87 lines
1.9 KiB
Plaintext
87 lines
1.9 KiB
Plaintext
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# Copyright: Public domain.
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# Filename: INTERPRETIVE_CONSTANTS.agc
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# Purpose: Part of the source code for Colossus 2A, AKA Comanche 055.
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# It is part of the source code for the Command Module's (CM)
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# Apollo Guidance Computer (AGC), for Apollo 11.
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# Assembler: yaYUL
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# Contact: Ron Burkey <info@sandroid.org>.
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# Website: www.ibiblio.org/apollo.
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# Pages: 1205-1206
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# Mod history: 2009-05-13 RSB Adapted from the Colossus249/ file of the
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# same name, using Comanche055 page images.
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#
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# This source code has been transcribed or otherwise adapted from digitized
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# images of a hardcopy from the MIT Museum. The digitization was performed
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# by Paul Fjeld, and arranged for by Deborah Douglas of the Museum. Many
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# thanks to both. The images (with suitable reduction in storage size and
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# consequent reduction in image quality as well) are available online at
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# www.ibiblio.org/apollo. If for some reason you find that the images are
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# illegible, contact me at info@sandroid.org about getting access to the
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# (much) higher-quality images which Paul actually created.
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#
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# Notations on the hardcopy document read, in part:
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#
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# Assemble revision 055 of AGC program Comanche by NASA
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# 2021113-051. 10:28 APR. 1, 1969
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#
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# This AGC program shall also be referred to as
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# Colossus 2A
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# Page 1205
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SETLOC INTPRET1
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BANK
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COUNT 23/ICONS
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DP1/4TH 2DEC .25
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UNITZ 2DEC 0
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UNITY 2DEC 0
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UNITX 2DEC .5
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ZEROVECS 2DEC 0
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2DEC 0
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2DEC 0
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DPHALF = UNITX
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DPPOSMAX OCT 37777
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OCT 37777
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# Page 1206
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# INTERPRETIVE CONSTANTS IN THE OTHER HALF-MEMORY
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SETLOC INTPRET2
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BANK
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COUNT 14/ICONS
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ZUNIT 2DEC 0
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YUNIT 2DEC 0
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XUNIT 2DEC .5
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ZEROVEC 2DEC 0
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2DEC 0
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2DEC 0
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OCT 77777 # -0, -6, -12 MUST REMAIN IN THIS ORDER
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DEC-6 DEC -6
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DEC-12 DEC -12
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LODPMAX 2OCT 3777737777 # THESE TWO CONSTANTS MUST REMAIN
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LODPMAX1 2OCT 3777737777 # ADJACENT AND THE SAME FOR INTEGRATION
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ZERODP = ZEROVEC
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HALFDP = XUNIT
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