Source Code
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These source-code files were from the printout at the MIT Museum, with many thanks
to Deborah Douglas, the Museum's Curator of Science and Technology, for releasing
it to us. The printout was digitally photographed by Paul Fjeld. A team of
volunteers transcribed the source code manually from these images or, where
appropriate, modified already-transcribed but similar source Luminary 131 (Apollo 13)
source code to agree with the images from the printout. Note that the page images
presented online are of reduced quality, and that higher-quality images
are 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 001 OF AGC PROGRAM LMY99 BY NASA 2021112-061 20'35 OCT. 28,1968Note that the date is the date of the printout, not the date of the program revision. |
059147,000002: ## Copyright: Public domain.
059148,000003: ## Filename: ALARM_AND_ABORT.agc
059149,000004: ## Purpose: Part of the source code for Luminary 1A build 099.
059150,000005: ## It is part of the source code for the Lunar Module's (LM)
059151,000006: ## Apollo Guidance Computer (AGC), for Apollo 11.
059152,000007: ## Assembler: yaYUL
059153,000008: ## Contact: Ron Burkey <info@sandroid.org>.
059154,000009: ## Website: www.ibiblio.org/apollo.
059155,000010: ## Pages: 1381-1385
059156,000011: ## Mod history: 2009-05-10 SN (Sergio Navarro). Started adapting
059157,000012: ## from the Luminary131/ file of the same
059158,000013: ## name, using Luminary099 page images.
059159,000014: ## 2009-06-05 RSB Fixed a type.
059160,000015: ## 2011-01-06 JL Fixed pseudo-label indentation.
059161,000016: ## 2016-12-13 RSB GOTOP00H -> GOTOPOOH
059162,000017: ## 2016-12-18 RSB Proofed text comments with octopus/ProoferComments
059163,000018: ## and corrected the errors found.
059164,000019: ##
059165,000020: ## This source code has been transcribed or otherwise adapted from
059166,000021: ## digitized images of a hardcopy from the MIT Museum. The digitization
059167,000022: ## was performed by Paul Fjeld, and arranged for by Deborah Douglas of
059168,000023: ## the Museum. Many thanks to both. The images (with suitable reduction
059169,000024: ## in storage size and consequent reduction in image quality as well) are
059170,000025: ## available online at www.ibiblio.org/apollo. If for some reason you
059171,000026: ## find that the images are illegible, contact me at info@sandroid.org
059172,000027: ## about getting access to the (much) higher-quality images which Paul
059173,000028: ## actually created.
059174,000029: ##
059175,000030: ## Notations on the hardcopy document read, in part:
059176,000031: ##
059177,000032: ## Assemble revision 001 of AGC program LMY99 by NASA 2021112-61
059178,000033: ## 16:27 JULY 14, 1969
059179,000034:
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Page 1381 |
059181,000036: # THE FOLLOWING SUBROUTINE MAY BE CALLED TO DISPLAY A NON-ABORTIVE ALARM CONDITION. IT MAY BE CALLED
059182,000037: # EITHER IN INTERRUPT OR UNDER EXECUTIVE CONTROL.
059183,000038:
059184,000039: # CALLING SEQUENCE IS AS FOLLOWS:
059185,000040: # TC ALARM
059186,000041: # OCT AAANN ALARM NO. NN IN GENERAL AREA AAA.
059187,000042: # (RETURNS HERE)
059188,000043:
059189,000044: 5567 BLOCK 02
059190,000045: 4000 SETLOC FFTAG7
059191,000046: 4000 BANK
059192,000047:
059193,000048: 5567 0375 EBANK= FAILREG
059194,000049:
059195,000050: 5567 COUNT* $$/ALARM
059196,000051:
059197,000052: # ALARM TURNS ON THE PROGRAM ALARM LIGHT, BUT DOES NOT DISPLAY.
059198,000053:
059199,000054: 5567 00004 ALARM INHINT
059200,000055:
059201,000056: 5570 30002 CA Q
059202,000057: 5571 55363 ALARM2 TS ALMCADR
059203,000058: 5572 50002 INDEX Q
059204,000059: 5573 30000 CA 0
059205,000060: 5574 54001 BORTENT TS L
059206,000061:
059207,000062: 5575 30006 PRIOENT CA BBANK
059208,000063: 5576 00006 +1 EXTEND
059209,000064: 5577 04007 ROR SUPERBNK # ADD SUPER BITS.
059210,000065: 5600 55364 TS ALMCADR +1
059211,000066:
059212,000067: 5601 30002 LARMENT CA Q # STORE RETURN FOR ALARM
059213,000068: 5602 54061 TS ITEMP1
059214,000069:
059215,000070: 5603 10375 CHKFAIL1 CCS FAILREG # IS ANYTHING IN FAILREG
059216,000071: 5604 15607 TCF CHKFAIL2 # YES TRY NEXT REG
059217,000072: 5605 22375 LXCH FAILREG
059218,000073: 5606 15621 TCF PROGLARM # TURN ALARM LIGHT ON FOR FIRST ALARM
059219,000074:
059220,000075: 5607 10376 CHKFAIL2 CCS FAILREG +1
059221,000076: 5610 15613 TCF FAIL3
059222,000077: 5611 22376 LXCH FAILREG +1
059223,000078: 5612 15624 TCF MULTEXIT
059224,000079:
059225,000080: 5613 30377 FAIL3 CA FAILREG +2
059226,000081: 5614 74733 MASK POSMAX
059227,000082: 5615 10000 CCS A
059228,000083: 5616 15630 TCF MULTFAIL
059229,000084: 5617 22377 LXCH FAILREG +2
059230,000085: 5620 15624 TCF MULTEXIT
059231,000086:
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Page 1382 |
059233,000088:
059234,000089: 5621 41036 PROGLARM CS DSPTAB +11D
059235,000090: 5622 75642 MASK OCT40400
059236,000091: 5623 27036 ADS DSPTAB +11D
059237,000092:
059238,000093:
059239,000094: 5624 56061 MULTEXIT XCH ITEMP1 # OBTAIN RETURN ADDRESS IN A
059240,000095: 5625 00003 RELINT
059241,000096: 5626 50000 INDEX A
059242,000097: 5627 00001 TC 1
059243,000098:
059244,000099: 5630 30001 MULTFAIL CA L
059245,000100: 5631 64735 AD BIT15
059246,000101: 5632 54377 TS FAILREG +2
059247,000102:
059248,000103: 5633 15624 TCF MULTEXIT
059249,000104:
059250,000105: # PRIOLARM DISPLAYS V05N09 VIA PRIODSPR WITH 3 RETURNS TO THE USER FROM THE ASTRONAUT AT CALL LOC +1,+2,+3 AND
059251,000106: # AN IMMEDIATE RETURN TO THE USER AT CALL LOC +4. EXAMPLE FOLLOWS,
059252,000107: # CAF OCTXX ALARM CODE
059253,000108: # TC BANKCALL
059254,000109: # CADR PRIOLARM
059255,000110: # ... ...
059256,000111: # ... ...
059257,000112: # ... ... ASTRONAUT RETURN
059258,000113: # TC PHASCHNG IMMEDIATE RETURN TO USER. RESTART
059259,000114: # OCT X.1 PHASE CHANGE FOR PRIO DISPLAY
059260,000115:
059261,000116: 10,3562 BANK 10
059262,000117: 10,2000 SETLOC DISPLAYS
059263,000118: 10,2000 BANK
059264,000119:
059265,000120: 10,3562 COUNT* $$/DSPLA
059266,000121: 10,3562 00004 PRIOLARM INHINT # * * * KEEP IN DISPLAY ROUTINES BANK
059267,000122: 10,3563 54001 TS L # SAVE ALARM CODE
059268,000123:
059269,000124: 10,3564 30133 CA BUF2 # 2 CADR OF PRIOLARM USER
059270,000125: 10,3565 55363 TS ALMCADR
059271,000126: 10,3566 30134 CA BUF2 +1
059272,000127: 10,3567 05576 TC PRIOENT +1 # * LEAVE L ALONE
059273,000128: 10,3570 77467 -2SEC DEC -200 B-14 # *** DONT MOVE
059274,000129: 10,3571 35006 CAF V05N09
059275,000130: 10,3572 12504 TCF PRIODSPR
059276,000131:
059277,000132: 5634 BLOCK 02
059278,000133: 4000 SETLOC FFTAG7
059279,000134: 4000 BANK
059280,000135:
059281,000136: 5634 COUNT* $$/ALARM
059282,000137: 5634 00004 BAILOUT INHINT
059283,000138: 5635 30002 CA Q
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Page 1383 |
059285,000140: 5636 55363 TS ALMCADR
059286,000141:
059287,000142: 5637 50002 INDEX Q
059288,000143: 5640 30000 CAF 0
059289,000144: 5641 05574 TC BORTENT
059290,000145: 5642 40400 OCT40400 OCT 40400
059291,000146:
059292,000147: 5643 00004 INHINT
059293,000148: 5644 34752 WHIMPER CA TWO
059294,000149: 5645 60005 AD Z
059295,000150: 5646 54017 TS BRUPT
059296,000151: 5647 50017 RESUME
059297,000152: 5650 04635 TC POSTJUMP # RESUME SENDS CONTROL HERE
059298,000153: 5651 12765 CADR ENEMA
059299,000154: 5652 00004 POODOO INHINT
059300,000155: 5653 30002 CA Q
059301,000156: 5654 55363 ABORT2 TS ALMCADR
059302,000157: 5655 50002 INDEX Q
059303,000158: 5656 30000 CAF 0
059304,000159: 5657 05574 TC BORTENT
059305,000160: 5660 77770 OCT77770 OCT 77770 # DON'T MOVE
059306,000161:
059307,000162: 5661 34765 CAF OCT35 # 4.35SPOT FOR GOPOODOO
059308,000163: 5662 54001 TS L
059309,000164: 5663 40000 COM
059310,000165: 5664 52761 DXCH -PHASE4
059311,000166: 5665 00004 GOPOODOO INHINT
059312,000167: 5666 04616 TC BANKCALL # RESET STATEFLG, REINTFLG, AND NODOFLAG.
059313,000168: 5667 27755 CADR FLAGS
059314,000169: 5670 30103 CA FLAGWRD7 # IS SERVICER CURRENTLY IN OPERATION?
059315,000170: 5671 74746 MASK V37FLBIT
059316,000171: 5672 10000 CCS A
059317,000172: 5673 15701 TCF STRTIDLE
059318,000173: 5674 04616 TC BANKCALL # TERMINATE GRPS 1, 3, 5, AND 6
059319,000174: 5675 12652 CADR V37KLEAN
059320,000175: 5676 04616 TC BANKCALL # TERMINATE GRPS 2, 4, 1, 3, 5, AND 6
059321,000176: 5677 12643 CADR MR.KLEAN # (I.E., GRP 4 LAST)
059322,000177: 5700 15644 TCF WHIMPER
059323,000178: 5701 35743 STRTIDLE CAF BBSERVDL
059324,000179: 5702 04727 TC SUPERSW
059325,000180: 5703 04616 TC BANKCALL # PUT SERVICER INTO ITS "GROUND" STATE
059326,000181: 5704 57321 CADR SERVIDLE # AND PROCEED TO GOTOPOOH.
059327,000182: 5705 00004 CCSHOLE INHINT
059328,000183: 5706 30002 CA Q
059329,000184: 5707 05654 TC ABORT2
059330,000185: 5710 01103 OCT21103 OCT 1103
059331,000186: 5711 00004 CURTAINS INHINT
059332,000187: 5712 30002 CA Q
059333,000188: 5713 05571 TC ALARM2
059334,000189: 5714 00217 OCT217 OCT 00217
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Page 1384 |
059336,000191: 5715 01363 TC ALMCADR # RETURN TO USER
059337,000192:
059338,000193: 5716 00004 BAILOUT1 INHINT
059339,000194: 5717 53364 DXCH ALMCADR
059340,000195: 5720 35742 CAF ADR40400
059341,000196: 5721 54061 BOTHABRT TS ITEMP1
059342,000197: 5722 50002 INDEX Q
059343,000198: 5723 30000 CAF 0
059344,000199: 5724 54001 TS L
059345,000200: 5725 15603 TCF CHKFAIL1
059346,000201: 5726 00004 POODOO1 INHINT
059347,000202: 5727 53364 DXCH ALMCADR
059348,000203: 5730 35741 CAF ADR77770
059349,000204: 5731 15721 TCF BOTHABRT
059350,000205:
059351,000206: 5732 00004 ALARM1 INHINT
059352,000207: 5733 53364 DXCH ALMCADR
059353,000208: 5734 00004 ALMNCADR INHINT
059354,000209: 5735 50002 INDEX Q
059355,000210: 5736 30000 CA 0
059356,000211: 5737 54001 TS L
059357,000212: 5740 15601 TCF LARMENT
059358,000213:
059359,000214: 5741 15660 ADR77770 TCF OCT77770
059360,000215: 5742 15642 ADR40400 TCF OCT40400
059361,000216: 5743 5155 DOALARM EQUALS ENDOFJOB
059362,000217: 5743 E7,1515 EBANK= DVCNTR
059363,000218: 5743 56067 BBSERVDL BBCON SERVIDLE
059364,000219:
059365,000220: # CALLING SEQUENCE FOR VARALARM
059366,000221: # CAF (ALARM)
059367,000222: # TC VARALARM
059368,000223:
059369,000224: # VARALARM TURNS ON PROGRAM ALARM LIGHT BUT DOES NOT DISPLAY
059370,000225:
059371,000226: 5744 00004 VARALARM INHINT
059372,000227:
059373,000228: 5745 54001 TS L # SAVE USERS ALARM CODE
059374,000229:
059375,000230: 5746 30002 CA Q # SAVE USERS Q
059376,000231: 5747 55363 TS ALMCADR
059377,000232:
059378,000233: 5750 05575 TC PRIOENT
059379,000234: 5751 00014 OCT14 OCT 14 # DONT MOVE
059380,000235:
059381,000236: 5752 01363 TC ALMCADR # RETURN TO USER
059382,000237:
059383,000238: 5753 5644 ABORT EQUALS WHIMPER
059384,000239: 13,3755 BANK 13
059385,000240: 13,2000 SETLOC ABTFLGS
059386,000241: 13,2000 BANK
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Page 1385 |
059388,000243: 13,3755 COUNT* $$/ALARM
059389,000244:
059390,000245: 13,3755 44747 FLAGS CS STATEBIT
059391,000246: 13,3756 70077 MASK FLAGWRD3
059392,000247: 13,3757 54077 TS FLAGWRD3
059393,000248: 13,3760 44745 CS REINTBIT
059394,000249: 13,3761 70106 MASK FLGWRD10
059395,000250: 13,3762 54106 TS FLGWRD10
059396,000251: 13,3763 44753 CS NODOBIT
059397,000252: 13,3764 70076 MASK FLAGWRD2
059398,000253: 13,3765 54076 TS FLAGWRD2
059399,000254: 13,3766 00002 TC Q
059400,000255:
End of include-file ALARM_AND_ABORT.agc. Parent file is MAIN.agc