### FILE="Main.annotation"
## Copyright: Public domain.
## Filename: INTERPRETIVE_CONSTANT.agc
## Purpose: A section of Luminary 1C, revision 131.
## It is part of the source code for the Lunar Module's (LM)
## Apollo Guidance Computer (AGC) for Apollo 13.
## This file is intended to be a faithful transcription, except
## that the code format has been changed to conform to the
## requirements of the yaYUL assembler rather than the
## original YUL assembler.
## Reference: pp. 1094-1095
## Contact: Ron Burkey <info@sandroid.org>.
## Website: www.ibiblio.org/apollo/index.html
## Mod history: 05/31/03 RSB. Began transcribing.
## 05/14/05 RSB Corrected website reference above
## 2017-01-06 RSB Page numbers now agree with those on the
## original harcopy, as opposed to the PDF page
## numbers in 1701.pdf.
## 2017-02-27 RSB Proofed comment text using octopus/ProoferComments.
## 2021-05-30 ABS DFC-6 -> DEC-6, DFC-12 -> DEC-12
## Page 1094
SETLOC INTPRET1
BANK
COUNT* $$/ICONS
DP1/4TH 2DEC .25
UNITZ 2DEC 0
UNITY 2DEC 0
UNITX 2DEC .5
ZEROVECS 2DEC 0
2DEC 0
2DEC 0
DPHALF = UNITX
DPPOSMAX OCT 37777
OCT 37777
## Page 1095
# INTERPRETIVE CONSTANTS IN THE OTHER HALF-MEMORY
SETLOC INTPRET2
BANK
COUNT* $$/ICONS
ZUNIT 2DEC 0
YUNIT 2DEC 0
XUNIT 2DEC .5
ZEROVEC 2DEC 0
2DEC 0
2DEC 0
OCT 77777 # -0, -6, -12 MUST REMAIN IN THIS ORDER
DEC-6 DEC -6
DEC-12 DEC -12
LODPMAX 2OCT 3777737777 # THESE TWO CONSTANTS MUST REMAIN
LODPMAX1 2OCT 3777737777 # ADJACENT AND THE SAME FOR INTEGRATION
ZERODP = ZEROVEC
HALFDP = XUNIT