Source Code
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These source-code files are part of a reconstructed copy of Comanche 51, the
initial release (though not the final mission release) of the Apollo 11
Command Module (CM) Apollo Guidance Computer (AGC) software. The flown, final
release was Comanche 55. The reconstruction is believed to be exactly accurate,
but in the absence of an actual Apollo-era listing of Comanche 51, some
explanation of the reconstruction process is needed to insure confidence in
that accuracy.
The starting point was the source code of Comanche 55, whose original source code
is available. Comanche 55 source code was then modified by undoing changes known
to have been made between revisions 51 and 55. The most-significant steps involved
reverting changes related to the R-2 lunar potential model, the details of which
were known from the previous, separate, independent reconstruction of the Apollo 10
Lunar Module software Luminary 69/2. The now-reconstructed
Comanche 51 source code was verified by assembling it and checking that the assembled
code had the expected known-correct memory-bank checksums. Note that page numbers in
the reconstructed code match those on the Comanche 55 or Luminary 69 printouts, although
the source code would likely have different page numbers in a contemporary Comanche 51 listing.
Annotations that were not present in the contemporary source code have been added to
the reconstructed code to justify each change relative to Comanche 55. Here's a guide
to some of the Apollo documentation relevant to those annotations:
Among documentation not actually referenced in the annotations, there is
a short writeup about the reconstruction process in our software repository
that may be helpful in understanding it from a different perspective. There's also
a handy table
that lists what the number of memory-words should be for each routine in Comanche 51,
which could make a nice double-check; however, we've not performed that double-check ourselves.
Comments expected to have been present in 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.
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059249,000002: ## Copyright: Public domain.
059250,000003: ## Filename: AGC_BLOCK_TWO_SELF-CHECK.agc
059251,000004: ## Purpose: A section of Comanche revision 051.
059252,000005: ## It is part of the reconstructed source code for the
059253,000006: ## original release of the flight software for the Command
059254,000007: ## Module's (CM) Apollo Guidance Computer (AGC) for Apollo 11.
059255,000008: ## The code has been recreated from a copy of Comanche 055. It
059256,000009: ## has been adapted such that the resulting bugger words
059257,000010: ## exactly match those specified for Comanche 51 in NASA drawing
059258,000011: ## 2021153D, which gives relatively high confidence that the
059259,000012: ## reconstruction is correct.
059260,000013: ## Reference: pp. 1394-1403
059261,000014: ## Assembler: yaYUL
059262,000015: ## Contact: Ron Burkey <info@sandroid.org>.
059263,000016: ## Website: www.ibiblio.org/apollo/index.html
059264,000017: ## Mod history: 2019-07-30 MAS Created from Comanche 55.
059265,000018:
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Page 1394
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059267,000020: # PROGRAM DESCRIPTION DATE 20 DECEMBER 1967
059268,000021: # PROGRAM NAME - SELF-CHECK LOG SECTION AGC BLOCK TWO SELF-CHECK
059269,000022: # MOD NO - 1 ASSEMBLY SUBROUTINE UTILITYM REV 25
059270,000023: # MOD BY - GAUNTT
059271,000024:
059272,000025: # FUNCTIONAL DESCRIPTION
059273,000026: # PROGRAM HAS TWO MAIN PARTS. THE FIRST IS SELF-CHECK WHICH RUNS AS A ZERO PRIORITY JOB WITH NO CORE SET, AS
059274,000027: # PART OF THE BACK-UP IDLE LOOP. THE SECOND IS SHOW-BANKSUM WHICH RUNS AS A REGULAR EXECUTIVE JOB WITH ITS OWN
059275,000028: # STARTING VERB.
059276,000029:
059277,000030: # THE PURPOSE OF SELF-CHECK IS TO CHECK OUT VARIOUS PARTS OF THE COMPUTER AS OUTLINED BELOW IN THE OPTIONS.
059278,000031:
059279,000032: # THE PURPOSE OF SHOW-BANKSUM IS TO DISPLAY THE SUM OF EACH BANK, ONE AT A TIME.
059280,000033:
059281,000034: # IN ALL THERE ARE 7 POSSIBLE OPTIONS IN THIS BLOCK II VERSION OF SELF-CHECK. MORE DETAIL DESCRIPTION MAY BE
059282,000035: # FOUND IN E-2065 BLOCK II AGC SELF-CHECK AND SHOW BANKSUM BY EDWIN D. SMALLY DECEMBER 1966, AND ADDENDA 2 AND 3.
059283,000036:
059284,000037: # THE DIFFERENT OPTIONS ARE CONTROLLED BY PUTTING DIFFERENT NUMBERS IN THE SMODE REGISTER (NOUN 27). BELOW IS
059285,000038: # A DESCRIPTION OF WHAT PARTS OF THE COMPUTER THAT ARE CHECKED BY THE OPTIONS, AND THE CORRESPONDING NUMBER, IN
059286,000039: # OCTAL, TO LOAD INTO SMODE.
059287,000040: # +-4 ERASABLE MEMORY
059288,000041: # +-5 FIXED MEMORY
059289,000042: # +-1,2,3,6,7,10 EVERYTHING IN OPTIONS 4 AND 5.
059290,000043: # -0 SAME AS +-10 UNTIL AN ERROR IS DETECTED.
059291,000044: # +0 NO CHECK, PUTS COMPUTER INTO THE BACKUP IDLE LOOP.
059292,000045:
059293,000046: # WARNINGS
059294,000047: # USE OF E MEMORY RESERVED FOR SELF-CHECK (EVEN IN IDLE LOOP) AS TEMP STORAGE BY OTHER PROGRAMS IS DANGEROUS.
059295,000048: # SMODE SET GREATER THAN OCT 10 PUTS COMPUTER INTO BACKUP IDLE LOOP.
059296,000049:
059297,000050: # CALLING SEQUENCE
059298,000051: # TO CALL SELF-CHECK KEY IN
059299,000052: # V 21 N 27 E OPTION NUMBER E
059300,000053: # TO CALL SHOW-BANKSUM KEY IN
059301,000054: # V 91 E DISPLAYS FIRST BANK
059302,000055: # V 33 E PROCEED, DISPLAYS NEXT BANK
059303,000056:
059304,000057: # EXIT MODES, NORMAL AND ALARM
059305,000058: # SELF-CHECK NORMALLY CONTINUES INDEFINITELY UNLESS THERE IS AN ERROR DETECTED. IF SO + OPTION NUMBERS PUT
059306,000059: # COMPUTER INTO BACKUP IDLE LOOP, - OPTION NUMBERS RESTART THE OPTION.
059307,000060:
059308,000061: # THE -0 OPTION PROCEEDS FROM THE LINE FOLLOWING THE LINE WHERE THE ERROR WAS DETECTED.
059309,000062:
059310,000063: # SHOW-BANKSUM PROCEEDS UNTIL A TERMINATE IS KEYED IN (V 34 E). THE COMPUTER IS PUT INTO THE BACKUP IDLE LOOP
059311,000064:
059312,000065: # OUTPUT
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Page 1395
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059314,000067: # SELF-CHECK UPON DETECTING AN ERROR LOADS THE SELF-CHECK ALARM CONSTANT (01102) INTO THE FAILREG SET AND
059315,000068: # TURNS ON THE ALARM LIGHT. THE OPERATOR MAY THEN DISPLAY THE THREE FAILREGS BY KEYING IN V 05 N 09 E. FOR FURTHER
059316,000069: # 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,
059317,000070: # IN R2 THE BBCON OF SELF-CHECK, AND IN R3 THE TOTAL NUMBER OF ERRORS DETECTED BY SELF-CHECK SINCE THE LAST MAN
059318,000071: # INITIATED FRESH START (SLAP1).
059319,000072:
059320,000073: # SHOW-BANKSUM STARTING WITH BANK 0 DISPLAYS IN R1 THE BANK SUM (A +-NUMBER EQUAL TO THE BANK NUMBER), IN R2
059321,000074: # THE BANK NUMBER, AND IN R3 THE BUGGER WORD.
059322,000075:
059323,000076: # ERASABLE INITIALIZATION REQUIRED
059324,000077: # ACCOMPLISHED BY FRESH START
059325,000078: # SMODE SET TO +0
059326,000079:
059327,000080: # DEBRIS
059328,000081: # ALL EXITS FROM THE CHECK OF ERASABLE (ERASCHK) RESTORE ORIGINAL CONTENTS TO REGISTERS UNDER CHECK.
059329,000082: # EXCEPTION IS A RESTART. RESTART THAT OCCURS DURING ERASCHK RESTORES ERASABLE, UNLESS THERE IS EVIDENCE TO DOUBT
059330,000083: # E MEMORY, IN WHICH CASE PROGRAM THEN DOES A FRESH START (DOFSTART).
059331,000084:
059332,000085: 25,3774 BANK 25
059333,000086: 43,2000 SETLOC SELFCHEC
059334,000087: 43,2000 BANK
059335,000088:
059336,000089: 43,3234 COUNT 43/SELF
059337,000090:
059338,000091: 43,3234 5017 SBIT1 EQUALS BIT1
059339,000092: 43,3234 5016 SBIT2 EQUALS BIT2
059340,000093: 43,3234 5015 SBIT3 EQUALS BIT3
059341,000094: 43,3234 5014 SBIT4 EQUALS BIT4
059342,000095: 43,3234 5013 SBIT5 EQUALS BIT5
059343,000096: 43,3234 5012 SBIT6 EQUALS BIT6
059344,000097: 43,3234 5011 SBIT7 EQUALS BIT7
059345,000098: 43,3234 5010 SBIT8 EQUALS BIT8
059346,000099: 43,3234 5007 SBIT9 EQUALS BIT9
059347,000100: 43,3234 5006 SBIT10 EQUALS BIT10
059348,000101: 43,3234 5005 SBIT11 EQUALS BIT11
059349,000102: 43,3234 5004 SBIT12 EQUALS BIT12
059350,000103: 43,3234 5003 SBIT13 EQUALS BIT13
059351,000104: 43,3234 5002 SBIT14 EQUALS BIT14
059352,000105: 43,3234 5001 SBIT15 EQUALS BIT15
059353,000106:
059354,000107: 43,3234 5021 S+ZERO EQUALS ZERO
059355,000108: 43,3234 5017 S+1 EQUALS BIT1
059356,000109: 43,3234 5016 S+2 EQUALS BIT2
059357,000110: 43,3234 6214 S+3 EQUALS THREE
059358,000111: 43,3234 5015 S+4 EQUALS FOUR
059359,000112: 43,3234 5022 S+5 EQUALS FIVE
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Page 1396
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059361,000114: 43,3234 6211 S+6 EQUALS SIX
059362,000115: 43,3234 5023 S+7 EQUALS SEVEN
059363,000116: 43,3234 4373 S8BITS EQUALS LOW8 # 00377
059364,000117: 43,3234 5033 CNTRCON = OCT50 # USED IN CNTRCHK
059365,000118: 43,3234 00061 ERASCON1 OCTAL 00061 # USED IN ERASCHK
059366,000119: 43,3235 01373 ERASCON2 OCTAL 01373 # USED IN ERASCHK
059367,000120: 43,3236 5051 ERASCON6 = OCT1400 # USED IN ERASCHK
059368,000121: 43,3236 01461 ERASCON3 OCTAL 01461 # USED IN ERASCHK
059369,000122: 43,3237 01773 ERASCON4 OCTAL 01773 # USED IN ERASCHK
059370,000123: 43,3240 5054 S10BITS EQUALS LOW10 # 01777, USED IN ERASCHK
059371,000124: 43,3240 5062 SBNK03 EQUALS PRIO6 # 06000, USED IN ROPECHK
059372,000125: 43,3240 4364 -MAXADRS = HI5 # FOR ROPECHK
059373,000126: 43,3240 00060 SIXTY OCTAL 00060
059374,000127: 43,3241 60017 SUPRCON OCTAL 60017 # USED IN ROPECHK
059375,000128: 43,3242 17777 S13BITS OCTAL 17777
059376,000129: 43,3243 25252 CONC+S1 OCTAL 25252 # USED IN CYCLSHFT
059377,000130: 43,3244 52400 CONC+S2 OCTAL 52400 # USED IN CYCLSHFT
059378,000131: 43,3245 76777 ERASCON5 OCTAL 76777
059379,000132: 43,3246 5731 S-7 = OCT77770
059380,000133: 43,3246 6061 S-4 EQUALS NEG4
059381,000134: 43,3246 7714 S-3 EQUALS NEG3
059382,000135: 43,3246 7715 S-2 EQUALS NEG2
059383,000136: 43,3246 7716 S-1 EQUALS NEGONE
059384,000137: 43,3246 5020 S-ZERO EQUALS NEG0
059385,000138:
059386,000139: 43,3246 E3,1400 EBANK= LST1
059387,000140: 43,3246 01371 ADRS1 ADRES SKEEP1
059388,000141: 43,3247 03340 SELFADRS ADRES SELFCHK # SELFCHK RETURN ADDRESS. SHOULD BE PUT
059389,000142: # IN SELFRET WHEN GOING FROM SELFCHK TO
059390,000143: # SHOWSUM AND PUT IN SKEEP1 WHEN GOING
059391,000144: # FROM SHOWSUM TO SELF-CHECK.
059392,000145:
059393,000146: 43,3250 31360 PRERRORS CA ERESTORE # IS IT NECESSARY TO RESTORE ERASABLE
059394,000147: 43,3251 00006 EXTEND
059395,000148: 43,3252 13261 BZF ERRORS # NO
059396,000149: 43,3253 00006 EXTEND
059397,000150: 43,3254 31376 DCA SKEEP5
059398,000151: 43,3255 51377 INDEX SKEEP7
059399,000152: 43,3256 52001 DXCH 0000 # RESTORE THE TWO ERASABLE REGISTERS
059400,000153: 43,3257 35021 CA S+ZERO
059401,000154: 43,3260 55360 TS ERESTORE
059402,000155: 43,3261 00004 ERRORS INHINT
059403,000156: 43,3262 30002 CA Q
059404,000157: 43,3263 55357 TS SFAIL # SAVE Q FOR FAILURE LOCATION
059405,000158: 43,3264 55363 TS ALMCADR # FOR DISPLAY WITH BBANK AND ERCOUNT
059406,000159: 43,3265 25365 INCR ERCOUNT # KEEP TRACK OF NUMBER OF MALFUNCTIONS.
059407,000160: 43,3266 05652 TCALARM2 TC ALARM2
059408,000161: 43,3267 01102 OCT 01102 # SELF-CHECK MALFUNCTION INDICATOR
059409,000162: 43,3270 11362 CCS SMODE
059410,000163: 43,3271 35021 SIDLOOP CA S+ZERO
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Page 1397
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059412,000165: 43,3272 55362 TS SMODE
059413,000166: 43,3273 03340 TC SELFCHK # GO TO IDLE LOOP
059414,000167: 43,3274 01357 TC SFAIL # CONTINUE WITH SELF-CHECK
059415,000168:
059416,000169: 43,3275 10000 -1CHK CCS A
059417,000170: 43,3276 13250 TCF PRERRORS
059418,000171: 43,3277 13250 TCF PRERRORS
059419,000172: 43,3300 10000 CCS A
059420,000173: 43,3301 13250 TCF PRERRORS
059421,000174: 43,3302 00002 TC Q
059422,000175:
059423,000176: 43,3303 00006 SMODECHK EXTEND
059424,000177: 43,3304 23371 QXCH SKEEP1
059425,000178: 43,3305 03334 TC CHECKNJ # CHECK FOR NEW JOB
059426,000179: 43,3306 11362 CCS SMODE
059427,000180: 43,3307 03314 TC SOPTIONS
059428,000181: 43,3310 03305 TC SMODECHK +2 # TO BACKUP IDLE LOOP
059429,000182: 43,3311 03314 TC SOPTIONS
059430,000183: 43,3312 25366 INCR SCOUNT
059431,000184: 43,3313 01371 TC SKEEP1 # CONTINUE WITH SELF-CHECK
059432,000185:
059433,000186: 43,3314 65731 SOPTIONS AD S-7
059434,000187: 43,3315 00006 EXTEND
059435,000188: 43,3316 63320 BZMF +2 # FOR OPTIONS BELOW NINE.
059436,000189: 43,3317 03271 BNKOPTN TC SIDLOOP # ILLEGAL OPTION. GO TO IDLE LOOP.
059437,000190: 43,3320 25366 INCR SCOUNT # FOR OPTIONS BELOW NINE.
059438,000191: 43,3321 65023 AD S+7
059439,000192:
059440,000193: 43,3322 50000 INDEX A
059441,000194: 43,3323 03324 TC SOPTION1
059442,000195: 43,3324 01371 SOPTION1 TC SKEEP1 # WAS TC+TCF
059443,000196: 43,3325 01371 SOPTION2 TC SKEEP1 # WAS IN:OUT1
059444,000197: 43,3326 01371 SOPTION3 TC SKEEP1 # WAS COUNTCHK
059445,000198: 43,3327 03341 SOPTION4 TC ERASCHK
059446,000199: 43,3330 03522 SOPTION5 TC ROPECHK
059447,000200: 43,3331 01371 SOPTION6 TC SKEEP1
059448,000201: 43,3332 01371 SOPTION7 TC SKEEP1
059449,000202: 43,3333 01371 SOPTON10 TC SKEEP1 # CONTINUE WITH SELF-CHECK
059450,000203:
059451,000204: 43,3334 00006 CHECKNJ EXTEND
059452,000205: 43,3335 23361 QXCH SELFRET # SAVE RETURN ADDRESS WHILE TESTING NEWJOB
059453,000206: 43,3336 04701 TC POSTJUMP # TO SEE IF ANY JOBS HAVE BECOME ACTIVE.
059454,000207: 43,3337 03231 CADR ADVAN
059455,000208:
059456,000209: 43,3340 03303 SELFCHK TC SMODECHK # ** CHARLEY, COME IN HERE
059457,000210:
059458,000211: # SKEEP7 HOLDS LOWEST OF TWO ADDRESSES BEING CHECKED.
059459,000212: # SKEEP6 HOLDS B(X+1).
059460,000213: # SKEEP5 HOLDS B(X).
059461,000214: # SKEEP4 HOLDS C(EBANK) DURING ERASLOOP AND CHECKNJ.
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Page 1398
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059463,000216: # SKEEP3 HOLDS LAST ADDRESS BEING CHECKED (HIGHEST ADDRESS).
059464,000217: # SKEEP2 CONTROLS CHECKING OF NON-SWITCHABLE ERASABLE MEMORY WITH BANK NUMBERS IN EB.
059465,000218:
059466,000219: # ERASCHK TAKES APPROXMATELY 7 SECONDS
059467,000220:
059468,000221: 43,3341 35017 ERASCHK CA S+1
059469,000222: 43,3342 55372 TS SKEEP2
059470,000223: 43,3343 35021 0EBANK CA S+ZERO
059471,000224: 43,3344 54003 TS EBANK
059472,000225: 43,3345 33236 CA ERASCON3 # 01461
059473,000226: 43,3346 55377 TS SKEEP7 # STARTING ADDRESS
059474,000227: 43,3347 35054 CA S10BITS # 01777
059475,000228: 43,3350 55373 TS SKEEP3 # LAST ADDRESS CHECKED
059476,000229: 43,3351 03371 TC ERASLOOP
059477,000230:
059478,000231: 43,3352 35051 E134567B CA ERASCON6 # 01400
059479,000232: 43,3353 55377 TS SKEEP7 # STARTING ADDRESS
059480,000233: 43,3354 35054 CA S10BITS # 01777
059481,000234: 43,3355 55373 TS SKEEP3 # LAST ADDRESS CHECKED
059482,000235: 43,3356 03371 TC ERASLOOP
059483,000236:
059484,000237: 43,3357 35051 2EBANK CA ERASCON6 # 01400
059485,000238: 43,3360 55377 TS SKEEP7 # STARTING ADDRESS
059486,000239: 43,3361 33237 CA ERASCON4 # 01773
059487,000240: 43,3362 55373 TS SKEEP3 # LAST ADDRESS CHECKED
059488,000241: 43,3363 03371 TC ERASLOOP
059489,000242:
059490,000243: 43,3364 55372 NOEBANK TS SKEEP2 # +0
059491,000244: 43,3365 33234 CA ERASCON1 # 00061
059492,000245: 43,3366 55377 TS SKEEP7 # STARTING ADDRESS
059493,000246: 43,3367 33235 CA ERASCON2 # 01373
059494,000247: 43,3370 55373 TS SKEEP3 # LAST ADDRESS CHECKED
059495,000248:
059496,000249: 43,3371 00004 ERASLOOP INHINT
059497,000250: 43,3372 30003 CA EBANK # STORES C(EBANK)
059498,000251: 43,3373 55374 TS SKEEP4
059499,000252: 43,3374 00006 EXTEND
059500,000253: 43,3375 51377 NDX SKEEP7
059501,000254: 43,3376 30001 DCA 0000
059502,000255: 43,3377 53376 DXCH SKEEP5 # STORES C(X) AND C(X+1) IN SKEEP6 AND 5.
059503,000256: 43,3400 31377 CA SKEEP7
059504,000257: 43,3401 55360 TS ERESTORE # IF RESTART, RESTORE C(X) AND C(X+1)
059505,000258: 43,3402 54001 TS L
059506,000259: 43,3403 24001 INCR L
059507,000260: 43,3404 50000 NDX A
059508,000261: 43,3405 52001 DXCH 0000 # PUTS OWN ADDRESS IN X AND X +1
059509,000262: 43,3406 51377 NDX SKEEP7
059510,000263: 43,3407 40001 CS 0001 # CS X+1
059511,000264: 43,3410 51377 NDX SKEEP7
059512,000265: 43,3411 60000 AD 0000 # AD X
059513,000266: 43,3412 03275 TC -1CHK
059514,000267: 43,3413 31360 CA ERESTORE # HAS ERASABLE BEEN RESTORED
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Page 1399
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059516,000269: 43,3414 00006 EXTEND
059517,000270: 43,3415 13441 BZF ELOOPFIN # YES, EXIT ERASLOOP.
059518,000271: 43,3416 00006 EXTEND
059519,000272: 43,3417 51377 NDX SKEEP7
059520,000273: 43,3420 40001 DCS 0000 # COMPLEMENT OF ADDRESS OF X AND X+1
059521,000274: 43,3421 51377 NDX SKEEP7
059522,000275: 43,3422 52001 DXCH 0000 # PUT COMPLEMENT OF ADDRESS OF X AND X+1
059523,000276: 43,3423 51377 NDX SKEEP7
059524,000277: 43,3424 40000 CS 0000 # CS X
059525,000278: 43,3425 51377 NDX SKEEP7
059526,000279: 43,3426 60001 AD 0001 # AD X+1
059527,000280: 43,3427 03275 TC -1CHK
059528,000281: 43,3430 31360 CA ERESTORE # HAS ERASABLE BEEN RESTORED
059529,000282: 43,3431 00006 EXTEND
059530,000283: 43,3432 13441 BZF ELOOPFIN # YES, EXIT ERASLOOP.
059531,000284: 43,3433 00006 EXTEND
059532,000285: 43,3434 31376 DCA SKEEP5
059533,000286: 43,3435 51377 NDX SKEEP7
059534,000287: 43,3436 52001 DXCH 0000 # PUT B(X) AND B(X+1) BACK INTO X AND X+1
059535,000288: 43,3437 35021 CA S+ZERO
059536,000289: 43,3440 55360 TS ERESTORE # IF RESTART, DO NOT RESTORE C(X), C(X+1)
059537,000290: 43,3441 00003 ELOOPFIN RELINT
059538,000291: 43,3442 03334 TC CHECKNJ # CHECK FOR NEW JOB
059539,000292: 43,3443 31374 CA SKEEP4 # REPLACES B(EBANK)
059540,000293: 43,3444 54003 TS EBANK
059541,000294: 43,3445 25377 INCR SKEEP7
059542,000295: 43,3446 41377 CS SKEEP7
059543,000296: 43,3447 61373 AD SKEEP3
059544,000297: 43,3450 00006 EXTEND
059545,000298: 43,3451 13453 BZF +2
059546,000299: 43,3452 03371 TC ERASLOOP # GO TO NEXT ADDRESS IN SAME BANK
059547,000300: 43,3453 11372 CCS SKEEP2
059548,000301: 43,3454 03364 TC NOEBANK
059549,000302: 43,3455 25372 INCR SKEEP2 # PUT +1 IN SKEEP2.
059550,000303: 43,3456 30003 CA EBANK
059551,000304: 43,3457 65007 AD SBIT9
059552,000305: 43,3460 54003 TS EBANK
059553,000306: 43,3461 63245 AD ERASCON5 # 76777, CHECK FOR BANK E2
059554,000307: 43,3462 00006 EXTEND
059555,000308: 43,3463 13357 BZF 2EBANK
059556,000309: 43,3464 10003 CCS EBANK
059557,000310: 43,3465 03352 TC E134567B # GO TO EBANKS 1,3,4,5,6, AND 7
059558,000311: 43,3466 35051 CA ERASCON6 # END OF ERASCHK
059559,000312: 43,3467 54003 TS EBANK
059560,000313:
059561,000314: # CNTRCHK PERFORMS A CS OF ALL REGISTERS FROM OCT. 60 THROUGH OCT. 10.
059562,000315: # INCLUDED ARE ALL COUNTERS, T6-1, CYCLE AND SHIFT, AND ALL RUPT REGISTERS
059563,000316:
059564,000317: 43,3470 35033 CNTRCHK CA CNTRCON # 00050
059565,000318: 43,3471 55372 CNTRLOOP TS SKEEP2
059566,000319: 43,3472 65014 AD SBIT4 # +10 OCTAL
059567,000320: 43,3473 50000 INDEX A
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Page 1400
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059569,000322: 43,3474 40000 CS 0000
059570,000323: 43,3475 11372 CCS SKEEP2
059571,000324: 43,3476 03471 TC CNTRLOOP
059572,000325:
059573,000326: # CYCLSHFT CHECKS THE CYCLE AND SHIFT REGISTERS
059574,000327:
059575,000328: 43,3477 33243 CYCLSHFT CA CONC+S1 # 25252
059576,000329: 43,3500 54020 TS CYR # C(CYR) = 12525
059577,000330: 43,3501 54022 TS CYL # C(CYL) = 52524
059578,000331: 43,3502 54021 TS SR # C(SR) = 12525
059579,000332: 43,3503 54023 TS EDOP # C(EDOP) = 00125
059580,000333: 43,3504 60020 AD CYR # 37777 C(CYR) = 45252
059581,000334: 43,3505 60022 AD CYL # 00-12524 C(CYL) = 25251
059582,000335: 43,3506 60021 AD SR # 00-25251 C(SR) = 05252
059583,000336: 43,3507 60023 AD EDOP # 00-25376 C(EDOP) = +0
059584,000337: 43,3510 63244 AD CONC+S2 # C(CONC+S2) = 52400
059585,000338: 43,3511 03275 TC -1CHK
059586,000339: 43,3512 60020 AD CYR # 45252
059587,000340: 43,3513 60022 AD CYL # 72523
059588,000341: 43,3514 60021 AD SR # 77775
059589,000342: 43,3515 60023 AD EDOP # 77775
059590,000343: 43,3516 65017 AD S+1 # 77776
059591,000344: 43,3517 03275 TC -1CHK
059592,000345:
059593,000346: 43,3520 25367 INCR SCOUNT +1
059594,000347: 43,3521 03303 TC SMODECHK
059595,000348:
059596,000349: # SKEEP1 HOLDS SUM
059597,000350: # SKEEP2 HOLDS PRESENT CONTENTS OF ADDRESS IN ROPECHK AND SHOWSUM ROUTINES
059598,000351: # SKEEP2 HOLDS BANK NUMBER IN LOW ORDER BITS DURING SHOWSUM DISPLAY
059599,000352: # SKEEP3 HOLDS PRESENT ADDRESS (00000 TO 01777 IN COMMON FIXED BANKS)
059600,000353: # (04000 TO 07777 IN FXFX BANKS)
059601,000354: # SKEEP3 HOLDS BUGGER WORD DURING SHOWSUM DISPLAY
059602,000355: # SKEEP4 HOLDS BANK NUMBER AND SUPER BANK NUMBER
059603,000356: # SKEEP5 COUNTS 2 SUCCESSIVE TC SELF WORDS
059604,000357: # SKEEP6 CONTROLS ROPECHK OR SHOWSUM OPTION
059605,000358: # SKEEP7 CONTROLS WHEN ROUNTINE IS IN COMMON FIXED OR FIXED FIXED BANKS
059606,000359:
059607,000360: 43,3522 35020 ROPECHK CA S-ZERO # *
059608,000361: 43,3523 55376 TS SKEEP6 # * -0 FOR ROPECHK.
059609,000362: 43,3524 35021 STSHOSUM CA S+ZERO # * SHOULD BE ROPECHK
059610,000363:
059611,000364: 43,3525 55374 TS SKEEP4 # BANK NUMBER
059612,000365: 43,3526 35017 CA S+1
059613,000366: 43,3527 55377 COMMFX TS SKEEP7
059614,000367: 43,3530 35021 CA S+ZERO
059615,000368: 43,3531 55371 TS SKEEP1
059616,000369: 43,3532 55373 TS SKEEP3
059617,000370: 43,3533 35017 CA S+1
059618,000371: 43,3534 55375 TS SKEEP5 # COUNTS DOWN 2 TC SELF WORDS
059619,000372: 43,3535 31374 COMADRS CA SKEEP4
059620,000373: 43,3536 54001 TS L # TO SET SUPER BANK
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Page 1401
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059622,000375: 43,3537 74364 MASK HI5
059623,000376: 43,3540 61373 AD SKEEP3
059624,000377: 43,3541 04715 TC SUPDACAL # SUPER DATA CALL
059625,000378: 43,3542 03565 TC ADSUM
059626,000379: 43,3543 65005 AD SBIT11 # 02000
059627,000380: 43,3544 03576 TC ADRSCHK
059628,000381:
059629,000382: 43,3545 40000 FXFX CS A
059630,000383: 43,3546 55377 TS SKEEP7
059631,000384: 43,3547 00006 EXTEND
059632,000385: 43,3550 13553 BZF +3
059633,000386: 43,3551 35004 CA SBIT12 # 04000, STARTING ADDRESS OF BANK 02
059634,000387: 43,3552 03554 TC +2
059635,000388: 43,3553 35062 CA SBNK03 # 06000, STARTING ADDRESS OF BANK 03
059636,000389: 43,3554 55373 TS SKEEP3
059637,000390: 43,3555 35021 CA S+ZERO
059638,000391: 43,3556 55371 TS SKEEP1
059639,000392: 43,3557 35017 CA S+1
059640,000393: 43,3560 55375 TS SKEEP5 # COUNTS DOWN 2 TC SELF WORDS
059641,000394: 43,3561 51373 FXADRS INDEX SKEEP3
059642,000395: 43,3562 30000 CA 0000
059643,000396: 43,3563 03565 TC ADSUM
059644,000397: 43,3564 03576 TC ADRSCHK
059645,000398:
059646,000399: 43,3565 55372 ADSUM TS SKEEP2
059647,000400: 43,3566 61371 AD SKEEP1
059648,000401: 43,3567 55371 TS SKEEP1
059649,000402: 43,3570 35021 CAF S+ZERO
059650,000403: 43,3571 61371 AD SKEEP1
059651,000404: 43,3572 55371 TS SKEEP1
059652,000405: 43,3573 41372 CS SKEEP2
059653,000406: 43,3574 61373 AD SKEEP3
059654,000407: 43,3575 00002 TC Q
059655,000408:
059656,000409: 43,3576 22000 ADRSCHK LXCH A
059657,000410: 43,3577 31373 CA SKEEP3
059658,000411: 43,3600 75054 MASK LOW10 # RELATIVE ADDRESS
059659,000412: 43,3601 64364 AD -MAXADRS # SUBTRACT MAX RELATIVE ADDRESS = 1777.
059660,000413: 43,3602 00006 EXTEND
059661,000414: 43,3603 13672 BZF SOPTION # CHECKSUM FINISHED IF LAST ADDRESS.
059662,000415: 43,3604 11375 CCS SKEEP5 # IS CHECKSUM FINISHED
059663,000416: 43,3605 03610 TC +3 # NO
059664,000417: 43,3606 03610 TC +2 # NO
059665,000418: 43,3607 03672 TC SOPTION # GO TO ROPECHK SHOWSUM OPTION
059666,000419: 43,3610 10001 CCS L # -0 MEANS A TC SELF WORD.
059667,000420: 43,3611 03620 TC CONTINU
059668,000421: 43,3612 03620 TC CONTINU
059669,000422: 43,3613 03620 TC CONTINU
059670,000423: 43,3614 11375 CCS SKEEP5
059671,000424: 43,3615 03621 TC CONTINU +1
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Page 1402
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059673,000426: 43,3616 37716 CA S-1
059674,000427: 43,3617 03621 TC CONTINU +1 # AD IN THE BUGGER WORD
059675,000428: 43,3620 35017 CONTINU CA S+1 # MAKE SURE TWO CONSECUTIVE TC SELF WORDS
059676,000429: 43,3621 55375 TS SKEEP5
059677,000430: 43,3622 11376 CCS SKEEP6 # *
059678,000431: 43,3623 10067 CCS NEWJOB # * +1, SHOWSUM
059679,000432: 43,3624 05164 TC CHANG1 # *
059680,000433: 43,3625 03627 TC +2 # *
059681,000434: 43,3626 03334 TC CHECKNJ # -0 IN SKEEP6 FOR ROPECHK
059682,000435:
059683,000436: 43,3627 25373 ADRS+1 INCR SKEEP3
059684,000437: 43,3630 11377 CCS SKEEP7
059685,000438: 43,3631 03535 TC COMADRS
059686,000439: 43,3632 03535 TC COMADRS
059687,000440: 43,3633 03561 TC FXADRS
059688,000441: 43,3634 03561 TC FXADRS
059689,000442:
059690,000443: 43,3635 41374 NXTBNK CS SKEEP4
059691,000444: 43,3636 63725 AD LSTBNKCH # LAST BANK TO BE CHECKED
059692,000445: 43,3637 00006 EXTEND
059693,000446: 43,3640 13011 BZF ENDSUMS # END OF SUMMING OF BANKS.
059694,000447: 43,3641 31374 CA SKEEP4
059695,000448: 43,3642 65005 AD SBIT11
059696,000449: 43,3643 55374 TS SKEEP4 # 37 TO 40 INCRMTS SKEEP4 BY END RND CARRY
059697,000450: 43,3644 03650 TC CHKSUPR
059698,000451: 43,3645 35001 17TO20 CA SBIT15
059699,000452: 43,3646 27374 ADS SKEEP4 # SET FOR BANK 20
059700,000453: 43,3647 03664 TC GONXTBNK
059701,000454: 43,3650 74364 CHKSUPR MASK HI5
059702,000455: 43,3651 00006 EXTEND
059703,000456: 43,3652 13662 BZF NXTSUPR # INCREMENT SUPER BANK
059704,000457: 43,3653 63242 27TO30 AD S13BITS
059705,000458: 43,3654 00006 EXTEND
059706,000459: 43,3655 13657 BZF +2 # BANK SET FOR 30
059707,000460: 43,3656 03664 TC GONXTBNK
059708,000461: 43,3657 33240 CA SIXTY # FIRST SUPER BANK
059709,000462: 43,3660 27374 ADS SKEEP4
059710,000463: 43,3661 03664 TC GONXTBNK
059711,000464: 43,3662 63241 NXTSUPR AD SUPRCON # SET BNK 30 + INCR SUPR BNK AND CANCEL
059712,000465: 43,3663 27374 ADS SKEEP4 # ERC BIT OF THE 37 TO 40 ADVANCE.
059713,000466: 43,3664 11377 GONXTBNK CCS SKEEP7
059714,000467: 43,3665 03527 TC COMMFX
059715,000468: 43,3666 35017 CA S+1
059716,000469: 43,3667 03545 TC FXFX
059717,000470: 43,3670 35011 CA SBIT7 # HAS TO BE LARGER THAN NO OF FXSW BANKS.
059718,000471: 43,3671 03527 TC COMMFX
059719,000472:
059720,000473: 43,3672 31374 SOPTION CA SKEEP4
059721,000474: 43,3673 74364 MASK HI5 # = BANK BITS
059722,000475: 43,3674 04345 TC LEFT5
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Page 1403
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059724,000477: 43,3675 54001 TS L # BANK NUMBER BEFORE SUPER BANK
059725,000478: 43,3676 31374 CA SKEEP4
059726,000479: 43,3677 74373 MASK S8BITS # = SUPER BANK BITS
059727,000480: 43,3700 00006 EXTEND
059728,000481: 43,3701 13707 BZF SOPT # BEFORE SUPER BANK
059729,000482: 43,3702 54021 TS SR # SUPER BANK NECESSARY
059730,000483: 43,3703 30001 CA L
059731,000484: 43,3704 75023 MASK SEVEN
059732,000485: 43,3705 60021 AD SR
059733,000486: 43,3706 54001 TS L # BANK NUMBER WITH SUPER BANK
059734,000487: 43,3707 31376 SOPT CA SKEEP6 # *
059735,000488: 43,3710 00006 EXTEND # *
059736,000489: 43,3711 13713 BZF +2 # * ON -0 CONTINUE WITH ROPE CHECK.
059737,000490: 43,3712 02773 TC SDISPLAY # * ON +1 GO TO DISPLAY OF SUM.
059738,000491: 43,3713 11371 CCS SKEEP1 # FORCE SUM TO ABSOLUTE VALUE.
059739,000492: 43,3714 03716 TC +2
059740,000493: 43,3715 03717 TC +2
059741,000494: 43,3716 65017 AD S+1
059742,000495: 43,3717 55371 TS SKEEP1
059743,000496: 43,3720 40001 BNKCHK CS L # = - BANK NUMBER
059744,000497: 43,3721 61371 AD SKEEP1
059745,000498: 43,3722 67716 AD S-1
059746,000499: 43,3723 03275 TC -1CHK # CHECK SUM
059747,000500: 43,3724 03635 TC NXTBNK
059748,000501:
059749,000502: 43,3725 0067 EBANK= NEWJOB
059750,000503: 43,3725 66100 LSTBNKCH BBCON* # * CONSTANT, LAST BANK.
059751,000504: 43,3726 30,2000 SBANK= LOWSUPER
059752,000505:
059753,000506:
End of include-file AGC_BLOCK_TWO_SELF-CHECK.agc. Parent file is MAIN.agc