Source Code

These source-code files are part of a reconstructed copy of Comanche 051, the original release of the Apollo 11 Command Module (CM) Apollo Guidance Computer (AGC) software.

The reconstruction began with source code of Comanche 055 previously transcribed from a digitized copy of that program. The code was then updated by undoing changes related to the R-2 lunar potential model, using hints from program comments and change-indicating asterisks in the Comanche 055 listing as a guide. The reconstruction was verified by matching memory-bank checksums to those listed in drawing 2021153D. Note that page numbers in the reconstructed code match those on the Comanche 055 printout, although the added code would likely have changed page numbers for a real Comanche 051 listing.

Comments from the original source code are prefixed with a single '#' symbol, whereas comments added later are prefixed by "##" or "###". Report any errors noted by creating an issue report at the Virtual AGC project's GitHub repository.

059144,000002:                                                                                                  ## Copyright:   Public domain.
059145,000003:                                                                                                  ## Filename:    AGC_BLOCK_TWO_SELF-CHECK.agc
059146,000004:                                                                                                  ## Purpose:     A section of Comanche revision 051.
059147,000005:                                                                                                  ##              It is part of the reconstructed source code for the
059148,000006:                                                                                                  ##              original release of the flight software for the Command
059149,000007:                                                                                                  ##              Module's (CM) Apollo Guidance Computer (AGC) for Apollo 11.
059150,000008:                                                                                                  ##              The code has been recreated from a copy of Comanche 055. It
059151,000009:                                                                                                  ##              has been adapted such that the resulting bugger words
059152,000010:                                                                                                  ##              exactly match those specified for Comanche 51 in NASA drawing
059153,000011:                                                                                                  ##              2021153D, which gives relatively high confidence that the
059154,000012:                                                                                                  ##              reconstruction is correct.
059155,000013:                                                                                                  ## Reference:   pp. 1394-1403
059156,000014:                                                                                                  ## Assembler:   yaYUL
059157,000015:                                                                                                  ## Contact:     Ron Burkey <info@sandroid.org>.
059158,000016:                                                                                                  ## Website:     www.ibiblio.org/apollo/index.html
059159,000017:                                                                                                  ## Mod history: 2019-07-30 MAS  Created from Comanche 55.
059160,000018: 

Page 1394

059162,000020:                                                                                                  #  PROGRAM DESCRIPTION                           DATE  20 DECEMBER 1967
059163,000021:                                                                                                  #  PROGRAM NAME - SELF-CHECK                     LOG SECTION AGC BLOCK TWO SELF-CHECK
059164,000022:                                                                                                  #  MOD NO - 1                                    ASSEMBLY SUBROUTINE UTILITYM REV 25
059165,000023:                                                                                                  #  MOD BY - GAUNTT
059166,000024: 
059167,000025:                                                                                                  #  FUNCTIONAL DESCRIPTION
059168,000026:                                                                                                  #        PROGRAM HAS TWO MAIN PARTS.  THE FIRST IS SELF-CHECK WHICH RUNS AS A ZERO PRIORITY JOB WITH NO CORE SET, AS
059169,000027:                                                                                                  #        PART OF THE BACK-UP IDLE LOOP.  THE SECOND IS SHOW-BANKSUM WHICH RUNS AS A REGULAR EXECUTIVE JOB WITH ITS OWN
059170,000028:                                                                                                  #        STARTING VERB.
059171,000029: 
059172,000030:                                                                                                  #        THE PURPOSE OF SELF-CHECK IS TO CHECK OUT VARIOUS PARTS OF THE COMPUTER AS OUTLINED BELOW IN THE OPTIONS.
059173,000031: 
059174,000032:                                                                                                  #        THE PURPOSE OF SHOW-BANKSUM IS TO DISPLAY THE SUM OF EACH BANK, ONE AT A TIME.
059175,000033: 
059176,000034:                                                                                                  #        IN ALL THERE ARE 7 POSSIBLE OPTIONS IN THIS BLOCK II VERSION OF SELF-CHECK.  MORE DETAIL DESCRIPTION MAY BE
059177,000035:                                                                                                  #        FOUND IN E-2065 BLOCK II AGC SELF-CHECK AND SHOW BANKSUM BY EDWIN D. SMALLY DECEMBER 1966, AND ADDENDA 2 AND 3.
059178,000036: 
059179,000037:                                                                                                  #        THE DIFFERENT OPTIONS ARE CONTROLLED BY PUTTING DIFFERENT NUMBERS IN THE SMODE REGISTER (NOUN 27).  BELOW IS
059180,000038:                                                                                                  #        A DESCRIPTION OF WHAT PARTS OF THE COMPUTER THAT ARE CHECKED BY THE OPTIONS, AND THE CORRESPONDING NUMBER, IN
059181,000039:                                                                                                  #        OCTAL, TO LOAD INTO SMODE.
059182,000040:                                                                                                  #                +-4             ERASABLE MEMORY
059183,000041:                                                                                                  #                +-5             FIXED MEMORY
059184,000042:                                                                                                  #                +-1,2,3,6,7,10  EVERYTHING IN OPTIONS 4 AND 5.
059185,000043:                                                                                                  #                -0              SAME AS +-10 UNTIL AN ERROR IS DETECTED.
059186,000044:                                                                                                  #                +0              NO CHECK, PUTS COMPUTER INTO THE BACKUP IDLE LOOP.
059187,000045: 
059188,000046:                                                                                                  #  WARNINGS
059189,000047:                                                                                                  #        USE OF E MEMORY RESERVED FOR SELF-CHECK (EVEN IN IDLE LOOP) AS TEMP STORAGE BY OTHER PROGRAMS IS DANGEROUS.
059190,000048:                                                                                                  #        SMODE SET GREATER THAN OCT 10 PUTS COMPUTER INTO BACKUP IDLE LOOP.
059191,000049: 
059192,000050:                                                                                                  #  CALLING SEQUENCE
059193,000051:                                                                                                  #        TO CALL SELF-CHECK KEY IN
059194,000052:                                                                                                  #                V 21 N 27 E     OPTION NUMBER E
059195,000053:                                                                                                  #        TO CALL SHOW-BANKSUM KEY IN
059196,000054:                                                                                                  #                V 91 E          DISPLAYS FIRST BANK
059197,000055:                                                                                                  #                V 33 E          PROCEED, DISPLAYS NEXT BANK
059198,000056: 
059199,000057:                                                                                                  #  EXIT MODES, NORMAL AND ALARM
059200,000058:                                                                                                  #        SELF-CHECK NORMALLY CONTINUES INDEFINITELY UNLESS THERE IS AN ERROR DETECTED.  IF SO + OPTION NUMBERS PUT
059201,000059:                                                                                                  #        COMPUTER INTO BACKUP IDLE LOOP, - OPTION NUMBERS RESTART THE OPTION.
059202,000060: 
059203,000061:                                                                                                  #        THE -0 OPTION PROCEEDS FROM THE LINE FOLLOWING THE LINE WHERE THE ERROR WAS DETECTED.
059204,000062: 
059205,000063:                                                                                                  #        SHOW-BANKSUM PROCEEDS UNTIL A TERMINATE IS KEYED IN (V 34 E).  THE COMPUTER IS PUT INTO THE BACKUP IDLE LOOP
059206,000064: 
059207,000065:                                                                                                  #  OUTPUT

Page 1395

059209,000067:                                                                                                  #        SELF-CHECK UPON DETECTING AN ERROR LOADS THE SELF-CHECK ALARM CONSTANT (01102) INTO THE FAILREG SET AND
059210,000068:                                                                                                  #        TURNS ON THE ALARM LIGHT.  THE OPERATOR MAY THEN DISPLAY THE THREE FAILREGS BY KEYING IN V 05 N 09 E.  FOR FURTHER
059211,000069:                                                                                                  #        INFORMATION HE MAY KEY IN V 05 N 08 E, THE DSKY DISPLAY IN R1 WILL BE ADDRESS+1 OF WHERE THE ERROR WAS DETECTED,
059212,000070:                                                                                                  #        IN R2 THE BBCON OF SELF-CHECK, AND IN R3 THE TOTAL NUMBER OF ERRORS DETECTED BY SELF-CHECK SINCE THE LAST MAN
059213,000071:                                                                                                  #        INITIATED FRESH START (SLAP1).
059214,000072: 
059215,000073:                                                                                                  #        SHOW-BANKSUM STARTING WITH BANK 0 DISPLAYS IN R1 THE BANK SUM (A +-NUMBER EQUAL TO THE BANK NUMBER), IN R2
059216,000074:                                                                                                  #        THE BANK NUMBER, AND IN R3 THE BUGGER WORD.
059217,000075: 
059218,000076:                                                                                                  #  ERASABLE INITIALIZATION REQUIRED
059219,000077:                                                                                                  #        ACCOMPLISHED BY FRESH START
059220,000078:                                                                                                  #                SMODE SET TO +0
059221,000079: 
059222,000080:                                                                                                  #  DEBRIS
059223,000081:                                                                                                  #        ALL EXITS FROM THE CHECK OF ERASABLE (ERASCHK) RESTORE ORIGINAL CONTENTS TO REGISTERS UNDER CHECK.
059224,000082:                                                                                                  #        EXCEPTION IS A RESTART.  RESTART THAT OCCURS DURING ERASCHK RESTORES ERASABLE, UNLESS THERE IS EVIDENCE TO DOUBT
059225,000083:                                                                                                  #        E MEMORY, IN WHICH CASE PROGRAM THEN DOES A FRESH START (DOFSTART).
059226,000084: 
059227,000085: 25,3774                                           BANK     25                                    
059228,000086: 43,2000                                           SETLOC   SELFCHEC                              
059229,000087: 43,2000                                           BANK                                           
059230,000088: 
059231,000089: 43,3234                                           COUNT    43/SELF                               
059232,000090: 
059233,000091: 43,3234     5017               SBIT1              EQUALS   BIT1                                  
059234,000092: 43,3234     5016               SBIT2              EQUALS   BIT2                                  
059235,000093: 43,3234     5015               SBIT3              EQUALS   BIT3                                  
059236,000094: 43,3234     5014               SBIT4              EQUALS   BIT4                                  
059237,000095: 43,3234     5013               SBIT5              EQUALS   BIT5                                  
059238,000096: 43,3234     5012               SBIT6              EQUALS   BIT6                                  
059239,000097: 43,3234     5011               SBIT7              EQUALS   BIT7                                  
059240,000098: 43,3234     5010               SBIT8              EQUALS   BIT8                                  
059241,000099: 43,3234     5007               SBIT9              EQUALS   BIT9                                  
059242,000100: 43,3234     5006               SBIT10             EQUALS   BIT10                                 
059243,000101: 43,3234     5005               SBIT11             EQUALS   BIT11                                 
059244,000102: 43,3234     5004               SBIT12             EQUALS   BIT12                                 
059245,000103: 43,3234     5003               SBIT13             EQUALS   BIT13                                 
059246,000104: 43,3234     5002               SBIT14             EQUALS   BIT14                                 
059247,000105: 43,3234     5001               SBIT15             EQUALS   BIT15                                 
059248,000106: 
059249,000107: 43,3234     5021               S+ZERO             EQUALS   ZERO                                  
059250,000108: 43,3234     5017               S+1                EQUALS   BIT1                                  
059251,000109: 43,3234     5016               S+2                EQUALS   BIT2                                  
059252,000110: 43,3234     6214               S+3                EQUALS   THREE                                 
059253,000111: 43,3234     5015               S+4                EQUALS   FOUR                                  
059254,000112: 43,3234     5022               S+5                EQUALS   FIVE                                  

Page 1396

059256,000114: 43,3234     6211               S+6                EQUALS   SIX                                   
059257,000115: 43,3234     5023               S+7                EQUALS   SEVEN                                 
059258,000116: 43,3234     4373               S8BITS             EQUALS   LOW8                                  #  00377
059259,000117: 43,3234     5033               CNTRCON            =        OCT50                                 #  USED IN CNTRCHK
059260,000118: 43,3234           00061        ERASCON1           OCTAL    00061                                 #  USED IN ERASCHK
059261,000119: 43,3235           01373        ERASCON2           OCTAL    01373                                 #  USED IN ERASCHK
059262,000120: 43,3236     5051               ERASCON6           =        OCT1400                               #  USED IN ERASCHK
059263,000121: 43,3236           01461        ERASCON3           OCTAL    01461                                 #  USED IN ERASCHK
059264,000122: 43,3237           01773        ERASCON4           OCTAL    01773                                 #  USED IN ERASCHK
059265,000123: 43,3240     5054               S10BITS            EQUALS   LOW10                                 #  01777, USED IN ERASCHK
059266,000124: 43,3240     5062               SBNK03             EQUALS   PRIO6                                 #  06000, USED IN ROPECHK
059267,000125: 43,3240     4364               -MAXADRS           =        HI5                                   #  FOR ROPECHK
059268,000126: 43,3240           00060        SIXTY              OCTAL    00060                                 
059269,000127: 43,3241           60017        SUPRCON            OCTAL    60017                                 #  USED IN ROPECHK
059270,000128: 43,3242           17777        S13BITS            OCTAL    17777                                 
059271,000129: 43,3243           25252        CONC+S1            OCTAL    25252                                 #  USED IN CYCLSHFT
059272,000130: 43,3244           52400        CONC+S2            OCTAL    52400                                 #  USED IN CYCLSHFT
059273,000131: 43,3245           76777        ERASCON5           OCTAL    76777                                 
059274,000132: 43,3246     5731               S-7                =        OCT77770                              
059275,000133: 43,3246     6061               S-4                EQUALS   NEG4                                  
059276,000134: 43,3246     7714               S-3                EQUALS   NEG3                                  
059277,000135: 43,3246     7715               S-2                EQUALS   NEG2                                  
059278,000136: 43,3246     7716               S-1                EQUALS   NEGONE                                
059279,000137: 43,3246     5020               S-ZERO             EQUALS   NEG0                                  
059280,000138: 
059281,000139: 43,3246  E3,1400                                  EBANK=   LST1                                  
059282,000140: 43,3246           01371        ADRS1              ADRES    SKEEP1                                
059283,000141: 43,3247           03340        SELFADRS           ADRES    SELFCHK                               #  SELFCHK RETURN ADDRESS.  SHOULD BE PUT
059284,000142:                                                                                                  #  IN SELFRET WHEN GOING FROM SELFCHK TO
059285,000143:                                                                                                  #  SHOWSUM AND PUT IN SKEEP1 WHEN GOING
059286,000144:                                                                                                  #  FROM SHOWSUM TO SELF-CHECK.
059287,000145: 
059288,000146: 43,3250           31360        PRERRORS           CA       ERESTORE                              #  IS IT NECESSARY TO RESTORE ERASABLE
059289,000147: 43,3251           00006                           EXTEND                                         
059290,000148: 43,3252           13261                           BZF      ERRORS                                #  NO
059291,000149: 43,3253           00006                           EXTEND                                         
059292,000150: 43,3254           31376                           DCA      SKEEP5                                
059293,000151: 43,3255           51377                           INDEX    SKEEP7                                
059294,000152: 43,3256           52001                           DXCH     0000                                  #  RESTORE THE TWO ERASABLE REGISTERS
059295,000153: 43,3257           35021                           CA       S+ZERO                                
059296,000154: 43,3260           55360                           TS       ERESTORE                              
059297,000155: 43,3261           00004        ERRORS             INHINT                                         
059298,000156: 43,3262           30002                           CA       Q                                     
059299,000157: 43,3263           55357                           TS       SFAIL                                 #  SAVE Q FOR FAILURE LOCATION
059300,000158: 43,3264           55363                           TS       ALMCADR                               #  FOR DISPLAY WITH BBANK AND ERCOUNT
059301,000159: 43,3265           25365                           INCR     ERCOUNT                               #  KEEP TRACK OF NUMBER OF MALFUNCTIONS.
059302,000160: 43,3266           05652        TCALARM2           TC       ALARM2                                
059303,000161: 43,3267           01102                           OCT      01102                                 #  SELF-CHECK MALFUNCTION INDICATOR
059304,000162: 43,3270           11362                           CCS      SMODE                                 
059305,000163: 43,3271           35021        SIDLOOP            CA       S+ZERO                                

Page 1397

059307,000165: 43,3272           55362                           TS       SMODE                                 
059308,000166: 43,3273           03340                           TC       SELFCHK                               #  GO TO IDLE LOOP
059309,000167: 43,3274           01357                           TC       SFAIL                                 #  CONTINUE WITH SELF-CHECK
059310,000168: 
059311,000169: 43,3275           10000        -1CHK              CCS      A                                     
059312,000170: 43,3276           13250                           TCF      PRERRORS                              
059313,000171: 43,3277           13250                           TCF      PRERRORS                              
059314,000172: 43,3300           10000                           CCS      A                                     
059315,000173: 43,3301           13250                           TCF      PRERRORS                              
059316,000174: 43,3302           00002                           TC       Q                                     
059317,000175: 
059318,000176: 43,3303           00006        SMODECHK           EXTEND                                         
059319,000177: 43,3304           23371                           QXCH     SKEEP1                                
059320,000178: 43,3305           03334                           TC       CHECKNJ                               #  CHECK FOR NEW JOB
059321,000179: 43,3306           11362                           CCS      SMODE                                 
059322,000180: 43,3307           03314                           TC       SOPTIONS                              
059323,000181: 43,3310           03305                           TC       SMODECHK   +2                         #  TO BACKUP IDLE LOOP
059324,000182: 43,3311           03314                           TC       SOPTIONS                              
059325,000183: 43,3312           25366                           INCR     SCOUNT                                
059326,000184: 43,3313           01371                           TC       SKEEP1                                #  CONTINUE WITH SELF-CHECK
059327,000185: 
059328,000186: 43,3314           65731        SOPTIONS           AD       S-7                                   
059329,000187: 43,3315           00006                           EXTEND                                         
059330,000188: 43,3316           63320                           BZMF     +2                                    #  FOR OPTIONS BELOW NINE.
059331,000189: 43,3317           03271        BNKOPTN            TC       SIDLOOP                               #  ILLEGAL OPTION.  GO TO IDLE LOOP.
059332,000190: 43,3320           25366                           INCR     SCOUNT                                #  FOR OPTIONS BELOW NINE.
059333,000191: 43,3321           65023                           AD       S+7                                   
059334,000192: 
059335,000193: 43,3322           50000                           INDEX    A                                     
059336,000194: 43,3323           03324                           TC       SOPTION1                              
059337,000195: 43,3324           01371        SOPTION1           TC       SKEEP1                                #  WAS TC+TCF
059338,000196: 43,3325           01371        SOPTION2           TC       SKEEP1                                #  WAS IN:OUT1
059339,000197: 43,3326           01371        SOPTION3           TC       SKEEP1                                #  WAS COUNTCHK
059340,000198: 43,3327           03341        SOPTION4           TC       ERASCHK                               
059341,000199: 43,3330           03522        SOPTION5           TC       ROPECHK                               
059342,000200: 43,3331           01371        SOPTION6           TC       SKEEP1                                
059343,000201: 43,3332           01371        SOPTION7           TC       SKEEP1                                
059344,000202: 43,3333           01371        SOPTON10           TC       SKEEP1                                #  CONTINUE WITH SELF-CHECK
059345,000203: 
059346,000204: 43,3334           00006        CHECKNJ            EXTEND                                         
059347,000205: 43,3335           23361                           QXCH     SELFRET                               #  SAVE RETURN ADDRESS WHILE TESTING NEWJOB
059348,000206: 43,3336           04701                           TC       POSTJUMP                              #  TO SEE IF ANY JOBS HAVE BECOME ACTIVE.
059349,000207: 43,3337           03231                           CADR     ADVAN                                 
059350,000208: 
059351,000209: 43,3340           03303        SELFCHK            TC       SMODECHK                              #  ** CHARLEY, COME IN HERE
059352,000210: 
059353,000211:                                                                                                  #  SKEEP7 HOLDS LOWEST OF TWO ADDRESSES BEING CHECKED.
059354,000212:                                                                                                  #  SKEEP6 HOLDS B(X+1).
059355,000213:                                                                                                  #  SKEEP5 HOLDS B(X).
059356,000214:                                                                                                  #  SKEEP4 HOLDS C(EBANK) DURING ERASLOOP AND CHECKNJ.

Page 1398

059358,000216:                                                                                                  #  SKEEP3 HOLDS LAST ADDRESS BEING CHECKED (HIGHEST ADDRESS).
059359,000217:                                                                                                  #  SKEEP2 CONTROLS CHECKING OF NON-SWITCHABLE ERASABLE MEMORY WITH BANK NUMBERS IN EB.
059360,000218: 
059361,000219:                                                                                                  #  ERASCHK TAKES APPROXMATELY 7 SECONDS
059362,000220: 
059363,000221: 43,3341           35017        ERASCHK            CA       S+1                                   
059364,000222: 43,3342           55372                           TS       SKEEP2                                
059365,000223: 43,3343           35021        0EBANK             CA       S+ZERO                                
059366,000224: 43,3344           54003                           TS       EBANK                                 
059367,000225: 43,3345           33236                           CA       ERASCON3                              #  01461
059368,000226: 43,3346           55377                           TS       SKEEP7                                #  STARTING ADDRESS
059369,000227: 43,3347           35054                           CA       S10BITS                               #  01777
059370,000228: 43,3350           55373                           TS       SKEEP3                                #  LAST ADDRESS CHECKED
059371,000229: 43,3351           03371                           TC       ERASLOOP                              
059372,000230: 
059373,000231: 43,3352           35051        E134567B           CA       ERASCON6                              #  01400
059374,000232: 43,3353           55377                           TS       SKEEP7                                #  STARTING ADDRESS
059375,000233: 43,3354           35054                           CA       S10BITS                               #  01777
059376,000234: 43,3355           55373                           TS       SKEEP3                                #  LAST ADDRESS CHECKED
059377,000235: 43,3356           03371                           TC       ERASLOOP                              
059378,000236: 
059379,000237: 43,3357           35051        2EBANK             CA       ERASCON6                              #  01400
059380,000238: 43,3360           55377                           TS       SKEEP7                                #  STARTING ADDRESS
059381,000239: 43,3361           33237                           CA       ERASCON4                              #  01773
059382,000240: 43,3362           55373                           TS       SKEEP3                                #  LAST ADDRESS CHECKED
059383,000241: 43,3363           03371                           TC       ERASLOOP                              
059384,000242: 
059385,000243: 43,3364           55372        NOEBANK            TS       SKEEP2                                #  +0
059386,000244: 43,3365           33234                           CA       ERASCON1                              #  00061
059387,000245: 43,3366           55377                           TS       SKEEP7                                #  STARTING ADDRESS
059388,000246: 43,3367           33235                           CA       ERASCON2                              #  01373
059389,000247: 43,3370           55373                           TS       SKEEP3                                #  LAST ADDRESS CHECKED
059390,000248: 
059391,000249: 43,3371           00004        ERASLOOP           INHINT                                         
059392,000250: 43,3372           30003                           CA       EBANK                                 #  STORES C(EBANK)
059393,000251: 43,3373           55374                           TS       SKEEP4                                
059394,000252: 43,3374           00006                           EXTEND                                         
059395,000253: 43,3375           51377                           NDX      SKEEP7                                
059396,000254: 43,3376           30001                           DCA      0000                                  
059397,000255: 43,3377           53376                           DXCH     SKEEP5                                #  STORES C(X) AND C(X+1) IN SKEEP6 AND 5.
059398,000256: 43,3400           31377                           CA       SKEEP7                                
059399,000257: 43,3401           55360                           TS       ERESTORE                              #  IF RESTART, RESTORE C(X) AND C(X+1)
059400,000258: 43,3402           54001                           TS       L                                     
059401,000259: 43,3403           24001                           INCR     L                                     
059402,000260: 43,3404           50000                           NDX      A                                     
059403,000261: 43,3405           52001                           DXCH     0000                                  #  PUTS OWN ADDRESS IN X AND X +1
059404,000262: 43,3406           51377                           NDX      SKEEP7                                
059405,000263: 43,3407           40001                           CS       0001                                  #  CS X+1
059406,000264: 43,3410           51377                           NDX      SKEEP7                                
059407,000265: 43,3411           60000                           AD       0000                                  #  AD X
059408,000266: 43,3412           03275                           TC       -1CHK                                 
059409,000267: 43,3413           31360                           CA       ERESTORE                              #  HAS ERASABLE BEEN RESTORED

Page 1399

059411,000269: 43,3414           00006                           EXTEND                                         
059412,000270: 43,3415           13441                           BZF      ELOOPFIN                              #  YES, EXIT ERASLOOP.
059413,000271: 43,3416           00006                           EXTEND                                         
059414,000272: 43,3417           51377                           NDX      SKEEP7                                
059415,000273: 43,3420           40001                           DCS      0000                                  #  COMPLEMENT OF ADDRESS OF X AND X+1
059416,000274: 43,3421           51377                           NDX      SKEEP7                                
059417,000275: 43,3422           52001                           DXCH     0000                                  #  PUT COMPLEMENT OF ADDRESS OF X AND X+1
059418,000276: 43,3423           51377                           NDX      SKEEP7                                
059419,000277: 43,3424           40000                           CS       0000                                  #  CS X
059420,000278: 43,3425           51377                           NDX      SKEEP7                                
059421,000279: 43,3426           60001                           AD       0001                                  #  AD X+1
059422,000280: 43,3427           03275                           TC       -1CHK                                 
059423,000281: 43,3430           31360                           CA       ERESTORE                              #  HAS ERASABLE BEEN RESTORED
059424,000282: 43,3431           00006                           EXTEND                                         
059425,000283: 43,3432           13441                           BZF      ELOOPFIN                              #  YES, EXIT ERASLOOP.
059426,000284: 43,3433           00006                           EXTEND                                         
059427,000285: 43,3434           31376                           DCA      SKEEP5                                
059428,000286: 43,3435           51377                           NDX      SKEEP7                                
059429,000287: 43,3436           52001                           DXCH     0000                                  #  PUT B(X) AND B(X+1) BACK INTO X AND X+1
059430,000288: 43,3437           35021                           CA       S+ZERO                                
059431,000289: 43,3440           55360                           TS       ERESTORE                              #  IF RESTART, DO NOT RESTORE C(X), C(X+1)
059432,000290: 43,3441           00003        ELOOPFIN           RELINT                                         
059433,000291: 43,3442           03334                           TC       CHECKNJ                               #  CHECK FOR NEW JOB
059434,000292: 43,3443           31374                           CA       SKEEP4                                #  REPLACES B(EBANK)
059435,000293: 43,3444           54003                           TS       EBANK                                 
059436,000294: 43,3445           25377                           INCR     SKEEP7                                
059437,000295: 43,3446           41377                           CS       SKEEP7                                
059438,000296: 43,3447           61373                           AD       SKEEP3                                
059439,000297: 43,3450           00006                           EXTEND                                         
059440,000298: 43,3451           13453                           BZF      +2                                    
059441,000299: 43,3452           03371                           TC       ERASLOOP                              #  GO TO NEXT ADDRESS IN SAME BANK
059442,000300: 43,3453           11372                           CCS      SKEEP2                                
059443,000301: 43,3454           03364                           TC       NOEBANK                               
059444,000302: 43,3455           25372                           INCR     SKEEP2                                #  PUT +1 IN SKEEP2.
059445,000303: 43,3456           30003                           CA       EBANK                                 
059446,000304: 43,3457           65007                           AD       SBIT9                                 
059447,000305: 43,3460           54003                           TS       EBANK                                 
059448,000306: 43,3461           63245                           AD       ERASCON5                              #  76777, CHECK FOR BANK E2
059449,000307: 43,3462           00006                           EXTEND                                         
059450,000308: 43,3463           13357                           BZF      2EBANK                                
059451,000309: 43,3464           10003                           CCS      EBANK                                 
059452,000310: 43,3465           03352                           TC       E134567B                              #  GO TO EBANKS 1,3,4,5,6, AND 7
059453,000311: 43,3466           35051                           CA       ERASCON6                              #  END OF ERASCHK
059454,000312: 43,3467           54003                           TS       EBANK                                 
059455,000313: 
059456,000314:                                                                                                  #  CNTRCHK PERFORMS A CS OF ALL REGISTERS FROM OCT. 60 THROUGH OCT. 10.
059457,000315:                                                                                                  #  INCLUDED ARE ALL COUNTERS, T6-1, CYCLE AND SHIFT, AND ALL RUPT REGISTERS
059458,000316: 
059459,000317: 43,3470           35033        CNTRCHK            CA       CNTRCON                               #  00050
059460,000318: 43,3471           55372        CNTRLOOP           TS       SKEEP2                                
059461,000319: 43,3472           65014                           AD       SBIT4                                 #  +10 OCTAL
059462,000320: 43,3473           50000                           INDEX    A                                     

Page 1400

059464,000322: 43,3474           40000                           CS       0000                                  
059465,000323: 43,3475           11372                           CCS      SKEEP2                                
059466,000324: 43,3476           03471                           TC       CNTRLOOP                              
059467,000325: 
059468,000326:                                                                                                  #  CYCLSHFT CHECKS THE CYCLE AND SHIFT REGISTERS
059469,000327: 
059470,000328: 43,3477           33243        CYCLSHFT           CA       CONC+S1                               #  25252
059471,000329: 43,3500           54020                           TS       CYR                                   #  C(CYR) = 12525
059472,000330: 43,3501           54022                           TS       CYL                                   #  C(CYL) = 52524
059473,000331: 43,3502           54021                           TS       SR                                    #  C(SR) = 12525
059474,000332: 43,3503           54023                           TS       EDOP                                  #  C(EDOP) = 00125
059475,000333: 43,3504           60020                           AD       CYR                                   #  37777         C(CYR) = 45252
059476,000334: 43,3505           60022                           AD       CYL                                   #  00-12524      C(CYL) = 25251
059477,000335: 43,3506           60021                           AD       SR                                    #  00-25251      C(SR) = 05252
059478,000336: 43,3507           60023                           AD       EDOP                                  #  00-25376      C(EDOP) = +0
059479,000337: 43,3510           63244                           AD       CONC+S2                               #  C(CONC+S2) = 52400
059480,000338: 43,3511           03275                           TC       -1CHK                                 
059481,000339: 43,3512           60020                           AD       CYR                                   #  45252
059482,000340: 43,3513           60022                           AD       CYL                                   #  72523
059483,000341: 43,3514           60021                           AD       SR                                    #  77775
059484,000342: 43,3515           60023                           AD       EDOP                                  #  77775
059485,000343: 43,3516           65017                           AD       S+1                                   #  77776
059486,000344: 43,3517           03275                           TC       -1CHK                                 
059487,000345: 
059488,000346: 43,3520           25367                           INCR     SCOUNT     +1                         
059489,000347: 43,3521           03303                           TC       SMODECHK                              
059490,000348: 
059491,000349:                                                                                                  #  SKEEP1 HOLDS SUM
059492,000350:                                                                                                  #  SKEEP2 HOLDS PRESENT CONTENTS OF ADDRESS IN ROPECHK AND SHOWSUM ROUTINES
059493,000351:                                                                                                  #  SKEEP2 HOLDS BANK NUMBER IN LOW ORDER BITS DURING SHOWSUM DISPLAY
059494,000352:                                                                                                  #  SKEEP3 HOLDS PRESENT ADDRESS (00000 TO 01777 IN COMMON FIXED BANKS)
059495,000353:                                                                                                  #                               (04000 TO 07777 IN FXFX BANKS)
059496,000354:                                                                                                  #  SKEEP3 HOLDS BUGGER WORD DURING SHOWSUM DISPLAY
059497,000355:                                                                                                  #  SKEEP4 HOLDS BANK NUMBER AND SUPER BANK NUMBER
059498,000356:                                                                                                  #  SKEEP5 COUNTS 2 SUCCESSIVE TC SELF WORDS
059499,000357:                                                                                                  #  SKEEP6 CONTROLS ROPECHK OR SHOWSUM OPTION
059500,000358:                                                                                                  #  SKEEP7 CONTROLS WHEN ROUNTINE IS IN COMMON FIXED OR FIXED FIXED BANKS
059501,000359: 
059502,000360: 43,3522           35020        ROPECHK            CA       S-ZERO                                #  *
059503,000361: 43,3523           55376                           TS       SKEEP6                                #  * -0 FOR ROPECHK.
059504,000362: 43,3524           35021        STSHOSUM           CA       S+ZERO                                #  * SHOULD BE ROPECHK
059505,000363: 
059506,000364: 43,3525           55374                           TS       SKEEP4                                #  BANK NUMBER
059507,000365: 43,3526           35017                           CA       S+1                                   
059508,000366: 43,3527           55377        COMMFX             TS       SKEEP7                                
059509,000367: 43,3530           35021                           CA       S+ZERO                                
059510,000368: 43,3531           55371                           TS       SKEEP1                                
059511,000369: 43,3532           55373                           TS       SKEEP3                                
059512,000370: 43,3533           35017                           CA       S+1                                   
059513,000371: 43,3534           55375                           TS       SKEEP5                                #  COUNTS DOWN 2 TC SELF WORDS
059514,000372: 43,3535           31374        COMADRS            CA       SKEEP4                                
059515,000373: 43,3536           54001                           TS       L                                     #  TO SET SUPER BANK

Page 1401

059517,000375: 43,3537           74364                           MASK     HI5                                   
059518,000376: 43,3540           61373                           AD       SKEEP3                                
059519,000377: 43,3541           04715                           TC       SUPDACAL                              #  SUPER DATA CALL
059520,000378: 43,3542           03565                           TC       ADSUM                                 
059521,000379: 43,3543           65005                           AD       SBIT11                                #  02000
059522,000380: 43,3544           03576                           TC       ADRSCHK                               
059523,000381: 
059524,000382: 43,3545           40000        FXFX               CS       A                                     
059525,000383: 43,3546           55377                           TS       SKEEP7                                
059526,000384: 43,3547           00006                           EXTEND                                         
059527,000385: 43,3550           13553                           BZF      +3                                    
059528,000386: 43,3551           35004                           CA       SBIT12                                #  04000, STARTING ADDRESS OF BANK 02
059529,000387: 43,3552           03554                           TC       +2                                    
059530,000388: 43,3553           35062                           CA       SBNK03                                #  06000, STARTING ADDRESS OF BANK 03
059531,000389: 43,3554           55373                           TS       SKEEP3                                
059532,000390: 43,3555           35021                           CA       S+ZERO                                
059533,000391: 43,3556           55371                           TS       SKEEP1                                
059534,000392: 43,3557           35017                           CA       S+1                                   
059535,000393: 43,3560           55375                           TS       SKEEP5                                #  COUNTS DOWN 2 TC SELF WORDS
059536,000394: 43,3561           51373        FXADRS             INDEX    SKEEP3                                
059537,000395: 43,3562           30000                           CA       0000                                  
059538,000396: 43,3563           03565                           TC       ADSUM                                 
059539,000397: 43,3564           03576                           TC       ADRSCHK                               
059540,000398: 
059541,000399: 43,3565           55372        ADSUM              TS       SKEEP2                                
059542,000400: 43,3566           61371                           AD       SKEEP1                                
059543,000401: 43,3567           55371                           TS       SKEEP1                                
059544,000402: 43,3570           35021                           CAF      S+ZERO                                
059545,000403: 43,3571           61371                           AD       SKEEP1                                
059546,000404: 43,3572           55371                           TS       SKEEP1                                
059547,000405: 43,3573           41372                           CS       SKEEP2                                
059548,000406: 43,3574           61373                           AD       SKEEP3                                
059549,000407: 43,3575           00002                           TC       Q                                     
059550,000408: 
059551,000409: 43,3576           22000        ADRSCHK            LXCH     A                                     
059552,000410: 43,3577           31373                           CA       SKEEP3                                
059553,000411: 43,3600           75054                           MASK     LOW10                                 #  RELATIVE ADDRESS
059554,000412: 43,3601           64364                           AD       -MAXADRS                              #  SUBTRACT MAX RELATIVE ADDRESS = 1777.
059555,000413: 43,3602           00006                           EXTEND                                         
059556,000414: 43,3603           13672                           BZF      SOPTION                               #  CHECKSUM FINISHED IF LAST ADDRESS.
059557,000415: 43,3604           11375                           CCS      SKEEP5                                #  IS CHECKSUM FINISHED
059558,000416: 43,3605           03610                           TC       +3                                    #  NO
059559,000417: 43,3606           03610                           TC       +2                                    #  NO
059560,000418: 43,3607           03672                           TC       SOPTION                               #  GO TO ROPECHK SHOWSUM OPTION
059561,000419: 43,3610           10001                           CCS      L                                     #  -0 MEANS A TC SELF WORD.
059562,000420: 43,3611           03620                           TC       CONTINU                               
059563,000421: 43,3612           03620                           TC       CONTINU                               
059564,000422: 43,3613           03620                           TC       CONTINU                               
059565,000423: 43,3614           11375                           CCS      SKEEP5                                
059566,000424: 43,3615           03621                           TC       CONTINU    +1                         

Page 1402

059568,000426: 43,3616           37716                           CA       S-1                                   
059569,000427: 43,3617           03621                           TC       CONTINU    +1                         #  AD IN THE BUGGER WORD
059570,000428: 43,3620           35017        CONTINU            CA       S+1                                   #  MAKE SURE TWO CONSECUTIVE TC SELF WORDS
059571,000429: 43,3621           55375                           TS       SKEEP5                                
059572,000430: 43,3622           11376                           CCS      SKEEP6                                #  *
059573,000431: 43,3623           10067                           CCS      NEWJOB                                #  * +1, SHOWSUM
059574,000432: 43,3624           05164                           TC       CHANG1                                #  *
059575,000433: 43,3625           03627                           TC       +2                                    #  *
059576,000434: 43,3626           03334                           TC       CHECKNJ                               #  -0 IN SKEEP6 FOR ROPECHK
059577,000435: 
059578,000436: 43,3627           25373        ADRS+1             INCR     SKEEP3                                
059579,000437: 43,3630           11377                           CCS      SKEEP7                                
059580,000438: 43,3631           03535                           TC       COMADRS                               
059581,000439: 43,3632           03535                           TC       COMADRS                               
059582,000440: 43,3633           03561                           TC       FXADRS                                
059583,000441: 43,3634           03561                           TC       FXADRS                                
059584,000442: 
059585,000443: 43,3635           41374        NXTBNK             CS       SKEEP4                                
059586,000444: 43,3636           63725                           AD       LSTBNKCH                              #  LAST BANK TO BE CHECKED
059587,000445: 43,3637           00006                           EXTEND                                         
059588,000446: 43,3640           13011                           BZF      ENDSUMS                               #  END OF SUMMING OF BANKS.
059589,000447: 43,3641           31374                           CA       SKEEP4                                
059590,000448: 43,3642           65005                           AD       SBIT11                                
059591,000449: 43,3643           55374                           TS       SKEEP4                                #  37 TO 40 INCRMTS SKEEP4 BY END RND CARRY
059592,000450: 43,3644           03650                           TC       CHKSUPR                               
059593,000451: 43,3645           35001        17TO20             CA       SBIT15                                
059594,000452: 43,3646           27374                           ADS      SKEEP4                                #  SET FOR BANK 20
059595,000453: 43,3647           03664                           TC       GONXTBNK                              
059596,000454: 43,3650           74364        CHKSUPR            MASK     HI5                                   
059597,000455: 43,3651           00006                           EXTEND                                         
059598,000456: 43,3652           13662                           BZF      NXTSUPR                               #  INCREMENT SUPER BANK
059599,000457: 43,3653           63242        27TO30             AD       S13BITS                               
059600,000458: 43,3654           00006                           EXTEND                                         
059601,000459: 43,3655           13657                           BZF      +2                                    #  BANK SET FOR 30
059602,000460: 43,3656           03664                           TC       GONXTBNK                              
059603,000461: 43,3657           33240                           CA       SIXTY                                 #  FIRST SUPER BANK
059604,000462: 43,3660           27374                           ADS      SKEEP4                                
059605,000463: 43,3661           03664                           TC       GONXTBNK                              
059606,000464: 43,3662           63241        NXTSUPR            AD       SUPRCON                               #  SET BNK 30 + INCR SUPR BNK AND CANCEL
059607,000465: 43,3663           27374                           ADS      SKEEP4                                #  ERC BIT OF THE 37 TO 40 ADVANCE.
059608,000466: 43,3664           11377        GONXTBNK           CCS      SKEEP7                                
059609,000467: 43,3665           03527                           TC       COMMFX                                
059610,000468: 43,3666           35017                           CA       S+1                                   
059611,000469: 43,3667           03545                           TC       FXFX                                  
059612,000470: 43,3670           35011                           CA       SBIT7                                 #  HAS TO BE LARGER THAN NO OF FXSW BANKS.
059613,000471: 43,3671           03527                           TC       COMMFX                                
059614,000472: 
059615,000473: 43,3672           31374        SOPTION            CA       SKEEP4                                
059616,000474: 43,3673           74364                           MASK     HI5                                   #  = BANK BITS
059617,000475: 43,3674           04345                           TC       LEFT5                                 

Page 1403

059619,000477: 43,3675           54001                           TS       L                                     #  BANK NUMBER BEFORE SUPER BANK
059620,000478: 43,3676           31374                           CA       SKEEP4                                
059621,000479: 43,3677           74373                           MASK     S8BITS                                #  = SUPER BANK BITS
059622,000480: 43,3700           00006                           EXTEND                                         
059623,000481: 43,3701           13707                           BZF      SOPT                                  #  BEFORE SUPER BANK
059624,000482: 43,3702           54021                           TS       SR                                    #  SUPER BANK NECESSARY
059625,000483: 43,3703           30001                           CA       L                                     
059626,000484: 43,3704           75023                           MASK     SEVEN                                 
059627,000485: 43,3705           60021                           AD       SR                                    
059628,000486: 43,3706           54001                           TS       L                                     #  BANK NUMBER WITH SUPER BANK
059629,000487: 43,3707           31376        SOPT               CA       SKEEP6                                #  *
059630,000488: 43,3710           00006                           EXTEND                                         #  *
059631,000489: 43,3711           13713                           BZF      +2                                    #  * ON -0 CONTINUE WITH ROPE CHECK.
059632,000490: 43,3712           02773                           TC       SDISPLAY                              #  * ON +1 GO TO DISPLAY OF SUM.
059633,000491: 43,3713           11371                           CCS      SKEEP1                                #  FORCE SUM TO ABSOLUTE VALUE.
059634,000492: 43,3714           03716                           TC       +2                                    
059635,000493: 43,3715           03717                           TC       +2                                    
059636,000494: 43,3716           65017                           AD       S+1                                   
059637,000495: 43,3717           55371                           TS       SKEEP1                                
059638,000496: 43,3720           40001        BNKCHK             CS       L                                     #  = - BANK NUMBER
059639,000497: 43,3721           61371                           AD       SKEEP1                                
059640,000498: 43,3722           67716                           AD       S-1                                   
059641,000499: 43,3723           03275                           TC       -1CHK                                 #  CHECK SUM
059642,000500: 43,3724           03635                           TC       NXTBNK                                
059643,000501: 
059644,000502: 43,3725     0067                                  EBANK=   NEWJOB                                
059645,000503: 43,3725           66100        LSTBNKCH           BBCON*                                         #  * CONSTANT, LAST BANK.
059646,000504: 43,3726  30,2000                                  SBANK=   LOWSUPER                              
059647,000505: 
059648,000506: 

End of include-file AGC_BLOCK_TWO_SELF-CHECK.agc.  Parent file is MAIN.agc