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. |
059420,000002: ## Copyright: Public domain.
059421,000003: ## Filename: UPDATE_PROGRAM.agc
059422,000004: ## Purpose: Part of the source code for Luminary 1A build 099.
059423,000005: ## It is part of the source code for the Lunar Module's (LM)
059424,000006: ## Apollo Guidance Computer (AGC), for Apollo 11.
059425,000007: ## Assembler: yaYUL
059426,000008: ## Contact: Ron Burkey <info@sandroid.org>.
059427,000009: ## Website: www.ibiblio.org/apollo.
059428,000010: ## Pages: 1386-1396
059429,000011: ## Mod history: 2009-05-10 SN (Sergio Navarro). Started adapting
059430,000012: ## from the Luminary131/ file of the same
059431,000013: ## name, using Luminary099 page images.
059432,000014: ## 2009-06-07 RSB Added an SBANK= to account for incompatibilities
059433,000015: ## between YUL and yaYUL.
059434,000016: ## 2011-01-06 JL Fixed pseudo-label indentation.
059435,000017: ## 2011-05-07 JL Flag SBANK= workaround.
059436,000018: ## 2016-12-18 RSB Proofed text comments with octopus/ProoferComments
059437,000019: ## and corrected the errors found.
059438,000020: ## 2017-01-28 RSB Comment-text fixes identified for Luminary 69.
059439,000021: ## 2017-02-09 RSB Comment-text fixes identified for Artemis 72.
059440,000022: ## 2017-03-14 RSB Comment-text fixes noted in proofing Luminary 116.
059441,000023: ## 2017-03-16 RSB Comment-text fixes identified in 5-way
059442,000024: ## side-by-side diff of Luminary 69/99/116/131/210.
059443,000025: ## 2017-06-17 MAS Globally removed all SBANK= workarounds.
059444,000026:
059445,000027: ## This source code has been transcribed or otherwise adapted from
059446,000028: ## digitized images of a hardcopy from the MIT Museum. The digitization
059447,000029: ## was performed by Paul Fjeld, and arranged for by Deborah Douglas of
059448,000030: ## the Museum. Many thanks to both. The images (with suitable reduction
059449,000031: ## in storage size and consequent reduction in image quality as well) are
059450,000032: ## available online at www.ibiblio.org/apollo. If for some reason you
059451,000033: ## find that the images are illegible, contact me at info@sandroid.org
059452,000034: ## about getting access to the (much) higher-quality images which Paul
059453,000035: ## actually created.
059454,000036: ##
059455,000037: ## Notations on the hardcopy document read, in part:
059456,000038: ##
059457,000039: ## Assemble revision 001 of AGC program LMY99 by NASA 2021112-61
059458,000040: ## 16:27 JULY 14, 1969
059459,000041:
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Page 1386 |
059461,000043: # PROGRAM NAME: P27
059462,000044: # WRITTEN BY: KILROY/ DE WOLF
059463,000045:
059464,000046: # MOD NO: 6
059465,000047: # MOD BY: KILROY
059466,000048: # DATE: 01DEC67
059467,000049:
059468,000050: # LOG SECTION: UPDATE PROGRAM.
059469,000051:
059470,000052: # FUNCT. DESCR: P27 (THE UPDATE PROGRAM) PROCESSES COMMANDS AND DATA
059471,000053: # INSERTIONS REQUESTED BY THE GROUND VIA UPLINK.
059472,000054: # THE P27 PROGRAM WILL ACCEPT UPDATES
059473,000055: # ONLY DURING P00 FOR THE LM, AND ONLY DURING P00,
059474,000056: # P02, AND FRESH START FOR THE CSM
059475,000057:
059476,000058: # CALLING SEQ: PROGRAM IS INITIATED BY UPLINK ENTRY OF VERBS 70, 71, 72 AND 73.
059477,000059:
059478,000060: # SUBROUTINES: TESTXACT, NEWMODEX, NEWMODEX +3, GOXDSPF, BANKCALL, FINDVAC, INTPRET, INTSTALL, TPAGREE,
059479,000061: # INTWAKEU, ENDEXT, POSTJUMP, FALTON, NEWPHASE, PHASCHNG
059480,000062:
059481,000063: # NORMAL EXIT: TC ENDEXT
059482,000064:
059483,000065: # ALARM/ABORT: TC FALTON FOLLOWED BY TC ENDEXT
059484,000066:
059485,000067: # RESTARTS: P27 IS RESTART PROTECTED IN TWO WAYS ...
059486,000068: # 1. PRIOR TO VERIFLAG INVERSION (WHICH IS CAUSED BY THE GROUND/ASTRONAUT'S VERIFICATION OF UPDATE
059487,000069: # DATA BY SENDING A V33E WHEN V21N02 IS FLASHING)---
059488,000070: # NO PROTECTION EXCEPT PRE-P27 MODE IS RESTORED, COAST + ALIGN DOWNLIST IS SELECTED AND UPLINK
059489,000071: # ACTIVITY LIGHT IS TURNED OFF. (JUST AS IF A V34E WAS SENT DURING P27 DATA LOADS).
059490,000072: # V70,V71,V72 OR V73 WILL HAVE TO BE COMPLETELY RESENT BY USER.
059491,000073: # 2. AFTER VERIFLAG INVERSION (WHEN UPDATE OF THE SPECIFIED ERASABLES IS BEING PERFORMED)---
059492,000074: # PROTECTED AGAINST RESTARTS.
059493,000075:
059494,000076: # DEBRIS: UPBUFF (20D) TEMP STORAGE FOR ADDRESSES AND CONTENTS.
059495,000077: # UPVERB (1) VERB NUMBER MINUS 70D (E.G. FOR V72, UPVERB = 72D - 70D = 2)
059496,000078: # UPOLDMOD(1) FOR MAJOR MODE INTERRUPTED BY P27.
059497,000079: # COMPNUMB(1) TOTAL NUMBER OF COMPONENTS TO BE TRANSMITTED.
059498,000080: # UPCOUNT (1) ACTUAL NUMBER OF COMPONENTS RECEIVED.
059499,000081: # UPTEMP (1) SCRATCH, BUT USUALLY CONTAINS COMPONENT NUMBER TO BE CHANGED DURING VERIFY CYCLE
059500,000082:
059501,000083: # INPUT:
059502,000084:
059503,000085: # ENTRY: DESCRIPTION
059504,000086: # V70EXXXXXEXXXXXE (LIFTOFF TIME INCREMENT) DOUBLE PRECISION OCTAL TIME INCREMENT, XXXXX XXXXX,
059505,000087: # IS ADDED TO TEPHEM, SUBTRACTED FROM AGC CLOCK(TIME2,TIME1), SUBTRACTED FROM CSM STATE
059506,000088: # VECTOR TIME(TETCSM) AND SUBTRACTED FROM LEM STATE VECTOR TIME(TETLEM).
059507,000089: # THE DP OCTAL TIME INCREMENT IS SCALED AT 2(28).
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Page 1387 |
059509,000091: # V71EIIEAAAAE (CONTIGUOUS BLOCK UPDATE) II-2 OCTAL COMPONENTS, XXXXX,
059510,000092: # XXXXXE ARE LOADED INTO ERASABLE STARTING AT ECADR, AAAA.
059511,000093: # XXXXXE IT IS .GE. 3 .AND. .LE. 20D.,
059512,000094: # AND (AAAA + II -3) DOES NOT PRODUCE AN ADDRESS IN THE
059513,000095: # 9 NEXT BANK
059514,000096: # . SCALING IS SAME AS INTERNAL REGISTERS.
059515,000097: # V72EIIE (SCATTER UPDATE) (II-1)/2 OCTAL COMPONENTS, XXXXX, ARE
059516,000098: # AAAAEXXXXXE LOADED INTO ERASABLE LOCATIONS, AAAA.
059517,000099: # AAAAEXXXXXE II IS .GE. 3 .AND. .LE. 19D, AND MUST BE ODD.
059518,000100: # . SCALING IS SAME AS INTERNAL REGISTERS.
059519,000101:
059520,000102: # V73EXXXXXEXXXXXE (OCTAL CLOCK INCREMENT) DOUBLE PRECISION OCTAL TIME
059521,000103: # INCREMENT XXXXX XXXXX, IS ADDED TO THE AGC CLOCK, IN
059522,000104: # CENTISECONDS SCALED AT (2)28.
059523,000105: # THIS LOAD IS THE OCTAL EQUIVALENT OF V55.
059524,000106:
059525,000107: # OUTPUT: IN ADDITION TO THE ABOVE REGISTER LOADS, ALL UPDATES
059526,000108: # COMPLEMENT BIT3 OF FLAGWORD7.
059527,000109:
059528,000110: # ADDITIONAL NOTES: VERB 71, JUST DEFINED ABOVE WILL BE USED TO PERFORM BUT NOT LIMITED TO THE FOLLOWING UPDATES --
059529,000111: # 1. CSM/LM STATE VECTOR UPDATE
059530,000112: # 2. REFSMMAT UPDATE
059531,000113:
059532,000114: # THE FOLLOWING COMMENTS DELINEATE EACH SPECIAL UPDATE ----
059533,000115:
059534,000116: # 1. CSM/LM STATE VECTOR UPDATE (ALL DATA ENTRIES IN OCTAL)
059535,000117: # ENTRIES: DATA DEFINITION: SCALE FACTORS:
059536,000118: # V71E CONTIGUOUS BLOCK UPDATE VERB
059537,000119: # 21E NUMBER OF COMPONENTS FOR STATE VECTOR UPDATE
059538,000120: # AAAAE ECADR OF 'UPSVFLAG'
059539,000121: # XXXXXE STATE VECTOR IDENTIFIER: 00001 FOR CSM, 77776 FOR LEM - EARTH SPHERE OF INFLUENCE SCALING
059540,000122: # 00002 FOR CSM, 77775 FOR LEM - LUNAR SPHERE OF INFLUENCE SCALING
059541,000123: # XXXXXEXXXXXE X POSITION
059542,000124: # XXXXXEXXXXXE Y POSITION
059543,000125: # XXXXXEXXXXXE Z POSITION
059544,000126: # XXXXXEXXXXXE X VELOCITY
059545,000127: # XXXXXEXXXXXE Y VELOCITY
059546,000128: # XXXXXEXXXXXE Z VELOCITY
059547,000129: # XXXXXEXXXXXE TIME FROM AGC CLOCK ZERO
059548,000130: # V33E VERB 33 TO SIGNAL THAT THE STATE VECTOR IS READY TO BE STORED.
059549,000131:
059550,000132: # 2. REFSMMAT (ALL DATA ENTRIES IN OCTAL)
059551,000133: # ENTRIES: DATA DEFINITIONS: SCALE FACTORS:
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Page 1388 |
059553,000135: # V71E CONTIGUOUS BLOCK UPDATE VERB
059554,000136: # 24E NUMBER OF COMPONENTS FOR REFSMMAT UPDATE
059555,000137: # AAAAE ECADR OF 'REFSMMAT'
059556,000138: # XXXXXEXXXXXE ROW 1 COLUMN 1 2(-1)
059557,000139: # XXXXXEXXXXXE ROW 1 COLUMN 2 2(-1)
059558,000140: # XXXXXEXXXXXE ROW 1 COLUMN 3 2(-1)
059559,000141: # XXXXXEXXXXXE ROW 2 COLUMN 1 2(-1)
059560,000142: # XXXXXEXXXXXE ROW 2 COLUMN 2 2(-1)
059561,000143: # XXXXXEXXXXXE ROW 2 COLUMN 3 2(-1)
059562,000144: # XXXXXEXXXXXE ROW 3 COLUMN 1 2(-1)
059563,000145: # XXXXXEXXXXXE ROW 3 COLUMN 2 2(-1)
059564,000146: # XXXXXEXXXXXE ROW 3 COLUMN 3 2(-1)
059565,000147: # V33E VERB 33 TO SIGNAL THAT REFSMMAT IS READY TO BE STORED.
059566,000148:
059567,000149:
059568,000150:
059569,000151: 07,3773 BANK 07
059570,000152: 43,2000 SETLOC EXTVERBS
059571,000153: 43,2000 BANK
059572,000154:
059573,000155: 43,3724 E3,1706 EBANK= TEPHEM
059574,000156:
059575,000157: 43,3724 COUNT* $$/P27
059576,000158: 43,3724 34755 V70UPDAT CAF UP70 # COMES HERE ON V70E
059577,000159: 43,3725 13733 TCF V73UPDAT +1
059578,000160:
059579,000161: 43,3726 34753 V71UPDAT CAF UP71 # COMES HERE ON V71E
059580,000162: 43,3727 13733 TCF V73UPDAT +1
059581,000163:
059582,000164: 43,3730 34752 V72UPDAT CAF UP72 # COMES HERE ON V72E
059583,000165: 43,3731 13733 TCF V73UPDAT +1
059584,000166:
059585,000167: 43,3732 36245 V73UPDAT CAF UP73 # COMES HERE ON V73E
059586,000168:
059587,000169: 43,3733 55166 +1 TS UPVERBSV # SAVE UPVERB UNTIL IT'S OK TO ENTER P27
059588,000170:
059589,000171: 43,3734 02076 TC TESTXACT # GRAB DISPLAY IF AVAILABLE, OTHERWISE
059590,000172: # TURN*OPERATOR ERROR* ON AND TERMINATEJOB
059591,000173:
059592,000174: 43,3735 31011 CA MODREG # CHECK IF UPDATE ALLOWED
059593,000175: 43,3736 00006 EXTEND # FIRST CHECK FOR MODREG = +0, -0
059594,000176: 43,3737 13742 BZF +3 # (+0 = P00, -0 = FRESHSTART)
059595,000177: 43,3740 04635 UPERROR TC POSTJUMP # TURN ON 'OPERATOR ERROR' LIGHT
059596,000178: 43,3741 11762 CADR UPERROUT +2 # GO TO COMMON UPDATE PROGRAM EXIT
059597,000179:
059598,000180: 43,3742 31011 CAE MODREG # UPDATE ALLOWED.
059599,000181: 43,3743 43,3740 CKMDMORE = UPERROR
059600,000182: 43,3743 55171 TS UPOLDMOD # SAVE CURRENT MAJOR MODE
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Page 1389 |
059602,000184: 43,3744 31166 CAE UPVERBSV # SET UPVERB TO INDICATE TO P27
059603,000185:
059604,000186: 43,3745 55172 TS UPVERB # WHICH EXTENDED VERB CALLED IT.
059605,000187:
059606,000188: 43,3746 34753 CAF ONE
059607,000189: 43,3747 55173 TS UPCOUNT # INITIALIZE UPCOUNT TO 1
059608,000190:
059609,000191: 43,3750 04635 TC POSTJUMP # LEAVE EXTENDED VERB BANK AND
059610,000192: 43,3751 11401 CADR UPPART2 # GO TO UPDATE PROGRAM (P27) BANK.
059611,000193:
059612,000194: 43,3752 4755 UP70 EQUALS ZERO
059613,000195: 43,3752 4753 UP71 EQUALS ONE
059614,000196: 43,3752 4752 UP72 EQUALS TWO
059615,000197: 43,3752 6245 UP73 EQUALS THREE
059616,000198:
059617,000199: 04,3401 BANK 04
059618,000200: 04,2000 SETLOC UPDATE2
059619,000201: 04,2000 BANK
059620,000202:
059621,000203: 04,3401 COUNT* $$/P27
059622,000204:
059623,000205: 04,3401 UPPART2 EQUALS # UPDATE PROGRAM - PART 2
059624,000206:
059625,000207: 04,3401 05353 TC PHASCHNG # SET RESTART GROUP 6 TO RESTORE OLD MODE
059626,000208: 04,3402 07026 OCT 07026 # AND DOWNLIST AND EXIT IF RESTART OCCURS.
059627,000209: 04,3403 30000 OCT 30000 # PRIORITY SAME AS CHRPRIO
059628,000210: 04,3404 1174 EBANK= UPBUFF
059629,000211: 04,3404 03712 10102 2CADR UPOUT +1
059630,000212:
059631,000213: 04,3406 34753 CAF ONE
059632,000214: 04,3407 54332 TS DNLSTCOD # DOWNLIST
059633,000215:
059634,000216: 04,3410 05311 TC NEWMODEX # SET MAJOR MODE = 27
059635,000217: 04,3411 00033 DEC 27 B-14
059636,000218:
059637,000219: 04,3412 51172 INDEX UPVERB # BRANCH DEPENDING ON WHETHER THE UPDATE
059638,000220: 04,3413 13414 TCF +1 # VERB REQUIRES A FIXED OR VARIABLE NUMBER
059639,000221: 04,3414 13417 TCF +3 # V70 FIXED. (OF COMPONENTS.
059640,000222: 04,3415 13422 TCF OHWELL1 # V71 VARIABLE - GO GET NO. OF COMPONENTS
059641,000223: 04,3416 13422 TCF OHWELL1 # V72 VARIABLE - GO GET NO. OF COMPONENTS
059642,000224: 04,3417 34752 CA TWO # V73 (AND V70) FIXED
059643,000225: 04,3420 55170 TS COMPNUMB # SET NUMBER OF COMPONENTS TO 2.
059644,000226: 04,3421 13445 TCF OHWELL2 # GO GET THE TWO UPDATE COMPONENTS
059645,000227:
059646,000228: 04,3422 33515 OHWELL1 CAF ADUPBUFF # * REQUEST USER TO SEND NUMBER *
059647,000229: 04,3423 54156 TS MPAC +2 # * OF COMPONENTS PARAMETER(II).*
059648,000230: 04,3424 33516 +2 CAF UPLOADNV # (CK4V32 RETURNS HERE IF V32 ENCOUNTERED)
059649,000231: 04,3425 04616 TC BANKCALL # DISPLAY A FLASHING V21N01
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Page 1390 |
059651,000233: 04,3426 20334 CADR GOXDSPF # TO REQUEST II.
059652,000234:
059653,000235: 04,3427 13712 TCF UPOUT4 # V34 TERMINATE UPDATE (P27) RETURN
059654,000236: 04,3430 13424 TCF OHWELL1 +2
059655,000237: 04,3431 03506 TC CK4V32 # DATA OR V32 RETURN
059656,000238: 04,3432 44752 CS BIT2
059657,000239: 04,3433 61174 AD UPBUFF # IS II (NUMBER OF COMPONENTS PARAMETER)
059658,000240: 04,3434 00006 EXTEND # .GE. 3 AND .LE. 20D.
059659,000241: 04,3435 63424 BZMF OHWELL1 +2
059660,000242: 04,3436 41174 CS UPBUFF
059661,000243: 04,3437 64362 AD UP21
059662,000244: 04,3440 00006 EXTEND
059663,000245: 04,3441 63424 BZMF OHWELL1 +2
059664,000246: 04,3442 31174 CAE UPBUFF
059665,000247: 04,3443 55170 TS COMPNUMB # SAVE II IN COMPNUMB
059666,000248:
059667,000249: # UPBUFF LOADING SEQUENCE
059668,000250:
059669,000251: 04,3444 25173 INCR UPCOUNT # INCREMENT COUNT OF COMPONENTS RECEIVED.
059670,000252: 04,3445 33662 OHWELL2 CAF ADUPBFM1 # CALCULATE LOCATION (ECADR) IN UPBUFF
059671,000253: 04,3446 61173 AD UPCOUNT # WHERE NEXT COMPONENT SHOULD BE STORED.
059672,000254: 04,3447 54156 +2 TS MPAC +2 # PLACE ECADR INTO R3.
059673,000255: 04,3450 33516 +3 CAF UPLOADNV # (CK4V32 RETURNS HERE IF V32 ENCOUNTERED)
059674,000256: 04,3451 04616 TC BANKCALL # DISPLAY A FLASHING V21N01
059675,000257: 04,3452 20334 CADR GOXDSPF # TO REQUEST DATA.
059676,000258: 04,3453 13712 TCF UPOUT4 # V34 TERMINATE UPDATE (P27) RETURN.
059677,000259: 04,3454 13450 TCF OHWELL2 +3 # V33 PROCEED RETURN
059678,000260: 04,3455 03506 TC CK4V32 # DATA OR V32 RETURN
059679,000261: 04,3456 41173 CS UPCOUNT # HAVE WE FINISHED RECEIVING ALL
059680,000262: 04,3457 61170 AD COMPNUMB # THE DATA WE EXPECTED.
059681,000263: 04,3460 00006 EXTEND
059682,000264: 04,3461 63463 BZMF UPVERIFY # YES - GO TO VERIFICATION SEQUENCE
059683,000265: 04,3462 13444 TCF OHWELL2 -1 # NO - REQUEST ADDITIONAL DATA.
059684,000266:
059685,000267: # VERIFY SEQUENCE
059686,000268:
059687,000269: 04,3463 33514 UPVERIFY CAF ADUPTEMP # PLACE ECADR WHERE COMPONENT NO. INDEX
059688,000270: 04,3464 54156 TS MPAC +2 # IS TO BE STORED INTO R3.
059689,000271: 04,3465 33517 CAF UPVRFYNV # (CK4V32 RETURNS HERE IF V32 ENCOUNTERED)
059690,000272: 04,3466 04616 TC BANKCALL # DISPLAY A FLASHING V21N02 TO REQUEST
059691,000273: 04,3467 20334 CADR GOXDSPF # DATA CORRECTION OR VERIFICATION.
059692,000274: 04,3470 13712 TCF UPOUT4 # V34 TERMINATE UPDATE (P27) RETURN
059693,000275: 04,3471 13520 TCF UPSTORE # V33 DATA SENT IS GOOD. GO STORE IT.
059694,000276: 04,3472 03506 TC CK4V32 # COMPONENT NO. INDEX OR V32 RETURN
059695,000277: 04,3473 31167 CA UPTEMP # DOES THE COMPONENT NO. INDEX JUST SENT
059696,000278: 04,3474 00006 EXTEND # SPECIFY A LEGAL COMPONENT NUMBER?
059697,000279: 04,3475 63463 BZMF UPVERIFY # NO, IT IS NOT POSITIVE NONZERO
059698,000280: 04,3476 41167 CS UPTEMP
059699,000281: 04,3477 61170 AD COMPNUMB
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Page 1391 |
059701,000283: 04,3500 64753 AD BIT1
059702,000284: 04,3501 00006 EXTEND
059703,000285: 04,3502 63463 BZMF UPVERIFY # NO
059704,000286: 04,3503 33662 CAF ADUPBFM1 # YES - BASED ON THE COMPONENT NO. INDEX
059705,000287: 04,3504 61167 AD UPTEMP # CALCULATE THE ECADR OF LOCATION IN
059706,000288: 04,3505 13447 TCF OHWELL2 +2 # UPBUFF WHICH USER WANTS TO CHANGE.
059707,000289:
059708,000290: 04,3506 04,3712 UPOUT4 EQUALS UPOUT +1 # COMES HERE ON V34 TO TERMINATE UPDATE
059709,000291:
059710,000292: # CHECK FOR VERB 32 SEQUENCE
059711,000293:
059712,000294: 04,3506 40154 CK4V32 CS MPAC # ON DATA RETURN FROM 'GOXDSPF'
059713,000295: 04,3507 74746 MASK BIT6 # ON DATA RETURN FROM "GOXDSP" & THE CON-
059714,000296: 04,3510 10000 CCS A # TENTS OF MPAC = VERB. SO TEST FOR V32.
059715,000297: 04,3511 00002 TC Q # IT'S NOT A V32, IT'S DATA. PROCEED.
059716,000298: 04,3512 50002 INDEX Q
059717,000299: 04,3513 77771 TC 0 -6 # V32 ENCOUNTERED - GO BACK AND GET DATA
059718,000300:
059719,000301: 04,3514 01167 ADUPTEMP ADRES UPTEMP # ADDRESS OF TEMP STORAGE FOR CORRECTIONS
059720,000302: 04,3515 01174 ADUPBUFF ADRES UPBUFF # ADDRESS OF UPDATE DATA STORAGE BUFFER
059721,000303: 04,3516 05201 UPLOADNV VN 2101 # VERB 21 NOUN 01
059722,000304: 04,3517 05202 UPVRFYNV VN 2102 # VERB 21 NOUN 02
059723,000305: 04,3520 4362 UP21 = MD1 # DEC 21 = MAX NO OF COMPONENTS +1
059724,000306: 04,3520 4756 UPDTPHAS EQUALS FIVE
059725,000307:
059726,000308: # PRE-STORE AND FAN TO APPROPRIATE BRANCH SEQUENCE
059727,000309:
059728,000310: 04,3520 UPSTORE EQUALS # GROUND HAS VERIFIED UPDATE. STORE DATA.
059729,000311:
059730,000312: 04,3520 00004 INHINT
059731,000313:
059732,000314: 04,3521 30103 CAE FLAGWRD7 # INVERT VERIFLAG (BIT 3 OF FLAGWRD7) TO
059733,000315: 04,3522 56001 XCH L # INDICATE TO THE GROUND (VIA DOWNLINK)
059734,000316: 04,3523 34751 CAF VERIFBIT # THAT THE V33 (WHICH THE GROUND SENT TO
059735,000317: 04,3524 00006 EXTEND # VERIFY THE UPDATE) HAS BEEN SUCCESSFULLY
059736,000318: 04,3525 06001 RXOR LCHAN # RECEIVED BY THE UPDATE PROGRAM
059737,000319: 04,3526 54103 TS FLAGWRD7
059738,000320:
059739,000321: 04,3527 05353 TC PHASCHNG # SET RESTART GROUP 6 TO REDO THE UPDATE
059740,000322: 04,3530 04026 OCT 04026 # DATA STORE IF A RESTART OCCURS.
059741,000323: 04,3531 00004 INHINT # (BECAUSE PHASCHNG DID A RELINT)
059742,000324:
059743,000325: 04,3532 44752 CS TWO # GO TO UPFNDVAC IF INSTALL IS REQUIRED,
059744,000326: 04,3533 61172 AD UPVERB # THAT IS, IF IT'S A V70 - V72.
059745,000327: 04,3534 00006 EXTEND # GO TO UPEND73 IF IT'S A V73.
059746,000328: 04,3535 63544 BZMF UPFNDVAC
059747,000329:
059748,000330: # VERB 73 BRANCH
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Page 1392 |
059750,000332: 04,3536 00006 UPEND73 EXTEND # V73 - PERFORM DP OCTAL AGC CLOCK INCREMENT
059751,000333:
059752,000334: 04,3537 31175 DCA UPBUFF
059753,000335: 04,3540 53205 DXCH UPBUFF +8D
059754,000336: 04,3541 03567 TC TIMEDIDL
059755,000337: 04,3542 04364 TC FALTON # ERROR - TURN ON *OPERATOR ERROR* LIGHT
059756,000338: 04,3543 03712 TC UPOUT +1 # GO TO COMMON UPDATE PROGRAM EXIT
059757,000339:
059758,000340: 04,3544 34355 UPFNDVAC CAF CHRPRIO # (USE EXTENDED VERB PRIORITY)
059759,000341: 04,3545 05105 TC FINDVAC # GET VAC AREA FOR 'CALL INTSTALL'
059760,000342: 04,3546 E3,1706 EBANK= TEPHEM
059761,000343: 04,3546 03551 10103 2CADR UPJOB # (NOTE: THIS WILL ALSO SET EBANK FOR
059762,000344: 04,3550 05155 TC ENDOFJOB # 'TEPHEM' UPDATE BY V70)
059763,000345:
059764,000346: 04,3551 06037 UPJOB TC INTPRET # THIS COULD BE A STATE VECTOR UPDATE -- SO
059765,000347: 04,3552 77624 CALL # WAIT (PUT JOB TO SLEEP) IF ORBIT INT(OI)
059766,000348: 04,3553 27414 INTSTALL # IS IN PROGRESS -- OR -- GRAB OI AND RETURN
059767,000349: # TO UPWAKE IF OI IS NOT IN PROGRESS.
059768,000350:
059769,000351: 04,3554 77776 UPWAKE EXIT
059770,000352:
059771,000353: 04,3555 05353 TC PHASCHNG # RESTART PROTECT (GROUP 6)
059772,000354: 04,3556 04026 OCT 04026
059773,000355:
059774,000356: 04,3557 05504 TC UPFLAG # SET INTEGRATION RESTART BIT
059775,000357: 04,3560 00236 ADRES REINTFLG
059776,000358: 04,3561 00004 INHINT
059777,000359: 04,3562 UPPART3 EQUALS
059778,000360:
059779,000361: 04,3562 51172 INDEX UPVERB # BRANCH TO THE APPROPRIATE UPDATE VERB
059780,000362: 04,3563 13564 TCF +1 # ROUTINE TO ACTUALLY PERFORM THE UPDATE
059781,000363: 04,3564 13723 TCF UPEND70 # V70
059782,000364: 04,3565 13632 TCF UPEND71 # V71
059783,000365: 04,3566 13664 TCF UPEND72 # V72
059784,000366:
059785,000367: # ROUTINE TO INCREMENT CLOCK (TIME2,TIME1) WITH CONTENTS OF DP WORD AT UPBUFF.
059786,000368:
059787,000369: 04,3567 00006 TIMEDIDL EXTEND
059788,000370: 04,3570 23167 QXCH UPTEMP # SAVE Q FOR RETURN
059789,000371: 04,3571 34755 CAF ZERO # ZERO AND SAVE TIME2,TIME1
059790,000372: 04,3572 22007 ZL
059791,000373: 04,3573 52025 DXCH TIME2
059792,000374: 04,3574 53217 DXCH UPBUFF +18D # STORE IN CASE OF OVERFLOW
059793,000375:
059794,000376: 04,3575 34756 CAF UPDTPHAS # DO
059795,000377: 04,3576 54001 TS L # A
059796,000378: 04,3577 40000 COM # QUICK
059797,000379: 04,3600 52765 DXCH -PHASE6 # PHASCHNG
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Page 1393 |
059799,000381: 04,3601 00004 TIMEDIDR INHINT
059800,000382:
059801,000383: 04,3602 34755 CAF ZERO
059802,000384: 04,3603 22007 ZL # PICK UP INCREMENTER(AND ZERO
059803,000385: 04,3604 54156 TS MPAC +2 # IT IN CASE OF RESTARTS) AND
059804,000386: 04,3605 53205 DXCH UPBUFF +8D # STORE IT
059805,000387: 04,3606 52155 DXCH MPAC # INTO MPAC FOR TPAGREE.
059806,000388:
059807,000389: 04,3607 00006 EXTEND
059808,000390: 04,3610 31217 DCA UPBUFF +18D
059809,000391: 04,3611 20155 DAS MPAC # FORM SUM IN MPAC
059810,000392: 04,3612 00006 EXTEND
059811,000393: 04,3613 13622 BZF DELTAOK # TEST FOR OVERFLOW
059812,000394: 04,3614 34755 CAF ZERO
059813,000395: 04,3615 53217 DXCH UPBUFF +18D # OVERFLOW, RESTORE OLD VALUE OF CLOCK
059814,000396: 04,3616 20025 DAS TIME2 # AND TURN ON OPERATOR ERROR
059815,000397:
059816,000398: 04,3617 05353 TC PHASCHNG # RESTART PROTECT (GROUP 6)
059817,000399: 04,3620 04026 OCT 04026
059818,000400:
059819,000401: 04,3621 01167 TC UPTEMP # GO TO ERROR EXIT
059820,000402:
059821,000403: 04,3622 07257 DELTAOK TC TPAGREE # FORCE SIGN AGREEMENT
059822,000404: 04,3623 52155 DXCH MPAC
059823,000405: 04,3624 20025 DAS TIME2 # INCREMENT TIME2,TIME1
059824,000406:
059825,000407: 04,3625 05353 TC PHASCHNG # RESTART PROTECT (GROUP 6)
059826,000408: 04,3626 04026 OCT 04026
059827,000409:
059828,000410: 04,3627 00004 INHINT
059829,000411: 04,3630 51167 INDEX UPTEMP # (CODED THIS WAY FOR RESTART PROTECTION)
059830,000412: 04,3631 00001 TC 1 # NORMAL RETURN
059831,000413:
059832,000414: # VERB 71 BRANCH
059833,000415:
059834,000416: 04,3632 31175 UPEND71 CAE UPBUFF +1 # SET EBANK
059835,000417: 04,3633 54003 TS EBANK # AND
059836,000418: 04,3634 74357 MASK LOW8 # CALCULATE
059837,000419: 04,3635 55167 TS UPTEMP # S-REG VALUE OF RECEIVING AREA
059838,000420:
059839,000421: 04,3636 67745 AD NEG3 # IN THE PROCESS OF
059840,000422: 04,3637 61170 AD COMPNUMB # PERFORMING
059841,000423: 04,3640 00006 EXTEND # THIS UPDATE
059842,000424: 04,3641 13647 BZF STORLP71 # WILL WE
059843,000425: 04,3642 74743 MASK BIT9 # OVERFLOW
059844,000426: 04,3643 10000 CCS A # INTO THE NEXT EBANK....
059845,000427: 04,3644 13760 TCF UPERROUT # YES
059846,000428:
059847,000429: 04,3645 37745 CA NEG3 # NO - CALCULATE NUMBER OF
059848,000430: 04,3646 61170 AD COMPNUMB # WORDS TO BE STORED MINUS ONE
059849,000431: 04,3647 54154 STORLP71 TS MPAC # SAVE NO. OF WORDS REMAINING MINUS ONE
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Page 1394 |
059851,000433: 04,3650 50000 INDEX A # TAKE NEXT UPDATE WORD FROM
059852,000434: 04,3651 31176 CA UPBUFF +2 # UPBUFF AND
059853,000435:
059854,000436: 04,3652 54001 TS L # SAVE IT IN L
059855,000437: 04,3653 30154 CA MPAC # CALCULATE NEXT
059856,000438: 04,3654 61167 AD UPTEMP # RECEIVING ADDRESS
059857,000439: 04,3655 50000 INDEX A
059858,000440: 04,3656 E3,1400 EBANK= 1400
059859,000441: 04,3656 23400 LXCH 1400 # UPDATE THE REGISTER BY CONTENTS OF L
059860,000442: 04,3657 E3,1706 EBANK= TEPHEM
059861,000443: 04,3657 10154 CCS MPAC # ARE THERE ANY WORDS LEFT TO BE STORED
059862,000444: 04,3660 13647 TCF STORLP71 # YES
059863,000445: 04,3661 13711 TCF UPOUT # NO - THEN EXIT UPDATE PROGRAM
059864,000446: 04,3662 01173 ADUPBFM1 ADRES UPBUFF -1 # SAME AS ADUPBUFF BUT LESS 1 (DON'T MOVE)
059865,000447: 04,3663 13711 TCF UPOUT # NO - EXIT UPDATE (HERE WHEN COMPNUMB = 3)
059866,000448:
059867,000449: # VERB 72 BRANCH
059868,000450:
059869,000451: 04,3664 34753 UPEND72 CAF BIT1 # HAVE AN ODD NO. OF COMPONENTS
059870,000452: 04,3665 71170 MASK COMPNUMB # BEEN SENT FOR A V72 UPDATE ...
059871,000453: 04,3666 10000 CCS A
059872,000454: 04,3667 13671 TCF +2 # YES
059873,000455: 04,3670 13760 TCF UPERROUT # ERROR - SHOULD BE ODD NO. OF COMPONENTS
059874,000456: 04,3671 44752 CS BIT2
059875,000457: 04,3672 61170 AD COMPNUMB
059876,000458: 04,3673 54154 LDLOOP72 TS MPAC # NOW PERFORM THE UPDATE
059877,000459: 04,3674 50000 INDEX A
059878,000460: 04,3675 31175 CAE UPBUFF +1 # PICK UP NEXT UPDATE WORD
059879,000461: 04,3676 22000 LXCH A
059880,000462: 04,3677 10154 CCS MPAC # SET POINTER TO ECADR (MUST BE CCS)
059881,000463: 04,3700 54154 TS MPAC
059882,000464: 04,3701 50000 INDEX A
059883,000465: 04,3702 31175 CAE UPBUFF +1 # PICK UP NEXT ECADR OF REG TO BE UPDATED
059884,000466: 04,3703 54003 TS EBANK # SET EBANK
059885,000467: 04,3704 74357 MASK LOW8 # ISOLATE RELATIVE ADDRESS
059886,000468: 04,3705 50000 INDEX A
059887,000469: 04,3706 E3,1400 EBANK= 1400
059888,000470: 04,3706 23400 LXCH 1400 # UPDATE THE REGISTER BY CONTENTS OF L
059889,000471: 04,3707 E3,1706 EBANK= TEPHEM
059890,000472: 04,3707 10154 CCS MPAC # ARE WE THROUGH THE V72 UPDATE...
059891,000473: 04,3710 13673 TCF LDLOOP72 # NO
059892,000474:
059893,000475: # NORMAL FINISH OF P27
059894,000476:
059895,000477: 04,3711 UPOUT EQUALS
059896,000478: 04,3711 03165 TC INTWAKEU # RELEASE GRAB OF ORBITAL INTEGRATION
059897,000479: 04,3712 31171 +1 CAE UPOLDMOD # RESTORE PRIOR P27 MODE
059898,000480: 04,3713 05314 TC NEWMODEX +3
059899,000481: 04,3714 34755 CAF ZERO
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Page 1395 |
059901,000483: 04,3715 54332 TS DNLSTCOD
059902,000484: 04,3716 03765 TC UPACTOFF # TURN OFF 'UPLINK ACTIVITY' LIGHT
059903,000485:
059904,000486: 04,3717 00006 EXTEND # KILL GROUP 6.
059905,000487: 04,3720 34755 DCA NEG0
059906,000488: 04,3721 52765 DXCH -PHASE6
059907,000489:
059908,000490: 04,3722 05472 TC ENDEXT # EXTENDED VERB EXIT
059909,000491:
059910,000492: # VERB 70 BRANCH
059911,000493:
059912,000494: 04,3723 00006 UPEND70 EXTEND # V70 DOES THE FOLLOWING WITH DP DELTA
059913,000495: 04,3724 41175 DCS UPBUFF # TIME IN UPBUFF
059914,000496: 04,3725 53205 DXCH UPBUFF +8D
059915,000497: 04,3726 03567 TC TIMEDIDL # DECREMENT AGC CLOCK
059916,000498:
059917,000499: 04,3727 03760 TC UPERROUT # ERROR WHILE DECREMENTING CLOCK -- EXIT
059918,000500:
059919,000501: 04,3730 E3,1706 EBANK= TEPHEM
059920,000502: 04,3730 00006 EXTEND
059921,000503: 04,3731 41175 DCS UPBUFF # COPY DECREMENTERS FOR
059922,000504: 04,3732 53207 DXCH UPBUFF +10D # RESTART PROTECTION
059923,000505: 04,3733 00006 EXTEND
059924,000506: 04,3734 41175 DCS UPBUFF
059925,000507: 04,3735 53211 DXCH UPBUFF +12D
059926,000508:
059927,000509: 04,3736 05353 TC PHASCHNG # RESTART PROTECT (GROUP 6)
059928,000510: 04,3737 04026 OCT 04026
059929,000511:
059930,000512: 04,3740 34755 CAF ZERO
059931,000513: 04,3741 22007 ZL
059932,000514: 04,3742 53207 DXCH UPBUFF +10D # DECREMENT CSM STATE VECTOR TIME
059933,000515: 04,3743 21571 DAS TETCSM
059934,000516:
059935,000517: 04,3744 34755 CAF ZERO
059936,000518: 04,3745 22007 ZL
059937,000519: 04,3746 53211 DXCH UPBUFF +12D # DECREMENT LEM STATE VECTOR TIME
059938,000520: 04,3747 21643 DAS TETLEM
059939,000521:
059940,000522: 04,3750 34755 CAF ZERO
059941,000523: 04,3751 22007 ZL
059942,000524: 04,3752 53175 DXCH UPBUFF
059943,000525: 04,3753 21710 DAS TEPHEM +1 # INCREMENT TP TEPHEM
059944,000526: 04,3754 27706 ADS TEPHEM
059945,000527:
059946,000528: 04,3755 05353 TC PHASCHNG # RESTART PROTECT (GROUP 6)
059947,000529: 04,3756 04026 OCT 04026
059948,000530:
059949,000531: 04,3757 1174 EBANK= UPBUFF
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Page 1396 |
059951,000533: 04,3757 03711 TC UPOUT # GO TO STANDARD UPDATE PROGRAM EXIT
059952,000534:
059953,000535:
059954,000536: # ERROR SEQUENCE
059955,000537:
059956,000538: 04,3760 04364 UPERROUT TC FALTON # TURN ON *OPERATOR ERROR* LIGHT
059957,000539: 04,3761 13711 TCF UPOUT # GO TO COMMON UPDATE PROGRAM EXIT
059958,000540:
059959,000541: 04,3762 04364 +2 TC FALTON # TURN ON 'OPERATOR ERROR' LIGHT
059960,000542: 04,3763 03765 TC UPACTOFF # TURN OFF 'UPLINK ACTIVITY' LIGHT
059961,000543: 04,3764 05472 TC ENDEXT # EXTENDED VERB EXIT
059962,000544: # (THE PURPOSE OF UPERROUT +2 EXIT IS
059963,000545: # TO PROVIDE AN ERROR EXIT WHICH DOES NOT
059964,000546: # RESET ANY RESTART GROUPS)
059965,000547:
059966,000548: # :UPACTOFF: IS A ROUTINE TO TURN OFF UPLINK ACTIVITY LIGHT ON ALL EXITS FROM UPDATE PROGRAM (P27).
059967,000549:
059968,000550: 04,3765 44751 UPACTOFF CS BIT3
059969,000551: 04,3766 00006 EXTEND # TURN OFF UPLINK ACTIVITY LIGHT
059970,000552: 04,3767 03011 WAND DSALMOUT # (BIT 3 OF CHANNEL 11)
059971,000553: 04,3770 00002 TC Q
059972,000554:
End of include-file UPDATE_PROGRAM.agc. Parent file is MAIN.agc