# Copyright: Public domain.
# Filename: ALARM_AND_ABORT.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. 1493-1496
# Contact: Ron Burkey <info@sandroid.org>
# Website: http://www.ibiblio.org/apollo.
# Mod history: 2009-05-07 RSB Adapted from Colossus249 file of the same
# name, and page images. Corrected various
# typos in the transcription of program
# comments, and these should be back-ported
# to Colossus249.
#
# 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
# Massachusetts 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 1493
# THE FOLLOWING SUBROUTINE MAY BE CALLED TO DISPLAY A NON-ABORTIVE ALARM CONDITION. IT MAY BE CALLED
# EITHER IN INTERRUPT OR UNDER EXECUTIVE CONTROL.
#
# CALLING SEQUENCE IS AS FOLLOWS:
#
# TC ALARM
# OCT NNNNN
# # (RETURNS HERE)
BLOCK
02
SETLOC FFTAG7
BANK
EBANK= FAILREG
COUNT 02/ALARM
# ALARM TURNS ON THE PROGRAM ALARM LIGHT, BUT DOES NOT DISPLAY.
ALARM
INHINT
CA Q
ALARM2
TS ALMCADR
INDEX Q
CA 0
BORTENT
TS L
PRIOENT
CA BBANK
+
1 EXTEND
ROR SUPERBNK
# ADD SUPER BITS.
TS ALMCADR +
1
LARMENT
CA Q
# STORE RETURN FOR ALARM
TS ITEMP1
CA LOC
TS LOCALARM
CA BANKSET
TS BANKALRM
CHKFAIL1
CCS FAILREG
# IS ANYTHING IN FAILREG
TCF CHKFAIL2
# YES TRY NEXT REG
LXCH FAILREG
TCF PROGLARM
# TURN ALARM LIGHT ON FOR FIRST ALARM
CHKFAIL2
CCS FAILREG +
1
TCF FAIL3
LXCH FAILREG +
1
TCF MULTEXIT
FAIL3
CA FAILREG +
2
# Page 1494
MASK POSMAX
CCS A
TCF MULTFAIL
LXCH FAILREG +
2
TCF MULTEXIT
PROGLARM
CS DSPTAB +
11D
MASK OCT40400
ADS DSPTAB +
11D
MULTEXIT
XCH ITEMP1
# OBTAIN RETURN ADDRESS IN A
RELINT
INDEX A
TC 1
MULTFAIL
CA L
AD BIT15
TS FAILREG +
2
TCF MULTEXIT
# PRIOLARM DISPLAYS V05N09 VIA PRIODSPR WITH 3 RETURNS TO THE USER FROM THE ASTRONAUT AT CALL LOC +1,+2,+3 AND
# AN IMMEDIATE RETURN TO THE USER AT CALL LOC +4. EXAMPLE FOLLOWS,
# CAF OCTXX # ALARM CODE
# TC BANKCALL
# CADR PRIOLARM
#
# ... ...
# ... ...
# ... ... # ASTRONAUT RETURN
# TC PHASCHNG # IMMEDIATE RETURN TO USER. RESTART
# OCT X.1 # PHASE CHANGE FOR PRIO DISPLAY
BANK 10
SETLOC DISPLAYS
BANK
COUNT 10/DSPLA
PRIOLARM
INHINT # * * * KEEP IN DISPLAY ROUTINES BANK
TS L
# SAVE ALARM CODE
CA BUF2
# 2 CADR OF PRIOLARM USER
TS ALMCADR
CA BUF2 +
1
TC PRIOENT +
1 # * LEAVE L ALONE
-
2SEC
DEC -
200 # *** DONT MOVE
CAF V05N09
TCF PRIODSPR
# Page 1495
BLOCK
02
SETLOC FFTAG13
BANK
COUNT 02/ALARM
BAILOUT
INHINT
CA Q
TS ALMCADR
TC BANKCALL
CADR VAC5STOR
INDEX ALMCADR
CAF 0
TC BORTENT
OCT40400
OCT 40400
INHINT
WHIMPER
CA TWO
AD Z
TS BRUPT
RESUME
TC POSTJUMP
# RESUME SENDS CONTROL HERE
CADR ENEMA
SETLOC FFTAG7
BANK
POODOO
INHINT
CA Q
TS ALMCADR
TC BANKCALL
CADR VAC5STOR
# STORE ERASABLES FOR DEBUGGING PURPOSES.
INDEX ALMCADR
CAF 0
ABORT2
TC BORTENT
OCT77770
OCT 77770 # DONT MOVE
CA V37FLBIT
# IS AVERAGE G ON
MASK FLAGWRD7
CCS A
TC WHIMPER -
1 # YES. DONT DO POODOO. DO BAILOUT.
TC DOWNFLAG
ADRES STATEFLG
TC DOWNFLAG
# Page 1496
ADRES REINTFLG
TC DOWNFLAG
ADRES NODOFLAG
TC BANKCALL
CADR MR.KLEAN
TC WHIMPER
CCSHOLE
INHINT
CA Q
TS ALMCADR
TC BANKCALL
CADR VAC5STOR
CA OCT1103
TC ABORT2
OCT1103
OCT 1103
CURTAINS
INHINT
CA Q
TC ALARM2
OCT217
OCT 00217
TC ALMCADR
# RETURN TO USER
DOALARM
EQUALS ENDOFJOB
# CALLING SEQUENCE FOR VARALARM
#
# CAF (ALARM)
# TC VARALARM
#
# VARALARM TURNS ON PROGRAM ALARM LIGHT BUT DOES NOT DISPLAY
VARALARM
INHINT
TS L
# SAVE USERS ALARM CODE
CA Q
# SAVE USERS Q
TS ALMCADR
TC PRIOENT
OCT14
OCT 14 # DONT MOVE
TC ALMCADR
# RETURN TO USER
ABORT
EQUALS BAILOUT
# *** TEMPORARY UNTIL ABORT CALLS OUT
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