Source Code
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These source-code files are part of a reconstructed copy of Luminary 96, the
original release of the Apollo 11 Lunar Module (LM) Apollo Guidance Computer
(AGC) software.
The reconstruction began with reconstructed source code for Luminary 97. Changes
between revisions 96 and 97 were backed out, as described by anomal report LNY-59.
transcribed from a digitized copy of that program. The reconstruction was
verified by matching memory-bank checksums to those listed in drawing 2021152D.
Note that page numbers in the reconstructed code match those on the Luminary 099
revision 001 printout, although the added code would likely have changed page
numbers for a real Luminary 96 listing.
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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046097,000002: ## Copyright: Public domain.
046098,000003: ## Filename: INTERPRETIVE_CONSTANTS.agc
046099,000004: ## Purpose: A section of Luminary revision 96.
046100,000005: ## It is part of the reconstructed source code for the
046101,000006: ## original release of the flight software for the Lunar
046102,000007: ## Module's (LM) Apollo Guidance Computer (AGC) for Apollo 11.
046103,000008: ## The code has been recreated from a previously reconstructed
046104,000009: ## copy of Luminary 97 by undoing changes described in anomaly
046105,000010: ## report LNY-59. The code has been adapted such that the
046106,000011: ## resulting bugger words exactly match those specified for
046107,000012: ## Luminary 96 in NASA drawing 2021152D, which gives relatively
046108,000013: ## high confidence that the reconstruction is correct.
046109,000014: ## Reference: pp. 1100-1101
046110,000015: ## Assembler: yaYUL
046111,000016: ## Contact: Ron Burkey <info@sandroid.org>.
046112,000017: ## Website: www.ibiblio.org/apollo/index.html
046113,000018: ## Mod history: 2019-08-04 MAS Created from Luminary 97.
046114,000019:
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Page 1100
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046116,000021: 23,2000 SETLOC INTPRET1
046117,000022: 23,2000 BANK
046118,000023:
046119,000024: 23,2511 COUNT* $$/ICONS
046120,000025: 23,2511 10000 00000 DP1/4TH 2DEC .25
046121,000026:
046122,000027: 23,2513 00000 00000 UNITZ 2DEC 0 B-28
046123,000028:
046124,000029: 23,2515 00000 00000 UNITY 2DEC 0 B-28
046125,000030:
046126,000031: 23,2517 20000 00000 UNITX 2DEC .5
046127,000032:
046128,000033: 23,2521 00000 00000 ZEROVECS 2DEC 0 B-28
046129,000034:
046130,000035: 23,2523 00000 00000 2DEC 0 B-28
046131,000036:
046132,000037: 23,2525 00000 00000 2DEC 0 B-28
046133,000038:
046134,000039: 23,2527 23,2517 DPHALF = UNITX
046135,000040: 23,2527 37777 DPPOSMAX OCT 37777
046136,000041: 23,2530 37777 OCT 37777
046137,000042:
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Page 1101
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046139,000044: # INTERPRETIVE CONSTANTS IN THE OTHER HALF-MEMORY
046140,000045:
046141,000046: 12,2000 SETLOC INTPRET2
046142,000047: 12,2000 BANK
046143,000048:
046144,000049: 12,2000 COUNT* $$/ICONS
046145,000050: 12,2000 00000 00000 ZUNIT 2DEC 0 B-28
046146,000051:
046147,000052: 12,2002 00000 00000 YUNIT 2DEC 0 B-28
046148,000053:
046149,000054: 12,2004 20000 00000 XUNIT 2DEC .5
046150,000055:
046151,000056: 12,2006 00000 00000 ZEROVEC 2DEC 0 B-28
046152,000057:
046153,000058: 12,2010 00000 00000 2DEC 0 B-28
046154,000059:
046155,000060: 12,2012 00000 00000 2DEC 0 B-28
046156,000061:
046157,000062: 12,2014 77777 OCT 77777 # -0, -6, -12 MUST REMAIN IN THIS ORDER
046158,000063: 12,2015 77771 DFC-6 DEC -6 B-14
046159,000064: 12,2016 77763 DFC-12 DEC -12 B-14
046160,000065: 12,2017 37777 37777 LODPMAX 2OCT 3777737777 # THESE TWO CONSTANTS MUST REMAIN
046161,000066:
046162,000067: 12,2021 37777 37777 LODPMAX1 2OCT 3777737777 # ADJACENT AND THE SAME FOR INTEGRATION
046163,000068:
046164,000069: 12,2023 12,2006 ZERODP = ZEROVEC
046165,000070: 12,2023 12,2004 HALFDP = XUNIT
046166,000071:
046167,000072:
End of include-file INTERPRETIVE_CONSTANTS.agc. Parent file is MAIN.agc