Source Code
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These source-code files are part of a reconstructed copy of Luminary 173, the
second (unflown) release of the Apollo 14 Lunar Module (LM) Apollo Guidance
Computer (AGC) software.
The reconstruction began with reconstructed source code for Luminary 178. Changes
between revision 173 and 178 were backed out, as described by Luminary memo 167
(revision 1). The reconstruction was verified by matching memory-bank checksums
to those listed in drawing 2021152N. Note that page numbers in the reconstructed
code match those for the baseline log section mentioned in each file's changelog;
the page numbers for a real Luminary 173 listing would be different.
Comments from the original source code are prefixed with a single '#' symbol,
whereas comments added later are prefixed by "##" or "###". Report any errors
noted by creating an
issue report at the Virtual AGC
project's GitHub repository.
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006789,000002: ## Copyright: Public domain.
006790,000003: ## Filename: INTERRUPT_LEAD_INS.agc
006791,000004: ## Purpose: A section of Luminary revision 173.
006792,000005: ## It is part of the reconstructed source code for the second
006793,000006: ## (unflown) release of the flight software for the Lunar
006794,000007: ## Module's (LM) Apollo Guidance Computer (AGC) for Apollo 14.
006795,000008: ## The code has been recreated from a reconstructed copy of
006796,000009: ## Luminary 178, as well as Luminary memo 167 (revision 1).
006797,000010: ## It has been adapted such that the resulting bugger words
006798,000011: ## exactly match those specified for Luminary 173 in NASA
006799,000012: ## drawing 2021152N, which gives relatively high confidence
006800,000013: ## that the reconstruction is correct.
006801,000014: ## Reference: pp. 159-160
006802,000015: ## Assembler: yaYUL
006803,000016: ## Contact: Ron Burkey <info@sandroid.org>.
006804,000017: ## Website: www.ibiblio.org/apollo/index.html
006805,000018: ## Mod history: 2019-09-18 MAS Created from Luminary 178.
006806,000019:
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Page 159
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006808,000021: 4000 SETLOC 4000
006809,000022:
006810,000023: 4000 COUNT* $$/RUPTS # FIX-FIX LEAD INS
006811,000024: 4000 00004 INHINT # GO
006812,000025: 4001 34054 CAF GOBB
006813,000026: 4002 56006 XCH BBANK
006814,000027: 4003 12677 TCF GOPROG
006815,000028:
006816,000029: 4004 52011 DXCH ARUPT # T6RUPT
006817,000030: 4005 00006 EXTEND
006818,000031: 4006 34056 DCA T6ADR
006819,000032: 4007 52006 DTCB
006820,000033:
006821,000034: 4010 52011 DXCH ARUPT # T5RUPT - AUTOPILOT
006822,000035: 4011 00006 EXTEND
006823,000036: 4012 31264 DCA T5ADR
006824,000037: 4013 52006 DTCB
006825,000038:
006826,000039: 4014 52011 DXCH ARUPT # T3RUPT
006827,000040: 4015 34057 CAF T3RPTBB
006828,000041: 4016 56006 XCH BBANK
006829,000042: 4017 13412 TCF T3RUPT
006830,000043:
006831,000044: 4020 52011 DXCH ARUPT # T4RUPT
006832,000045: 4021 34064 CAF T4RPTBB
006833,000046: 4022 56006 XCH BBANK
006834,000047: 4023 12000 TCF T4RUPT
006835,000048:
006836,000049: 4024 52011 DXCH ARUPT # KEYRUPT1
006837,000050: 4025 34060 CAF KEYRPTBB
006838,000051: 4026 56006 XCH BBANK
006839,000052: 4027 13261 TCF KEYRUPT1
006840,000053:
006841,000054: 4030 52011 DXCH ARUPT # KEYRUPT2
006842,000055: 4031 34061 CAF MKRUPTBB
006843,000056: 4032 56006 XCH BBANK
006844,000057: 4033 12332 TCF MARKRUPT
006845,000058:
006846,000059: 4034 52011 DXCH ARUPT # UPRUPT
006847,000060: 4035 34060 CAF UPRPTBB
006848,000061: 4036 56006 XCH BBANK
006849,000062: 4037 13304 TCF UPRUPT
006850,000063:
006851,000064: 4040 52011 DXCH ARUPT # DOWNRUPT
006852,000065: 4041 34062 CAF DWNRPTBB
006853,000066: 4042 56006 XCH BBANK
006854,000067: 4043 13510 TCF DODOWNTM
006855,000068:
006856,000069: 4044 52011 DXCH ARUPT # RADAR RUPT
006857,000070: 4045 34063 CAF RDRPTBB
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Page 160
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006859,000072: 4046 56006 XCH BBANK
006860,000073: 4047 13157 TCF RADAREAD
006861,000074:
006862,000075: 4050 52011 DXCH ARUPT # RUPT10 IS USED ONLY BY LANDING GUIDANCE
006863,000076: 4051 34065 CA RUPT10BB
006864,000077: 4052 56006 XCH BBANK
006865,000078: 4053 12302 TCF PITFALL
006866,000079:
006867,000080:
006868,000081: 4054 E3,1400 EBANK= LST1 # RESTART USES E0, E3
006869,000082: 4054 12103 GOBB BBCON GOPROG
006870,000083:
006871,000084: 4055 E6,1464 EBANK= PERROR
006872,000085: 4055 02117 36106 T6ADR 2CADR DOT6RUPT
006873,000086:
006874,000087:
006875,000088: 4057 E3,1400 EBANK= LST1
006876,000089: 4057 02103 T3RPTBB BBCON T3RUPT
006877,000090:
006878,000091: 4060 0073 EBANK= KEYTEMP1
006879,000092: 4060 10100 KEYRPTBB BBCON KEYRUPT1
006880,000093:
006881,000094: 4061 E7,1404 EBANK= AOTAZ
006882,000095: 4061 16107 MKRUPTBB BBCON MARKRUPT
006883,000096:
006884,000097: 4062 4060 UPRPTBB = KEYRPTBB
006885,000098:
006886,000099: 4062 0340 EBANK= DNTMBUFF
006887,000100: 4062 12100 DWNRPTBB BBCON DODOWNTM
006888,000101:
006889,000102: 4063 E7,1453 EBANK= TTOGO
006890,000103: 4063 52107 RDRPTBB BBCON RADAREAD
006891,000104:
006892,000105: 4064 E6,1414 EBANK= M11
006893,000106: 4064 14106 T4RPTBB BBCON T4RUPT
006894,000107:
006895,000108: 4065 E7,1647 EBANK= ELVIRA
006896,000109: 4065 22107 RUPT10BB BBCON PITFALL
End of include-file INTERRUPT_LEAD_INS.agc. Parent file is MAIN.agc