accepting rule at line 91 (” “) –accepting rule at line 40 (“=”) –accepting rule at line 91 (” “) –accepting rule at line 87 (“IOUT”) –accepting rule at line 91 (” “) –accepting rule at line 41 (“+”) –accepting rule at line 91 (” “) –accepting rule at line 90 (“2″) –accepting rule at line 34 (” “) –accepting rule at line 86 (“// “) –accepting rule at line 91 (” “) –accepting rule at line 90 (“110″) –accepting rule at line 91 (” “) –accepting rule at line 87 (“C3″) –accepting rule at line 91 (” “) –accepting rule at line 40 (“=”) –accepting rule at line 91 (” “) –accepting rule at line 87 (“BLINK”) –accepting rule at line 34 (” “) –accepting rule at line 91 (” “) –accepting rule at line 87 (“LINEOUT”) –accepting rule at line 35 (“(“) –accepting rule at line 87 (“IOUT”) –accepting rule at line 37 (“)”) –accepting rule at line 91 (” “) –accepting rule at line 40 (“=”) –accepting rule at line 91 (” “) –accepting rule at line 88 (“‘m'”) –accepting rule at line 34 (” “) –accepting rule at line 86 (“//***** “) –accepting rule at line 86 (“// OUTPUT THE STRING WITH ITS LEADER “) –accepting rule at line 86 (“//***** “) –accepting rule at line 91 (” “) –accepting rule at line 90 (“120″) –accepting rule at line 91 (” “) –accepting rule at line 65 (“DO”) –accepting rule at line 91 (” “) –accepting rule at line 90 (“130″) –accepting rule at line 91 (” “) –accepting rule at line 87 (“I”) –accepting rule at line 91 (” “) –accepting rule at line 40 (“=”) –accepting rule at line 91 (” “) –accepting rule at line 90 (“1”) –accepting rule at line 39 (“,”) –accepting rule at line 87 (“LENGTH”) –accepting rule at line 34 (” “) –accepting rule at line 91 (” “) –accepting rule at line 87 (“LINEOUT”) –accepting rule at line 35 (“(“) –accepting rule at line 87 (“IOUT”) –accepting rule at line 41 (“+”) –accepting rule at line 87 (“I”) –accepting rule at line 37 (“)”) –accepting rule at line 91 (” “) –accepting rule at line 40 (“=”) –accepting rule at line 91 (” “) –accepting rule at line 87 (“STRING”) –accepting rule at line 35 (“(“) –accepting rule at line 87 (“ISTART”) –accepting rule at line 41 (“+”) –accepting rule at line 87 (“I”) –accepting rule at line 36 (“-“) –accepting rule at line 90 (“1”) –accepting rule at line 37 (“)”) –accepting rule at line 34 (” “) –accepting rule at line 91 (” “) –accepting rule at line 90 (“130″) –accepting rule at line 91 (” “) –accepting rule at line 62 (“CONTINUE”) –accepting rule at line 34 (” “) –accepting rule at line 91 (” “) –accepting rule at line 87 (“IOUT”) –accepting rule at line 91 (” “) –accepting rule at line 40 (“=”) –accepting rule at line 91 (” “) –accepting rule at line 87 (“IOUT”) –accepting rule at line 91 (” “) –accepting rule at line 41 (“+”) –accepting rule at line 91 (” “) –accepting rule at line 87 (“LENGTH”) –accepting rule at line 34 (” “) –accepting rule at line 86 (“//***** “) –accepting rule at line 86 (“// BACK UP CURSER ONE LINE IF AT LINE 24 “) –accepting rule at line 86 (“//***** “) –accepting rule at line 91 (” “) –accepting rule at line 72 (“IF”) –accepting rule at line 35 (“(“) –accepting rule at line 91 (” “) –accepting rule at line 87 (“NY”) –accepting rule at line 91 (” “) –accepting rule at line 47 (“.NE.”) –accepting rule at line 91 (” “) –accepting rule at line 90 (“24″) –accepting rule at line 91 (” “) –accepting rule at line 37 (“)”) –accepting rule at line 91 (” “) –accepting rule at line 71 (“GO”) –accepting rule at line 91 (” “) –accepting rule at line 83 (“TO”) –accepting rule at line 91 (” “) –accepting rule at line 90 (“140″) –accepting rule at line 34 (” “) –accepting rule at line 91 (” “) –accepting rule at line 87 (“LINEOUT”) –accepting rule at line 35 (“(“) –accepting rule at line 87 (“IOUT”) –accepting rule at line 41 (“+”) –accepting rule at line 90 (“1”) –accepting rule at line 37 (“)”) –accepting rule at line 91 (” “) –accepting rule at line 40 (“=”) –accepting rule at line 91 (” “) –accepting rule at line 87 (“ESCAPE”) –accepting rule at line 34 (” “) –accepting rule at line 91 (” “) –accepting rule at line 87 (“LINEOUT”) –accepting rule at line 35 (“(“) –accepting rule at line 87 (“IOUT”) –accepting rule at line 41 (“+”) –accepting rule at line 90 (“2”) –accepting rule at line 37 (“)”) –accepting rule at line 91 (” “) –accepting rule at line 40 (“=”) –accepting rule at line 91 (” “) –accepting rule at line 88 (“‘M'”) –accepting rule at line 34 (” “) –accepting rule at line 91 (” “) –accepting rule at line 87 (“IOUT”) –accepting rule at line 91 (” “) –accepting rule at line 40 (“=”) –accepting rule at line 91 (” “) –accepting rule at line 87 (“IOUT”) –accepting rule at line 91 (” “) –accepting rule at line 41 (“+”) –accepting rule at line 91 (” “) –accepting rule at line 90 (“2″) –accepting rule at line 34 (” “) –accepting rule at line 86 (“//***** “) –accepting rule at line 86 (“// NOW READY TO OUTPUT THE STRING. “) –accepting rule at line 86 (“//***** “) –accepting rule at line 91 (” “) –accepting rule at line 90 (“140″) –accepting rule at line 91 (” “) –accepting rule at line 87 (“RC”) –accepting rule at line 91 (” “) –accepting rule at line 40 (“=”) –accepting rule at line 91 (” “) –accepting rule at line 87 (“LIB$PUT_OUTPUT”) –accepting rule at line 35 (“(“) –accepting rule at line 91 (” “) –accepting rule at line 87 (“CC”) –accepting rule at line 35 (“(“) –accepting rule at line 90 (“1”) –accepting rule at line 53 (“:”) –accepting rule at line 87 (“IOUT”) –accepting rule at line 37 (“)”) –accepting rule at line 91 (” “) –accepting rule at line 37 (“)”) –accepting rule at line 34 (” “) –accepting rule at line 91 (” “) –accepting rule at line 80 (“RETURN”) –accepting rule at line 34 (” “) –accepting rule at line 91 (” “) –accepting rule at line 67 (“END”) –accepting rule at line 34 (” “) –accepting rule at line 91 (” “) –accepting rule at line 70 (“FUNCTION”) –accepting rule at line 91 (” “) –accepting rule at line 87 (“IRAN”) –accepting rule at line 35 (“(“) –accepting rule at line 91 (” “) –accepting rule at line 87 (“SEED”) –accepting rule at line 39 (“,”) –accepting rule at line 91 (” “) –accepting rule at line 87 (“I”) –accepting rule at line 39 (“,”) –accepting rule at line 91 (” “) –accepting rule at line 87 (“J”) –accepting rule at line 91 (” “) –accepting rule at line 37 (“)”) –accepting rule at line 34 (” “) –accepting rule at line 86 (“//***** “) –accepting rule at line 86 (“// RETURNS A RANDOM NUMBER IN THE RANGE OF I THRU J. “) –accepting rule at line 86 (“// SEED IS UPDATED AND THUS A VARIABLE MUST BE SENT. “) –accepting rule at line 86 (“//***** “) –accepting rule at line 91 (” “) –accepting rule at line 79 (“REAL”) –accepting rule at line 91 (” “) –accepting rule at line 87 (“MTH$RANDOM”) –accepting rule at line 34 (” “) –accepting rule at line 91 (” “) –accepting rule at line 87 (“FN”) –accepting rule at line 91 (” “) –accepting rule at line 40 (“=”) –accepting rule at line 91 (” “) –accepting rule at line 87 (“J”) –accepting rule at line 91 (” “) –accepting rule at line 36 (“-“) –accepting rule at line 91 (” “) –accepting rule at line 87 (“I”) –accepting rule at line 91 (” “) –accepting rule at line 41 (“+”) –accepting rule at line 91 (” “) –accepting rule at line 90 (“1″) –accepting rule at line 34 (” “) –accepting rule at line 91 (” “) –accepting rule at line 87 (“IRAN”) –accepting rule at line 91 (” “) –accepting rule at line 40 (“=”) –accepting rule at line 91 (” “) –accepting rule at line 87 (“I”) –accepting rule at line 91 (” “) –accepting rule at line 41 (“+”) –accepting rule at line 91 (” “) –accepting rule at line 87 (“IFIX”) –accepting rule at line 35 (“(“) –accepting rule at line 91 (” “) –accepting rule at line 87 (“FN”) –accepting rule at line 91 (” “) –accepting rule at line 38 (“*”) –accepting rule at line 91 (” “) –accepting rule at line 87 (“MTH$RANDOM”) –accepting rule at line 35 (“(“) –accepting rule at line 87 (“SEED”) –accepting rule at line 37 (“)”) –accepting rule at line 91 (” “) –accepting rule at line 37 (“)”) –accepting rule at line 34 (” “) –accepting rule at line 91 (” “) –accepting rule at line 80 (“RETURN”) –accepting rule at line 34 (” “) –accepting rule at line 91 (” “) –accepting rule at line 67 (“END”) –accepting rule at line 34 (” “) –accepting rule at line 91 (” “) –accepting rule at line 34 (” “) –accepting rule at line 91 (” “) –accepting rule at line 82 (“SUBROUTINE”) –accepting rule at line 91 (” “) –accepting rule at line 87 (“MAZRUN”) –accepting rule at line 35 (“(“) –accepting rule at line 87 (“EXIT”) –accepting rule at line 39 (“,”) –accepting rule at line 87 (“MAT”) –accepting rule at line 39 (“,”) –accepting rule at line 87 (“HEIGHT”) –accepting rule at line 39 (“,”) –accepting rule at line 87 (“WIDTH”) –accepting rule at line 39 (“,”) –accepting rule at line 87 (“DEPTH”) –accepting rule at line 37 (“)”) –accepting rule at line 34 (” “) –accepting rule at line 86 (“// “) –accepting rule at line 86 (“// MAZRUN USES THE EXIT ARRAY TO CONTROL MAZE MOVEMENT “) –accepting rule at line 86 (“// MAT ARRAY CONTAINS WHERE YOU HAVE BEEN “) –accepting rule at line 86 (“// “) –accepting rule at line 91 (” “) –accepting rule at line 73 (“IMPLICIT”) –accepting rule at line 91 (” “) –accepting rule at line 74 (“INTEGER”) –accepting rule at line 38 (“*”) –accepting rule at line 90 (“4″) –accepting rule at line 91 (” “) –accepting rule at line 35 (“(“) –accepting rule at line 87 (“A”) –accepting rule at line 36 (“-“) –accepting rule at line 87 (“Z”) –accepting rule at line 37 (“)”) –accepting rule at line 34 (” “) –accepting rule at line 86 (“// “) –accepting rule at line 91 (” “) –accepting rule at line 74 (“INTEGER”) –accepting rule at line 38 (“*”) –accepting rule at line 90 (“2″) –accepting rule at line 91 (” “) –accepting rule at line 87 (“EXIT”) –accepting rule at line 35 (“(“) –accepting rule at line 87 (“HEIGHT”) –accepting rule at line 39 (“,”) –accepting rule at line 87 (“WIDTH”) –accepting rule at line 39 (“,”) –accepting rule at line 87 (“DEPTH”) –accepting rule at line 37 (“)”) –accepting rule at line 34 (” “) –accepting rule at line 91 (” “) –accepting rule at line 74 (“INTEGER”) –accepting rule at line 38 (“*”) –accepting rule at line 90 (“2″) –accepting rule at line 91 (” “) –accepting rule at line 87 (“MAT”) –accepting rule at line 91 (” “) –accepting rule at line 35 (“(“) –accepting rule at line 87 (“HEIGHT”) –accepting rule at line 39 (“,”) –accepting rule at line 87 (“WIDTH”) –accepting rule at line 39 (“,”) –accepting rule at line 87 (“DEPTH”) –accepting rule at line 37 (“)”) –accepting rule at line 39 (“,”) –accepting rule at line 91 (” “) –accepting rule at line 87 (“ADD”) –accepting rule at line 39 (“,”) –accepting rule at line 91 (” “) –accepting rule at line 87 (“MOVE”) –accepting rule at line 35 (“(“) –accepting rule at line 90 (“4”) –accepting rule at line 39 (“,”) –accepting rule at line 90 (“4”) –accepting rule at line 37 (“)”) –accepting rule at line 34 (” “) –accepting rule at line 86 (“// “) –accepting rule at line 91 (” “) –accepting rule at line 64 (“DIMENSION”) –accepting rule at line 91 (” “) –accepting rule at line 87 (“XDIR”) –accepting rule at line 35 (“(“) –accepting rule at line 90 (“4”) –accepting rule at line 37 (“)”) –accepting rule at line 39 (“,”) –accepting rule at line 91 (” “) –accepting rule at line 87 (“YDIR”) –accepting rule at line 35 (“(“) –accepting rule at line 90 (“4”) –accepting rule at line 37 (“)”) –accepting rule at line 39 (“,”) –accepting rule at line 91 (” “) –accepting rule at line 87 (“OUT”) –accepting rule at line 35 (“(“) –accepting rule at line 90 (“6”) –accepting rule at line 37 (“)”) –accepting rule at line 39 (“,”) –accepting rule at line 91 (” “) –accepting rule at line 87 (“SLEEP”) –accepting rule at line 35 (“(“) –accepting rule at line 90 (“2”) –accepting rule at line 37 (“)”) –accepting rule at line 34 (” “) –accepting rule at line 86 (“// “) –accepting rule at line 91 (” “) –accepting rule at line 57 (“BYTE”) –accepting rule at line 91 (” “) –accepting rule at line 87 (“START”) –accepting rule at line 35 (“(“) –accepting rule at line 90 (“28”) –accepting rule at line 37 (“)”) –accepting rule at line 39 (“,”) –accepting rule at line 87 (“BELL”) –accepting rule at line 39 (“,”) –accepting rule at line 87 (“DEAD”) –accepting rule at line 39 (“,”) –accepting rule at line 87 (“LR132”) –accepting rule at line 35 (“(“) –accepting rule at line 90 (“10”) –accepting rule at line 37 (“)”) –accepting rule at line 34 (” “) –accepting rule at line 91 (” “) –accepting rule at line 57 (“BYTE”) –accepting rule at line 91 (” “) –accepting rule at line 87 (“SET”) –accepting rule at line 35 (“(“) –accepting rule at line 90 (“16”) –accepting rule at line 37 (“)”) –accepting rule at line 34 (” “) –accepting rule at line 91 (” “) –accepting rule at line 57 (“BYTE”) –accepting rule at line 91 (” “) –accepting rule at line 87 (“SCROL”) –accepting rule at line 35 (“(“) –accepting rule at line 90 (“8”) –accepting rule at line 37 (“)”) –accepting rule at line 34 (” “) –accepting rule at line 86 (“// “) –accepting rule at line 91 (” “) –accepting rule at line 59 (“CHARACTER”) –accepting rule at line 38 (“*”) –accepting rule at line 90 (“200″) –accepting rule at line 91 (” “) –accepting rule at line 87 (“INPUT”) –accepting rule at line 34 (” “) –accepting rule at line 91 (” “) –accepting rule at line 59 (“CHARACTER”) –accepting rule at line 38 (“*”) –accepting rule at line 90 (“10″) –accepting rule at line 91 (” “) –accepting rule at line 87 (“NAME”) –accepting rule at line 34 (” “) –accepting rule at line 91 (” “) –accepting rule at line 59 (“CHARACTER”) –accepting rule at line 38 (“*”) –accepting rule at line 90 (“6″) –accepting rule at line 91 (” “) –accepting rule at line 87 (“PORT”) –accepting rule at line 34 (” “) –accepting rule at line 86 (“// “) –accepting rule at line 91 (” “) –accepting rule at line 61 (“COMMON”) –accepting rule at line 91 (” “) –accepting rule at line 42 (“/”) –accepting rule at line 87 (“MAZECM”) –accepting rule at line 42 (“/”) –accepting rule at line 91 (” “) –accepting rule at line 87 (“STARTH”) –accepting rule at line 39 (“,”) –accepting rule at line 87 (“STARTW”) –accepting rule at line 39 (“,”) –accepting rule at line 87 (“STARTD”) –accepting rule at line 39 (“,”) –accepting rule at line 87 (“ENDH”) –accepting rule at line 39 (“,”) –accepting rule at line 87 (“ENDW”) –accepting rule at line 39 (“,”) –accepting rule at line 87 (“ENDD”) –accepting rule at line 39 (“,”) –accepting rule at line 87 (“NOBELL”) –accepting rule at line 34 (” “) –accepting rule at line 86 (“// “) –accepting rule at line 91 (” “) –accepting rule at line 63 (“DATA”) –accepting rule at line 91 (” “) –accepting rule at line 87 (“XDIR”) –accepting rule at line 91 (” “) –accepting rule at line 42 (“/”) –accepting rule at line 91 (” “) –accepting rule at line 90 (“0”) –accepting rule at line 39 (“,”) –accepting rule at line 91 (” “) –accepting rule at line 90 (“1”) –accepting rule at line 39 (“,”) –accepting rule at line 91 (” “) –accepting rule at line 90 (“0”) –accepting rule at line 39 (“,”) –accepting rule at line 36 (“-“) –accepting rule at line 90 (“1″) –accepting rule at line 91 (” “) –accepting rule at line 42 (“/”) –accepting rule at line 34 (” “) –accepting rule at line 91 (” “) –accepting rule at line 63 (“DATA”) –accepting rule at line 91 (” “) –accepting rule at line 87 (“YDIR”) –accepting rule at line 91 (” “) –accepting rule at line 42 (“/”) –accepting rule at line 91 (” “) –accepting rule at line 90 (“1”) –accepting rule at line 39 (“,”) –accepting rule at line 91 (” “) –accepting rule at line 90 (“0”) –accepting rule at line 39 (“,”) –accepting rule at line 36 (“-“) –accepting rule at line 90 (“1”) –accepting rule at line 39 (“,”) –accepting rule at line 91 (” “) –accepting rule at line 90 (“0″) –accepting rule at line 91 (” “) –accepting rule at line 42 (“/”) –accepting rule at line 34 (” “) –accepting rule at line 91 (” “) –accepting rule at line 63 (“DATA”) –accepting rule at line 91 (” “) –accepting rule at line 87 (“OUT”) –accepting rule at line 91 (” “) –accepting rule at line 42 (“/”) –accepting rule at line 91 (” “) –accepting rule at line 90 (“1”) –accepting rule at line 39 (“,”) –accepting rule at line 91 (” “) –accepting rule at line 90 (“2”) –accepting rule at line 39 (“,”) –accepting rule at line 91 (” “) –accepting rule at line 90 (“4”) –accepting rule at line 39 (“,”) –accepting rule at line 91 (” “) –accepting rule at line 90 (“8”) –accepting rule at line 39 (“,”) –accepting rule at line 91 (” “) –accepting rule at line 90 (“16”) –accepting rule at line 39 (“,”) –accepting rule at line 91 (” “) –accepting rule at line 90 (“32″) –accepting rule at line 91 (” “) –accepting rule at line 42 (“/”) –accepting rule at line 34 (” “) –accepting rule at line 91 (” “) –accepting rule at line 63 (“DATA”) –accepting rule at line 91 (” “) –accepting rule at line 87 (“BELL”) –accepting rule at line 91 (” “) –accepting rule at line 42 (“/”) –accepting rule at line 91 (” “) –accepting rule at line 90 (“7″) –accepting rule at line 91 (” “) –accepting rule at line 42 (“/”) –accepting rule at line 34 (” “) –accepting rule at line 86 (“// “) –accepting rule at line 86 (“// ESCAPE SEQUENCES TO “) –accepting rule at line 86 (“// ANSI MODE, ERASE SCREEN, ATTRIBUTES OFF, SCREEN NORMAL, “) –accepting rule at line 86 (“// WRAP OFF, 80 COL., AND SPECIAL GRAPHICS “) –accepting rule at line 86 (“// “) –accepting rule at line 91 (” “) –accepting rule at line 63 (“DATA”) –accepting rule at line 91 (” “) –accepting rule at line 87 (“START”) –accepting rule at line 42 (“/”) –accepting rule at line 91 (” “) –accepting rule at line 90 (“27”) –accepting rule at line 39 (“,”) –accepting rule at line 88 (“‘<',27,'[','2','J',27,'[','0','m',27,'[','?','5','l',27,'[','?','7','l', 27,'[','?','3','l',27,'(','0'") --accepting rule at line 42 ("/") --accepting rule at line 34 (" ") --accepting rule at line 86 ("// ") --accepting rule at line 86 ("// GRAPHICS CHARACTERS TO USE FOR DRAWING LINES ") --accepting rule at line 86 ("// ") --accepting rule at line 91 (" ") --accepting rule at line 63 ("DATA") --accepting rule at line 91 (" ") --accepting rule at line 87 ("SET") --accepting rule at line 42 ("/") --accepting rule at line 88 ("' ', ' ', 'l', ' ', 'k', 'q', 'w', ' ','x', 'm', 't', 'j', 'u', 'v', 'n'") --accepting rule at line 39 (",") --accepting rule at line 91 (" ") --accepting rule at line 90 ("97") --accepting rule at line 91 (" ") --accepting rule at line 42 ("/") --accepting rule at line 34 (" ") --accepting rule at line 86 ("// ") --accepting rule at line 86 ("// ESCAPE SEQUENCE TO SET 132 CHARACTER LINE MODE ") --accepting rule at line 86 ("// ") --accepting rule at line 91 (" ") --accepting rule at line 63 ("DATA") --accepting rule at line 91 (" ") --accepting rule at line 87 ("LR132") --accepting rule at line 91 (" ") --accepting rule at line 42 ("/") --accepting rule at line 91 (" ") --accepting rule at line 90 ("27") --accepting rule at line 39 (",") --accepting rule at line 88 ("'[','?','3','h' , 27,'[','?','5','h'") --accepting rule at line 91 (" ") --accepting rule at line 42 ("/") --accepting rule at line 34 (" ") --accepting rule at line 86 ("// ") --accepting rule at line 86 ("// SET SCROLLING REGION TO LAST TWO LINES (23-24) ") --accepting rule at line 86 ("// ") --accepting rule at line 91 (" ") --accepting rule at line 63 ("DATA") --accepting rule at line 91 (" ") --accepting rule at line 87 ("SCROL") --accepting rule at line 91 (" ") --accepting rule at line 42 ("/") --accepting rule at line 91 (" ") --accepting rule at line 90 ("27") --accepting rule at line 39 (",") --accepting rule at line 88 ("'[','2','3',';','2','4','r'") --accepting rule at line 91 (" ") --accepting rule at line 42 ("/") --accepting rule at line 34 (" ") --accepting rule at line 91 (" ") --accepting rule at line 63 ("DATA") --accepting rule at line 91 (" ") --accepting rule at line 87 ("DEAD") --accepting rule at line 91 (" ") --accepting rule at line 42 ("/") --accepting rule at line 91 (" ") --accepting rule at line 90 ("97") --accepting rule at line 91 (" ") --accepting rule at line 42 ("/") --accepting rule at line 34 (" ") --accepting rule at line 91 (" ") --accepting rule at line 63 ("DATA") --accepting rule at line 91 (" ") --accepting rule at line 87 ("MOVE") --accepting rule at line 91 (" ") --accepting rule at line 42 ("/") --accepting rule at line 91 (" ") --accepting rule at line 90 ("9") --accepting rule at line 39 (",") --accepting rule at line 91 (" ") --accepting rule at line 90 ("5") --accepting rule at line 39 (",") --accepting rule at line 36 ("-") --accepting rule at line 90 ("1") --accepting rule at line 39 (",") --accepting rule at line 91 (" ") --accepting rule at line 90 ("3") --accepting rule at line 39 (",") --accepting rule at line 90 ("10") --accepting rule at line 39 (",") --accepting rule at line 91 (" ") --accepting rule at line 90 ("6") --accepting rule at line 39 (",") --accepting rule at line 91 (" ") --accepting rule at line 90 ("3") --accepting rule at line 39 (",") --accepting rule at line 36 ("-") --accepting rule at line 90 ("1") --accepting rule at line 39 (",") --accepting rule at line 36 ("-") --accepting rule at line 90 ("1") --accepting rule at line 39 (",") --accepting rule at line 90 ("12") --accepting rule at line 39 (",") --accepting rule at line 91 (" ") --accepting rule at line 90 ("9") --accepting rule at line 39 (",") --accepting rule at line 90 ("10") --accepting rule at line 39 (",") --accepting rule at line 90 ("12") --accepting rule at line 39 (",") --accepting rule at line 36 ("-") --accepting rule at line 90 ("1") --accepting rule at line 39 (",") --accepting rule at line 91 (" ") --accepting rule at line 90 ("5") --accepting rule at line 39 (",") --accepting rule at line 91 (" ") --accepting rule at line 90 ("6") --accepting rule at line 91 (" ") --accepting rule at line 42 ("/") --accepting rule at line 34 (" ") --accepting rule at line 86 ("// ") --accepting rule at line 86 ("// SET UP FOR QIO FROM TERMINAL ") --accepting rule at line 86 ("// ") --accepting rule at line 91 (" ") --accepting rule at line 87 ("STATUS") --accepting rule at line 91 (" ") --accepting rule at line 40 ("=") --accepting rule at line 91 (" ") --accepting rule at line 87 ("SYS$TRNLOG") --accepting rule at line 35 ("(") --accepting rule at line 91 (" ") --accepting rule at line 88 ("'SYS$INPUT'") --accepting rule at line 91 (" ") --accepting rule at line 39 (",") --accepting rule at line 39 (",") --accepting rule at line 91 (" ") --accepting rule at line 87 ("NAME") --accepting rule at line 91 (" ") --accepting rule at 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("Y") --accepting rule at line 39 (",") --accepting rule at line 87 ("X") --accepting rule at line 39 (",") --accepting rule at line 87 ("L") --accepting rule at line 37 (")") --accepting rule at line 91 (" ") --accepting rule at line 40 ("=") --accepting rule at line 91 (" ") --accepting rule at line 90 ("0") --accepting rule at line 34 (" ") --accepting rule at line 91 (" ") --accepting rule at line 72 ("IF") --accepting rule at line 35 ("(") --accepting rule at line 87 ("Y") --accepting rule at line 46 (".EQ.") --accepting rule at line 87 ("STARTH") --accepting rule at line 45 (".AND.") --accepting rule at line 87 ("X") --accepting rule at line 46 (".EQ.") --accepting rule at line 87 ("STARTW") --accepting rule at line 45 (".AND.") --accepting rule at line 87 ("L") --accepting rule at line 46 (".EQ.") --accepting rule at line 87 ("STARTD") --accepting rule at line 37 (")") --accepting rule at line 91 (" ") --accepting rule at line 71 ("GO") --accepting rule at line 91 (" ") --accepting rule at line 83 ("TO") --accepting rule at line 91 (" ") --accepting rule at line 90 ("40") --accepting rule at line 34 (" ") --accepting rule at line 91 (" ") --accepting rule at line 72 ("IF") --accepting rule at line 35 ("(") --accepting rule at line 87 ("Y") --accepting rule at line 46 (".EQ.") --accepting rule at line 87 ("ENDH") --accepting rule at line 91 (" ") --accepting rule at line 45 (".AND.") --accepting rule at line 87 ("X") --accepting rule at line 46 (".EQ.") --accepting rule at line 87 ("ENDW") --accepting rule at line 91 (" ") --accepting rule at line 45 (".AND.") --accepting rule at line 87 ("L") --accepting rule at line 46 (".EQ.") --accepting rule at line 87 ("ENDD") --accepting rule at line 37 (")") --accepting rule at line 91 (" ") --accepting rule at line 71 ("GO") --accepting rule at line 91 (" ") --accepting rule at line 83 ("TO") --accepting rule at line 91 (" ") --accepting rule at line 90 ("40") --accepting rule at line 34 (" ") --accepting rule at line 86 ("// ") --accepting rule at line 86 ("// CHECK FOR DEAD END ") --accepting rule at line 86 ("// ") --accepting rule at line 91 (" ") --accepting rule at line 65 ("DO") --accepting rule at line 91 (" ") --accepting rule at line 90 ("20") --accepting rule at line 91 (" ") --accepting rule at line 87 ("ODIR") --accepting rule at line 40 ("=") --accepting rule at line 90 ("1") --accepting rule at line 39 (",") --accepting rule at line 90 ("4") --accepting rule at line 34 (" ") --accepting rule at line 91 (" ") --accepting rule at line 72 ("IF") --accepting rule at line 35 ("(") --accepting rule at line 91 (" ") --accepting rule at line 87 ("EXIT") --accepting rule at line 35 ("(") --accepting rule at line 87 ("Y") --accepting rule at line 39 (",") --accepting rule at line 87 ("X") --accepting rule at line 39 (",") --accepting rule at line 87 ("L") --accepting rule at line 37 (")") --accepting rule at line 91 (" ") --accepting rule at line 46 (".EQ.") --accepting rule at line 91 (" ") --accepting rule at line 87 ("OUT") --accepting rule at line 35 ("(") --accepting rule at line 87 ("ODIR") --accepting rule at line 37 (")") --accepting rule at line 91 (" ") --accepting rule at line 37 (")") --accepting rule at line 91 (" ") --accepting rule at line 71 ("GO") --accepting rule at line 91 (" ") --accepting rule at line 83 ("TO") --accepting rule at line 91 (" ") --accepting rule at line 90 ("30") --accepting rule at line 34 (" ") --accepting rule at line 91 (" ") --accepting rule at line 72 ("IF") --accepting rule at line 35 ("(") --accepting rule at line 91 (" ") --accepting rule at line 87 ("IAND") --accepting rule at line 35 ("(") --accepting rule at line 87 ("EXIT") --accepting rule at line 35 ("(") --accepting rule at line 87 ("Y") --accepting rule at line 39 (",") --accepting rule at line 87 ("X") --accepting rule at line 39 (",") --accepting rule at line 87 ("L") --accepting rule at line 37 (")") --accepting rule at line 39 (",") --accepting rule at line 87 ("OUT") --accepting rule at line 35 ("(") --accepting rule at line 87 ("ODIR") --accepting rule at line 37 (")") --accepting rule at line 37 (")") --accepting rule at line 91 (" ") --accepting rule at line 46 (".EQ.") --accepting rule at line 91 (" ") --accepting rule at line 90 ("0") --accepting rule at line 91 (" ") --accepting rule at line 37 (")") --accepting rule at line 91 (" ") --accepting rule at line 71 ("GO") --accepting rule at line 91 (" ") --accepting rule at line 83 ("TO") --accepting rule at line 91 (" ") --accepting rule at line 90 ("20") --accepting rule at line 34 (" ") --accepting rule at line 91 (" ") --accepting rule at line 65 ("DO") --accepting rule at line 91 (" ") --accepting rule at line 90 ("10") --accepting rule at line 91 (" ") --accepting rule at line 87 ("DIR") --accepting rule at line 40 ("=") --accepting rule at line 90 ("1") --accepting rule at line 39 (",") --accepting rule at line 90 ("4") --accepting rule at line 34 (" ") --accepting rule at line 91 (" ") --accepting rule at line 72 ("IF") --accepting rule at line 35 ("(") --accepting rule at line 87 ("DIR") --accepting rule at line 46 (".EQ.") --accepting rule at line 87 ("ODIR") --accepting rule at line 37 (")") --accepting rule at line 91 (" ") --accepting rule at line 71 ("GO") --accepting rule at line 91 (" ") --accepting rule at line 83 ("TO") --accepting rule at line 91 (" ") --accepting rule at line 90 ("10") --accepting rule at line 34 (" ") --accepting rule at line 91 (" ") --accepting rule at line 72 ("IF") --accepting rule at line 35 ("(") --accepting rule at line 91 (" ") --accepting rule at line 87 ("IAND") --accepting rule at line 35 ("(") --accepting rule at line 87 ("EXIT") --accepting rule at line 35 ("(") --accepting rule at line 87 ("Y") --accepting rule at line 39 (",") --accepting rule at line 87 ("X") --accepting rule at line 39 (",") --accepting rule at line 87 ("L") --accepting rule at line 37 (")") --accepting rule at line 39 (",") --accepting rule at line 87 ("OUT") --accepting rule at line 35 ("(") --accepting rule at line 87 ("DIR") --accepting rule at line 37 (")") --accepting rule at line 37 (")") --accepting rule at line 91 (" ") --accepting rule at line 46 (".EQ.") --accepting rule at line 91 (" ") --accepting rule at line 90 ("0") --accepting rule at line 91 (" ") --accepting rule at line 37 (")") --accepting rule at line 91 (" ") --accepting rule at line 71 ("GO") --accepting rule at line 91 (" ") --accepting rule at line 83 ("TO") --accepting rule at line 91 (" ") --accepting rule at line 90 ("10") --accepting rule at line 34 (" ") --accepting rule at line 91 (" ") --accepting rule at line 87 ("ADD") --accepting rule at line 91 (" ") --accepting rule at line 40 ("=") --accepting rule at line 91 (" ") --accepting rule at line 87 ("MOVE") --accepting rule at line 35 ("(") --accepting rule at line 87 ("ODIR") --accepting rule at line 39 (",") --accepting rule at line 87 ("DIR") --accepting rule at line 37 (")") --accepting rule at line 34 (" ") --accepting rule at line 91 (" ") --accepting rule at line 87 ("MAT") --accepting rule at line 35 ("(") --accepting rule at line 87 ("Y") --accepting rule at line 39 (",") --accepting rule at line 87 ("X") --accepting rule at line 39 (",") --accepting rule at line 87 ("L") --accepting rule at line 37 (")") --accepting rule at line 91 (" ") --accepting rule at line 40 ("=") --accepting rule at line 91 (" ") --accepting rule at line 87 ("IOR") --accepting rule at line 35 ("(") --accepting rule at line 87 ("MAT") --accepting rule at line 35 ("(") --accepting rule at line 87 ("Y") --accepting rule at line 39 (",") --accepting rule at line 87 ("X") --accepting rule at line 39 (",") --accepting rule at line 87 ("L") --accepting rule at line 37 (")") --accepting rule at line 39 (",") --accepting rule at line 87 ("ADD") --accepting rule at line 37 (")") --accepting rule at line 34 (" ") --accepting rule at line 91 (" ") --accepting rule at line 90 ("10") --accepting rule at line 91 (" ") --accepting rule at line 62 ("CONTINUE") --accepting rule at line 34 (" ") --accepting rule at line 91 (" ") --accepting rule at line 90 ("20") --accepting rule at line 91 (" ") --accepting rule at line 62 ("CONTINUE") --accepting rule at line 34 (" ") --accepting rule at line 91 (" ") --accepting rule at line 72 ("IF") --accepting rule at line 35 ("(") --accepting rule at line 87 ("EXIT") --accepting rule at line 35 ("(") --accepting rule at line 87 ("Y") --accepting rule at line 39 (",") --accepting rule at line 87 ("X") --accepting rule at line 39 (",") --accepting rule at line 87 ("L") --accepting rule at line 37 (")") --accepting rule at line 48 (".LT.") --accepting rule at line 90 ("16") --accepting rule at line 37 (")") --accepting rule at line 91 (" ") --accepting rule at line 58 ("CALL") --accepting rule at line 91 (" ") --accepting rule at line 87 ("MAZOUT") --accepting rule at line 35 ("(") --accepting rule at line 87 ("SET") --accepting rule at line 35 ("(") --accepting rule at line 87 ("MAT") --accepting rule at line 35 ("(") --accepting rule at line 87 ("Y") --accepting rule at line 39 (",") --accepting rule at line 87 ("X") --accepting rule at line 39 (",") --accepting rule at line 87 ("L") --accepting rule at line 37 (")") --accepting rule at line 37 (")") --accepting rule at line 39 (",") --accepting rule at line 90 ("1") --accepting rule at line 39 (",") --accepting rule at line 90 ("1") --accepting rule at line 39 (",") --accepting rule at line 87 ("Y") --accepting rule at line 39 (",") --accepting rule at line 87 ("X") --accepting rule at line 39 (",") --accepting rule at line 90 ("1") --accepting rule at line 39 (",") --accepting rule at line 90 ("1") --accepting rule at line 39 (",") --accepting rule at line 90 ("0") --accepting rule at line 37 (")") --accepting rule at line 34 (" ") --accepting rule at line 91 (" ") --accepting rule at line 72 ("IF") --accepting rule at line 35 ("(") --accepting rule at line 87 ("IAND") --accepting rule at line 35 ("(") --accepting rule at line 87 ("EXIT") --accepting rule at line 35 ("(") --accepting rule at line 87 ("Y") --accepting rule at line 39 (",") --accepting rule at line 87 ("X") --accepting rule at line 39 (",") --accepting rule at line 87 ("L") --accepting rule at line 37 (")") --accepting rule at line 39 (",") --accepting rule at line 90 ("16") --accepting rule at line 37 (")") --accepting rule at line 47 (".NE.") --accepting rule at line 90 ("0") --accepting rule at line 37 (")") --accepting rule at line 91 (" ") --accepting rule at line 58 ("CALL") --accepting rule at line 91 (" ") --accepting rule at line 87 ("MAZOUT") --accepting rule at line 35 ("(") --accepting rule at line 88 ("'O'") --accepting rule at line 39 (",") --accepting rule at line 90 ("1") --accepting rule at line 39 (",") --accepting rule at line 90 ("1") --accepting rule at line 39 (",") --accepting rule at line 87 ("Y") --accepting rule at line 39 (",") --accepting rule at line 87 ("X") --accepting rule at line 39 (",") --accepting rule at line 90 ("1") --accepting rule at line 39 (",") --accepting rule at line 90 ("1") --accepting rule at line 39 (",") --accepting rule at line 90 ("1") --accepting rule at line 37 (")") --accepting rule at line 34 (" ") --accepting rule at line 91 (" ") --accepting rule at line 72 ("IF") --accepting rule at line 35 ("(") --accepting rule at line 87 ("IAND") --accepting rule at line 35 ("(") --accepting rule at line 87 ("EXIT") --accepting rule at line 35 ("(") --accepting rule at line 87 ("Y") --accepting rule at line 39 (",") --accepting rule at line 87 ("X") --accepting rule at line 39 (",") --accepting rule at line 87 ("L") --accepting rule at line 37 (")") --accepting rule at line 39 (",") --accepting rule at line 90 ("32") --accepting rule at line 37 (")") --accepting rule at line 47 (".NE.") --accepting rule at line 90 ("0") --accepting rule at line 37 (")") --accepting rule at line 91 (" ") --accepting rule at line 58 ("CALL") --accepting rule at line 91 (" ") --accepting rule at line 87 ("MAZOUT") --accepting rule at line 35 ("(") --accepting rule at line 88 ("'O'") --accepting rule at line 39 (",") --accepting rule at line 90 ("1") --accepting rule at line 39 (",") --accepting rule at line 90 ("1") --accepting rule at line 39 (",") --accepting rule at line 87 ("Y") --accepting rule at line 39 (",") --accepting rule at line 87 ("X") --accepting rule at line 39 (",") --accepting rule at line 90 ("1") --accepting rule at line 39 (",") --accepting rule at line 90 ("1") --accepting rule at line 39 (",") --accepting rule at line 90 ("0") --accepting rule at line 37 (")") --accepting rule at line 34 (" ") --accepting rule at line 91 (" ") --accepting rule at line 71 ("GO") --accepting rule at line 91 (" ") --accepting rule at line 83 ("TO") --accepting rule at line 91 (" ") --accepting rule at line 90 ("40") --accepting rule at line 34 (" ") --accepting rule at line 86 ("// ") --accepting rule at line 86 ("// DEAD END ") --accepting rule at line 86 ("// ") --accepting rule at line 91 (" ") --accepting rule at line 90 ("30") --accepting rule at line 91 (" ") --accepting rule at line 58 ("CALL") --accepting rule at line 91 (" ") --accepting rule at line 87 ("MAZOUT") --accepting rule at line 35 ("(") --accepting rule at line 87 ("DEAD") --accepting rule at line 39 (",") --accepting rule at line 90 ("1") --accepting rule at line 39 (",") --accepting rule at line 90 ("1") --accepting rule at line 39 (",") --accepting rule at line 87 ("Y") --accepting rule at line 39 (",") --accepting rule at line 87 ("X") --accepting rule at line 39 (",") --accepting rule at line 90 ("0") --accepting rule at line 39 (",") --accepting rule at line 90 ("0") --accepting rule at line 39 (",") --accepting rule at line 90 ("0") --accepting rule at line 37 (")") --accepting rule at line 34 (" ") --accepting rule at line 91 (" ") --accepting rule at line 90 ("40") --accepting rule at line 91 (" ") --accepting rule at line 62 ("CONTINUE") --accepting rule at line 34 (" ") --accepting rule at line 86 ("// ") --accepting rule at line 86 ("// SUCCESS - END FOUND ") --accepting rule at line 86 ("// ") --accepting rule at line 91 (" ") --accepting rule at line 58 ("CALL") --accepting rule at line 91 (" ") --accepting rule at line 87 ("MAZOUT") --accepting rule at line 35 ("(") --accepting rule at line 88 ("' '") --accepting rule at line 39 (",") --accepting rule at line 90 ("1") --accepting rule at line 39 (",") --accepting rule at line 90 ("1") --accepting rule at line 39 (",") --accepting rule at line 90 ("24") --accepting rule at line 39 (",") --accepting rule at line 90 ("1") --accepting rule at line 39 (",") --accepting rule at line 90 ("0") --accepting rule at line 39 (",") --accepting rule at line 90 ("0") --accepting rule at line 39 (",") --accepting rule at line 90 ("0") --accepting rule at line 37 (")") --accepting rule at line 34 (" ") --accepting rule at line 91 (" ") --accepting rule at line 84 ("WRITE") --accepting rule at line 35 ("(") --accepting rule at line 90 ("6") --accepting rule at line 39 (",") --accepting rule at line 90 ("50") --accepting rule at line 37 (")") --accepting rule at line 34 (" ") --accepting rule at line 91 (" ") --accepting rule at line 90 ("50") --accepting rule at line 91 (" ") --accepting rule at line 69 ("FORMAT") --accepting rule at line 35 ("(") --accepting rule at line 88 ("' PRESS RETURN TO CONTINUE OR FINISH'") --accepting rule at line 37 (")") --accepting rule at line 34 (" ") --accepting rule at line 91 (" ") --accepting rule at line 78 ("READ") --accepting rule at line 35 ("(") --accepting rule at line 90 ("5") --accepting rule at line 39 (",") --accepting rule at line 90 ("60") --accepting rule at line 37 (")") --accepting rule at line 91 (" ") --accepting rule at line 87 ("NC") --accepting rule at line 39 (",") --accepting rule at line 87 ("INPUT") --accepting rule at line 34 (" ") --accepting rule at line 91 (" ") --accepting rule at line 90 ("60") --accepting rule at line 91 (" ") --accepting rule at line 69 ("FORMAT") --accepting rule at line 35 ("(") --accepting rule at line 87 ("Q") --accepting rule at line 39 (",") --accepting rule at line 87 ("A") --accepting rule at line 37 (")") --accepting rule at line 34 (" ") --accepting rule at line 91 (" ") --accepting rule at line 90 ("70") --accepting rule at line 91 (" ") --accepting rule at line 62 ("CONTINUE") --accepting rule at line 34 (" ") --accepting rule at line 91 (" ") --accepting rule at line 80 ("RETURN") --accepting rule at line 34 (" ") --accepting rule at line 91 (" ") --accepting rule at line 67 ("END") --accepting rule at line 34 (" ") --(end of buffer or a NUL) --EOF (start condition 1) [/cc]

The “–accepting rule at line ##” is referring to the lines in the Fortran.l file:

[cc lang=”text” tab_size=”8″ lines=”20″ width=”600″ ] /* -*- c -*- This FLex file was machine-generated by the BNF converter */ %option noyywrap %{ #define yylval Fortranlval #define YY_BUFFER_APPEND Fortran_BUFFER_APPEND #define YY_BUFFER_RESET Fortran_BUFFER_RESET #define initialize_lexer Fortran_initialize_lexer #include #include “Parser.h” #define YY_BUFFER_LENGTH 4096 extern int yy_mylinenumber ; char YY_PARSED_STRING[YY_BUFFER_LENGTH]; void YY_BUFFER_APPEND(char *s) { strcat(YY_PARSED_STRING, s); //Do something better here! } void YY_BUFFER_RESET(void) { int x; for(x = 0; x < YY_BUFFER_LENGTH; x++) YY_PARSED_STRING[x] = 0; } %} LETTER [a-zA-Z] CAPITAL [A-Z] SMALL [a-z] DIGIT [0-9] IDENT [a-zA-Z0-9'_] %START YYINITIAL COMMENT CHAR CHARESC CHAREND STRING ESCAPED %% "\n" { ++yy_mylinenumber; return _SYMB_0; }; “(” return _SYMB_1; “-” return _SYMB_2; “)” return _SYMB_3; “*” return _SYMB_4; “,” return _SYMB_5; “=” return _SYMB_6; “+” return _SYMB_7; “/” return _SYMB_8; “$” return _SYMB_9; “.OR.” return _SYMB_10; “.AND.” return _SYMB_11; “.EQ.” return _SYMB_12; “.NE.” return _SYMB_13; “.LT.” return _SYMB_14; “.GT.” return _SYMB_15; “.LE.” return _SYMB_16; “.GE.” return _SYMB_17; “**” return _SYMB_18; “:” return _SYMB_19; “.TRUE.” return _SYMB_20; “.FALSE.” return _SYMB_21; “.NOT.” return _SYMB_22; “BYTE” return _SYMB_23; “CALL” return _SYMB_24; “CHARACTER” return _SYMB_25; “CLOSE” return _SYMB_26; “COMMON” return _SYMB_27; “CONTINUE” return _SYMB_28; “DATA” return _SYMB_29; “DIMENSION” return _SYMB_30; “DO” return _SYMB_31; “DOUBLE” return _SYMB_32; “END” return _SYMB_33; “EQUIVALENCE” return _SYMB_34; “FORMAT” return _SYMB_35; “FUNCTION” return _SYMB_36; “GO” return _SYMB_37; “IF” return _SYMB_38; “IMPLICIT” return _SYMB_39; “INTEGER” return _SYMB_40; “LOGICAL” return _SYMB_41; “OPEN” return _SYMB_42; “PARAMETER” return _SYMB_43; “READ” return _SYMB_44; “REAL” return _SYMB_45; “RETURN” return _SYMB_46; “STOP” return _SYMB_47; “SUBROUTINE” return _SYMB_48; “TO” return _SYMB_49; “WRITE” return _SYMB_50; “//”[^\n]*\n ++yy_mylinenumber; /* BNFC single-line comment */; \%*{CAPITAL}({CAPITAL}|{DIGIT}|\$|\_)* yylval.string_ = strdup(yytext); return _SYMB_51; ‘.+’ yylval.string_ = strdup(yytext); return _SYMB_52; {DIGIT}+\.{DIGIT}+((e|E)\-?{DIGIT}+)?(f|F)|{DIGIT}+(e|E)\-?{DIGIT}+(f|F) yylval.string_ = strdup(yytext); return _SYMB_53; {DIGIT}+ yylval.int_ = atoi(yytext); return _INTEGER_; [ \t\r]+ /* ignore white space. */; . return _ERROR_; %% void initialize_lexer(FILE *inp) { yyrestart(inp); BEGIN YYINITIAL; } [/cc]
The Front-End (Part 2)

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