Apollo-11/Comanche055/SYSTEM_TEST_STANDARD_LEAD_INS.agc

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# Copyright: Public domain.
# Filename: SYSTEM_TEST_STANDARD_LEAD_INS.agc
# Purpose: Part of the source code for Comanche, build 055.
# It is part of the source code for the Command Module's (CM)
# Apollo Guidance Computer (AGC), Apollo 11.
# Assembler: yaYUL
# Reference: pp. 420-422
# Contact: Onno Hommes <ohommes@cmu.edu>.
# Website: www.ibiblio.org/apollo.
# Mod history: 05/07/09 OH Transcription Batch 1 Assignment
#
# The contents of the "Comanche055" files, in general, are transcribed
# from scanned documents.
#
# Assemble revision 055 of AGC program Comanche by NASA
# 2021113-051. April 1, 1969.
#
# This AGC program shall also be referred to as Colossus 2A
#
# Prepared by
# Massachussets Institute of Technology
# 75 Cambridge Parkway
# Cambridge, Massachusetts
#
# under NASA contract NAS 9-4065.
#
# Refer directly to the online document mentioned above for further information.
# Please report any errors to info@sandroid.org.
# Page 420
EBANK= XSM
BANK 33
SETLOC E/PROG1
BANK
COUNT* $$/P07
# SPECIAL PROGRAMS TO EASE THE PANGS OF ERASABLE MEMORY PROGRAMS.
#
# E/BKCALL FOR DOING BANKCALLS FROM AND RETURNING TO ERASABLE.
#
# THIS ROUTINE IS CALLABLE FROM ERASABLE OR FIXED. LIKE BANKCALL, HOWEVER, SWITCHING BETWEEN S3 AND S4
# IS NOT POSSIBLE.
#
# THE CALLING SEQUENCE IS:
#
# TC BANKCALL
# CADR E/BKCALL
# CADR ROUTINE # WHERE TO WANT TO GO IN FIXED.
# RETURN HERE FROM DISPLAY TERMINATE, BAD STALL OR TC Q.
# RETURN HERE FROM DISPLAY PROCEED OR GOOD RETURN FROM STALL.
# RETURN HERE FROM DISPLAY ENTER OR RECYCLE.
#
# THIS ROUTINE REQUIRES TWO ERASABLES (EBUF2, +1) IN UNSWITCHED WHICH ARE UNSHARED BY INTERRUPTS AND
# OTHER EMEMORY PROGRAMS.
#
# A + L ARE PRESERVED THROUGH BANKCALL AND E/BKCALL.
E/BKCALL DXCH BUF2 # SAVE A,L AND GET DP RETURN.
DXCH EBUF2 # SAVE DP RETURN.
INCR EBUF2 # RETURN +1 BECAUSE DOUBLE CADR.
CA BBANK
MASK LOW10 # GET CURRENT EBANK. (SBANK SOMEDAY)
ADS EBUF2 +1 # FORM BBCON. (WAS FBANK)
NDX EBUF2
CA 0 -1 # GET CADR OF ROUTINE.
TC SWCALL # GO TO ROUTINE, SETTING Q TO SWRETURN
# AND RESTORING A + L.
TC +4 # TX Q, V34, OR BADD STALL RETURN.
TC +2 # PROCEED OR GOOD STALL RETURN.
INCR EBUF2 # ENTER OR RECYCLE RETURN.
INCR EBUF2
E/SWITCH DXCH EBUF2
DTCB
# Page 421
# E/CALL FOR CALLING A FIXED MEMORY INTERPRETIVE SUBROUTINE FROM ERASABLE AND RETURNING TO ERASABLE.
#
# THE CALLING SEQUENCE IS...
#
# RTB
# E/CALL
# CADR ROUTINE # THE INTERPRETIVE SUBROUTINE YOU WANT
# # RETURNS HERE IN INTERPRETIVE.
E/CALL LXCH LOC # ADRES -1 OF CADR.
INDEX L
CA L # CADR IN A.
INCR L
INCR L # RETURN ADRES IN L.
DXCH EBUF2 # STORE CADR AND RETURN.
TC INTPRET
CALL
EBUF2 # INDIRECTLY EXECUTE ROUTING. IT MUST
EXIT # LEAVE VIA RVQ OR EQUIVALENT.
LXCH EBUF2 +1 # PICK UP RETURN.
TCF INTPRET +2 # SET LOC AND RETURN TO CALLER.
# Page 422
# E/JOBWAK FOR WAKING UP ERASABLE MEMORY JOBS.
#
# THIS ROUTINE MUST BE CALLED IN INTERRUPT OR WITH INTERRUPTS INHIBITED.
#
# THE CALLING SEQUENCE IS
#
# INHINT
# ...
# CA WAKEADR # ADDRESS OF SLEEPING JOB
# TC IBNKCALL
# CADR E/JOBWAK
# ... # RETURNS HERE
# RELINT # IF YOU DID AND INHINT
BANK 33
SETLOC E/PROG
BANK
COUNT* $$/P07
E/JOBWAK TC JOBWAKE # ARRIVE IWTH ADRES IN A.
CS BIT11
NDX LOCCTR
ADS LOC # KNOCK FIXED MEMORY BIT OUT OF ADRES.
TC RUPTREG3 # RETURN
# THESE PROGRAMS ARE PROVIDED TO ALLOW OVERLAY OF BANKS 30 THRU 33 OF THE 205 VERSIONS OF SYSTEM TESTS AND
# PRELAUNCH ALIGN. THE INTENT IS TO ALLOW THE STG AND HYBRID LABS TO RUN ALL THE TESTS WITH COLOSSUS.
BANK 33
SETLOC TESTLEAD
BANK
COUNT 33/COMST
EBANK= QPLACE
COMPVER TC GCOMPVER # MUST BE 33,2000.
GTSCPSS1 TC GTSCPSS # MUST BE AT 33,2001
REDO TC NEWMODEX # DISPLAY MM 07.
MM 07 # FALL INTO IMUTEST