Source Code
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These source-code files were obtained by digitally photographing
an Artemis 72 (Apollo 15-17 Command Module) program listing from a private
collection and then
modifying pre-existing Comanche 55 (Apollo 11) source files to
incorporate changes. Photography was by Ron Burkey, and transcription
was performed by a team of volunteers. Note that the page images
presented online are of reduced quality, and that additional images
may be available. Report any conversion errors or legibility
problems in page images to info@sandroid.org.
Notations on the program listing read, in part:GAP: ASSEMBLE REVISION 072 OF AGC PROGRAM ARTEMIS BY NASA 2021114-011 11:40 FEB. 26, 1971Note that the date is the date of the printout, not the date of the program revision. |
063509,000002: ## Copyright: Public domain.
063510,000003: ## Filename: SERVICE_ROUTINES.agc
063511,000004: ## Purpose: Part of the source code for Artemis (i.e., Colossus 3),
063512,000005: ## build 072. This is for the Command Module's (CM)
063513,000006: ## Apollo Guidance Computer (AGC), for
063514,000007: ## Apollo 15-17.
063515,000008: ## Assembler: yaYUL
063516,000009: ## Contact: Jim Lawton <jim DOT lawton AT gmail DOT com>
063517,000010: ## Website: www.ibiblio.org/apollo/index.html
063518,000011: ## Page Scans: www.ibiblio.org/apollo/ScansForConversion/Artemis072/
063519,000012: ## Mod history: 2009-08-18 JL Adapted from corresponding Comanche 055 file.
063520,000013: ## 2010-02-01 JL Fixed build error: missing code at end.
063521,000014: ## 2010-02-07 JL Removed spurious NDX instruction on p1478.
063522,000015: ## 2010-02-20 RSB Un-##'d this header.
063523,000016: ## 2017-02-08 RSB Proofed comment text by diff'ing vs Comanche 55
063524,000017: ## and/or octopus/ProoferComments as most-appropriate.
063525,000018:
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Page 1478 |
063527,000020:
063528,000021: 10,2000 SETLOC DISPLAYS
063529,000022: 10,2000 BANK
063530,000023: 10,3755 COUNT* $$/DSPLA
063531,000024: 10,3755 54001 UPENT2 TS L
063532,000025: 10,3756 40100 CS FLAGWRD4
063533,000026: 10,3757 70001 MASK L
063534,000027: 10,3760 26100 ADS FLAGWRD4
063535,000028: 10,3761 00002 TC Q # RETURN
063536,000029:
063537,000030: 10,3762 40000 DOWNENT2 COM # START TO PROCESS INFORMATION
063538,000031: 10,3763 70100 MASK FLAGWRD4
063539,000032: 10,3764 54100 TS FLAGWRD4
063540,000033: 10,3765 00002 TC Q # RETURN
063541,000034:
063542,000035: 10,3766 4774 OCT7 EQUALS SEVEN
063543,000036:
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Page 1479 |
063545,000038:
063546,000039: # UPFLAG AND DOWNFLAG ARE ENTIRELY GENERAL FLAG SETTING AND CLEARING SUBROUTINES. USING THEM, WHETHER OR
063547,000040: # NOT IN INTERRUPT, ONE MAY SET OR CLEAR ANY SINGLE, NAMED BIT IN ANY ERASABLE REGISTER, SUBJECT OF COURSE TO
063548,000041: # EBANK SETTING. A "NAMED" BIT, AS THE WORD IS USED HERE, IS ANY BIT WITH A NAME FORMALLY ASSIGNED BY THE YUL
063549,000042: # ASSEMBLER.
063550,000043:
063551,000044: # AT PRESENT THE ONLY NAMED BITS ARE THOSE IN THE FLAGWORDS. ASSEMBLER CHANGES WILL MAKE IT POSSIBLE TO
063552,000045: # NAME ANY BIT IN ERASABLE MEMORY.
063553,000046:
063554,000047: # CALLING SEQUENCES ARE AS FOLLOWS:-
063555,000048: # TC UPFLAG TC DOWNFLAG
063556,000049: # ADRES NAME OF FLAG ADRES NAME OF FLAG
063557,000050:
063558,000051: # RETURN IS TO THE LOCATION FOLLOWING THE "ADRES" ABOUT .58 MS AFTER THE "TC".
063559,000052: # UPON RETURN A CONTAINS THE CURRENT FLAGWRD SETTING.
063560,000053:
063561,000054: 4000 SETLOC FFTAG1
063562,000055: 4000 BANK
063563,000056: 5547 COUNT* $$/FLAG
063564,000057:
063565,000058: 5547 30002 UPFLAG CA Q
063566,000059: 5550 05565 TC DEBIT
063567,000060: 5551 40000 COM # +(15 - BIT)
063568,000061: 5552 00006 EXTEND
063569,000062: 5553 04001 ROR LCHAN # SET BIT
063570,000063: 5554 50061 COMFLAG INDEX ITEMP1
063571,000064: 5555 54074 TS FLAGWRD0
063572,000065: 5556 22063 LXCH ITEMP3
063573,000066: 5557 00003 RELINT
063574,000067: 5560 00001 TC L
063575,000068:
063576,000069: 5561 30002 DOWNFLAG CA Q
063577,000070: 5562 05565 TC DEBIT
063578,000071: 5563 70001 MASK L # RESET BIT
063579,000072: 5564 15554 TCF COMFLAG
063580,000073:
063581,000074: 5565 64770 DEBIT AD ONE # GET DE BITS
063582,000075: 5566 00004 INHINT
063583,000076: 5567 54063 TS ITEMP3
063584,000077: 5570 34777 CA LOW4 # DEC15
063585,000078: 5571 54061 TS ITEMP1
063586,000079: 5572 50063 INDEX ITEMP3
063587,000080: 5573 27777 CA 0 -1 # ADRES
063588,000081: 5574 54001 TS L
063589,000082: 5575 34772 CA ZERO
063590,000083: 5576 00006 EXTEND
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Page 1480 |
063592,000085: 5577 10061 DV ITEMP1 # A = FLAGWRD, L = (15 - BIT)
063593,000086: 5600 52062 DXCH ITEMP1
063594,000087: 5601 50061 INDEX ITEMP1
063595,000088: 5602 30074 CA FLAGWRD0
063596,000089: 5603 54001 TS L # CURRENT STATE
063597,000090: 5604 50062 INDEX ITEMP2
063598,000091: 5605 44752 CS BIT15 # -(15 - BIT)
063599,000092: 5606 00002 TC Q
063600,000093:
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Page 1481 |
063602,000095:
063603,000096: # DELAYJOB - A GENERAL ROUTINE TO DELAY A JOB A SPECIFIC AMOUNT OF TIME BEFORE PICKING UP AGAIN.
063604,000097:
063605,000098: # ENTRANCE REQUIREMENTS ...
063606,000099: # CAF DT DELAY JOB FOR DT CENTISECS
063607,000100: # TC BANKCALL
063608,000101: # CADR DELAYJOB
063609,000102:
063610,000103: 00,2000 SETLOC DLAYJOB
063611,000104: 00,2000 BANK
063612,000105:
063613,000106: # THIS MUST REMAIN IN BANK 0 *****************************************
063614,000107: 00,3730 COUNT* $$/DELAY
063615,000108: 00,3730 35016 1SECDELY CAF 1SEC
063616,000109: 00,3731 00004 DELAYJOB INHINT
063617,000110: 00,3732 54002 TS Q # STORE DELAY DT IN Q FOR DLY -1 IN
063618,000111:
063619,000112: 00,3733 36214 CAF DELAYNUM # WAITLIST
063620,000113: 00,3734 54070 DELLOOP TS RUPTREG1
063621,000114: 00,3735 50000 INDEX A
063622,000115: 00,3736 31000 CA DELAYLOC # IS THIS DELAYLOC AVAILABLE
063623,000116: 00,3737 00006 EXTEND
063624,000117: 00,3740 13745 BZF OK2DELAY # YES
063625,000118:
063626,000119: 00,3741 10070 CCS RUPTREG1 # NO, TRY NEXT DELAYLOC
063627,000120: 00,3742 13734 TCF DELLOOP
063628,000121:
063629,000122: 00,3743 07706 TC BAILOUT # NO AVAILABLE LOCS AVAILABLE.
063630,000123: 00,3744 31104 OCT 31104
063631,000124:
063632,000125: 00,3745 33765 OK2DELAY CA TCSLEEP # SET WAITLIST IMMEDIATE RETURN
063633,000126: 00,3746 54061 TS WAITEXIT
063634,000127:
063635,000128: 00,3747 30004 CA FBANK
063636,000129: 00,3750 60070 AD RUPTREG1 # STORE BBANK FOR TASK CALL
063637,000130: 00,3751 54001 TS L
063638,000131:
063639,000132: 00,3752 33766 CAF WAKECAD # STORE CADR FOR TASK CALL
063640,000133: 00,3753 15243 TCF DLY2 -1 # DLY IS IN WAITLIST ROUTINE
063641,000134:
063642,000135: 00,3754 04665 TCGETCAD TC MAKECADR # GET CALLERS FCADR
063643,000136:
063644,000137: 00,3755 50070 INDEX RUPTREG1
063645,000138: 00,3756 55000 TS DELAYLOC # SAVE DELAY CADRS
063646,000139:
063647,000140: 00,3757 05163 TC JOBSLEEP
063648,000141:
063649,000142: 00,3760 34772 WAKER CAF ZERO
063650,000143: 00,3761 50006 INDEX BBANK
063651,000144: 00,3762 57000 XCH DELAYLOC # MAKE DELAYLOC AVAILABLE
063652,000145: 00,3763 05167 TC JOBWAKE
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Page 1482 |
063654,000147: 00,3764 05314 TC TASKOVER
063655,000148:
063656,000149: 00,3765 03752 TCSLEEP GENADR TCGETCAD -2
063657,000150: 00,3766 03760 WAKECAD GENADR WAKER
063658,000151:
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Page 1483 |
063660,000153:
063661,000154: # GENTRAN, A BLOCK TRANSFER ROUTINE.
063662,000155:
063663,000156: # WRITTEN BY D. EYLES
063664,000157: # MOD 1 BY KERNAN UTILITYM REV 17 11/18/67
063665,000158:
063666,000159: # MOD 2 BY SCHULENBERG (REMOVE RELINT) SKIPPER REV 4 2/28/68
063667,000160:
063668,000161: # THIS ROUTINE IS USEFULL FOR TRANSFERING N CONSECUTIVE ERASABLE OR FIXED QUANTITIES TO SOME OTHER N
063669,000162: # CONSECUTIVE ERASABLE LOCATIONS. IF BOTH BLOCKS OF DATA ARE IN SWITCHABLE EBANKS, THEY MUST BE IN THE SAME ONE.
063670,000163:
063671,000164: # GENTRAN IS CALLABLE IN A JOB AS WELL AS A RUPT. THE CALLING SEQUENCE IS:
063672,000165:
063673,000166: # I CA N-1 # OF QUANTITIES MINUS ONE.
063674,000167: # I +1 TC GENTRAN IN FIXED-FIXED.
063675,000168: # I +2 ADRES L STARTING ADRES OF DATA TO BE MOVED.
063676,000169: # I +3 ADRES M STARTING ADRES OF DUPLICATION BLOCK.
063677,000170: # I +4 RETURNS HERE.
063678,000171:
063679,000172: # GENTRAN TAKES 25 MCT'S (300 MICROSECONDS) PER ITEM + 5 MCT'S (60 MICS) FOR ENTERING AND EXITING.
063680,000173:
063681,000174: # A, L AND ITEMP1 ARE NOT PRESERVED.
063682,000175:
063683,000176: 4000 SETLOC FFTAG4
063684,000177: 4000 BANK
063685,000178:
063686,000179: 5607 0061 EBANK= ITEMP1
063687,000180:
063688,000181: 5607 COUNT* $$/TRAN
063689,000182:
063690,000183: 5607 00004 GENTRAN INHINT
063691,000184: 5610 54061 +1 TS ITEMP1 # SAVE N-1
063692,000185: 5611 50002 INDEX Q # C(Q) = ADRES L.
063693,000186: 5612 60000 AD 0 # ADRES (L + N - 1).
063694,000187: 5613 50000 INDEX A
063695,000188: 5614 30000 CA 0 # C(ABOVE).
063696,000189: 5615 54001 TS L # SAVE DATA.
063697,000190: 5616 30061 CA ITEMP1
063698,000191: 5617 50002 INDEX Q
063699,000192: 5620 60001 AD 1 # ADRES (M + N - 1).
063700,000193: 5621 50000 INDEX A
063701,000194: 5622 22000 LXCH 0 # STUFF IT.
063702,000195: 5623 10061 CCS ITEMP1 # LOOP UNTIL N-1 = 0.
063703,000196: 5624 15610 TCF GENTRAN +1
063704,000197: 5625 16710 TCF Q+2 # RETURN TO CALLER.
063705,000198:
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Page 1484 |
063707,000200:
063708,000201: # B5OFF ZERO BIT 5 OF EXTVBACT, WHICH IS SET BY TESTXACT.
063709,000202: # MAY BE USED AS NEEDED BY ANY EXTENDED VERB WHICH HAS DONE TESTXACT
063710,000203:
063711,000204: 5626 COUNT* $$/EXTVB
063712,000205:
063713,000206: 5626 44764 B5OFF CS BIT5
063714,000207: 5627 71247 MASK EXTVBACT
063715,000208: 5630 55247 TS EXTVBACT
063716,000209: 5631 05205 TC ENDOFJOB
063717,000210:
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Page 1485 |
063719,000212:
063720,000213: # SUBROUTINES TO TURN OFF AND TURN ON TRACKER FAIL LIGHT.
063721,000214:
063722,000215: 5632 COUNT* $$/DSPLA
063723,000216: 5632 00004 TRFAILOF INHINT
063724,000217: 5633 47670 CS OCT40200 # TURN OFF TRACKER LIGHT
063725,000218: 5634 71241 MASK DSPTAB +11D
063726,000219: 5635 64752 AD BIT15
063727,000220: 5636 55241 TS DSPTAB +11D
063728,000221: 5637 41337 CS OPTMODES # TO INSURE THAT OCDU FAIL WILL GO ON
063729,000222: 5640 74762 MASK OCDUFBIT # AGAIN IF IT WAS ON IN ADDITION TO
063730,000223: 5641 27337 ADS OPTMODES # TRACKER FAIL.
063731,000224:
063732,000225: 5642 00003 REQ RELINT
063733,000226: 5643 00002 TC Q
063734,000227:
063735,000228: 5644 00004 TRFAILON INHINT
063736,000229: 5645 41241 CS DSPTAB +11D # TURN ON
063737,000230: 5646 77670 MASK OCT40200
063738,000231: 5647 27241 ADS DSPTAB +11D
063739,000232: 5650 15642 TCF REQ
063740,000233:
063741,000234: 5651 10000 INCRQCK CCS A
063742,000235: 5652 24002 INCR Q
063743,000236: 5653 00002 TC Q
063744,000237: 5654 COUNT* $$/CFAIL
063745,000238: 5654 54001 C31BTCHK TS L # SAVE MASK
063746,000239: 5655 30374 CA C31FLWRD
063747,000240: 5656 74346 MASK FAILBIT
063748,000241: 5657 10000 CCS A
063749,000242: 5660 15667 TCF USEFLBTS
063750,000243: 5661 00006 EXTEND
063751,000244: 5662 00031 READ CHAN31
063752,000245: 5663 70001 C31CMCHK MASK L
063753,000246: 5664 00006 EXTEND
063754,000247: 5665 16711 BZF TCQ # BITS SET
063755,000248: 5666 16706 TCF Q+1 # BITS NOT SET
063756,000249:
063757,000250: 5667 30374 USEFLBTS CA C31FLWRD
063758,000251: 5670 15663 TCF C31CMCHK
063759,000252:
063760,000253: 5671 4346 FAILBIT = PRIO30
063761,000254:
End of include-file SERVICE_ROUTINES.agc. Parent file is MAIN.agc