Source Code
![]() |
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 16:27 JULY 14,1969Note that the date is the date of the printout, not the date of the program revision. |
059440,000002: ## Copyright: Public domain.
059441,000003: ## Filename: UPDATE_PROGRAM.agc
059442,000004: ## Purpose: Part of the source code for Luminary 1A build 099.
059443,000005: ## It is part of the source code for the Lunar Module's (LM)
059444,000006: ## Apollo Guidance Computer (AGC), for Apollo 11.
059445,000007: ## Assembler: yaYUL
059446,000008: ## Contact: Ron Burkey <info@sandroid.org>.
059447,000009: ## Website: www.ibiblio.org/apollo.
059448,000010: ## Pages: 1386-1396
059449,000011: ## Mod history: 2009-05-10 SN (Sergio Navarro). Started adapting
059450,000012: ## from the Luminary131/ file of the same
059451,000013: ## name, using Luminary099 page images.
059452,000014: ## 2009-06-07 RSB Added an SBANK= to account for incompatibilities
059453,000015: ## between YUL and yaYUL.
059454,000016: ## 2011-01-06 JL Fixed pseudo-label indentation.
059455,000017: ## 2011-05-07 JL Flag SBANK= workaround.
059456,000018: ## 2016-12-18 RSB Proofed text comments with octopus/ProoferComments
059457,000019: ## and corrected the errors found.
059458,000020: ## 2017-01-28 RSB Comment-text fixes identified for Luminary 69.
059459,000021: ## 2017-02-09 RSB Comment-text fixes identified for Artemis 72.
059460,000022: ## 2017-03-14 RSB Comment-text fixes noted in proofing Luminary 116.
059461,000023: ## 2017-03-16 RSB Comment-text fixes identified in 5-way
059462,000024: ## side-by-side diff of Luminary 69/99/116/131/210.
059463,000025: ## 2017-06-17 MAS Globally removed all SBANK= workarounds.
059464,000026: ## 2021-05-30 ABS DELTAOK -> DELTATOK
059465,000027:
059466,000028: ## This source code has been transcribed or otherwise adapted from
059467,000029: ## digitized images of a hardcopy from the MIT Museum. The digitization
059468,000030: ## was performed by Paul Fjeld, and arranged for by Deborah Douglas of
059469,000031: ## the Museum. Many thanks to both. The images (with suitable reduction
059470,000032: ## in storage size and consequent reduction in image quality as well) are
059471,000033: ## available online at www.ibiblio.org/apollo. If for some reason you
059472,000034: ## find that the images are illegible, contact me at info@sandroid.org
059473,000035: ## about getting access to the (much) higher-quality images which Paul
059474,000036: ## actually created.
059475,000037: ##
059476,000038: ## Notations on the hardcopy document read, in part:
059477,000039: ##
059478,000040: ## Assemble revision 001 of AGC program LMY99 by NASA 2021112-61
059479,000041: ## 16:27 JULY 14, 1969
059480,000042:
![]() |
Page 1386 |
059482,000044: # PROGRAM NAME: P27
059483,000045: # WRITTEN BY: KILROY/ DE WOLF
059484,000046:
059485,000047: # MOD NO: 6
059486,000048: # MOD BY: KILROY
059487,000049: # DATE: 01DEC67
059488,000050:
059489,000051: # LOG SECTION: UPDATE PROGRAM.
059490,000052:
059491,000053: # FUNCT. DESCR: P27 (THE UPDATE PROGRAM) PROCESSES COMMANDS AND DATA
059492,000054: # INSERTIONS REQUESTED BY THE GROUND VIA UPLINK.
059493,000055: # THE P27 PROGRAM WILL ACCEPT UPDATES
059494,000056: # ONLY DURING P00 FOR THE LM, AND ONLY DURING P00,
059495,000057: # P02, AND FRESH START FOR THE CSM
059496,000058:
059497,000059: # CALLING SEQ: PROGRAM IS INITIATED BY UPLINK ENTRY OF VERBS 70, 71, 72 AND 73.
059498,000060:
059499,000061: # SUBROUTINES: TESTXACT, NEWMODEX, NEWMODEX +3, GOXDSPF, BANKCALL, FINDVAC, INTPRET, INTSTALL, TPAGREE,
059500,000062: # INTWAKEU, ENDEXT, POSTJUMP, FALTON, NEWPHASE, PHASCHNG
059501,000063:
059502,000064: # NORMAL EXIT: TC ENDEXT
059503,000065:
059504,000066: # ALARM/ABORT: TC FALTON FOLLOWED BY TC ENDEXT
059505,000067:
059506,000068: # RESTARTS: P27 IS RESTART PROTECTED IN TWO WAYS ...
059507,000069: # 1. PRIOR TO VERIFLAG INVERSION (WHICH IS CAUSED BY THE GROUND/ASTRONAUT'S VERIFICATION OF UPDATE
059508,000070: # DATA BY SENDING A V33E WHEN V21N02 IS FLASHING)---
059509,000071: # NO PROTECTION EXCEPT PRE-P27 MODE IS RESTORED, COAST + ALIGN DOWNLIST IS SELECTED AND UPLINK
059510,000072: # ACTIVITY LIGHT IS TURNED OFF. (JUST AS IF A V34E WAS SENT DURING P27 DATA LOADS).
059511,000073: # V70,V71,V72 OR V73 WILL HAVE TO BE COMPLETELY RESENT BY USER.
059512,000074: # 2. AFTER VERIFLAG INVERSION (WHEN UPDATE OF THE SPECIFIED ERASABLES IS BEING PERFORMED)---
059513,000075: # PROTECTED AGAINST RESTARTS.
059514,000076:
059515,000077: # DEBRIS: UPBUFF (20D) TEMP STORAGE FOR ADDRESSES AND CONTENTS.
059516,000078: # UPVERB (1) VERB NUMBER MINUS 70D (E.G. FOR V72, UPVERB = 72D - 70D = 2)
059517,000079: # UPOLDMOD(1) FOR MAJOR MODE INTERRUPTED BY P27.
059518,000080: # COMPNUMB(1) TOTAL NUMBER OF COMPONENTS TO BE TRANSMITTED.
059519,000081: # UPCOUNT (1) ACTUAL NUMBER OF COMPONENTS RECEIVED.
059520,000082: # UPTEMP (1) SCRATCH, BUT USUALLY CONTAINS COMPONENT NUMBER TO BE CHANGED DURING VERIFY CYCLE
059521,000083:
059522,000084: # INPUT:
059523,000085:
059524,000086: # ENTRY: DESCRIPTION
059525,000087: # V70EXXXXXEXXXXXE (LIFTOFF TIME INCREMENT) DOUBLE PRECISION OCTAL TIME INCREMENT, XXXXX XXXXX,
059526,000088: # IS ADDED TO TEPHEM, SUBTRACTED FROM AGC CLOCK(TIME2,TIME1), SUBTRACTED FROM CSM STATE
059527,000089: # VECTOR TIME(TETCSM) AND SUBTRACTED FROM LEM STATE VECTOR TIME(TETLEM).
059528,000090: # THE DP OCTAL TIME INCREMENT IS SCALED AT 2(28).
![]() |
Page 1387 |
059530,000092: # V71EIIEAAAAE (CONTIGUOUS BLOCK UPDATE) II-2 OCTAL COMPONENTS, XXXXX,
059531,000093: # XXXXXE ARE LOADED INTO ERASABLE STARTING AT ECADR, AAAA.
059532,000094: # XXXXXE IT IS .GE. 3 .AND. .LE. 20D.,
059533,000095: # AND (AAAA + II -3) DOES NOT PRODUCE AN ADDRESS IN THE
059534,000096: # 9 NEXT BANK
059535,000097: # . SCALING IS SAME AS INTERNAL REGISTERS.
059536,000098: # V72EIIE (SCATTER UPDATE) (II-1)/2 OCTAL COMPONENTS, XXXXX, ARE
059537,000099: # AAAAEXXXXXE LOADED INTO ERASABLE LOCATIONS, AAAA.
059538,000100: # AAAAEXXXXXE II IS .GE. 3 .AND. .LE. 19D, AND MUST BE ODD.
059539,000101: # . SCALING IS SAME AS INTERNAL REGISTERS.
059540,000102:
059541,000103: # V73EXXXXXEXXXXXE (OCTAL CLOCK INCREMENT) DOUBLE PRECISION OCTAL TIME
059542,000104: # INCREMENT XXXXX XXXXX, IS ADDED TO THE AGC CLOCK, IN
059543,000105: # CENTISECONDS SCALED AT (2)28.
059544,000106: # THIS LOAD IS THE OCTAL EQUIVALENT OF V55.
059545,000107:
059546,000108: # OUTPUT: IN ADDITION TO THE ABOVE REGISTER LOADS, ALL UPDATES
059547,000109: # COMPLEMENT BIT3 OF FLAGWORD7.
059548,000110:
059549,000111: # ADDITIONAL NOTES: VERB 71, JUST DEFINED ABOVE WILL BE USED TO PERFORM BUT NOT LIMITED TO THE FOLLOWING UPDATES --
059550,000112: # 1. CSM/LM STATE VECTOR UPDATE
059551,000113: # 2. REFSMMAT UPDATE
059552,000114:
059553,000115: # THE FOLLOWING COMMENTS DELINEATE EACH SPECIAL UPDATE ----
059554,000116:
059555,000117: # 1. CSM/LM STATE VECTOR UPDATE (ALL DATA ENTRIES IN OCTAL)
059556,000118: # ENTRIES: DATA DEFINITION: SCALE FACTORS:
059557,000119: # V71E CONTIGUOUS BLOCK UPDATE VERB
059558,000120: # 21E NUMBER OF COMPONENTS FOR STATE VECTOR UPDATE
059559,000121: # AAAAE ECADR OF 'UPSVFLAG'
059560,000122: # XXXXXE STATE VECTOR IDENTIFIER: 00001 FOR CSM, 77776 FOR LEM - EARTH SPHERE OF INFLUENCE SCALING
059561,000123: # 00002 FOR CSM, 77775 FOR LEM - LUNAR SPHERE OF INFLUENCE SCALING
059562,000124: # XXXXXEXXXXXE X POSITION
059563,000125: # XXXXXEXXXXXE Y POSITION
059564,000126: # XXXXXEXXXXXE Z POSITION
059565,000127: # XXXXXEXXXXXE X VELOCITY
059566,000128: # XXXXXEXXXXXE Y VELOCITY
059567,000129: # XXXXXEXXXXXE Z VELOCITY
059568,000130: # XXXXXEXXXXXE TIME FROM AGC CLOCK ZERO
059569,000131: # V33E VERB 33 TO SIGNAL THAT THE STATE VECTOR IS READY TO BE STORED.
059570,000132:
059571,000133: # 2. REFSMMAT (ALL DATA ENTRIES IN OCTAL)
059572,000134: # ENTRIES: DATA DEFINITIONS: SCALE FACTORS:
![]() |
Page 1388 |
059574,000136: # V71E CONTIGUOUS BLOCK UPDATE VERB
059575,000137: # 24E NUMBER OF COMPONENTS FOR REFSMMAT UPDATE
059576,000138: # AAAAE ECADR OF 'REFSMMAT'
059577,000139: # XXXXXEXXXXXE ROW 1 COLUMN 1 2(-1)
059578,000140: # XXXXXEXXXXXE ROW 1 COLUMN 2 2(-1)
059579,000141: # XXXXXEXXXXXE ROW 1 COLUMN 3 2(-1)
059580,000142: # XXXXXEXXXXXE ROW 2 COLUMN 1 2(-1)
059581,000143: # XXXXXEXXXXXE ROW 2 COLUMN 2 2(-1)
059582,000144: # XXXXXEXXXXXE ROW 2 COLUMN 3 2(-1)
059583,000145: # XXXXXEXXXXXE ROW 3 COLUMN 1 2(-1)
059584,000146: # XXXXXEXXXXXE ROW 3 COLUMN 2 2(-1)
059585,000147: # XXXXXEXXXXXE ROW 3 COLUMN 3 2(-1)
059586,000148: # V33E VERB 33 TO SIGNAL THAT REFSMMAT IS READY TO BE STORED.
059587,000149:
059588,000150:
059589,000151:
059590,000152: 07,3773 BANK 07
059591,000153: 43,2000 SETLOC EXTVERBS
059592,000154: 43,2000 BANK
059593,000155:
059594,000156: 43,3724 E3,1706 EBANK= TEPHEM
059595,000157:
059596,000158: 43,3724 COUNT* $$/P27
059597,000159: 43,3724 34755 V70UPDAT CAF UP70 # COMES HERE ON V70E
059598,000160: 43,3725 13733 TCF V73UPDAT +1
059599,000161:
059600,000162: 43,3726 34753 V71UPDAT CAF UP71 # COMES HERE ON V71E
059601,000163: 43,3727 13733 TCF V73UPDAT +1
059602,000164:
059603,000165: 43,3730 34752 V72UPDAT CAF UP72 # COMES HERE ON V72E
059604,000166: 43,3731 13733 TCF V73UPDAT +1
059605,000167:
059606,000168: 43,3732 36245 V73UPDAT CAF UP73 # COMES HERE ON V73E
059607,000169:
059608,000170: 43,3733 55166 +1 TS UPVERBSV # SAVE UPVERB UNTIL IT'S OK TO ENTER P27
059609,000171:
059610,000172: 43,3734 02076 TC TESTXACT # GRAB DISPLAY IF AVAILABLE, OTHERWISE
059611,000173: # TURN*OPERATOR ERROR* ON AND TERMINATEJOB
059612,000174:
059613,000175: 43,3735 31011 CA MODREG # CHECK IF UPDATE ALLOWED
059614,000176: 43,3736 00006 EXTEND # FIRST CHECK FOR MODREG = +0, -0
059615,000177: 43,3737 13742 BZF +3 # (+0 = P00, -0 = FRESHSTART)
059616,000178: 43,3740 04635 UPERROR TC POSTJUMP # TURN ON 'OPERATOR ERROR' LIGHT
059617,000179: 43,3741 11762 CADR UPERROUT +2 # GO TO COMMON UPDATE PROGRAM EXIT
059618,000180:
059619,000181: 43,3742 31011 CAE MODREG # UPDATE ALLOWED.
059620,000182: 43,3743 43,3740 CKMDMORE = UPERROR
059621,000183: 43,3743 55171 TS UPOLDMOD # SAVE CURRENT MAJOR MODE
![]() |
Page 1389 |
059623,000185: 43,3744 31166 CAE UPVERBSV # SET UPVERB TO INDICATE TO P27
059624,000186:
059625,000187: 43,3745 55172 TS UPVERB # WHICH EXTENDED VERB CALLED IT.
059626,000188:
059627,000189: 43,3746 34753 CAF ONE
059628,000190: 43,3747 55173 TS UPCOUNT # INITIALIZE UPCOUNT TO 1
059629,000191:
059630,000192: 43,3750 04635 TC POSTJUMP # LEAVE EXTENDED VERB BANK AND
059631,000193: 43,3751 11401 CADR UPPART2 # GO TO UPDATE PROGRAM (P27) BANK.
059632,000194:
059633,000195: 43,3752 4755 UP70 EQUALS ZERO
059634,000196: 43,3752 4753 UP71 EQUALS ONE
059635,000197: 43,3752 4752 UP72 EQUALS TWO
059636,000198: 43,3752 6245 UP73 EQUALS THREE
059637,000199:
059638,000200: 04,3401 BANK 04
059639,000201: 04,2000 SETLOC UPDATE2
059640,000202: 04,2000 BANK
059641,000203:
059642,000204: 04,3401 COUNT* $$/P27
059643,000205:
059644,000206: 04,3401 UPPART2 EQUALS # UPDATE PROGRAM - PART 2
059645,000207:
059646,000208: 04,3401 05353 TC PHASCHNG # SET RESTART GROUP 6 TO RESTORE OLD MODE
059647,000209: 04,3402 07026 OCT 07026 # AND DOWNLIST AND EXIT IF RESTART OCCURS.
059648,000210: 04,3403 30000 OCT 30000 # PRIORITY SAME AS CHRPRIO
059649,000211: 04,3404 1174 EBANK= UPBUFF
059650,000212: 04,3404 03712 10102 2CADR UPOUT +1
059651,000213:
059652,000214: 04,3406 34753 CAF ONE
059653,000215: 04,3407 54332 TS DNLSTCOD # DOWNLIST
059654,000216:
059655,000217: 04,3410 05311 TC NEWMODEX # SET MAJOR MODE = 27
059656,000218: 04,3411 00033 DEC 27 B-14
059657,000219:
059658,000220: 04,3412 51172 INDEX UPVERB # BRANCH DEPENDING ON WHETHER THE UPDATE
059659,000221: 04,3413 13414 TCF +1 # VERB REQUIRES A FIXED OR VARIABLE NUMBER
059660,000222: 04,3414 13417 TCF +3 # V70 FIXED. (OF COMPONENTS.
059661,000223: 04,3415 13422 TCF OHWELL1 # V71 VARIABLE - GO GET NO. OF COMPONENTS
059662,000224: 04,3416 13422 TCF OHWELL1 # V72 VARIABLE - GO GET NO. OF COMPONENTS
059663,000225: 04,3417 34752 CA TWO # V73 (AND V70) FIXED
059664,000226: 04,3420 55170 TS COMPNUMB # SET NUMBER OF COMPONENTS TO 2.
059665,000227: 04,3421 13445 TCF OHWELL2 # GO GET THE TWO UPDATE COMPONENTS
059666,000228:
059667,000229: 04,3422 33515 OHWELL1 CAF ADUPBUFF # * REQUEST USER TO SEND NUMBER *
059668,000230: 04,3423 54156 TS MPAC +2 # * OF COMPONENTS PARAMETER(II).*
059669,000231: 04,3424 33516 +2 CAF UPLOADNV # (CK4V32 RETURNS HERE IF V32 ENCOUNTERED)
059670,000232: 04,3425 04616 TC BANKCALL # DISPLAY A FLASHING V21N01
![]() |
Page 1390 |
059672,000234: 04,3426 20334 CADR GOXDSPF # TO REQUEST II.
059673,000235:
059674,000236: 04,3427 13712 TCF UPOUT4 # V34 TERMINATE UPDATE (P27) RETURN
059675,000237: 04,3430 13424 TCF OHWELL1 +2
059676,000238: 04,3431 03506 TC CK4V32 # DATA OR V32 RETURN
059677,000239: 04,3432 44752 CS BIT2
059678,000240: 04,3433 61174 AD UPBUFF # IS II (NUMBER OF COMPONENTS PARAMETER)
059679,000241: 04,3434 00006 EXTEND # .GE. 3 AND .LE. 20D.
059680,000242: 04,3435 63424 BZMF OHWELL1 +2
059681,000243: 04,3436 41174 CS UPBUFF
059682,000244: 04,3437 64362 AD UP21
059683,000245: 04,3440 00006 EXTEND
059684,000246: 04,3441 63424 BZMF OHWELL1 +2
059685,000247: 04,3442 31174 CAE UPBUFF
059686,000248: 04,3443 55170 TS COMPNUMB # SAVE II IN COMPNUMB
059687,000249:
059688,000250: # UPBUFF LOADING SEQUENCE
059689,000251:
059690,000252: 04,3444 25173 INCR UPCOUNT # INCREMENT COUNT OF COMPONENTS RECEIVED.
059691,000253: 04,3445 33662 OHWELL2 CAF ADUPBFM1 # CALCULATE LOCATION (ECADR) IN UPBUFF
059692,000254: 04,3446 61173 AD UPCOUNT # WHERE NEXT COMPONENT SHOULD BE STORED.
059693,000255: 04,3447 54156 +2 TS MPAC +2 # PLACE ECADR INTO R3.
059694,000256: 04,3450 33516 +3 CAF UPLOADNV # (CK4V32 RETURNS HERE IF V32 ENCOUNTERED)
059695,000257: 04,3451 04616 TC BANKCALL # DISPLAY A FLASHING V21N01
059696,000258: 04,3452 20334 CADR GOXDSPF # TO REQUEST DATA.
059697,000259: 04,3453 13712 TCF UPOUT4 # V34 TERMINATE UPDATE (P27) RETURN.
059698,000260: 04,3454 13450 TCF OHWELL2 +3 # V33 PROCEED RETURN
059699,000261: 04,3455 03506 TC CK4V32 # DATA OR V32 RETURN
059700,000262: 04,3456 41173 CS UPCOUNT # HAVE WE FINISHED RECEIVING ALL
059701,000263: 04,3457 61170 AD COMPNUMB # THE DATA WE EXPECTED.
059702,000264: 04,3460 00006 EXTEND
059703,000265: 04,3461 63463 BZMF UPVERIFY # YES - GO TO VERIFICATION SEQUENCE
059704,000266: 04,3462 13444 TCF OHWELL2 -1 # NO - REQUEST ADDITIONAL DATA.
059705,000267:
059706,000268: # VERIFY SEQUENCE
059707,000269:
059708,000270: 04,3463 33514 UPVERIFY CAF ADUPTEMP # PLACE ECADR WHERE COMPONENT NO. INDEX
059709,000271: 04,3464 54156 TS MPAC +2 # IS TO BE STORED INTO R3.
059710,000272: 04,3465 33517 CAF UPVRFYNV # (CK4V32 RETURNS HERE IF V32 ENCOUNTERED)
059711,000273: 04,3466 04616 TC BANKCALL # DISPLAY A FLASHING V21N02 TO REQUEST
059712,000274: 04,3467 20334 CADR GOXDSPF # DATA CORRECTION OR VERIFICATION.
059713,000275: 04,3470 13712 TCF UPOUT4 # V34 TERMINATE UPDATE (P27) RETURN
059714,000276: 04,3471 13520 TCF UPSTORE # V33 DATA SENT IS GOOD. GO STORE IT.
059715,000277: 04,3472 03506 TC CK4V32 # COMPONENT NO. INDEX OR V32 RETURN
059716,000278: 04,3473 31167 CA UPTEMP # DOES THE COMPONENT NO. INDEX JUST SENT
059717,000279: 04,3474 00006 EXTEND # SPECIFY A LEGAL COMPONENT NUMBER?
059718,000280: 04,3475 63463 BZMF UPVERIFY # NO, IT IS NOT POSITIVE NONZERO
059719,000281: 04,3476 41167 CS UPTEMP
059720,000282: 04,3477 61170 AD COMPNUMB
![]() |
Page 1391 |
059722,000284: 04,3500 64753 AD BIT1
059723,000285: 04,3501 00006 EXTEND
059724,000286: 04,3502 63463 BZMF UPVERIFY # NO
059725,000287: 04,3503 33662 CAF ADUPBFM1 # YES - BASED ON THE COMPONENT NO. INDEX
059726,000288: 04,3504 61167 AD UPTEMP # CALCULATE THE ECADR OF LOCATION IN
059727,000289: 04,3505 13447 TCF OHWELL2 +2 # UPBUFF WHICH USER WANTS TO CHANGE.
059728,000290:
059729,000291: 04,3506 04,3712 UPOUT4 EQUALS UPOUT +1 # COMES HERE ON V34 TO TERMINATE UPDATE
059730,000292:
059731,000293: # CHECK FOR VERB 32 SEQUENCE
059732,000294:
059733,000295: 04,3506 40154 CK4V32 CS MPAC # ON DATA RETURN FROM 'GOXDSPF'
059734,000296: 04,3507 74746 MASK BIT6 # ON DATA RETURN FROM "GOXDSP" & THE CON-
059735,000297: 04,3510 10000 CCS A # TENTS OF MPAC = VERB. SO TEST FOR V32.
059736,000298: 04,3511 00002 TC Q # IT'S NOT A V32, IT'S DATA. PROCEED.
059737,000299: 04,3512 50002 INDEX Q
059738,000300: 04,3513 77771 TC 0 -6 # V32 ENCOUNTERED - GO BACK AND GET DATA
059739,000301:
059740,000302: 04,3514 01167 ADUPTEMP ADRES UPTEMP # ADDRESS OF TEMP STORAGE FOR CORRECTIONS
059741,000303: 04,3515 01174 ADUPBUFF ADRES UPBUFF # ADDRESS OF UPDATE DATA STORAGE BUFFER
059742,000304: 04,3516 05201 UPLOADNV VN 2101 # VERB 21 NOUN 01
059743,000305: 04,3517 05202 UPVRFYNV VN 2102 # VERB 21 NOUN 02
059744,000306: 04,3520 4362 UP21 = MD1 # DEC 21 = MAX NO OF COMPONENTS +1
059745,000307: 04,3520 4756 UPDTPHAS EQUALS FIVE
059746,000308:
059747,000309: # PRE-STORE AND FAN TO APPROPRIATE BRANCH SEQUENCE
059748,000310:
059749,000311: 04,3520 UPSTORE EQUALS # GROUND HAS VERIFIED UPDATE. STORE DATA.
059750,000312:
059751,000313: 04,3520 00004 INHINT
059752,000314:
059753,000315: 04,3521 30103 CAE FLAGWRD7 # INVERT VERIFLAG (BIT 3 OF FLAGWRD7) TO
059754,000316: 04,3522 56001 XCH L # INDICATE TO THE GROUND (VIA DOWNLINK)
059755,000317: 04,3523 34751 CAF VERIFBIT # THAT THE V33 (WHICH THE GROUND SENT TO
059756,000318: 04,3524 00006 EXTEND # VERIFY THE UPDATE) HAS BEEN SUCCESSFULLY
059757,000319: 04,3525 06001 RXOR LCHAN # RECEIVED BY THE UPDATE PROGRAM
059758,000320: 04,3526 54103 TS FLAGWRD7
059759,000321:
059760,000322: 04,3527 05353 TC PHASCHNG # SET RESTART GROUP 6 TO REDO THE UPDATE
059761,000323: 04,3530 04026 OCT 04026 # DATA STORE IF A RESTART OCCURS.
059762,000324: 04,3531 00004 INHINT # (BECAUSE PHASCHNG DID A RELINT)
059763,000325:
059764,000326: 04,3532 44752 CS TWO # GO TO UPFNDVAC IF INSTALL IS REQUIRED,
059765,000327: 04,3533 61172 AD UPVERB # THAT IS, IF IT'S A V70 - V72.
059766,000328: 04,3534 00006 EXTEND # GO TO UPEND73 IF IT'S A V73.
059767,000329: 04,3535 63544 BZMF UPFNDVAC
059768,000330:
059769,000331: # VERB 73 BRANCH
![]() |
Page 1392 |
059771,000333: 04,3536 00006 UPEND73 EXTEND # V73 - PERFORM DP OCTAL AGC CLOCK INCREMENT
059772,000334:
059773,000335: 04,3537 31175 DCA UPBUFF
059774,000336: 04,3540 53205 DXCH UPBUFF +8D
059775,000337: 04,3541 03567 TC TIMEDIDL
059776,000338: 04,3542 04364 TC FALTON # ERROR - TURN ON *OPERATOR ERROR* LIGHT
059777,000339: 04,3543 03712 TC UPOUT +1 # GO TO COMMON UPDATE PROGRAM EXIT
059778,000340:
059779,000341: 04,3544 34355 UPFNDVAC CAF CHRPRIO # (USE EXTENDED VERB PRIORITY)
059780,000342: 04,3545 05105 TC FINDVAC # GET VAC AREA FOR 'CALL INTSTALL'
059781,000343: 04,3546 E3,1706 EBANK= TEPHEM
059782,000344: 04,3546 03551 10103 2CADR UPJOB # (NOTE: THIS WILL ALSO SET EBANK FOR
059783,000345: 04,3550 05155 TC ENDOFJOB # 'TEPHEM' UPDATE BY V70)
059784,000346:
059785,000347: 04,3551 06037 UPJOB TC INTPRET # THIS COULD BE A STATE VECTOR UPDATE -- SO
059786,000348: 04,3552 77624 CALL # WAIT (PUT JOB TO SLEEP) IF ORBIT INT(OI)
059787,000349: 04,3553 27414 INTSTALL # IS IN PROGRESS -- OR -- GRAB OI AND RETURN
059788,000350: # TO UPWAKE IF OI IS NOT IN PROGRESS.
059789,000351:
059790,000352: 04,3554 77776 UPWAKE EXIT
059791,000353:
059792,000354: 04,3555 05353 TC PHASCHNG # RESTART PROTECT (GROUP 6)
059793,000355: 04,3556 04026 OCT 04026
059794,000356:
059795,000357: 04,3557 05504 TC UPFLAG # SET INTEGRATION RESTART BIT
059796,000358: 04,3560 00236 ADRES REINTFLG
059797,000359: 04,3561 00004 INHINT
059798,000360: 04,3562 UPPART3 EQUALS
059799,000361:
059800,000362: 04,3562 51172 INDEX UPVERB # BRANCH TO THE APPROPRIATE UPDATE VERB
059801,000363: 04,3563 13564 TCF +1 # ROUTINE TO ACTUALLY PERFORM THE UPDATE
059802,000364: 04,3564 13723 TCF UPEND70 # V70
059803,000365: 04,3565 13632 TCF UPEND71 # V71
059804,000366: 04,3566 13664 TCF UPEND72 # V72
059805,000367:
059806,000368: # ROUTINE TO INCREMENT CLOCK (TIME2,TIME1) WITH CONTENTS OF DP WORD AT UPBUFF.
059807,000369:
059808,000370: 04,3567 00006 TIMEDIDL EXTEND
059809,000371: 04,3570 23167 QXCH UPTEMP # SAVE Q FOR RETURN
059810,000372: 04,3571 34755 CAF ZERO # ZERO AND SAVE TIME2,TIME1
059811,000373: 04,3572 22007 ZL
059812,000374: 04,3573 52025 DXCH TIME2
059813,000375: 04,3574 53217 DXCH UPBUFF +18D # STORE IN CASE OF OVERFLOW
059814,000376:
059815,000377: 04,3575 34756 CAF UPDTPHAS # DO
059816,000378: 04,3576 54001 TS L # A
059817,000379: 04,3577 40000 COM # QUICK
059818,000380: 04,3600 52765 DXCH -PHASE6 # PHASCHNG
![]() |
Page 1393 |
059820,000382: 04,3601 00004 TIMEDIDR INHINT
059821,000383:
059822,000384: 04,3602 34755 CAF ZERO
059823,000385: 04,3603 22007 ZL # PICK UP INCREMENTER(AND ZERO
059824,000386: 04,3604 54156 TS MPAC +2 # IT IN CASE OF RESTARTS) AND
059825,000387: 04,3605 53205 DXCH UPBUFF +8D # STORE IT
059826,000388: 04,3606 52155 DXCH MPAC # INTO MPAC FOR TPAGREE.
059827,000389:
059828,000390: 04,3607 00006 EXTEND
059829,000391: 04,3610 31217 DCA UPBUFF +18D
059830,000392: 04,3611 20155 DAS MPAC # FORM SUM IN MPAC
059831,000393: 04,3612 00006 EXTEND
059832,000394: 04,3613 13622 BZF DELTATOK # TEST FOR OVERFLOW
059833,000395: 04,3614 34755 CAF ZERO
059834,000396: 04,3615 53217 DXCH UPBUFF +18D # OVERFLOW, RESTORE OLD VALUE OF CLOCK
059835,000397: 04,3616 20025 DAS TIME2 # AND TURN ON OPERATOR ERROR
059836,000398:
059837,000399: 04,3617 05353 TC PHASCHNG # RESTART PROTECT (GROUP 6)
059838,000400: 04,3620 04026 OCT 04026
059839,000401:
059840,000402: 04,3621 01167 TC UPTEMP # GO TO ERROR EXIT
059841,000403:
059842,000404: 04,3622 07257 DELTATOK TC TPAGREE # FORCE SIGN AGREEMENT
059843,000405: 04,3623 52155 DXCH MPAC
059844,000406: 04,3624 20025 DAS TIME2 # INCREMENT TIME2,TIME1
059845,000407:
059846,000408: 04,3625 05353 TC PHASCHNG # RESTART PROTECT (GROUP 6)
059847,000409: 04,3626 04026 OCT 04026
059848,000410:
059849,000411: 04,3627 00004 INHINT
059850,000412: 04,3630 51167 INDEX UPTEMP # (CODED THIS WAY FOR RESTART PROTECTION)
059851,000413: 04,3631 00001 TC 1 # NORMAL RETURN
059852,000414:
059853,000415: # VERB 71 BRANCH
059854,000416:
059855,000417: 04,3632 31175 UPEND71 CAE UPBUFF +1 # SET EBANK
059856,000418: 04,3633 54003 TS EBANK # AND
059857,000419: 04,3634 74357 MASK LOW8 # CALCULATE
059858,000420: 04,3635 55167 TS UPTEMP # S-REG VALUE OF RECEIVING AREA
059859,000421:
059860,000422: 04,3636 67745 AD NEG3 # IN THE PROCESS OF
059861,000423: 04,3637 61170 AD COMPNUMB # PERFORMING
059862,000424: 04,3640 00006 EXTEND # THIS UPDATE
059863,000425: 04,3641 13647 BZF STORLP71 # WILL WE
059864,000426: 04,3642 74743 MASK BIT9 # OVERFLOW
059865,000427: 04,3643 10000 CCS A # INTO THE NEXT EBANK....
059866,000428: 04,3644 13760 TCF UPERROUT # YES
059867,000429:
059868,000430: 04,3645 37745 CA NEG3 # NO - CALCULATE NUMBER OF
059869,000431: 04,3646 61170 AD COMPNUMB # WORDS TO BE STORED MINUS ONE
059870,000432: 04,3647 54154 STORLP71 TS MPAC # SAVE NO. OF WORDS REMAINING MINUS ONE
![]() |
Page 1394 |
059872,000434: 04,3650 50000 INDEX A # TAKE NEXT UPDATE WORD FROM
059873,000435: 04,3651 31176 CA UPBUFF +2 # UPBUFF AND
059874,000436:
059875,000437: 04,3652 54001 TS L # SAVE IT IN L
059876,000438: 04,3653 30154 CA MPAC # CALCULATE NEXT
059877,000439: 04,3654 61167 AD UPTEMP # RECEIVING ADDRESS
059878,000440: 04,3655 50000 INDEX A
059879,000441: 04,3656 E3,1400 EBANK= 1400
059880,000442: 04,3656 23400 LXCH 1400 # UPDATE THE REGISTER BY CONTENTS OF L
059881,000443: 04,3657 E3,1706 EBANK= TEPHEM
059882,000444: 04,3657 10154 CCS MPAC # ARE THERE ANY WORDS LEFT TO BE STORED
059883,000445: 04,3660 13647 TCF STORLP71 # YES
059884,000446: 04,3661 13711 TCF UPOUT # NO - THEN EXIT UPDATE PROGRAM
059885,000447: 04,3662 01173 ADUPBFM1 ADRES UPBUFF -1 # SAME AS ADUPBUFF BUT LESS 1 (DON'T MOVE)
059886,000448: 04,3663 13711 TCF UPOUT # NO - EXIT UPDATE (HERE WHEN COMPNUMB = 3)
059887,000449:
059888,000450: # VERB 72 BRANCH
059889,000451:
059890,000452: 04,3664 34753 UPEND72 CAF BIT1 # HAVE AN ODD NO. OF COMPONENTS
059891,000453: 04,3665 71170 MASK COMPNUMB # BEEN SENT FOR A V72 UPDATE ...
059892,000454: 04,3666 10000 CCS A
059893,000455: 04,3667 13671 TCF +2 # YES
059894,000456: 04,3670 13760 TCF UPERROUT # ERROR - SHOULD BE ODD NO. OF COMPONENTS
059895,000457: 04,3671 44752 CS BIT2
059896,000458: 04,3672 61170 AD COMPNUMB
059897,000459: 04,3673 54154 LDLOOP72 TS MPAC # NOW PERFORM THE UPDATE
059898,000460: 04,3674 50000 INDEX A
059899,000461: 04,3675 31175 CAE UPBUFF +1 # PICK UP NEXT UPDATE WORD
059900,000462: 04,3676 22000 LXCH A
059901,000463: 04,3677 10154 CCS MPAC # SET POINTER TO ECADR (MUST BE CCS)
059902,000464: 04,3700 54154 TS MPAC
059903,000465: 04,3701 50000 INDEX A
059904,000466: 04,3702 31175 CAE UPBUFF +1 # PICK UP NEXT ECADR OF REG TO BE UPDATED
059905,000467: 04,3703 54003 TS EBANK # SET EBANK
059906,000468: 04,3704 74357 MASK LOW8 # ISOLATE RELATIVE ADDRESS
059907,000469: 04,3705 50000 INDEX A
059908,000470: 04,3706 E3,1400 EBANK= 1400
059909,000471: 04,3706 23400 LXCH 1400 # UPDATE THE REGISTER BY CONTENTS OF L
059910,000472: 04,3707 E3,1706 EBANK= TEPHEM
059911,000473: 04,3707 10154 CCS MPAC # ARE WE THROUGH THE V72 UPDATE...
059912,000474: 04,3710 13673 TCF LDLOOP72 # NO
059913,000475:
059914,000476: # NORMAL FINISH OF P27
059915,000477:
059916,000478: 04,3711 UPOUT EQUALS
059917,000479: 04,3711 03165 TC INTWAKEU # RELEASE GRAB OF ORBITAL INTEGRATION
059918,000480: 04,3712 31171 +1 CAE UPOLDMOD # RESTORE PRIOR P27 MODE
059919,000481: 04,3713 05314 TC NEWMODEX +3
059920,000482: 04,3714 34755 CAF ZERO
![]() |
Page 1395 |
059922,000484: 04,3715 54332 TS DNLSTCOD
059923,000485: 04,3716 03765 TC UPACTOFF # TURN OFF 'UPLINK ACTIVITY' LIGHT
059924,000486:
059925,000487: 04,3717 00006 EXTEND # KILL GROUP 6.
059926,000488: 04,3720 34755 DCA NEG0
059927,000489: 04,3721 52765 DXCH -PHASE6
059928,000490:
059929,000491: 04,3722 05472 TC ENDEXT # EXTENDED VERB EXIT
059930,000492:
059931,000493: # VERB 70 BRANCH
059932,000494:
059933,000495: 04,3723 00006 UPEND70 EXTEND # V70 DOES THE FOLLOWING WITH DP DELTA
059934,000496: 04,3724 41175 DCS UPBUFF # TIME IN UPBUFF
059935,000497: 04,3725 53205 DXCH UPBUFF +8D
059936,000498: 04,3726 03567 TC TIMEDIDL # DECREMENT AGC CLOCK
059937,000499:
059938,000500: 04,3727 03760 TC UPERROUT # ERROR WHILE DECREMENTING CLOCK -- EXIT
059939,000501:
059940,000502: 04,3730 E3,1706 EBANK= TEPHEM
059941,000503: 04,3730 00006 EXTEND
059942,000504: 04,3731 41175 DCS UPBUFF # COPY DECREMENTERS FOR
059943,000505: 04,3732 53207 DXCH UPBUFF +10D # RESTART PROTECTION
059944,000506: 04,3733 00006 EXTEND
059945,000507: 04,3734 41175 DCS UPBUFF
059946,000508: 04,3735 53211 DXCH UPBUFF +12D
059947,000509:
059948,000510: 04,3736 05353 TC PHASCHNG # RESTART PROTECT (GROUP 6)
059949,000511: 04,3737 04026 OCT 04026
059950,000512:
059951,000513: 04,3740 34755 CAF ZERO
059952,000514: 04,3741 22007 ZL
059953,000515: 04,3742 53207 DXCH UPBUFF +10D # DECREMENT CSM STATE VECTOR TIME
059954,000516: 04,3743 21571 DAS TETCSM
059955,000517:
059956,000518: 04,3744 34755 CAF ZERO
059957,000519: 04,3745 22007 ZL
059958,000520: 04,3746 53211 DXCH UPBUFF +12D # DECREMENT LEM STATE VECTOR TIME
059959,000521: 04,3747 21643 DAS TETLEM
059960,000522:
059961,000523: 04,3750 34755 CAF ZERO
059962,000524: 04,3751 22007 ZL
059963,000525: 04,3752 53175 DXCH UPBUFF
059964,000526: 04,3753 21710 DAS TEPHEM +1 # INCREMENT TP TEPHEM
059965,000527: 04,3754 27706 ADS TEPHEM
059966,000528:
059967,000529: 04,3755 05353 TC PHASCHNG # RESTART PROTECT (GROUP 6)
059968,000530: 04,3756 04026 OCT 04026
059969,000531:
059970,000532: 04,3757 1174 EBANK= UPBUFF
![]() |
Page 1396 |
059972,000534: 04,3757 03711 TC UPOUT # GO TO STANDARD UPDATE PROGRAM EXIT
059973,000535:
059974,000536:
059975,000537: # ERROR SEQUENCE
059976,000538:
059977,000539: 04,3760 04364 UPERROUT TC FALTON # TURN ON *OPERATOR ERROR* LIGHT
059978,000540: 04,3761 13711 TCF UPOUT # GO TO COMMON UPDATE PROGRAM EXIT
059979,000541:
059980,000542: 04,3762 04364 +2 TC FALTON # TURN ON 'OPERATOR ERROR' LIGHT
059981,000543: 04,3763 03765 TC UPACTOFF # TURN OFF 'UPLINK ACTIVITY' LIGHT
059982,000544: 04,3764 05472 TC ENDEXT # EXTENDED VERB EXIT
059983,000545: # (THE PURPOSE OF UPERROUT +2 EXIT IS
059984,000546: # TO PROVIDE AN ERROR EXIT WHICH DOES NOT
059985,000547: # RESET ANY RESTART GROUPS)
059986,000548:
059987,000549: # :UPACTOFF: IS A ROUTINE TO TURN OFF UPLINK ACTIVITY LIGHT ON ALL EXITS FROM UPDATE PROGRAM (P27).
059988,000550:
059989,000551: 04,3765 44751 UPACTOFF CS BIT3
059990,000552: 04,3766 00006 EXTEND # TURN OFF UPLINK ACTIVITY LIGHT
059991,000553: 04,3767 03011 WAND DSALMOUT # (BIT 3 OF CHANNEL 11)
059992,000554: 04,3770 00002 TC Q
059993,000555:
End of include-file UPDATE_PROGRAM.agc. Parent file is MAIN.agc