https://github.com/virtualagc/virtualagc
Revision 4e5d304eb7cd5589b924ffb8b423b6f15511b35d authored by Ron Burkey on 20 October 2018, 17:47:00 UTC, committed by Ron Burkey on 20 October 2018, 17:47:00 UTC
the recently-added documents about YUL, was transcribed. Because the original program contained a deliberate error in YUL (as well as some constructs that have unintentionally become errors in yaYUL), I've provided it in two forms: TRIVIUM (which matches the original scan, to the extent feasible) and TRIVIUM-repaired (which has the deliberate and unintentional errors fixed, but otherwise retains the identical functionality of the original).
1 parent c6c292e
Tip revision: 4e5d304eb7cd5589b924ffb8b423b6f15511b35d authored by Ron Burkey on 20 October 2018, 17:47:00 UTC
The sample Block I AGC program TRIVIUM, found at the very end of one of
The sample Block I AGC program TRIVIUM, found at the very end of one of
Tip revision: 4e5d304
SINGLE_PRECISION_SUBROUTINES.agc
### FILE="Main.annotation"
## Copyright: Public domain.
## Filename: SINGLE_PRECISION_SUBROUTINES.agc
## Purpose: Part of the source code for Luminary 1A build 099.
## It is part of the source code for the Lunar Module's (LM)
## Apollo Guidance Computer (AGC), for Apollo 11.
## Assembler: yaYUL
## Contact: Ron Burkey <info@sandroid.org>.
## Website: www.ibiblio.org/apollo.
## Pages: 1102
## Mod history: 2009-05-25 RSB Adapted from the corresponding
## Luminary131 file, using page
## images from Luminary 1A.
## 2010-12-31 JL Fixed page number comment.
## 2016-12-17 RSB Proofed text comments with octopus/ProoferComments
## and corrected the errors found.
##
## This source code has been transcribed or otherwise adapted from
## digitized images of a hardcopy from the MIT Museum. The digitization
## was performed by Paul Fjeld, and arranged for by Deborah Douglas of
## the Museum. Many thanks to both. The images (with suitable reduction
## in storage size and consequent reduction in image quality as well) are
## available online at www.ibiblio.org/apollo. If for some reason you
## find that the images are illegible, contact me at info@sandroid.org
## about getting access to the (much) higher-quality images which Paul
## actually created.
##
## Notations on the hardcopy document read, in part:
##
## Assemble revision 001 of AGC program LMY99 by NASA 2021112-61
## 16:27 JULY 14, 1969
## Page 1102
BLOCK 02
# SINGLE PRECISION SINE AND COSINE
COUNT* $$/INTER
SPCOS AD HALF # ARGUMENTS SCALED AT PI
SPSIN TS TEMK
TCF SPT
CS TEMK
SPT DOUBLE
TS TEMK
TCF POLLEY
XCH TEMK
INDEX TEMK
AD LIMITS
COM
AD TEMK
TS TEMK
TCF POLLEY
TCF ARG90
POLLEY EXTEND
MP TEMK
TS SQ
EXTEND
MP C5/2
AD C3/2
EXTEND
MP SQ
AD C1/2
EXTEND
MP TEMK
DDOUBL
TS TEMK
TC Q
ARG90 INDEX A
CS LIMITS
TC Q # RESULT SCALED AT 1
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