Source Code
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This is a reconstructed version of Luminary 130, the initial AGC program released
in November 1969 for the Apollo 13 LM. Three more releases
followed before the flown revision was finally manufactured in February 1970.
This reconstruction was created from a previous transcription of the original listing of
Luminary 131, combined with Luminary memo #129 which describes the small difference
between the Luminary 130 and 131. The reconstructed source code was verified by
matching memory-bank checksums to those listed for Luminary 130 in drawing 2021152G.
In this source code, program comments from the original (Luminary 131) code are
prefixed with '#', while those added later by the Virtual AGC project are prefixed
with '##'.
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057961,000002: ## Copyright: Public domain.
057962,000003: ## Filename: SERVICE_ROUTINES.agc
057963,000004: ## Purpose: A section of the reconstructed source code for Luminary 130.
057964,000005: ## This was the original program released for the Apollo 13 LM,
057965,000006: ## although several more revisions would follow. It has been
057966,000007: ## reconstructed from a listing of Luminary 131, from which it
057967,000008: ## differs on only two lines in P70-P71. The difference is
057968,000009: ## described in detail in Luminary memo #129, which was used
057969,000010: ## to perform the reconstruction. This file is intended to be a
057970,000011: ## faithful reconstruction, except that the code format has been
057971,000012: ## changed to conform to the requirements of the yaYUL assembler
057972,000013: ## rather than the original YUL assembler.
057973,000014: ## Reference: pp. 1366-1372
057974,000015: ## Contact: Ron Burkey <info@sandroid.org>.
057975,000016: ## Website: www.ibiblio.org/apollo/index.html
057976,000017: ## Mod history: 06/06/03 RSB. Began transcribing.
057977,000018: ## 05/14/05 RSB Corrected website references above.
057978,000019: ## 2017-01-06 RSB Page numbers now agree with those on the
057979,000020: ## original hardcopy, as opposed to the PDF page
057980,000021: ## numbers in 1701.pdf.
057981,000022: ## 2017-02-28 RSB Proofed comment text using octopus/ProoferComments.
057982,000023: ## 2017-03-01 RSB Fixed lingering comment-text typos.
057983,000024: ## 2017-03-14 RSB Comment-text fixes noted in proofing Luminary 116.
057984,000025: ## 2017-03-16 RSB Comment-text fixes identified in 5-way
057985,000026: ## side-by-side diff of Luminary 69/99/116/131/210.
057986,000027: ## 2018-09-04 MAS Copied from Luminary 131 for Luminary 130.
057987,000028:
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Page 1366
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057989,000030: 10,3545 BANK 10
057990,000031: 10,2000 SETLOC DISPLAYS
057991,000032: 10,2000 BANK
057992,000033: 10,3545 COUNT* $$/DSPLA
057993,000034:
057994,000035: 10,3545 00004 UPENT2 INHINT
057995,000036: 10,3546 75650 MASK OCT77770
057996,000037: 10,3547 54001 TS L
057997,000038: 10,3550 40100 CS FLAGWRD4
057998,000039: 10,3551 70001 MASK L
057999,000040: 10,3552 26100 ADS FLAGWRD4
058000,000041: 10,3553 00003 JOIN RELINT
058001,000042: 10,3554 16742 TCF Q+1
058002,000043:
058003,000044: 10,3555 00004 DOWNENT2 INHINT
058004,000045: 10,3556 75650 MASK OCT77770
058005,000046: 10,3557 40000 COM
058006,000047: 10,3560 70100 MASK FLAGWRD4
058007,000048: 10,3561 54100 TS FLAGWRD4
058008,000049: 10,3562 13553 TCF JOIN
058009,000050:
058010,000051: 10,3563 4757 OCT7 EQUALS SEVEN
058011,000052:
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Page 1367
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058013,000054: # UPFLAG AND DOWNFLAG ARE ENTIRELY GENERAL FLAG SETTING AND CLEARING SUBROUTINES. USING THEM, WHETHER OR
058014,000055: # NOT IN INTERRUPT, ONE MAY SET OR CLEAR ANY SINGLE, NAMED BIT IN ANY ERASABLE REGISTER, SUBJECT OF COURSE TO
058015,000056: # EBANK SETTING. A "NAMED" BIT, AS THE WORD IS USED HERE, IS ANY BIT WITH A NAME FORMALLY ASSIGNED BY THE YUL
058016,000057: # ASSEMBLER.
058017,000058:
058018,000059: # AT PRESENT THE ONLY NAMED BITS ARE THOSE IN THE FLAGWORDS. ASSEMBLER CHANGES WILL MAKE IT POSSIBLE TO
058019,000060: # NAME ANY BIT IN ERASABLE MEMORY.
058020,000061:
058021,000062: # CALLING SEQUENCES ARE AS FOLLOWS:-
058022,000063: # TC UPFLAG TC DOWNFLAG
058023,000064: # ADRES NAME OF FLAG ADRES NAME OF FLAG
058024,000065:
058025,000066: # RETURN IS TO THE LOCATION FOLLOWING THE "ADRES" ABOUT .58 MS AFTER THE "TC".
058026,000067: # UPON RETURN A CONTAINS THE CURRENT FLAGWRD SETTING.
058027,000068:
058028,000069: 5504 BLOCK 02
058029,000070: 4000 SETLOC FFTAG1
058030,000071: 4000 BANK
058031,000072: 5504 COUNT* $$/FLAG
058032,000073:
058033,000074: 5504 30002 UPFLAG CA Q
058034,000075: 5505 05522 TC DEBIT
058035,000076: 5506 40000 COM # +(15 - BIT)
058036,000077: 5507 00006 EXTEND
058037,000078: 5510 04001 ROR LCHAN # SET BIT
058038,000079: 5511 50061 COMFLAG INDEX ITEMP1
058039,000080: 5512 54074 TS FLAGWRD0
058040,000081: 5513 22063 LXCH ITEMP3
058041,000082: 5514 00003 RELINT
058042,000083: 5515 00001 TC L
058043,000084:
058044,000085: 5516 30002 DOWNFLAG CA Q
058045,000086: 5517 05522 TC DEBIT
058046,000087: 5520 70001 MASK L # RESET BIT
058047,000088: 5521 15511 TCF COMFLAG
058048,000089:
058049,000090: 5522 64753 DEBIT AD ONE # GET DE BITS
058050,000091: 5523 00004 INHINT
058051,000092: 5524 54063 TS ITEMP3
058052,000093: 5525 34762 CA LOW4 # DEC15
058053,000094: 5526 54061 TS ITEMP1
058054,000095: 5527 50063 INDEX ITEMP3
058055,000096: 5530 27777 CA 0 -1 # ADRES
058056,000097: 5531 54001 TS L
058057,000098: 5532 34755 CA ZERO
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Page 1368
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058059,000100: 5533 00006 EXTEND
058060,000101: 5534 10061 DV ITEMP1 # A = FLAGWRD, L = (15 - BIT)
058061,000102: 5535 52062 DXCH ITEMP1
058062,000103: 5536 50061 INDEX ITEMP1
058063,000104: 5537 30074 CA FLAGWRD0
058064,000105: 5540 54001 TS L # CURRENT STATE
058065,000106: 5541 50062 INDEX ITEMP2
058066,000107: 5542 44735 CS BIT15 # -(15 - BIT)
058067,000108: 5543 00002 TC Q
058068,000109:
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Page 1369
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058070,000111: # DELAYJOB - A GENERAL ROUTINE TO DELAY A JOB A SPECIFIC AMOUNT OF TIME BEFORE PICKING UP AGAIN.
058071,000112:
058072,000113: # ENTRANCE REQUIREMENTS ...
058073,000114: # CAF DT DELAY JOB FOR DT CENTISECS
058074,000115: # TC BANKCALL
058075,000116: # CADR DELAYJOB
058076,000117:
058077,000118: 06,3772 BANK 06
058078,000119: 00,2000 SETLOC DLAYJOB
058079,000120: 00,2000 BANK
058080,000121:
058081,000122: # THIS MUST REMAIN IN BANK 0 *****************************************
058082,000123:
058083,000124: 00,3735 COUNT* $$/DELAY
058084,000125: 00,3735 35000 2SECDELY CAF 2SECS
058085,000126: 00,3736 00004 DELAYJOB INHINT
058086,000127: 00,3737 54002 TS Q # STORE DELAY DT IN Q FOR DLY -1 IN
058087,000128: 00,3740 34752 CAF DELAYNUM # WAITLIST
058088,000129: 00,3741 54070 DELLOOP TS RUPTREG1
058089,000130: 00,3742 50000 INDEX A
058090,000131: 00,3743 31323 CA DELAYLOC # IS THIS DELAYLOC AVAILABLE
058091,000132: 00,3744 00006 EXTEND
058092,000133: 00,3745 13753 BZF OK2DELAY # YES
058093,000134:
058094,000135: 00,3746 10070 CCS RUPTREG1 # NO, TRY NEXT DELAYLOC
058095,000136: 00,3747 13741 TCF DELLOOP
058096,000137:
058097,000138: 00,3750 52134 DXCH BUF2
058098,000139: 00,3751 05706 TC BAILOUT1 # NO AVAILABLE LOCS.
058099,000140: 00,3752 31104 OCT 31104
058100,000141:
058101,000142: 00,3753 33773 OK2DELAY CA TCSLEEP # SET WAITLIST IMMEDIATE RETURN
058102,000143: 00,3754 54061 TS WAITEXIT
058103,000144:
058104,000145: 00,3755 30004 CA FBANK
058105,000146: 00,3756 60070 AD RUPTREG1 # STORE BBANK FOR TASK CALL
058106,000147: 00,3757 54001 TS L
058107,000148:
058108,000149: 00,3760 33774 CAF WAKECAD # STORE CADR FOR TASK CALL
058109,000150: 00,3761 15211 TCF DLY2 -1 # DLY IS IN WAITLIST ROUTINE
058110,000151:
058111,000152: 00,3762 04645 TCGETCAD TC MAKECADR # GET CALLERS FCADR
058112,000153:
058113,000154: 00,3763 50070 INDEX RUPTREG1
058114,000155: 00,3764 55323 TS DELAYLOC # SAVE DELAY CADRS
058115,000156:
058116,000157: 00,3765 05133 TC JOBSLEEP
058117,000158:
058118,000159: 00,3766 34755 WAKER CAF ZERO
058119,000160: 00,3767 50006 INDEX BBANK
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Page 1370
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058121,000162: 00,3770 57323 XCH DELAYLOC # MAKE DELAYLOC AVAILABLE
058122,000163: 00,3771 05137 TC JOBWAKE
058123,000164:
058124,000165: 00,3772 05261 TC TASKOVER
058125,000166:
058126,000167: 00,3773 03760 TCSLEEP GENADR TCGETCAD -2
058127,000168: 00,3774 03766 WAKECAD GENADR WAKER
058128,000169:
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Page 1371
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058130,000171: # GENTRAN, A BLOCK TRANSFER ROUTINE.
058131,000172: # WRITTEN BY D. EYLES
058132,000173: # MOD 1 BY KERNAN UTILITYM REV 17 11/18/67
058133,000174: # MOD 2 BY SCHULENBERG (REMOVE RELINT) SKIPPER REV 4 2/28/68
058134,000175:
058135,000176: # THIS ROUTINE IS USEFULL FOR TRANSFERING N CONSECUTIVE ERASABLE OR FIXED QUANTITIES TO SOME OTHER N
058136,000177: # CONSECUTIVE ERASABLE LOCATIONS. IF BOTH BLOCKS OF DATA ARE IN SWITCHABLE EBANKS, THEY MUST BE IN THE SAME ONE.
058137,000178:
058138,000179: # GENTRAN IS CALLABLE IN A JOB AS WELL AS A RUPT. THE CALLING SEQUENCE IS:
058139,000180: # I CA N-1 # OF QUANTITIES MINUS ONE.
058140,000181: # I +1 TC GENTRAN IN FIXED-FIXED.
058141,000182: # I +2 ADRES L STARTING ADRES OF DATA TO BE MOVED.
058142,000183: # I +3 ADRES M STARTING ADRES OF DUPLICATION BLOCK.
058143,000184: # I +4 RETURNS HERE.
058144,000185:
058145,000186: # GENTRAN TAKES 25 MCT'S (300 MICROSECONDS) PER ITEM + 5 MCT'S (60 MICS) FOR ENTERING AND EXITING.
058146,000187: # A, L AND ITEMP1 ARE NOT PRESERVED.
058147,000188:
058148,000189: 5544 BLOCK 02
058149,000190: 4000 SETLOC FFTAG4
058150,000191: 4000 BANK
058151,000192:
058152,000193: 5544 0061 EBANK= ITEMP1
058153,000194:
058154,000195: 5544 COUNT* $$/TRAN
058155,000196:
058156,000197: 5544 00004 GENTRAN INHINT
058157,000198: 5545 54061 TS ITEMP1 # SAVE N-1.
058158,000199: 5546 50002 INDEX Q # C(Q) = ADRES L.
058159,000200: 5547 60000 AD 0 # ADRES (L + N - 1).
058160,000201: 5550 50000 INDEX A
058161,000202: 5551 30000 CA 0 # C(ABOVE).
058162,000203: 5552 54001 TS L # SAVE DATA.
058163,000204: 5553 30061 CA ITEMP1
058164,000205: 5554 50002 INDEX Q
058165,000206: 5555 60001 AD 1 # ADRES (M + N - 1).
058166,000207: 5556 50000 INDEX A
058167,000208: 5557 22000 LXCH 0 # STUFF IT.
058168,000209: 5560 10061 CCS ITEMP1 # LOOP UNTIL N-1 = 0.
058169,000210: 5561 15545 TCF GENTRAN +1
058170,000211: 5562 16744 TCF Q+2 # RETURN TO CALLER.
058171,000212:
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Page 1372
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058173,000214: # B5OFF ZERO BIT 5 OF EXTVBACT, WHICH IS SET BY TESTXACT.
058174,000215: # MAY BE USED AS NEEDED BY ANY EXTENDED VERB WHICH HAS DONE TESTXACT
058175,000216:
058176,000217: 5563 COUNT* $$/EXTVB
058177,000218:
058178,000219: 5563 44747 B5OFF CS BIT5
058179,000220: 5564 71043 MASK EXTVBACT
058180,000221: 5565 55043 TS EXTVBACT
058181,000222: 5566 05155 TC ENDOFJOB
058182,000223:
058183,000224:
058184,000225:
End of include-file SERVICE_ROUTINES.agc. Parent file is MAIN.agc