82 lines
1.8 KiB
Plaintext
82 lines
1.8 KiB
Plaintext
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# Copyright: Public domain.
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# Filename: INTERPRETIVE_CONSTANT.agc
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# Purpose: Part of the source code for Luminary 1A build 099.
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# It is part of the source code for the Lunar Module's (LM)
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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: 1100-1101
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# Mod history: 2009-05-25 RSB Adapted from the corresponding
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# Luminary131 file, using page
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# images from Luminary 1A.
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#
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# This source code has been transcribed or otherwise adapted from
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# digitized images of a hardcopy from the MIT Museum. The digitization
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# was performed by Paul Fjeld, and arranged for by Deborah Douglas of
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# the Museum. Many thanks to both. The images (with suitable reduction
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# in storage size and consequent reduction in image quality as well) are
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# available online at www.ibiblio.org/apollo. If for some reason you
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# find that the images are illegible, contact me at info@sandroid.org
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# about getting access to the (much) higher-quality images which Paul
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# 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 001 of AGC program LMY99 by NASA 2021112-61
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# 16:27 JULY 14, 1969
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# Page 1100
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SETLOC INTPRET1
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BANK
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COUNT* $$/ICONS
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DP1/4TH 2DEC .25
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UNITZ 2DEC 0
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UNITY 2DEC 0
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UNITX 2DEC .5
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ZEROVECS 2DEC 0
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2DEC 0
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2DEC 0
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DPHALF = UNITX
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DPPOSMAX OCT 37777
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OCT 37777
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# Page 1101
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# INTERPRETIVE CONSTANTS IN THE OTHER HALF-MEMORY
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SETLOC INTPRET2
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BANK
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COUNT* $$/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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DFC-6 DEC -6
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DFC-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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