FRESH_START_AND_RESTART.agc - virtualagc - Virtual AGC and AGS emulation

Source path: svn/ trunk/ Luminary099/ FRESH_START_AND_RESTART.agc

‹r694

r864

# Copyright:	Public domain.
# Filename:	FRESH_START_AND_RESTART.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:	Hartmuth Gutsche <hgutsche@xplornet.com>.
# Website:	www.ibiblio.org/apollo.
# Pages:	211-237
# Mod history:	2009-05-19 HG	Transcribed from page images.
#		2010-12-31 JL	Fixed page number comments.
#		2011-01-06 JL	Fixed pseudo-label indentation.
#		2011-01-06 JL	Added missing comment characters.
#
# 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 211
		BANK	10
		SETLOC	FRANDRES
		BANK
		
		EBANK=	LST1
		
		COUNT*	$$/START	# FRESH AND RESTART
SLAP1		INHINT			# FRESH START.  COMES HERE FROM PINBALL.
		TC	STARTSUB	# SUBROUTINE DOES MOST OF THE WORK
		
STARTSW		TCF	SKIPSIM		# PATCH....TCF STARTSIM FOR SIMULATION
STARTSIM	CAF	BIT14
		TC	FINDVAC
SIM2CADR	OCT	77777		# PATCH 2CADR (AND EBANK DESIGNATION) OF
		OCT	77777		# SIMULATION START ADDRESS.

SKIPSIM		CA	DSPTAB +11D	# TURN OFF ALL DSPTAB +11D LAMPS
		MASK	BITS4&6		# EXCEPT THE GIMBAL LOCK & NO ATT ONLY ON
		AD	BIT15		# REQUESTED FRESH START.
		TS	DSPTAB +11D
		
		CA	BIT12		# INITIALIZE DOWNLINK EARASABLE MEMORY
		TS	DUMPCNT		# DUMP FOR ONE PASS
		
		CA	ZERO
		TS	ERCOUNT
		TS	FAILREG
		TS	FAILREG +1
		TS	FAILREG +2
		TS	REDOCTR
		
		CS	PRIO12
		TS	DSRUPTSW
		
DOFSTART	CAF	BIT14		# INSURE ENGINE IS OFF.
		EXTEND
		WRITE	DSALMOUT
		CS	ZERO
		TS	THRUST
		
DOFSTRT1	CAF	FOUR
		TS	RCSFLAGS	# INITIALIZE ATTITUDE ERROR DISPLAYS.
		CA	PRIO30
		TS	RESTREG		# SUPER BANK PRIORITY FOR DISPLAYS.
		
		CA	ZERO
		TS	ABDELV		# DAP INITIALIZATION
		TS	NVSAVE
		TS	EBANKTEM
# Page 212
		TS	CH5MASK
		TS	CH6MASK
		TS	PVALVEST	# FOR RCS FAILURE MONITOR
		TS	ERESTORE	# ***** MUST NOT BE REMOVED FROM DOFSTART
		TS	SMODE		# ***** MUST NOT BE REMOVED FROM DOFSTART
		TS	DNLSTCOD	# SELECT P00 DOWNLIST
		TS	AGSWORD		# ALLOW AGS INITIALIZATION
		TS	UPSVFLAG	# ZERO UPDATE STATE VECTOR REQUEST FLAGWRD
		EXTEND
		WRITE	CHAN5		# TURN OFF RCS JETS.
		EXTEND		
		WRITE	CHAN6		# TURN OFF RCS JETS.
		EXTEND
		WRITE	CHAN12
		EXTEND
		WRITE	CHAN13
		EXTEND
		WRITE	CHAN14
		CS	DSPTAB +11D
		MASK	BITS4&6
		CCS	A
		TC	+4
		CA	BITS4&6
		EXTEND			# THE IMU WAS IN COARSE ALIGN IN GIMBAL
		WOR	CHAN12		# LOCK, SO PUT IT BACK INTO COARSE ALIGN.
 +4		TC	MR.KLEAN

		CS	ZERO
		TS	MODREG
		
		CAF	IM30INIF	# FRESH START IMU INITIALIZATION
		TS	IMODES30
		
		CAF	MAXDB
		TS	DB
		CAF	FOUR
		TS	RATEINDX	# INITIALZE KALCMANU RATE
		CA	BOOLSTRT
		TS	DAPBOOLS
		CAF	EBANK6
		TS	EBANK
		EBANK=	HIASCENT
		
		CA	STIKSTRT
		TS	STIKSENS
		CA	RATESTRT
		TS	-RATEDB
		CAF	FULLAPS		# INITIALIZE MAXIMUM ASCENT MASS FOR USE
		TS	HIASCENT	#   BY 1/ACCS UNTIL THE PAD LOAD IS DONE.
		CA	77001OCT	#     LOAD DAP FILTER GAINS PAD LOAD.
# Page 213
		TS	DKTRAP		#       TO BEST PRESENT ESTIMATE OF GOODIES
		TS	LMTRAP		# .14 DEG
		CA	60DEC
		TS	DKKAOSN
		TS	LMKAOSN		# 6 SEC GAIN FOR ALPHA
		CA	ZERO
		TS	LMOMEGAN	# UNITY GAIN
		CA	TEN
		TS	DKOMEGAN	# 1 SEC GAIN FOR OMEGA
		CAF	BIT8		# SET DOCKED DB TO 1.4 DEG.  MAY OVERWRITE
		TS	DKDB		#	WITH PAD LOAD.
		CAF	IM33INIT
		AD	BIT6		# KEEP BOTH DAP AND ERROR-NEEDLES DISPLAY
		TS	IMODES33	#	OFF UNTIL ICDU ZERO IS FINISHED.
		
		EXTEND			# INITIALIZE SWITCHES ONLY ON FRESH START.
		DCA	SWINIT
		DXCH	STATE
		CA	SWINIT +2
		TS	STATE +2
		CA	REFSMBIT	# DO NOT ALTER REFSMFLG ON FRESH START.
		MASK	STATE +3
		AD	SWINIT +3
		TS	STATE +3
		EXTEND
		DCA	SWINIT +4
		DXCH	STATE +4
		EXTEND
		DCA	SWINIT +6
		DXCH	STATE +6
		CA	SURFFBIT	# DO NOT ALTER	SURFFLAG ON FRESH START.
		AD	CMOONBIT	#		CMOONFLG
		AD	LMOONBIT	#		LMOONFLG
		MASK	STATE +8D
		AD	SWINIT +8D
		TS	STATE +8D
		CA	SWINIT +9D
		TS	STATE +9D
		CA	APSFLBIT	# DO NOT ALTER APSFLAG ON FRESH START.
		MASK	STATE +10D
		AD	SWINIT +10D
		TS	STATE +10D
		CAF	SWINIT +11D
		TS	STATE +11D
		
ENDRSTRT	TC	POSTJUMP	# NOW IN ANOTHER BANK.
		CADR	DUMMYJOB +2	# PICKS UP AT RELINT.	(DON'T ZERO NEWJOB)
		
MR.KLEAN	INHINT
# Page 214
		EXTEND
		DCA	NEG0
		DXCH	-PHASE2
P00KLEAN	EXTEND
		DCA	NEG0
		DXCH	-PHASE4
V37KLEAN	EXTEND
		DCA	NEG0
		DXCH	-PHASE1
		EXTEND
		DCA	NEG0
		DXCH	-PHASE3
		EXTEND
		DCA	NEG0
		DXCH	-PHASE5
		EXTEND
		DCA	NEG0
		DXCH	-PHASE6
		TC	Q

# Page 215
# COMES HERE FROM LOCATION 4000, GOJAM, RESTART ANY PROGRAMS WHICH MAY HAVE BEEN RUNNING AT THE TIME.

		EBANK=	LST1
GOPROG		INCR	REDOCTR		# ADVANCE RESTART COUNTER.

		LXCH	Q
		EXTEND
		ROR	SUPERBNK
		DXCH	RSBBQ
		CA	DSPTAB +11D
		MASK	BIT4
		EXTEND
		BZF	+4
		AD	BIT6		# SET ERROR COUNTER ENABLE
		EXTEND
		WOR	CHAN12		# ISS WAS IN COARSE ALIGN SO GO BACK TO
BUTTONS		TC	LIGHTSET

# ERASCHK TEMPORARILY STORES THE CONTENST OF TWO ERASABLE LOCATIONS, X
# AND X+1 INTO SKEEP5 AND SKEEP6.  IT ALSO STORES X INTO SKEEP7 AND
# ERESTORE.  IF ERASCHK IS INTERRUPTED BY A RESTART, C(ERESTORE) SHOULD
# EQUAL C(SKEEP7), AND SHOULD BE A + NUMBER LESS THAN 2000 OCT.  OTHERWISE
# C(ERESTORE) SHOULD EQUAL +0.

		CAF	HI5
		MASK	ERESTORE
		EXTEND
		BZF	+2		# IF ERESTORE NOT = +0 OR +N LESS THAN 2K,
		TCF	NONAVKEY +3	# DO FRESH START -- E MEMORY MIGHT BE BAD
		CS	ERESTORE
		EXTEND
		BZF	DORSTART	# = +0 CONTINUE WITH RESTART.
		AD	SKEEP7
		EXTEND
		BZF	+2		# = SKEEP7, RESTORE E MEMORY.
		TCF	NONAVKEY +3	# DO FRESH START -- E MEMORY MIGHT BE BAD
		CA	SKEEP4
		TS	EBANK		# EBANK OF E MEMORY THAT WAS UNDER TEST.
		EXTEND			# (NOT DXCH SINCE THIS MIGHT HAPPEN AGAIN)
		DCA	SKEEP5
		INDEX	SKEEP7
		DXCH	0000		# E MEMORY RESTORED
		CA	ZERO
		TS	ERESTORE
DORSTART	TC	STARTSUB	# DO INITIALIZATION AFTER ERASE RESTORE.

SETINFL		CS	INTFLBIT
		MASK	FLGWRD10
		TS	FLGWRD10
# Page 216
		CA	9,6,4		# LEAVE PROG ALARM, GIMBAL LOCK, NO ATT
		MASK	DSPTAB +11D	# LAMPS INTACT ON HARDWARE RESTART
		AD	BIT15
		XCH	DSPTAB +11D
		CAF	IFAILINH	# LEAVE IMU FAILURE INHIBITS INTACT ON
		MASK	IMODES30	# HARDWARE RESTART, RESET ALL FAILURE
		AD	IM30INIR	# CODES.
		TS	IMODES30
		
		CA	AGSWORD		# BE SURE OF CORRECT DOWNLIST
		TS	DNLSTCOD
		
		CA	BIT4		# TURN ON THROTTLE COUNTER
		EXTEND
		WOR	CHAN14		# TURN ON THRUST DRIVE
		CS	FLAGWRD5
		MASK	ENGONBIT
		CCS	A
		TCF	+5
		CAF	BIT13
		EXTEND
		WOR	DSALMOUT	# TURN ENGINE ON
		TCF	GOPROG3
 +5		CAF	BIT14
		EXTEND
		WOR	DSALMOUT	# TURN ENGINE OFF
		TCF	GOPROG3

ENEMA		INHINT
		TC	STARTSB1
		TCF	GOPROG2A
GOPROG2		TC	STARTSB2
GOPROG2A	TC	LIGHTSET
		CS	RSFLGBTS	# CLEAR BITS 7 AND 14.
		MASK	FLGWRD10
		TS	FLGWRD10
		
GOPROG3		CAF	NUMGRPS		# VERIFY PHASE TABLE AGREEMENTS
PCLOOP		TS	MPAC +5
		DOUBLE
		EXTEND
		INDEX	A
		DCA	-PHASE1		# COMPLEMENT INTO A, DIRECT INTO L.
		EXTEND
		RXOR	LCHAN		# RESULT MUST BE -0 FOR AGREEMENT.
		CCS	A
		TCF	PTBAD		# RESTART FAILURE.
		TCF	PTBAD
		TCF	PTBAD
# Page 217
		CCS	MPAC +5		# PROCESS ALL RESTART GROUPS.
		TCF	PCLOOP
		
		TS	MPAC +6		# SET TO +0.
		TC	MMDSPLAY	# DISPLAY MAJOR MODE
		
		INHINT			# RELINT DONE IN MMDSPLAY
		
		CS	DIDFLBIT	# CLEAR DIDFLAG IN ORDER TO FORCE R10 TO
		MASK	FLAGWRD1	# RE-INITIALIZE ITSELF IF IT HAD BEEN
		TS	FLAGWRD1	# OPERATION AT THE TIME OF THE RESTART.
		
		CS	RODFLBIT	# CLEAR RODFLAG.  IF P66 IS IN OPERATION
		MASK	FLAGWRD1	#	IT WILL RE-INITIALIZE ITSELF AND
		TS	FLAGWRD1	#	CONTINUE.
		
		CS	P21FLBIT	# CLEAR P21 FLAG SO THAT P21 WILL COMPUTE
		MASK	FLAGWRD0	# NEW BASE STATE VECTORS.
		TS	FLAGWRD0
		
		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
		TC	SWCALL		# MUST RETURN TO SWRETURN.
		
PINACT		CCS	MPAC +5		# PROCESS ALL RESTART GROUPS.
		TCF	NXTRST
		
		CCS	MPAC +6		# NO, CHECK PHASE ACTIVITY FLAG
		TCF	ENDRSTRT	# PHASE ACTIVE
		CAF	BIT15		# IS MODE -0
		MASK	MODREG
		EXTEND
		BZF	GOTOP00H	# NO
		TCF	ENDRSTRT	# YES
PTBAD		TC	ALARM		# SET ALARM TO SHOW PHASE TABLE FAILURE.
		OCT	1107
		
		TCF	DOFSTRT1
#******** ****** ******
# Page 218
# DO NOT USE GOPROG2 OR ENEMA WITHOUT CONSULTING P00H PEOPLE.

OCT10000	=	BIT13
OCT30000	=	PRIO30
OCT7777		OCT	7777
STIKSTRT	DEC	0.825268	# 20 D/S MAXIMUM COMPANDED RATE
RATESTRT	DEC	-218
RACTCADR	CADR	RESTARTS
BOOLSTRT	OCT	21312
77001OCT	OCT	77001		# .14 DEG SCALED AT 4.5 DEG
60DEC		DEC	60
RSFLGBTS	OCT	20100
MAXDB		OCTAL	03434		# 5 DEG ATTITUDE DEADBAND, SCALED AT 45.

LIGHTSET	CAF	BIT5		# CHECK FOR MARK REJECT AND ERROR RESET
		EXTEND
		RAND	NAVKEYIN
		EXTEND
		BZF	NONAVKEY	# NO MARK REJECT
		EXTEND
		READ	MNKEYIN		# CHECK IF KEYS 2M AND 5M ON
		AD	-ELR		# MAIN DSKY KEYCODE (BITS 1-5)
		EXTEND
		BZF	+2

NONAVKEY	TC	Q

		TC	STARTSUB
		TCF	DOFSTART
 +3		TC	STARTSUB
		TCF	DOFSTRT1	# DO FRESH START BUT DON'T TOUCH ENGINE

# Page 219
# INITIALIZATION COMMON TO BOTH FRESH START AND RESTART.

		EBANK=	AOSQ
STARTSUB	CAF	LDNPHAS1	# SET POINTER SO NEXT 20MS DOWNRUPT WILL
		TS	DNTMGOTO	# CAUSE THE CURRENT DOWNLIST TO BE
					# INTERRUPTED AND START SENDING FROM THE
					# BEGINNING OF THE CURRENT DOWNLIST.
		CAF	BIT6
		EXTEND
		RAND	CHAN33
		AD	RMODINIT
		TS	RADMODES

STARTSB1	CAF	POSMAX
		TS	TIME3
		AD	MINUS2
		TS	TIME4
		AD	NEGONE
		TS	TIME5

		CAF	EBANK6
		TS	EBANK

		CS	BIT13		# CAUSE DAPIDLER TO CALL 1/ACCS
		MASK	RCSFLAGS
		TS	RCSFLAGS	# ZERO BIT 13
		CAF	POSMAX		# DISABLE TIME6 CLOCK.  JUST IN CASE A T6
		TS	T6NEXT		#	RUPT IS ALREADY IN THE PRIORITY CHAIN,
		EXTEND			#	ENSURE THAT ITS INPUTS WILL RENDER IT
		WAND	CHAN13		#	INEFFECTUAL.
		CAF	ZERO
		TS	NXT6ADR
		TS	NEXTP

		CS	ACCSOKAY
		MASK	DAPBOOLS
		TS	DAPBOOLS

		EXTEND			# SET T5RUPT FOR DAPIDLER PROGRAM.
		DCA	IDLEADR
		DXCH	T5ADR

STARTSB2	CAF	OCT30001	# DURING SOFTWARE RESTART, DO NOT DISTURB
		EXTEND			# ENGINE ON, OFF AND ISS WARNING.
		WAND	DSALMOUT
		
		CS	READRBIT	# CLEAR READRFLG FOR R29
		MASK	FLAGWRD3
		TS	FLAGWRD3
# Page 220
		
		CS	FLAGWRD3	# DURING SOFTWARE RESTART, CLEAR TURNON,
		MASK	NR29FBIT	# REPOSITION, CDU ZERO AND REMODE BITS
		EXTEND			# IN RADMODES, SINCE TASKS ASSOCIATED
		BZF	+2		# WITH THESE BITS HAVE BEEN KILLED
		CAF	BIT10		# ALSO IF R29 HAD BEEN REQUESTED.
		AD	OCT32001	# (NOR29FLG = 0) CLEAR BIT 10 RADMODES
		COM			# TO MAKE R29 FORGET IT HAD STARTED
		MASK	RADMODES	# DESIGNATING
		TS	RADMODES
		CAF	OCT27470	# DURING SOFTWARE RESTART, DO NOT DISTURB
		EXTEND			# IMU FLAGS.  (COARSE ALIGN ENABLE, ZERO
		WAND	CHAN12		# IMU CDUS, ENABLE IMU COUNTER) AND GIMBAL
					# TRIM DRIVES.  LEAVE RR LOCKON ENABLE
					# ALONE.
					
		CS	NORRMBIT	# ENABLE R25.
		MASK	FLAGWRD5
		TS	FLAGWRD5
		
		CS	R77FLBIT	# CLEAR R77FLAG
		MASK	FLAGWRD5
		TS	FLAGWRD5
		CAF	OCT74160	# DURING SOFTWARE RESTART, DO NOT DISTURB
		EXTEND			# TELEMETRY FLAGS, RESET TRAP FLAGS, AND
		WAND	CHAN13		# ENABLE T6RUPT FLAG.
		
		CAF	BIT12		# REENABLE RUPT10 (RUPT QUICKLY
		EXTEND			#	RESUMES EXCEPT DURING P64)
		WOR	CHAN13
		
		CAF	BIT6		# DURING SOFTWARE RESTART, DO NOT DISTURB
		EXTEND			# GYRO ENABLE FLAG.
		WAND	CHAN14
		
		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
		TS	LST2
# Page 221
		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	PRIORITY +84D
		
		TS	DSRUPTSW
		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
DSPOFF		TS	MPAC		# R1, R2, R3
		CS	BIT12
		INDEX	MPAC
		TS	DSPTAB
		CCS	MPAC
		TCF	DSPOFF
		
# Page 222 
		TS	DELAYLOC
		TS	DELAYLOC +1
		TS	DELAYLOC +2
		TS	R1SAVE
		TS	INLINK
		TS	DSPCNT
		TS	CADRSTOR
		TS	REQRET
		TS	CLPASS
		TS	DSPLOCK
		TS	MONSAVE		# KILL MONITOR
		TS	MONSAVE1
		TS	VERBREG
		TS	NOUNREG
		TS	DSPLIST
		TS	MARKSTAT
		TS	EXTVBACT	# MAKE EXTENDED VERBS AVAILABLE
		TS	IMUCADR
		TS	OPTCADR
		TS	RADCADR
		TS	ATTCADR
		TS	LGYRO
		TS	FLAGWRD4	# KILL INTERFACE DISPLAYS
		CAF	NOUTCON
		TS	NOUT
		
		CS	ONE
		TS	SAMPLIM
		CAF	BIT6
		MASK	IMODES33	# LEAVE BIT 6 UNCHANGED
		AD	IM33INIT	# NO PIP OR TM FAILS.  BIT6=0 IN THIS WORD.
		TS	IMODES33
		
		CAF	LESCHK		# SELF CHECK GO-TO REGISTER.
		TS	SELFRET
		
		CS	VD1
		TS	DSPCOUNT
		
		TC	Q
		EBANK=	AOSQ
IDLEADR		2CADR	DAPIDLER

IFAILINH	OCT	435
LDNPHAS1	GENADR	DNPHASE1
LESCHK		GENADR	SELFCHK
VAC1ADRC	ADRES	VAC1USE
OCT32001	OCT	32001
LTHVACA		DEC	44

# Page 223
OCT27470	OCT	27470
OCT74160	OCT	74160
OCT30001	OCT	30001
STARTEB		EQUALS	EBANK3
NUMGRPS		EQUALS	FIVE
-ELR		OCT	-22		# -ERROR LIGHT RESET KEY CODE.
IM30INIF	OCT	37411		# INHIBITS IMU FAIL FOR 5 SEC AND PIP ISSW
IM30INIR	OCT	37000
IM33INIT	=	PRIO16		# NO PIP OR TM FAIL SIGNALS.
9,6,4		OCT	450
RMODINIT	OCT	00102
SWINIT		OCT	0
		OCT	0
		OCT	0
		OCT	02000		# BIT 11 = NOR29FLG
		OCT	0
		OCT	0
		OCT	0
		OCT	00100
		
		OCT	0
		OCT	0
		OCT	0
		OCT	40000		# BIT 15 = LRBYPASS.

# Page 224
# PROGRAM NAME		GOTOP00H		ASSEMBLY SUNDANCE
# LOG SECTION		FRESH START AND RESTART
#
# FUNCTIONAL DESCRIPTION
#
#	FLASH V 37 ON DSKY MM CHANGE REQUEST
#
# INPUT/OUTPUT INFORMATION
#
#	A. CALLING SEQUENCE			TC GOTOP00H
#	B. ERASABLE INITIALIZATION		NONE
#	C. OUTPUT FLASH V 37 ON DSKY
#	D. DEBRIS				L
#
# PROGRAM ANALYSIS
#
#	A. SUBROUTINES CALLED			PRIODSPR, LINUS
#	B. NORMAL EXIT				TCF ENDOFJOB
#	C. ALARM AND ABORT EXITS		NONE

		BLOCK	03
		SETLOC	FFTAG5
		BANK
		
		COUNT*	$$/P00
GOTOP00H	CAF	OCT33			# 4.33 SPOT FOR GOP00FIX
		TS	L
		COM
		DXCH	-PHASE4
		
		TC	POSTJUMP
		CADR	GOP00FIX
OCT24		MM	20
OCT31		MM	25

		BANK	20
		SETLOC	VERB37
		BANK
		
		COUNT*	$$/P00			# VERB 37 AND P00 IN BANK 4.
GOP00FIX	TC	DOWNFLAG		# ALLOW X-AXIS OVERRIDE
		ADRES	XOVINFLG
		
		TC	DOWNFLAG		# INSURE THAT ULLAGE IS OFF
		ADRES	ULLAGFLG
# Page 225
		TC	CLEARMRK +2		# RELEASE MARK DISPLAY SYSTEM.
		CAF	V37N99
		TC	BANKCALL
		CADR	GOFLASH
		TCF	-3
		TCF	-4
		TCF	-5
		
V37N99		VN	3799

# Page 226
# PROGRAM NAME		V37			ASSEMBLY SUNDANCE
#
# LOG SECTION		FRESH START AND RESTART
#
# FUNCTIONAL DESCRIPTION
#
#	1. CHECK IF NEW PROGRAM ALLOWED.  IF BIT 1 OF FLAGWRD2 (NODOFLAG) IS SET, AN ALARM 1520 IS CALLED.
#	2. CHECK FOR VALIDITY OF PROGRAM SELECTED.  IF AN INVALID PROGRAM IS SELECTED, THE OPERATOR ERROR LIGHT IS
#	   SET AND CURRENT ACTIVITY, IF ANY, CONTINUE.
#	3. SERVICER IS TERMINATED IF IT HAS BEEN RUNNING.
#	4. INSTALL IS EXECUTED TO AVOID INTERRUPTING INTEGRATION.
#	5. THE ENGINE IS TURNED OFF AND THE DAP IS INITIALIZED FOR COAST.
#	6. TRACK AND UPDATE FLAGS ARE SET TO ZERO.
#	7. DISPLAY SYSTEM IS RELEASED.
#	8. THE FOLLOWING ARE PERFORMED FOR EACH OF THE THREE CASES.
#		A. PROGRAM SELECTED IS P00
#			1. RENDEZVOUS AND P25 FLAGS ARE RESET.  (KILL P20 AND P25)
#			2. STATINT1 IS SCHEDULED BY SETTING RESTART GROUP 2.
#			3. MAJOR MODE 00 IS STORED IN THE MODE REGISTER (MODREG).
#			4. SUPERBANK 3 IS SELECTED.
#			5. NODOFLAG IS RESET.
#			6. ALL RESTART GROUPS EXCEPT GROUP2 ARE CLEARED. CONTROL IS TRANSFERRED TO RESTART PROGRAM (GOPROG2)
#			   WHICH CAUSES ALL CURRENT ACTIVITY TO BE DISCONTINUED AND A 9 MINUTE INTEGRATION CYCLE TO BE
#			   INITIATED.
#		B. PROGRAM SELECTES IS P20 OR P25.
#			1. IF THE CURRENT MAJOR MODE IS THE SAME AS THE SELECTED NEWPROGRAM.  THE PROGRAM IS RE-INITIALIZED
#			   VIA V37XEQ, ALL RESTART GROUPS, EXCEPT GROUP 4 ARE CLEARED.
#			2. IF THE CURRENT MAJOR MODE IS NOT EQUAL TO THE NEW REQUEST, A CHECK IS MADE TO SEE IF THE REQUEST-
#			   ED MAJOR MODE HAS BEEN RUNNING THE BACKGROUND,
#			   AND IF IT HAS, NO NEW PROGRAM IS SCHEDULED, THE EXISTING
#			   P20 OR P25 IS RESTARTED TO CONTINUE, AND ITS MM IS SET.
#			3. CONTROL IS TRANSFERRED TO GOPROG2.
#		C. PROGRAM SELECTED IS NEITHER P00, P20, NOR P25
#			1. V37XEQ IS SCHEDULED (AS A JOB) BY SETTING RESTART GROUP 4
#			2. ALL CURRENT ACTIVITY EXCEPT RENDEZVOUS AND TRACKING IS DISCONTINUED BY CLEARING ALL RESTART
#			   GROUPS.  IF THE RENDEZVOUS OR THE P25 FLAG IS ON, GROUP 2 IS NOT CLEARED, ALLOWING THESE PROGRAMS
#			   TO CONTINUE.
#
# INPUT/OUTPUT INFORMATION
#
#	A. CALLING SEQUENCE
#		CONTROL IS DIRECTED TO V37 BY THE VERBFAN ROUTINE.
#		VERBFAN GOES TO C(VERBTAB+C(VERBREG)). VERB 37 = MMCHANG.
#		MMCHANG EXECUTES A `TC POSTJUMP', CADR V37.
#
#	B. ERASABLE INITIALIZATION		NONE
#
# 	C. OUTPUT
# Page 227
#		MAJOR MOD CHANGE
#
#	D. DEBRIS
#		MMNUMBER, MPAC +1, MINDEX, BASETEMP +C(MINDEX), FLAGWRD0, FLAGWRD1, FLAGWRD2, MODREG, GOLOC -1,
#		GOLOC, GOLOC +1, GOLOC +2, BASETEMP, -PHASE2, PHASE2, -PHASE4
#
# PROGRAM ANALYSIS
#
#	A. SUBROUTINES CALLED
#		ALARM, RELDSP, PINBRNCH, INTSTALL, ENGINOF2, ALLCOAST, V37KLEAN, GOPROG2, FALTON, FINDVAC, SUPERSW,
#		DSPMM
#
#	B. NORMAL EXIT				TC ENDOFJOB
#
#	C. ALARMS				1520 (MAJOR MODE CHANGE NOT PERMITTED)

V37		TS	MMNUMBER		# SAVE MAJOR MODE
		CAF	PRIO30			# RESTART AT PINBALL PRIORITY
		TS	RESTREG
		
		CA	IMODES30		# IS IMU BEING INITIALIZED
		MASK	BIT6
		CCS	A
		TCF	CANTROD
		
		CS	MMNUMBER		# IS P70 REQUESTED?
		AD	DEC70
		EXTEND
		BZF	SETUP70			# YES
		AD	ONE			# IS P71 REQUESTED?
		EXTEND
		BZF	SETUP71			# YES
		
		CA	MMNUMBER		# IS NEW REQUEST P00
		EXTEND
		BZF	ISSERVON		# YES, CHECK SERVICER STATUS
		
		CS	FLAGWRD2		# NO, IS NODO V37 FLAG SET
		MASK	NODOBIT
		CCS	A
		TCF	CHECKTAB		# NO
CANTROD		TC	ALARM
		OCT	1520
		
V37BAD		TC	RELDSP			# RELEASES DISPLAY FROM ASTRONAUT

		TC	POSTJUMP		# BRING BACK LAST NORMAL DISPLAY IF THERE
		CADR	PINBRNCH		# WAS ONE.  OTHERWISE DO AN EOJ.
		
CHECKTAB	CA	NOV37MM			# INDEX FOR MM TABLES.

# Page 228
AGAINMM		TS	MPAC +1
		NDX	MPAC +1
		CA	PREMM1			# OBTAIN WHICH MM THIS IS FOR
		MASK	LOW7
		COM
		AD	MMNUMBER
		CCS	A
		CCS	MPAC +1			# IF GR, SEE IF ANY MORE IN LIST
		TCF	AGAINMM			# YES, GET NEXT ONE
		TCF	V37NONO			# LAST TIME OR PASSED MM
		
		CA	MPAC +1
		TS	MINDEX			# SAVE INDEX FOR LATER
		
ISSERVON	CS	FLAGWRD7		# V37 FLAG SET -- I.E., IS SERVICER GOING
		MASK	V37FLBIT
		CCS	A
		TCF	CANV37			# NO

		TC	DOWNFLAG		# YES, TURN OFF THE AVERAGE FLAG AND
		ADRES	AVEGFLAG		# WAIT FOR SERVICER TO RETURN TO CANV37
		
		CAF	V37RETAD
		TS	OUTROUTE
		
		TCF	ENDOFJOB
		
V37RET		CS	FLAGWRD0		# IS P20 OR P22 RUNNING?
		MASK	RNDVZBIT
		CCS	A
		TCF	+2			# NO. CHECK FOR P25.
		TCF	2.7SPT			# YES. DO 2.7SPOT
		CS	FLAGWRD0		# IS P25 RUNNING?
		MASK	P25FLBIT
		CCS	A
2.0SPT		CA	OCT37667
2.11SPT		AD	BIT5
2.7SPT		AD	OCT40072
		TC	PHSCHNGA
		
CANV37		CAF	ZERO
		EXTEND
		WRITE	SUPERBNK
		
		CAF	R00AD
		TS	TEMPFLSH
		
		TC	PHASCHNG
		OCT	14
		
# Page 229
		
R00		TC	INTPRET

		CALL				# WAIT FOR INTEGRATION TO FINISH
			INTSTALL
DUMMYAD		EXIT

		TC	DOWNFLAG
		ADRES	3AXISFLG		# RESET 3-AXIT FLAG
		
		CAF	LRBYBIT			# CLEAN UP THE R12 FLAGWORD.
		TS	FLGWRD11
		
		TC	DOWNFLAG		# INSURE THAT THE R04FLAG IS CLEAR.
		ADRES	R04FLAG
		
		TC	DOWNFLAG		# INSURE MUNFLAG IS CLEAR.
		ADRES	MUNFLAG
		
		TC	DOWNFLAG		# ALLOW X-AXIS OVERRIDE.
		ADRES	XOVINFLG
		CCS	MMNUMBER		# IS THIS A P00H REQUEST
		TCF	NOUVEAU			# NO, PICK UP NEW PROGRAM
		
P00H		TC	RELDSP			# RELEASE DISPLAY SYSTEM

		CAF	PRIO5			# SET VARIABLE RESTART PRIORITY FOR
		TS	PHSPRDT2		# P00 INTEGRATION.
		
		TC	CLRADMOD		# CLRADMOD DOES AN INHINT.
		
		CS	NODOBIT			# TURN OFF NODOFLAG.
		MASK	FLAGWRD2
		TS	FLAGWRD2
		
		CA	FIVE			# SET RESTART FOR STATEINT1
		TS	L
		COM
		DXCH	-PHASE2
		
		CS	OCT700			# TURN OFF P20, P25, IMU IN USE FLAG
		MASK	FLAGWRD0
		TS	FLAGWRD0		#			 REMDFLG
		
		CAF	DNLADP00

SEUDOP00	TS	DNLSTCOD		# SET UP APPROPRIATE DOWNLIST CODE
		TS	AGSWORD			#   (CURRENT LIST WILL BE COMPLETED BEFORE
						#     NEW ONE IS STARTED)
		TC	IBNKCALL
		CADR	ENGINOF1
		
# Page 230
		TC	IBNKCALL		# INSURE ALLCOAST.
		CADR	ALLCOAST		# DOES A RESTORDB.
		
		CS	OCT120			# TURN OFF TRACK, UPDATE FLAGS
		TS	EBANKTEM
		MASK	FLAGWRD1
		TS	FLAGWRD1
		
		TC	IBNKCALL		# KILL GROUPS 1,3,5,6
		CADR	V37KLEAN

		CCS	MMNUMBER		# IS IT P00H
		TCF	RENDV00			# NO
GOMOD		TC	IBNKCALL		# REDUNDANT EXCEPT FOR GROUP 4
		CADR	P00KLEAN
		
		CA	MMNUMBER
		TS	MODREG
		
GOGOPROG	TC	POSTJUMP
		CADR	GOPROG2
		
RENDV00		CS	MODREG			# IS CURRENT PROGRAM 22
		AD	OCT26
		EXTEND
		BZF	RESET22			# YES -- CLEAR RENDEZVOUS FLAG
		
		CS	MMNUMBER		# IS NE PROGRAM P22
		AD	OCT26
		EXTEND
		BZF	RESET22
		
		AD	NEG2			# IS NEW PROGRAM = P20 OR P25
		EXTEND
		BZF	RENDN00			# YES
		AD	FIVE			# 25
		EXTEND
		BZF	RENDN00			# YES

		CA	OCT500			# NO, IS EITHER P20 OR P25 RUNNING
		MASK	FLAGWRD0
		CCS	A
		TCF	P00FIZZ			# YES, LEAVE GROUP 2 TO PICK UP P20 OR P25
		
RESET22		CS	OCT700			# CLEAR RENDEZVOUS, P25
		MASK	FLAGWRD0		# AND IMU IN USE FLAGS
		TS	FLAGWRD0
		TC	CLRADMOD
# Page 231
		
KILL2		EXTEND				# NO, KILL 2
		DCA	NEG0
		DXCH	-PHASE2
		
P00FIZZ		CAF	V37QCAD			# RESTART POINT FOR V37XEQ
		TS	TEMPFLSH
		
		TCF	GOGOPROG
		
RENDN00		CS	MODREG
		AD	OCT24
		EXTEND
		BZF	KILL2			# P20 OR P25 ON TOP OF P20 OR P25 --
		
		AD	FIVE
		EXTEND
		BZF	KILL2
		
		CA	OCT500
		MASK	FLAGWRD0
		AD	MMNUMBER
		COM
		AD	P20REG			# IS IT 20 AND IS RENDEZVOUS FLAG ON
		EXTEND
		BZF	STATQUO			# YES
		AD	OCT305			# IS IT 25 AND IS P25 BIT ON
		EXTEND
		BZF	STATQUO			# YES, LEAVE AS IS
		TCF	KILL2

STATQUO		CS	FLAGWRD1		# SET TRACKFLAG
		MASK	OCT120			#	UPDATE FLAG
		ADS	FLAGWRD1

		TCF	GOMOD

NOUVEAU		CAF	OCT500			# IS P20 OR P25 FLAG SET
		MASK	FLAGWRD0
		CCS	A
		TCF	+3			# YES
		TC	DOWNFLAG		# NO, RESET IMUINUSE FLAG
		ADRES	IMUSE

		INDEX	MINDEX
		CAF	DNLADMM1		# OBTAIN APPROPIRATE DOWNLIST ADDRESS

		INHINT
		TCF	SEUDOP00
		
V37NONO		TC	FALTON			# COME HERE IF MM REQUESTED DOESN'T EXIST
# Page 232
		TCF	V37BAD
		
OCT00010	EQUALS	BIT4
OCT500		OCT	500			# BITS 7 AND 9
OCT305		OCT	305
OCT26		OCT	26
P20REG		OCT	124

V37XEQ		INHINT
		INDEX	MINDEX
		CAF	PREMM1			# OBTAIN PRIO, EBANK, AND MM
		TS	MMTEMP
		TS	CYR			# SHIFT RIGHT TO BITS 14-10
		
		CA	CYR
		MASK	PRIO37
		TS	PHSPRDT4		# PRESET GROUP 4 RESTART PRIORITY
		TS	NEWPRIO			# STORE PRIO FOR SPVAC
		
		CA	MMTEMP			# OBTAIN EBANK -- BITS 8, 9, 10 OF MMTEMP.
		EXTEND
		MP	BIT8
		MASK	LOW3
		TS	L
		
		INDEX	MINDEX
		CAF	FCADRMM1
		TS	BASETEMP		# MAKE BBCON BY ADDING HI5 OR FCADR
		MASK	HI5
		ADS	L
		
		CA	BASETEMP		# OBTAIN GENADR PORTION OF 2CADR.
		MASK	LOW10
		AD	BIT11
		
		TC	SPVAC
		
V37XEQC		CA	MMTEMP			# UPON RETURN FROM FINDVAC PLACE THE
		MASK	LOW7			# NEW MM IN MODREG (THE LOW 7 BITS OF
		TC	NEWMODEA		# PHSPRDT1)
		
		TC	RELDSP			# RELEASE DISPLAY
		TC	ENDOFJOB		# AND EXIT
		
NEG7		EQUALS	OCT77770

MMTEMP		EQUALS	PHSPRDT3
BASETEMP	EQUALS	TBASE4
V37QCAD		CADR	V37XEQ +3
R00AD		CADR	DUMMYAD

# Page 233
V37RETAD	CADR	V37RET
OCT37667	OCT	37667
OCT40072	OCT	40072
OCT700		OCT	700

SETUP71		CAF	THREE
SETUP70		TS	Q
		EXTEND
		DCA	P70CADR
		AD	Q
		DTCB
		
DEC70		DEC	70
		EBANK=	R
P70CADR		2CADR	P70

# FOR VERB 37 TWO TABLES ARE MAINTAINED.  EACH TABLE HAS AN ETRY FOR EACH
# MAJOR MODE THAT CAN BE STARTED FROM THE KEYBOARD.  THE ENTRIES ARE PUT
# INTO THE TABLE WITH THE ENTRY FOR THE HIGHEST MAJOR MODE COMING FIRST,
# TO THE LOWEST MAJOR MODE WHICH IS THE LAST ENTRY IN EACH TABLE.
#
# THE FCADRMM TABLE CONTAINS THE FCADR OF THE STARTING JOB OF
# THE MAJOR MODE.  FOR EXAMPLE, 
#
#	FCADRMM1	FCADR	P79		# START OF P 79
#			FCADR	PROG18		# START OF P 18
#			FCADR	P01		# START OF P 01
#
# NOTE:		THE FIRST ENTRY MUST BE LABELED FCADRMM1.
# -----

FCADRMM1	FCADR	P79
		FCADR	P78
		FCADR	P76
		FCADR	P75
		FCADR	P74
		FCADR	P73
		FCADR	P72
		FCADR	LANDJUNK
		FCADR	P63LM
		FCADR	P57
		FCADR	PROG52
		FCADR	P51
		FCADR	P47LM
		FCADR	P42LM
		FCADR	P41LM
		FCADR	P40LM
		FCADR	P39
		FCADR	P38
# Page 234
		FCADR	P35
		FCADR	P34
		FCADR	P33
		FCADR	P32
		FCADR	P31
		FCADR	P30
		FCADR	PROG25
		FCADR	PROG22
		FCADR	PROG21
		FCADR	PROG20
		FCADR	P12LM
		FCADR	P06
		
# THE PREMM TABLE CONTAINS THE E-BANK, MAJOR MODE, AND PRIORITY
# INFORMATION, IT IS IN THE FOLLOWING FORM,
#
#	PPP PPE EEM MMM MMM
#
#	WHERE THE	7 M BITS CONTAIN THE MAJOR MODE NUMBER
#			3 E BITS CONTAIN THE E-BANK NUMBER
#			5 P BITS CONTAIN THE PRIORITY AT WHICH THE JOB IS
#			    TO BE STARTED
#
#	FOR EXAMPLE,
#
#		PREMM1		OCT	67213		# PRIORITY	33
#							# E-BANK	5
#							# MAJOR MODE	11
#				OCT	25437		# PRIORITY	12
#							# E-BANK	6
#							# MAJOR MODE	31
#
# NOTE:		THE FIRST ENTRY MUST BE LABELED PREMM1

PREMM1		OCT	27717		# MM 79		EBANK 7		PRIO 13
		OCT	27716		# MM 78		EBANK 7		PRIO 13
		OCT	27714		# MM 76		EBANK 7		PRIO 13
		OCT	27713		# MM 75		EBANK 7		PRIO 13
		OCT	27712		# MM 74		EBANK 7		PRIO 13
		OCT	27711		# MM 73		EBANK 7		PRIO 13
		OCT	27710		# MM 72		EBANK 7		PRIO 13
		OCT	27704		# MM 68		EBANK 7		PRIO 13
		OCT	27677		# MM 63		EBANK 7		PRIO 13
		OCT	27271		# MM 57		EBANK 5		PRIO 13
		OCT	27264		# MM 52		EBANK 5		PRIO 13
		OCT	27263		# MM 51		EBANK 5		PRIO 13
		OCT	27657		# MM 47		EBANK 7		PRIO 13
		OCT	27652		# MM 42		EBANK 7		PRIO 13
		OCT	27651		# MM 41		EBANK 7		PRIO 13
		OCT	27650		# MM 40		EBANK 7		PRIO 13
		OCT	27647		# MM 39		EBANK 7		PRIO 13
		OCT	27646		# MM 38		EBANK 7		PRIO 13
# Page 235
		OCT	27643		# MM 35		EBANK 7		PRIO 13
		OCT	27642		# MM 34		EBANK 7		PRIO 13
		OCT	27641		# MM 33		EBANK 7		PRIO 13
		OCT	27640		# MM 32		EBANK 7		PRIO 13
		OCT	27637		#
		OCT	27636		# MM 30		EBANK 7		PRIO 13
		OCT	27631		# MM 25		EBANK 7		PRIO 13
		OCT	27626		# MM 22		EBANK 7		PRIO 13
		OCT	27625		# MM 21		EBANK 7		PRIO 13
		OCT	27624		# MM 20		EBANK 7		PRIO 13
		OCT	27614		# MM 12		EBANK 7		PRIO 13
		OCT	27006		# MM 06		EBANK 4		PRIO 13
		
# NOTE:		THE FOLLOWING CONSTANT IS THE NUMBER OF ENTRIES IN EACH OF
# -----		THE ABOVE LISTS-1 (I.E., THE NUMBER OF MAJOR MODES (EXCEPT P00)
#		THAT CAN BE CALLED FROM THE KEYBOARD MINUS ONE)

NOV37MM		DEC	29		# MM'S -1

DNLADMM1	ADRES	RENDEZVU	# P79
		ADRES	RENDEZVU	# P78
		ADRES	RENDEZVU	 
		ADRES	RENDEZVU	# P75
		ADRES	RENDEZVU	# P74
		ADRES	RENDEZVU	# P73
		ADRES	RENDEZVU	# P72
		ADRES	DESASCNT	# P68
		ADRES	DESASCNT	# P63
		ADRES	LUNRSALN	# P57
		ADRES	COSTALIN	# P52
		ADRES	COSTALIN	# P51
		ADRES	ORBMANUV	# P47
		ADRES	ORBMANUV	# P42
		ADRES	ORBMANUV	# P41
		ADRES	ORBMANUV	# P40
		ADRES	RENDEZVU	# P39
		ADRES	RENDEZVU	# P38
		ADRES	RENDEZVU	# P35
		ADRES	RENDEZVU	# P34
		ADRES	RENDEZVU	# P33
		ADRES	RENDEZVU	# P32
		ADRES   RENDEZVU	# P31LM
		ADRES	RENDEZVU	# P30
		ADRES	RENDEZVU	# P25
		ADRES	LUNRSALN	# P22
		ADRES	RENDEZVU	# P21
		ADRES	RENDEZVU	# P20
		ADRES	DESASCNT	# P12
		ADRES	COSTALIN	# P06
DNLADP00	=	ZERO
COSTALIN	=	0
# Page 236
AGSUPDAT	=	1
RENDEZVU	=	2
ORBMANUV	=	3
DESASCNT	=	4
LUNRSALN	=	5

		BANK	13
		SETLOC	INTINIT
		BANK
		
		COUNT*	$$/INTIN
		
		EBANK=	RRECTCSM
		
# THIS ROUTINE DOES THE P00 INTEGRATION

STATEUP		SET	BOF		# EXTRAPOLATE CM STATE VECTOR
			VINTFLAG
			SURFFLAG	# ALSO 6X6 W-MATRIX IF LM ON LUNAR
			DOINT		# 	SURFACE AND W-MATRIX VALID
		BOF	SET		#	FOR RENDEZVOUS NAVIGATION.
			RENDWFLG
			DOINT
			DIM0FLAG
DOINT		CLEAR	CALL
			PRECIFLG	# ENGAGES 4-TIME STEP LOGIC IN INTEGRATION
			INTEGRV		# WHEN MODREG = 0
			
		BON	DLOAD
			SURFFLAG
			NO-INT
			TETCSM
		STCALL	TDEC1
			INTSTALL
		CLEAR	CALL		# EXTRAPOLATE LM STATE VECTOR
			VINTFLAG
			SETIFLGS
		BOF			# ALSO 9X9 W-MATRIX IF W IS VALID
			RENDWFLG
			DOINT2
		SET	SET
			DIM0FLAG
			D6OR9FLG
DOINT2		SET	CALL
			PRECIFLG	# DISENGAGE 4 TIME STEP LOGIC IN INTEG.
			INTEGRV
NO-INT		CLRGO
			NODOFLAG
			ENDINT
# Page 237			
# THISVINT IS CALLED BY MIDTOAV1 AND 2

THISVINT	CLEAR	RVQ
			VINTFLAG

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Change log

r808 by jim.lawton on May 7, 2011 Diff

Removed workarounds, flagged SBANK= hacks.

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r694 by jim.lawton on Jan 6, 2011 Diff

Fixed a bunch of indentation errors,
comment chars missing. Fixed a few
pseudo-labels not indented at all,
resulting in spurious symbols.

r692 by jim.lawton on Dec 31, 2010 Diff

Fixed a bunch of page number comments.

r390 by jim.lawton on Sep 3, 2009 Diff

Set eol-style on AGC sources to
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