# Copyright: Public domain.
# Filename: ALARM_AND_ABORT.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: 1381-1385
# Mod history: 2009-05-10 SN (Sergio Navarro). Started adapting
# from the Luminary131/ file of the same
# name, using Luminary099 page images.
# 2009-06-05 RSB Fixed a type.
#
# 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 1381
# 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 AAANN # ALARM NO. NN IN GENERAL AREA AAA.
# # (RETURNS HERE)
BLOCK 02
SETLOC FFTAG7
BANK
EBANK= FAILREG
COUNT* $$/ALARM
# ALARM TURNS ON THE PROGRAM ALARM LIGHT, BUT DOES NOT DISPLAY.
ALARM INHINT
CA Q
ALARM2 TS ALMCADR
INDEX Q
CA 0
BORTENT TS L
PRIOENT CA BBANK
+1 EXTEND
ROR SUPERBNK # ADD SUPER BITS.
TS ALMCADR +1
LARMENT CA Q # STORE RETURN FOR ALARM
TS ITEMP1
CHKFAIL1 CCS FAILREG # IS ANYTHING IN FAILREG
TCF CHKFAIL2 # YES TRY NEXT REG
LXCH FAILREG
TCF PROGLARM # TURN ALARM LIGHT ON FOR FIRST ALARM
CHKFAIL2 CCS FAILREG +1
TCF FAIL3
LXCH FAILREG +1
TCF MULTEXIT
FAIL3 CA FAILREG +2
MASK POSMAX
CCS A
TCF MULTFAIL
LXCH FAILREG +2
TCF MULTEXIT
# Page 1382
PROGLARM CS DSPTAB +11D
MASK OCT40400
ADS DSPTAB +11D
MULTEXIT XCH ITEMP1 # OBTAIN RETURN ADDRESS IN A
RELINT
INDEX A
TC 1
MULTFAIL CA L
AD BIT15
TS FAILREG +2
TCF MULTEXIT
# PRIOLARM DISPLAYS V05N09 VIA PRIODSPR WITH 3 RETURNS TO THE USER FROM THE ASTRONAUT AT CALL LOC +1,+2,+3 AND
# AN IMMEDIATE RETURN TO THE USER AT CALL LOC +4. EXAMPLE FOLLOWS,
# CAF OCTXX # ALARM CODE
# TC BANKCALL
# CADR PRIOLARM
# ... ...
# ... ...
# ... ... # ASTRONAUT RETURN
# TC PHASCHNG # IMMEDIATE RETURN TO USER. RESTART
# OCT X.1 # PHASE CHANGE FOR PRIO DISPLAY
BANK 10
SETLOC DISPLAYS
BANK
COUNT* $$/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
BLOCK 02
SETLOC FFTAG7
BANK
COUNT* $$/ALARM
BAILOUT INHINT
CA Q
# Page 1383
TS ALMCADR
INDEX Q
CAF 0
TC BORTENT
OCT40400 OCT 40400
INHINT
WHIMPER CA TWO
AD Z
TS BRUPT
RESUME
TC POSTJUMP # RESUME SENDS CONTROL HERE
CADR ENEMA
P00DOO INHINT
CA Q
ABORT2 TS ALMCADR
INDEX Q
CAF 0
TC BORTENT
OCT77770 OCT 77770 # DON'T MOVE
CAF OCT35 # 4.35SPOT FOR GOP00DOO
TS L
COM
DXCH -PHASE4
GOP00DOO INHINT
TC BANKCALL # RESET STATEFLG, REINTFLG, AND NODOFLAG.
CADR FLAGS
CA FLAGWRD7 # IS SERVICER CURRENTLY IN OPERATION?
MASK V37FLBIT
CCS A
TCF STRTIDLE
TC BANKCALL # TERMINATE GRPS 1, 3, 5, AND 6
CADR V37KLEAN
TC BANKCALL # TERMINATE GRPS 2, 4, 1, 3, 5, AND 6
CADR MR.KLEAN # (I.E., GRP 4 LAST)
TCF WHIMPER
STRTIDLE CAF BBSERVDL
TC SUPERSW
TC BANKCALL # PUT SERVICER INTO ITS "GROUND" STATE
CADR SERVIDLE # AND PROCED TO GOTOP00H.
CCSHOLE INHINT
CA Q
TC ABORT2
OCT21103 OCT 1103
CURTAINS INHINT
CA Q
TC ALARM2
OCT217 OCT 00217
# Page 1384
TC ALMCADR # RETURN TO USER
BAILOUT1 INHINT
DXCH ALMCADR
CAF ADR40400
BOTHABRT TS ITEMP1
INDEX Q
CAF 0
TS L
TCF CHKFAIL1
P00DOO1 INHINT
DXCH ALMCADR
CAF ADR77770
TCF BOTHABRT
ALARM1 INHINT
DXCH ALMCADR
ALMNCADR INHINT
INDEX Q
CA 0
TS L
TCF LARMENT
ADR77770 TCF OCT77770
ADR40400 TCF OCT40400
DOALARM EQUALS ENDOFJOB
EBANK= DVCNTR
BBSERVDL BBCON SERVIDLE
# CALLING SEQUENCE FOR VARALARM
# CAF (ALARM)
# TC VARALARM
#
# VARALARM TURNS ON PROGRAM ALARM LIGHT BUT DOES NOT DISPLAY
VARALARM INHINT
TS L # SAVE USER'S ALARM CODE
CA Q # SAVE USERS Q
TS ALMCADR
TC PRIOENT
OCT14 OCT 14 # DONT MOVE
TC ALMCADR # RETURN TO USER
ABORT EQUALS WHIMPER
BANK 13
SETLOC ABTFLGS
BANK
# Page 1385
COUNT* $$/ALARM
FLAGS CS STATEBIT
MASK FLAGWRD3
TS FLAGWRD3
CS REINTBIT
MASK FLGWRD10
TS FLGWRD10
CS NODOBIT
MASK FLAGWRD2
TS FLAGWRD2
TC Q
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