swh:1:snp:92f3f585b9ae79620ad8c41a332d6329b31fd381
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
FRESH_START_AND_RESTART.agc
### FILE="Main.annotation"
## Copyright: Public domain.
## Filename: FRESH_START_AND_RESTART.agc
## Purpose: A module for revision 0 of BURST120 (Sunburst). It
## is part of the source code for the Lunar Module's
## (LM) Apollo Guidance Computer (AGC) for Apollo 5.
## Assembler: yaYUL
## Contact: Ron Burkey <info@sandroid.org>.
## Website: www.ibiblio.org/apollo/index.html
## Mod history: 2016-09-30 RSB Created draft version.
## 2016-10-05 RSB Finished transcription.
## 2016-10-30 MAS A bunch of small corrections, and some missing lines.
## 2016-11-01 RSB More typos.
## 2016-12-03 RSB Fixed various typos using octopus/ProoferComments, but
## there are still a couple of pages that are problematic
## with respect to octopus, so the process isn't completed.
## 2016-12-05 RSB octopus/ProoferComments based comment-proofing completed;
## some corrections made.
## 2017-03-13 RSB Comment-text fixes noted in proofing Luminary 116.
## 2017-06-03 MAS Replaced some instances of P00H with POOH.
## Page 88
BANK 01
EBANK= LST1
SLAP1 INHINT # FRESH START. COMES HERE FROM PINBALL.
TC STARTSUB # SUBROUTINE DOES MOST OF THE WORK.
STARTSW TCF GOON # PATCH FOR SIMULATIONS
STARTSIM CAF BIT14
TC FINDVAC
EBANK= ITEMP1
2CADR BEGIN206
GOON CAF BIT15 # TURN OFF ALL DSPTAB +11D LAMPS ONLY ON
TS DSPTAB +11D # REQUESTED FRESH START.
CS ZERO
TS RSTRTWRD
TS THRUST # INITIALIZE THROTTLE COUNTER.
TS DAPOFFDT # OVERWRITE IN ERASABLE LOAD IF DESIRED.
TS JETRESET # PROPERTY OF RCSMONIT.
CA EBANK5
TS L
LXCH EBANK
EBANK= ABDELV
CA ZERO
TS ABDELV # FOR DAP INITIALIZATION
TS ABDELV +1
EBANK= LST1
LXCH EBANK
TS THISCH32
TS LMPJFAIL
TS CH5MASK
TS CH6MASK
TS REDOCTR
TS FAILREG
TS FAILREG +1
TS FAILREG +2
CA TWO # SET UP VALUES FOR DVCNTR. THESE MAY
TS STARTDVC # BE OVERWRITTEN IN ERASABLE LOAD IF
TS STOPDVC # ANYBODY WANTS TO.
CA POSMAX # TENTATIVELY LOAD WITH INFINITY. MAY
TS SLOSHCTR # BE REPLACED VIA ERASABLE LOAD.
## Page 89
DOFSTART CS ZERO # MAKE ALL MTIMER/MPHASE PAIRS AVAILABLE.
TS MTIMER4
TS MTIMER3
TS MTIMER2
TS MTIMER1
TS MPHASE4
TS MPHASE3
TS MPHASE2
TS MPHASE1
CS ONE
TS LMPOUTT
# INITIALIZE SWITCH REGISTERS INCLUDING DAPBOOLS:
CA FOUR # INITIALIZE STATE THRU STATE +4 ONLY.
INITSW TS L
INDEX L
CA SWINIT
INDEX L
TS STATE
CCS L
TCF INITSW
TS SMODE
TS ERESTORE
TS LMPCMD # RESET LMP COMMAND AREA.
TS LMPCMD +1
TS LMPCMD +2
TS LMPCMD +3
TS LMPCMD +4
TS LMPCMD +5
TS LMPCMD +6
TS LMPCMD +7
TS LMPIN
TS LMPOUT
EXTEND # TURN THE RCS JETS OFF.
WRITE 5
EXTEND
WRITE 6
CAF IM30INIF # FRESH START IMU INITIALIZATION.
TS IMODES30
CAF BIT10 # REMOVE IMU FAIL INHIBIT IN 5 SECS.
TC WAITLIST
EBANK= LST1
2CADR IFAILOK
## Page 90
EXTEND # SETTING T5RUPT FOR SETIDLER PROGRAM
DCA SETADR # THE SETIDLER PROGRAM ASSURES 1 SECOND
DXCH T5ADR # DELAY BEFORE THE DAPIDLER BEGINS.
CAF LNORMT4
TS T4LOC
CA LDNTMGO
TS L
LXCH EBANK
EBANK= DNTMGOTO
CA LDNPHAS1
TS DNTMGOTO
CA SETCDULM
TS CDULMIT # OVERWRITE IN ERASABLE LOAD IF DESIRED.
CA IDNCDUN
TS DNCDUN # OVERWRITE IN ERASABLE LOAD IF DESIRED.
LXCH EBANK
EBANK= LST1
TC MR.CLEAN # DEACTIVATE ALL RESTART GROUPS.
RELINT # LET AN INTERRUPT IN.
NOOP
INHINT
TC IBNKCALL
CADR 1STENGOF
POOH3 CA ZERO
TS MODREG
TS PHASENUM
ENDRSTRT RELINT
TC BANKCALL # DISPLAY MAJOR MODE.
CADR DSPMM
TC FLAG1UP # TURN ON RESTARTABILITY FLAG.
OCT 4000
TCF DUMMYJOB +2 # DONT ZERO NEWJOB
## Page 91
MR.CLEAN CAF ELEVEN # INITIALIZE PHASE TABLE. DO IT THIS WAY
+1 TS BUF # TO MINIMIZE THE TIME OF PHASE TABLE
CS ZERO # DISAGREEMENT.
ZL
INDEX BUF
DXCH -PHASE1 -1
CCS BUF
CCS A
TCF MR.CLEAN +1
TC Q
## Page 92
# COMES HERE FROM LOCATION 4000, GOJAM. RESTART ANY PROGRAMS WHICH MAY HAVE BEEN RUNNING AT THE TIME.
GOPROG INCR REDOCTR # ANOTHER RESTART.
LXCH Q
DXCH RSBB&Q # SAVE BBANK & Q FOR RESTART ANALYSIS.
TC STARTSUB
CA BIT15 # TEST THE OSC FAIL BIT TO SEE IF WE HAVE
EXTEND # HAD A POWER TRANSIENT. IF SO, ATTEMPT
WAND 33 # A RESTART. IF NOT, CHECK THE PRESENT
EXTEND # STATE OF AGC WARNING.
BZF LIGHTSET
CA BIT14 # IF AGC WARNING ON (BIT = 0), DO A FRESH
EXTEND # START ON THE ASSUMPTION THAT WE'RE IN A
RAND 33 # RESTART LOOP.
EXTEND
BZF DOFSTART
LIGHTSET EXTEND # DONT TRY TO RESTART IF ERROR
READ 15 # AND MARK REJECT BUTTONS DEPRESSED.
AD -ELR
EXTEND
BZF +2
TCF +7
CAF BIT5
EXTEND
RAND 16
AD -MKREJ
EXTEND
BZF DOFSTART
CA ERESTORE # IF SELF-CHECK ERASABLE-MEMORY TEST WAS
EXTEND # INTERRUPTED BY A RESTART, DOUBT ERASABLE
BZF +2 # AND DO A FRESH START.
TCF DOFSTART
CA 9,6,4 # LEAVE PROG ALARM, GIMBAL LOCK & NO ATT
MASK DSPTAB +11D # LAMPS INTACT ON RESTART.
AD BIT15
XCH DSPTAB +11D # IF NO ATT LAMP WAS ON, LEAVE ISS IN
MASK BIT4 # COARSE ALIGN.
EXTEND
WOR 12
CAF IFAILINH # LEAVE IMU FAILURE INHIBITS INTACT ON
MASK IMODES30 # RESTART, RESETTING ALL FAILURE CODES.
## Page 93
AD IM30INIR # THE RECORD OF THE ISS OPERATE BIT IS
TS IMODES30 # ALSO LEFT ALONE (206 ONLY).
EXTEND # SETTING T5RUPT FOR DAPIDLER PROGRAM
DCA IDLEADR
DXCH T5ADR
CAF PRIO37 # DISPLAY FAILREG AS INDICATION OF RESTART
TC NOVAC # OR TO DISPLAY ABORT CODE AS ABOVE.
EBANK= LST1
2CADR DOALARM
CS T4LOC # SEE IF LMP COMMAND WAS SITTING IN CH 10
AD LLMPRS2 # WHEN RESTART OCCURRED. IF SO, SET BIT 15
EXTEND # BACK TO ZERO SO THE COMMAND WILL BE
BZF LMPRUPT # RESENT.
CCS LMPOUTT # IF NOT, SEE IF UPDATE OF REFERENCE
AD ONE # POINTER (LMPOUT) WAS IN PROCESS. IF SO,
TS LMPOUT # LMPOUTT IS NON-NEGATIVE.
CS ONE # SHOW LMPOUT UPDATED.
TS LMPOUTT
TCF T4LOCRST
LMPRUPT INDEX LMPOUT
CS LMPCMD
MASK BIT15
INDEX LMPOUT
ADS LMPCMD
T4LOCRST CAF LNORMT4
TS T4LOC
CA BIT4 # TURN THROTTLE COUNTER ON. (IF EMPTY,
EXTEND # NO HARM DONE. IF NON-EMPTY, ASSUME
WOR 14 # CONTENTS ARE VALID.)
CAF BIT12 # TEST THE RESTARTABILITY FLAG.
MASK FLAGWRD1
CCS A
TCF +3 # RESTARTABLE.
TC POSTJUMP # NOT RESTARTABLE. DO A FAKESTART.
CADR FAKESTRT
GOPROG2 RELINT
NOOP
INHINT # LET AN INTERRUPT IN
CAF NUMGRPS # VERIFY PHASE TABLE AGREEMENT.
PCLOOP TS MPAC +5
## Page 94
DOUBLE
EXTEND
INDEX A
DCA -PHASE1 # COMPLEMENT INTO A, DIRECT INTO L.
EXTEND
RXOR L # RESULT MUST BE -0 FOR AGREEMENT.
CCS A
TCF PTBAD # RESTART FAILURE.
TCF PTBAD
TCF PTBAD
CCS MPAC +5 # PROCESS ALL RESTART GROUPS.
TCF PCLOOP
TS MPAC +6 # SET TO +0.
CAF NUMGRPS # SEE IF ANY GROUPS RUNNING.
NXTRST TS MPAC +5
DOUBLE
INDEX A
CCS PHASE1
TCF PACTIVE # PNZ - GROUP ACTIVE.
TCF PINACT # +0 - GROUP NOT RUNNING.
PACTIVE TS MPAC
INCR MPAC # ABS OF PHASE.
INCR MPAC +6 # INDICATE GROUP DEMANDS PRESENT.
CA RACTCADR # GO TO RESTARTS AND PROCESS PHASE INFO.
TC SWCALL # MUST RETURN TO SWRETURN.
PINACT CCS MPAC +5 # PROCESS ALL RESTART GROUPS.
TCF NXTRST
CCS MPAC +6 # SEE IF ANY GROUPS WERE ACTIVE.
TCF ENDRSTRT # YES, THERE WERE.
TC ALARM # RESTART WITH NO ACTIVE GROUPS.
OCT 1110
CS FLAGWRD1 # WAS THE RESTARTABILITY FLAG SET?
MASK BIT12
CCS A
TCF POOH2 # NO.
TS MODREG # YES. SET MAJOR MODE TO 00.
TCF ENDRSTRT
PTBAD TC ALARM # SET ALARM TO SHOW PHASE TABLE FAILURE.
OCT 1107
INHINT
## Page 95
TCF DOFSTART
RACTCADR CADR RESTARTS
ENEMA INHINT # HAVING PRESET PHASE REGISTERS, DO A
TC STARTSB2 # PSEUDO-RESTART. (THE RESTARTABILITY
TCF GOPROG2 # FLAG MUST BE SET WHEN ENEMA IS CALLED.)
## Page 96
# INITIALIZATION COMMON TO BOTH FRESH START AND RESTART.
STARTSUB CA ZERO
EXTEND # TURN THE RCS JETS OFF.
WRITE 5
EXTEND
WRITE 6
EXTEND
WRITE 12 # TURN OFF TRIM GIMBAL.
CA POSMAX
TS TIME3 # 37777 TO TIME3.
AD MINUS2
TS TIME4 # 37775 TO TIME4.
AD NEGONE
TS TIME5 # 37774 TO TIME5.
STARTSB2 CAF ZERO # ENTRY FROM P00 AND FORGETIT.
EXTEND
WRITE 7 # NOTHING IN SUNBURST IS IN BANKS 40 - 43.
EXTEND
WRITE 11
EXTEND
WRITE 14
CA TRIMGIMB # TURN OFF ALL BITS BUT TRIM GIMBAL.
EXTEND
WAND 12
CAF PRIO34 # ENABLE INTERRUPTS.
EXTEND
WRITE 13
EBANK= LST1
CAF STARTEB
TS EBANK # SET FOR E3
CAF NEG1/2 # INITIALIZE WAITLIST DELTA-TS.
TS LST1 +7
TS LST1 +6
TS LST1 +5
TS LST1 +4
TS LST1 +3
TS LST1 +2
TS LST1 +1
TS LST1
CS ENDTASK
## Page 97
TS LST2
TS LST2 +2
TS LST2 +4
TS LST2 +6
TS LST2 +8D
TS LST2 +10D
TS LST2 +12D
TS LST2 +14D
TS LST2 +16D
CS ENDTASK +1
TS LST2 +1
TS LST2 +3
TS LST2 +5
TS LST2 +7
TS LST2 +9D
TS LST2 +11D
TS LST2 +13D
TS LST2 +15D
TS LST2 +17D
CS ZERO # MAKE ALL EXECUTIVE REGISTER SETS
TS PRIORITY # AVAILABLE.
TS PRIORITY +12D
TS PRIORITY +24D
TS PRIORITY +36D
TS PRIORITY +48D
TS PRIORITY +60D
TS PRIORITY +72D
TS NEWJOB # SHOWS NO ACTIVE JOBS.
CAF VAC1ADRC # MAKE ALL VAC AREAS AVAILABLE.
TS VAC1USE
AD LTHVACA
TS VAC2USE
AD LTHVACA
TS VAC3USE
AD LTHVACA
TS VAC4USE
AD LTHVACA
TS VAC5USE
CAF TEN # TURN OFF ALL DISPLAY SYSTEM RELAYS.
TS DIDFLG # DISPLAY INERTIAL DATA FLAG.
DSPOFF TS MPAC
CS BIT12
INDEX MPAC
TS DSPTAB
CCS MPAC
TCF DSPOFF
## Page 98
TS INLINK
TS DSPCNT
TS CADRSTOR
TS REQRET
TS CLPASS
TS DSPLOCK
TS MONSAVE # KILL MONITOR
TS MONSAVE1
TS GRABLOCK
TS VERBREG
TS NOUNREG
TS DSPLIST
TS DSPLIST +1
TS DSPLIST +2
TS MARKSTAT
TS EXTVBACT # MAKE EXTENDED VERBS AVAILABLE
TS IMUCADR
TS OPTCADR
TS RADCADR
TS ATTCADR
TS LGYRO
TS DSRUPTSW
CAF NOUTCON
TS NOUT
CS ONE # NO RADAR DESIGNATION.
TS SAMPLIM # NO RADAR RUPTS EXPECTED.
CAF IM33INIT # NO PIP OR TM FAILS.
TS IMODES33
CAF BIT6 # SET LR POS.
EXTEND
RAND 33
AD RMODINIT
TS RADMODES
CAF LESCHK # SELF CHECK GO-TO REGISTER.
TS SELFRET
CS VD1
TS DSPCOUNT
CAF NOMTMLST # SET UP NOMINAL DOWNLINK LIST.
TS DNLSTADR
TC Q
LDNPHAS1 GENADR DNPHASE1
## Page 99
LDNTMGO ECADR DNTMGOTO
NOMTMLST GENADR NOMDNLST
SETCDULM DEC 0.055555555 # 10 DEGREES, SCALED IN HALF-REVS.
IDNCDUN DEC 198 # 199 CDU SAMPLES + ONE ID = 4 SECS.
LESCHK GENADR SELFCHK
LLMPRS2 GENADR LMPRESET
VAC1ADRC ADRES VAC1USE
LTHVACA DEC 44
STARTEB ECADR LST1
NUMGRPS EQUALS FIVE # SIX GROUPS CURRENTLY.
-ELR OCT -22 # -ERROR LIGHT RESET KEY CODE.
-MKREJ OCT -20 # - MARK REJECT.
TRIMGIMB OCT 07400 # TRIM GIMBAL DRIVE BITS IN CHANNEL 12.
IM30INIF OCT 37411 # INHIBITS IMU FAIL FOR 5 SEC AND PIP ISSW
IFAILINH OCT 435 # ISS OPERATE, & FAILURE INHIBIT BITS.
IM30INIR OCT 37000 # LEAVE FAIL INHIBITS & OPERATE ALONE.
IM33INIT OCT 16000 # NO PIP OR TM FAIL SIGNALS.
9,6,4 OCT 450
RMODINIT OCT 00102
SWINIT OCT 0
OCT 0
OCT 00005
DAPINIT OCT 40512 # DB SET IN SETIDLE
OCT 0
EBANK= DT
IDLEADR 2CADR DAPIDLER
EBANK= DT
SETADR 2CADR SETIDLE
## Page 100
# PROGRAM TO REVERT TO IDLING MODE (P 00).
# CALLING SEQUENCE: TC (OR TCF) POOH UNDER EXEC (NOT INTERRUPTED).
BLOCK 2
POOH TC POSTJUMP
CADR POOH2 # DO A PARTIAL FRESH START.
BANK 01
POOH2 INHINT
TC STARTSB2
TC IBNKCALL
CADR STOPRATE
TC IBNKCALL
CADR SETMAXDB
TC FLAG1DWN # FOR A MOMENT, INDICATE NON-RESTART-
OCT 4000 # ABILITY, SO A RESTART HERE WILL DO POOH.
TC FLAG2DWN
OCT 20 # TURN OFF MISSION TIMER FLAG.
INHINT
TC MR.CLEAN # DEACTIVATE ALL RESTART GROUPS.
CA LPOOH3 # PICK UP RETURN FOR MSTART.
TC MSTART -1 # START MISSION TIMERS COUNTING.
# WE GET A RELINT AT MSTART.
LPOOH3 ADRES POOH3
## Page 101
# FAKESTRT IS ENTERED FROM GOPROG WHEN A RESTART OCCURS AND THE RESTARTABILITY FLAG IS OFF.
BANK 7
FAKESTRT TC ALARM
OCT 0316 # FAKESTRT ALARM
TCF FORGET2
# FORGETIT IS ENTERED FROM:
# 1) FAKESTRT (VIA FORGET2).
# 2) VERB 74 UPLINK COMMAND.
# 3) ILLEGAL MISSION PHASE COMES DUE IN MISSION SCHEDULING ROUTINE.
# 4) ENGINE FAILURE, ETC.
DOV74 INHINT
TC IBNKCALL
CADR STARTSB2
TCF FORGET2 # BYPASS THE PROGRAM ALARM & 315 DISPLAY.
FORGETIT INHINT
TC IBNKCALL
CADR STARTSB2
TC ALARM
OCT 315 # UNIQUE ALARM FOR FORGETIT.
FORGET2 TC FLAG1DWN # ENTRY FROM FAKESTRT.
OCT 04000 # KNOCK DOWN RESTART FLAG TO PERMIT POOH.
INHINT
EXTEND
DCA KILLCAD
DXCH DVMNEXIT
EXTEND
DCA CADAVER
DXCH AVGEXIT
CAF PINGSMON
TS OLDDVSEL
TS DVSELECT
TC IBNKCALL
CADR ENGINOFF
TC IBNKCALL
CADR STOPRATE
## Page 102
TC IBNKCALL
CADR NOULLAGE
TC IBNKCALL
CADR SETMAXDB
CS BGIMBALS # TURN OFF TRIM GIMBALS
EXTEND
WAND 12
CS ZERO # MAKE ALL RESTART PHASES INACTIVE EXCEPT
ZL # SERVICER AND STATE VECTOR COPY.
DXCH -PHASE2
CS ZERO
ZL
DXCH -PHASE3
CS ZERO
ZL
DXCH -PHASE4
CS ZERO
ZL
DXCH -PHASE6
CS ZERO
TS MPHASE1 # SET TIMER/PHASE PAIRS TO IDLE STATE
TS MPHASE2
TS MPHASE3
TS MPHASE4
TS MTIMER4
TS MTIMER3
TS MTIMER2
TS MTIMER1
TC POSTJUMP
CADR GOPROG2
AVEGKILL TC FLAG1DWN # COMES HERE WHEN ENGINE OFF
OCT 00041 # KNOCK DOWN POOH FLAG AND AVERAGEG FLAG
TCF ENDOFJOB
BGIMBALS OCT 7400
PINGSMON GENADR PGNCSMON
EBANK= LST1
CADAVER 2CADR SERVEXIT
## Page 103
EBANK= LST1
KILLCAD 2CADR AVEGKILL
