https://github.com/virtualagc/virtualagc
Revision 078c79d8734a9ed2860303a7c1662004284fe853 authored by Ron Burkey on 07 August 2022, 15:04:04 UTC, committed by Ron Burkey on 07 August 2022, 15:04:04 UTC
assembly listings from yaASM and yaLEMAP. Added some debugging messages to 'make install'. Tweaked debugging messages that VirtualAGC embeds in 'simulate'. Verified buildability in Mint 21, 20, 19, 17, and verified buildability using clang in Mint 17.
1 parent 6bb1acc
Tip revision: 078c79d8734a9ed2860303a7c1662004284fe853 authored by Ron Burkey on 07 August 2022, 15:04:04 UTC
Fixed a potential string-overflow bug in yaASM. Removed timestamps from
Fixed a potential string-overflow bug in yaASM. Removed timestamps from
Tip revision: 078c79d
P76.agc
### FILE="Main.annotation"
## Copyright: Public domain.
## Filename: P76.agc
## Purpose: The main source file for Luminary revision 069.
## It is part of the source code for the original release
## of the flight software for the Lunar Module's (LM) Apollo
## Guidance Computer (AGC) for Apollo 10. The actual flown
## version was Luminary 69 revision 2, which included a
## newer lunar gravity model and only affected module 2.
## 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. 717-719
## Assembler: yaYUL
## Contact: Ron Burkey <info@sandroid.org>.
## Website: www.ibiblio.org/apollo/index.html
## Mod history: 2016-12-13 MAS Created from Luminary 99.
## 2016-12-14 MAS Updated from comment-proofed Luminary 99 version.
## 2016-12-15 RRB Updated for Luminary 69.
## 2017-01-28 RSB Proofed comment text using octopus/prooferComments
## but no errors found.
## Page 717
# 1) PROGRAM NAME - TARGET DELTA V PROGRAM (P76).
# 2) FUNCTIONAL DESCRIPTION - UPON ENTRY BY ASTRONAUT ACTION, P76 FLASHES DSKY REQUESTS TO THE ASTRONAUT
# TO PROVIDE VIA DSKY (1) THE DELTA V TO BE APPLIED TO THE OTHER VEHICLE STATE VECTOR AND (2) THE
# TIME (TIG) AT WHICH THE OTHER VEHICLE VELOCITY WAS CHANGED BY EXECUTION OF A THRUSTING MANEUVER. THE
# OTHER VEHICLE STATE VECTOR IS INTEGRATED TO TIG AND UPDATED BY THE ADDITION OF DELTA V (DELTA V HAVING
# BEEN TRANSFORMED FROM LV TO REF COSYS). USING INTEGRVS, THE PROGRAM THEN INTEGRATES THE OTHER
# VEHICLE STATE VECTOR TO THE STATE VECTOR OF THIS VEHICLE, THUS INSURING THAT THE W-MATRIX AND BOTH VEHICLE
# STATES CORRESPOND TO THE SAME TIME.
# 3) ERASABLE INITIALIZATION REQUIRED - NONE.
# 4) CALLING SEQUENCES AND EXIT MODES - CALLED BY ASTRONAUT REQUEST THRU DSKY V 37 E 76E.
# EXITS BY TCF ENDOFJOB.
# 5) OUTPUT - OTHER VEHICLE STATE VECTOR INTEGRATED TO TIG AND INCREMENTED BY DELTA V IN REF COSYS.
# THE PUSHLIST CONTAINS THE MATRIX BY WHICH THE INPUT DELTA V MUST BE POST-MULTIPLIED TO CONVERT FROM LV
# TO REF COSYS.
# 6) DEBRIS - OTHER VEHICLE STATE VECTOR.
# 7) SUBROUTINES CALLED - BANKCALL, GOXDSPF, CSMPREC (OR LEMPREC), ATOPCSM (OR ATOPLEM), INTSTALL, INTWAKE, PHASCHNG
# INTPRET, INTEGRVS, AND MINIRECT.
# 8) FLAG USE - MOONFLAG, CMOONFLAG, INTYPFLG, RASFLAG, AND MARKCTR.
BANK 30
SETLOC P76LOC
BANK
COUNT* $$/P76
EBANK= TIG
P76 TC UPFLAG
ADRES TRACKFLG
TC INTPRET
VLOAD
DELVLVC
STORE DELVOV
EXIT
CAF V06N84 # FLASH LAST DELTA V,
TC BANKCALL # AND WAIT FOR KEYBOARD ACTION.
CADR GOFLASH
TCF ENDP76
TC +2 # PROCEED
TC -5 # STORE DATA AND REPEAT FLASHING
CAF V06N84 +1 # FLASH VERB 06 NOUN 33, DISPLAY LAST TIG,
TC BANKCALL # AND WAIT FOR KEYBOARD ACTION.
CADR GOFLASH
TCF ENDP76
TC +2
TC -5
TC INTPRET # RETURN TO INTERPRETIVE CODE
## Page 718
DLOAD # SET D(MPAC)=TIG IN CSEC B28
TIG
STCALL TDEC1 # SET TDEC1=TIG FOR ORBITAL INTEGRATION
OTHPREC
COMPMAT VLOAD UNIT
RATT
VCOMP # U(-R)
STORE 24D # U(-R) TO 24D
VXV UNIT # U(-R) X V = U(V X R)
VATT
STORE 18D
VXV UNIT # U(V X R) X U(-R) = U((R X V) X R)
24D
STOVL 12D
DELVOV
VXM VSL1 # V(MPAC)=DELTA V IN REFCOSYS
12D
VAD
VATT
STORE 6 # V(PD6)=VATT + DELTA V
CALL # PREVENT WOULD-BE USER OF ORBITAL
INTSTALL # INTEG FROM INTERFERING WITH UPDATING
CALL
P76SUB1
VLOAD VSR*
6
0,2
STOVL VCV
RATT
VSR*
0,2
STODL RCV
TIG
STORE TET
CLEAR DLOAD
INTYPFLG
TETTHIS
INTOTHIS STCALL TDEC1
INTEGRVS
CALL
INTSTALL
VLOAD
RATT1
STORE RRECT
STODL RCV
TAT
STOVL TET
VATT1
CALL
MINIRECT
## Page 719
EXIT
TC PHASCHNG
OCT 04024
TC UPFLAG
ADRES REINTFLG
TC INTPRET
CALL
ATOPOTH
SSP EXIT
QPRET
OUT
TC BANKCALL # PERMIT USE OF ORBITAL INTEGRATION
CADR INTWAKE1
OUT EXIT
ENDP76 CAF ZERO
TS MARKCTR # CLEAR RR TRACKING MARK COUNTER
TCF GOTOPOOH
V06N84 NV 0684
NV 0633
P76SUB1 AXT,2 SET
2
MOONFLAG # SET MEANS MOON IS SPHERE OF INFLUENCE.
BON AXT,2
CMOONFLG # SET MEANS PERM CM STATE IN LUNAR SPHERE.
QPRET
0
CLEAR RVQ
MOONFLAG
Computing file changes ...