mirror of
				https://github.com/chrislgarry/Apollo-11.git
				synced 2025-10-26 04:16:18 +00:00 
			
		
		
		
	* Proof P76 * 1) comma instead of period 2) -- to - 3) remove space after comma * Proof UPDATE_PROGRAM * backquote to single quote
		
			
				
	
	
		
			556 lines
		
	
	
		
			16 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
			
		
		
	
	
			556 lines
		
	
	
		
			16 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
| # Copyright:    Public domain.
 | |
| # Filename:     UPDATE_PROGRAM.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. 1497-1507
 | |
| # Contact:      Ron Burkey <info@sandroid.org>
 | |
| # Website:      http://www.ibiblio.org/apollo.
 | |
| # Mod history:  2009-05-07 RSB	Adapted from Colossus249/UPDATE_PROGRAM.agc
 | |
| #				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 1497
 | |
| # PROGRAM NAME:		P27
 | |
| # WRITTEN BY:		KILROY/ DE WOLF
 | |
| #
 | |
| # MOD NO:		0
 | |
| # MOD BY:		KILROY
 | |
| # DATE:			01DEC67
 | |
| #
 | |
| # LOG SECTION:		UPDATE PROGRAM.
 | |
| #
 | |
| # FUNCT. DESCR.:	P27 (THE UPDATE PROGRAM) PROCESSES COMMANDS AND DATA
 | |
| #			INSERTIONS REQUESTED BY THE GROUND VIA UPLINK.
 | |
| #			THE P27 PROGRAM WILL ACCEPT UPDATES
 | |
| #			ONLY DURING P00 FOR THE LM, AND ONLY DURING P00,
 | |
| #			P02, AND FRESH START FOR THE CSM.
 | |
| #
 | |
| # CALLING SEQ:		PROGRAM IS INITIATED BY UPLINK ENTRY OF VERBS 70, 71, 72, AND 73.
 | |
| #
 | |
| # SUBROUTINES:		TESTXACT, NEWMODEX, NEWMODEX +3, GOXDSPF, BANKCALL, FINDVAC, INTPRET, INTSTALL, TPAGREE,
 | |
| #			INTWAKEU, ENDEXT, POSTJUMP, FALTON, NEWPHASE, PHASCHNG
 | |
| #
 | |
| # NORMAL EXIT:		TC ENDEXT
 | |
| #
 | |
| # ALARM/ABORT:		TC FALTON FOLLOWED BY TC ENDEXT
 | |
| #
 | |
| # RESTARTS:		P27 IS RESTART PROTECTED IN TWO WAYS ...
 | |
| #			1.	PRIOR TO VERIFLAG INVERSION(WHICH IS CAUSED BY THE GROUND/ASTRONAUT'S VERIFICATION OF UPDATE
 | |
| #				DATA BY SENDING A V33E WHEN V21N02 IS FLASHING)---
 | |
| #				NO PROTECTION EXCEPT PRE-P27 MODE IS RESTORED, COAST + ALIGN DOWNLIST IS SELECTED AND UPLINE
 | |
| #				ACTIVITY LIGHT IS TURNED OFF.(JUST AS IF A V34E WAS SENT DURING P27 DATA LOADS).
 | |
| #				V70,V71,V72 OR V73 WILL HAVE TO BE COMPLETELY RESENT BY USER.
 | |
| #			2.	AFTER VERIFLAG INVERSION(WHEN UPDATE OF THE SPECIFIED ERASABLES IS BEING PERFORMED)---
 | |
| #				PROTECTED AGAINST RESTARTS.
 | |
| #
 | |
| # DEBRIS:		UPBUFF	(20D)	TEMP STORAGE FOR ADDRESSES AND CONTENTS.
 | |
| #			UPVERB	(1)	VERB NUMBER MINUS 70D (E.G. FOR V72, UPVERB = 72D - 70D = 2)
 | |
| #			UPOLDMOD(1)	FOR MAJOR MODE INTERRUPTED BY P27.
 | |
| #			COMPNUMB(1)	TOTAL NUMBER OF COMPONENTS TO BE TRANSMITTED.
 | |
| #			UPCOUNT	(1)	ACTUAL NUMBER OF COMPONENTS RECEIVED.
 | |
| #			UPTEMP	(1)	SCRATCH, BUT USUALLY CONTAINS COMPONENT NUMBER TO BE CHANGED DURING VERIFY CYCLE
 | |
| #
 | |
| # INPUT:
 | |
| #
 | |
| #	ENTRY:			DESCRIPTION
 | |
| #
 | |
| #	V70EXXXXXEXXXXXE	(LIFTOFF TIME INCREMENT) DOUBLE PRECISION OCTAL TIME INCREMENT, XXXXX XXXXX,
 | |
| #				IS ADDED TO TEPHEM, SUBTRACTED FROM AGC CLOCK(TIME2,TIME1), SUBTRACTED FROM CSM STATE
 | |
| #				VECTOR TIME(TETCSM) AND SUBTRACTED FROM LEM STATE VECTOR TIME(TETLEM).
 | |
| #				THE DP OCTAL TIME INCREMENT IS SCALED AT 2(28).
 | |
| # Page 1498
 | |
| #	V71EIIEAAAAE		(CONTIGUOUS BLOCK UPDATE) II-2 OCTAL COMPONENTS,XXXXX,
 | |
| #	XXXXXE			ARE LOADED INTO ERASABLE STARTING AT ECADR, AAAA.
 | |
| #	XXXXXE			IT IS .GE. 3 .AND. .LE. 20D.,
 | |
| #				AND (AAAA + II -3) DOES NOT PRODUCE AN ADDRESS IN THE
 | |
| #				NEXT BANK.
 | |
| #	  .			SCALING IS SAME AS INTERNAL REGISTERS.
 | |
| #
 | |
| #	V72EIIE			(SCATTER UPDATE) (II-1)/2 OCTAL COMPONENTS,XXXXX, ARE
 | |
| #	AAAAEXXXXXE		LOADED INTO ERASABLE LOCATIONS, AAAA.
 | |
| #	AAAAEXXXXXE		II IS .GE. 3 .AND. .LE. 19D, AND MUST BE ODD.
 | |
| #	  .			SCALING IS SAME AS INTERNAL REGISTERS.
 | |
| #
 | |
| #	V73EXXXXXEXXXXXE	(OCTAL CLOCK INCREMENT) DOUBLE PRECISION OCTAL TIME
 | |
| #				INCREMENT XXXXX XXXXX, IS ADDED TO THE AGC CLOCK, IN
 | |
| #				CENTISECONDS SCALED AT (2)28.
 | |
| #				THIS LOAD IS THE OCTAL EQUIVALENT OF V55.
 | |
| #
 | |
| # OUTPUT:		IN ADDITION TO THE ABOVE REGISTER LOADS, ALL UPDATES
 | |
| #			COMPLEMENT BIT3 OF FLAGWORD7.
 | |
| #
 | |
| # ADDITIONAL NOTES:	VERB 71, JUST DEFINED ABOVE WILL BE USED TO PERFORM BUT NOT LIMITED TO THE FOLLOWING UPDATES --
 | |
| #			1.  CSM/LM STATE VECTOR UPDATE
 | |
| #			2.  REFSMMAT UPDATE
 | |
| #
 | |
| #	THE FOLLOWING COMMENTS DELINEATE EACH SPECIAL UPDATE ---
 | |
| #
 | |
| #	1.  CSM/LM STATE VECTOR UPDATE(ALL DATA ENTRIES IN OCTAL)
 | |
| #		ENTRIES:	DATA DEFINITION:				SCALE FACTORS:
 | |
| #		V71E		CONTIGUOUS BLOCK UPDATE VERB
 | |
| #		   21E		NUMBER OF COMPONENTS FOR STATE VECTOR UPDATE
 | |
| #		 AAAAE		ECADR OF 'UPSVFLAG'
 | |
| #		XXXXXE		STATE VECTOR IDENTIFIER: 00001 FOR CSM, 77776 FOR LEM - EARTH SPHERE OF INFLUENCE SCALING
 | |
| #							 00002 FOR CSM, 77775 FOR LEM - LUNAR SPHERE OF INFLUENCE SCALING
 | |
| #		XXXXXEXXXXXE	X POSITION
 | |
| #		XXXXXEXXXXXE	Y POSITION
 | |
| #		XXXXXEXXXXXE	Z POSITION
 | |
| #		XXXXXEXXXXXE	X VELOCITY
 | |
| #		XXXXXEXXXXXE	Y VELOCITY
 | |
| #		XXXXXEXXXXXE	Z VELOCITY
 | |
| #		XXXXXEXXXXXE	TIME FROM AGC CLOCK ZERO
 | |
| #		V33E		VERB 33 TO SIGNAL THAT THE STATE VECTOR IS READY TO BE STORED.
 | |
| #
 | |
| #	2.  REFSMMAT(ALL DATA ENTRIES IN OCTAL)
 | |
| #		ENTRIES:	DATA DEFINITIONS:				SCALE FACTORS:
 | |
| # Page 1499
 | |
| #		V71E		CONTIGUOUS BLOCK UPDATE VERB
 | |
| #		   24E		NUMBER OF COMPONENTS FOR REFSMMAT UPDATE
 | |
| #		 AAAAE		ECADR OF 'REFSMMAT'
 | |
| #		XXXXXEXXXXXE	ROW 1 COLUMN 1					2(-1)
 | |
| #		XXXXXEXXXXXE	ROW 1 COLUMN 2					2(-1)
 | |
| #		XXXXXEXXXXXE	ROW 1 COLUMN 3					2(-1)
 | |
| #		XXXXXEXXXXXE	ROW 2 COLUMN 1					2(-1)
 | |
| #		XXXXXEXXXXXE	ROW 2 COLUMN 2					2(-1)
 | |
| #		XXXXXEXXXXXE	ROW 2 COLUMN 3					2(-1)
 | |
| #		XXXXXEXXXXXE	ROW 3 COLUMN 1					2(-1)
 | |
| #		XXXXXEXXXXXE	ROW 3 COLUMN 2					2(-1)
 | |
| #		XXXXXEXXXXXE	ROW 3 COLUMN 3					2(-1)
 | |
| #		V33E		VERB 33 TO SIGNAL THAT REFSMMAT IS READY TO BE STORED.
 | |
| 
 | |
| 		BANK	07
 | |
| 		SETLOC	EXTVERBS
 | |
| 		BANK
 | |
| 
 | |
| 		EBANK=	TEPHEM
 | |
| 
 | |
| 		COUNT*	$$/P27
 | |
| V70UPDAT	CAF	UP70		# COMES HERE ON V70E
 | |
| 		TCF	V73UPDAT +1
 | |
| 
 | |
| V71UPDAT	CAF	UP71		# COMES HERE ON V71E
 | |
| 		TCF	V73UPDAT +1
 | |
| 
 | |
| V72UPDAT	CAF	UP72		# COMES HERE ON V72E
 | |
| 		TCF	V73UPDAT +1
 | |
| 
 | |
| V73UPDAT	CAF	UP73		# COMES HERE ON V73E
 | |
| 
 | |
|  	+1	TS	UPVERBSV	# SAVE UPVERB UNTIL IT'S OK TO ENTER P27
 | |
| 
 | |
| 		TC	TESTXACT	# GRAB DISPLAY IF AVAILABLE, OTHERWISE
 | |
| 					# TURN*OPERATOR ERROR* ON AND TERMINATE JOB
 | |
| 
 | |
| 		CA	MODREG		# CHECK IF UPDATE ALLOWED
 | |
| 		EXTEND			# FIRST CHECK FOR MODREG = +0, -0
 | |
| 		BZF	+2		# (+0 = P00, -0 = FRESH START)
 | |
| 		TC	CKMDMORE	# NOW CHECK FOR PROGRAM WHICH CAN BE
 | |
| 					# INTERRUPTED BY P27.
 | |
| 
 | |
| 		CAE	MODREG		# UPDATE ALLOWED.
 | |
| 		TS	UPOLDMOD	# SAVE CURRENT MAJOR MODE
 | |
| # Page 1500
 | |
| 		CAE	UPVERBSV	# SET UPVERB TO INDICDATE TO P27
 | |
| 		TS	UPVERB		# WHICH EXTENDED VERB CALLED IT.
 | |
| 
 | |
| 		CAF	ONE
 | |
| 		TS	UPCOUNT		# INITIALIZE UPCOUNT TO 1
 | |
| 
 | |
| 		TC	POSTJUMP	# LEAVE EXTENDED VERB BANK AND
 | |
| 		CADR	UPPART2		# GO TO UPDATE PROGRAM(P27) BANK.
 | |
| 
 | |
| CKMDMORE	CS	FLAGWRD5
 | |
| 		MASK	BIT8		# CHECK IF COMPUTER IS LGC
 | |
| 		CCS	A		# IS COMPUER LGC OR AGC
 | |
| UPERLEM		TCF	UPERROR		# ERROR- IT'S THE LEM + MODE IS NOT P00.
 | |
| 		CS	TWO
 | |
| 		MASK	MODREG
 | |
| 		CCS	A
 | |
| UPERCMC		TCF	UPERROR		# ERROR- IT'S THE CMC AND MODE IS NOT
 | |
| 					# P00 OR P02.
 | |
| 		TC	Q		# ALLOW UPDATE TO PROCEED
 | |
| 
 | |
| UPERROR		TC	POSTJUMP	# TURN ON 'OPERATOR ERROR' LIGHT
 | |
| 		CADR	UPERROUT +2	# GO TO COMMON UPDATE PROGRAM EXIT
 | |
| 
 | |
| 		SBANK=	LOWSUPER
 | |
| UP70		EQUALS	ZERO
 | |
| UP71		EQUALS	ONE
 | |
| UP72		EQUALS	TWO
 | |
| UP73		EQUALS	THREE
 | |
| 
 | |
| 		BANK	04
 | |
| 		SETLOC	UPDATE2
 | |
| 		BANK
 | |
| 
 | |
| 		COUNT*	$$/P27
 | |
| 
 | |
| UPPART2		EQUALS			# UPDATE PROGRAM - PART 2
 | |
| 
 | |
| 		TC	PHASCHNG	# SET RESTART GROUP 6 TO RESTORE OLD MODE
 | |
| 		OCT	07026		# AND DOWNLIST AND EXIT IF RESTART OCCURS.
 | |
| 		OCT	30000		# PRIORITY SAME AS CHRPRIO
 | |
| 		EBANK=	UPBUFF
 | |
| 		2CADR	UPOUT +1
 | |
| 
 | |
| 		CAF	ONE
 | |
| 		TS	DNLSTCOD	# DOWNLIST
 | |
| 
 | |
| 		TC	NEWMODEX	# SET MAJOR MODE = 27
 | |
| # Page 1501
 | |
| 		DEC	27
 | |
| 
 | |
| 		INDEX	UPVERB		# BRANCH DEPENDING ON WHETHER THE UPDATE
 | |
| 		TCF	+1		# VERB REQUIRES A FIXED OR VARIABLE NUMBER
 | |
| 		TCF	+3		# V70 FIXED.		   (OF COMPONENTS.
 | |
| 		TCF	OHWELL1		# V71 VARIABLE - GO GET NO. OF COMPONENTS
 | |
| 		TCF	OHWELL1		# V72 VARIABLE - GO GET NO. OF COMPONENTS
 | |
| 		CA	TWO		# V73 (AND V70) FIXED
 | |
| 		TS	COMPNUMB	# SET NUMBER OF COMPONENTS TO 2.
 | |
| 		TCF	OHWELL2		# GO GET THE TWO UPDATE COMPONENTS
 | |
| 
 | |
| OHWELL1		CAF	ADUPBUFF	# * REQUEST USER TO SEND NUMBER  *
 | |
| 		TS	MPAC +2		# * OF COMPONENTS PARAMETER(II). *
 | |
| 	+2	CAF	UPLOADNV	# (CKV432 RETURNS HERE IF V32 ENCOUNTERED)
 | |
| 		TC	BANKCALL	# DISPLAY A FLASHING V21N01
 | |
| 		CADR	GOXDSPF		# TO REQUEST II.
 | |
| 		TCF	UPOUT4		# V34 TERMINATE UPDATE(P27) RETURN
 | |
| 		TCF	OHWELL1 +2
 | |
| 		TC	CK4V32		# DATA OR V32 RETURN
 | |
| 		CS	BIT2
 | |
| 		AD	UPBUFF		# IS II(NUMBER OF COMPONENTS PARAMETER)
 | |
| 		EXTEND			# .GE. 3 AND .LE. 20D.
 | |
| 		BZMF	OHWELL1 +2
 | |
| 		CS	UPBUFF
 | |
| 		AD	UP21
 | |
| 		EXTEND
 | |
| 		BZMF	OHWELL1 +2
 | |
| 		CAE	UPBUFF
 | |
| 		TS	COMPNUMB	# SAVE II IN COMPNUMB
 | |
| 
 | |
| # UPBUFF LOADING SEQUENCE
 | |
| 
 | |
| 		INCR	UPCOUNT		# INCREMENT COUNT OF COMPONENTS RECEIVED.
 | |
| OHWELL2		CAF	ADUPBFM1	# CALCULATE LOCATION(ECADR) IN UPBUFF
 | |
| 		AD	UPCOUNT		# WHERE NEXT COMPONENT SHOULD BE STORED.
 | |
| 	+2	TS	MPAC +2		# PLACE ECADR INTO R3.
 | |
| 	+3	CAF	UPLOADNV	# (CK4V32 RETURNS HERE IF V32 ENCOUNTERED)
 | |
| 		TC	BANKCALL	# DISPLAY A FLASHING V21N01
 | |
| 		CADR	GOXDSPF		# TO REQUEST DATA.
 | |
| 		TCF	UPOUT4		# V34 TERMINATE UPDATE(P27) RETURN.
 | |
| 		TCF	OHWELL2 +3	# V33 PROCEED RETURN
 | |
| 		TC	CK4V32		# DATA OR V32 RETURN
 | |
| 		CS	UPCOUNT		# HAVE WE FINISHED RECEIVING ALL
 | |
| 		AD	COMPNUMB	# THE DATA WE EXPECTED.
 | |
| 		EXTEND
 | |
| 		BZMF	UPVERIFY	# YES- GO TO VERIFICATION SEQUENCE
 | |
| 		TCF	OHWELL2 -1	# NO- REQUEST ADDITIONAL DATA.
 | |
| 
 | |
| # Page 1502
 | |
| # VERIFY SEQUENCE
 | |
| UPVERIFY	CAF	ADUPTEMP	# PLACE ECADR WHERE COMPONENT NO. INDEX
 | |
| 		TS	MPAC +2		# IS TO BE STORED INTO R3.
 | |
| 		CAF	UPVRFYNV	# (CK4V32 RETURNS HERE IF V32 ENCOUNTERED)
 | |
| 		TC	BANKCALL	# DISPLAY A FLASHING V21N02 TO REQUEST
 | |
| 		CADR	GOXDSPF		# DATA CORRECTION OR VERIFICATION.
 | |
| 		TCF	UPOUT4		# V34 TERMINATE UPDATE(P27) RETURN
 | |
| 		TCF	UPSTORE		# V33 DATA SENT IS GOOD.  GO STORE IT.
 | |
| 		TC	CK4V32		# COMPONENT NO. INDEX OR V32 RETURN
 | |
| 		CA	UPTEMP		# DOES THE COMPONENT NO. INDEX JUST SENT
 | |
| 		EXTEND			# SPECIFY A LEGAL COMPONENT NUMBER?
 | |
| 		BZMF	UPVERIFY	# NO, IT IS NOT POSITIVE NONZERO
 | |
| 		CS	UPTEMP
 | |
| 		AD	COMPNUMB
 | |
| 		AD	BIT1
 | |
| 		EXTEND
 | |
| 		BZMF	UPVERIFY	# NO
 | |
| 		CAF	ADUPBFM1	# YES- BASED ON THE COMPONENT NO. INDEX
 | |
| 		AD	UPTEMP		# CALCULATE THE ECADR OF LOCATION IN
 | |
| 		TCF	OHWELL2 +2	# UPBUFF WHICH USER WANTS TO CHANGE.
 | |
| 
 | |
| UPOUT4		EQUALS	UPOUT +1	# COMES HERE ON V34 TC TERMINATE UPDATE
 | |
| 
 | |
| # CHECK FOR VERB 32 SEQUENCE
 | |
| 
 | |
| CK4V32		CS	MPAC		# ON DATA RETURN FROM 'GOXDSPF'
 | |
| 		MASK	BIT6		# ON DATA RETURN FROM "GOXDSP"& THE CON-
 | |
| 		CCS	A		# TENTS OF MPAC = VERB.  SO TEST FOR V32.
 | |
| 		TC	Q		# IT'S NOT A V32, IT'S DATA.  PROCEED.
 | |
| 		INDEX	Q
 | |
| 		TC	0 -6		# V32 ENCOUNTERED - GO BACK AND GET DATA
 | |
| 
 | |
| ADUPTEMP	ADRES	UPTEMP		# ADDRESS OF TEMP STORAGE FOR CORRECTIONS
 | |
| ADUPBUFF	ADRES	UPBUFF		# ADDRESS OF UPDATE DATA STORAGE BUFFER
 | |
| UPLOADNV	VN	2101		# VERB 21 NOUN 01
 | |
| UPVRFYNV	VN	2102		# VERB 21 NOUN 02
 | |
| UP21		=	MD1		# DEC 21 = MAX NO OF COMPONENTS +1
 | |
| UPDTPHAS	EQUALS	FIVE
 | |
| 
 | |
| # PRE-STORE AND FAN TO APPROPRIATE BRANCH SEQUENCE
 | |
| 
 | |
| UPSTORE		EQUALS			# GROUND HAS VERIFIED UPDATE. STORE DATA.
 | |
| 
 | |
| 		INHINT
 | |
| 
 | |
| 		CAE	FLAGWRD7	# INVERT VERIFLAG(BIT3 OF FLAGWRD7) TO
 | |
| 		XCH	L		# INDICATE TO THE GROUND(VIA DOWNLINK)
 | |
| 		CAF	BIT3		# THAT THE V33(WHICH THE GROUND SENT TO
 | |
| # Page 1503
 | |
| 		EXTEND			# VERIFY THE UPDATE) HAS BEEN SUCCESSFULLY
 | |
| 		RXOR	LCHAN		# RECEIVED BY THE UPDATE PROGRAM
 | |
| 		TS	FLAGWRD7
 | |
| 
 | |
| 		TC	PHASCHNG	# SET RESTART GROUP 6 TO REDO THE UPDATE
 | |
| 		OCT	04026		# DATA STORE IF A RESTART OCCURS.
 | |
| 		INHINT			# (BECAUSE PHASCHNG DID A RELINT)
 | |
| 
 | |
| 		CS	TWO		# GO TO UPFNDVAC IF INSTALL IS REQUIRED,
 | |
| 		AD	UPVERB		# THAT IS, IF IT'S A V70 - V72.
 | |
| 		EXTEND			# GO TO UPEND73 IF IT'S A V73.
 | |
| 		BZMF	UPFNDVAC
 | |
| 
 | |
| # VERB 73 BRANCH
 | |
| 
 | |
| UPEND73		EXTEND			# V73-PERFORM DP OCTAL AGC CLOCK INCREMENT
 | |
| 		DCA	UPBUFF
 | |
| 		DXCH	UPBUFF +8D
 | |
| 		TC	TIMEDIDL
 | |
| 		TC	FALTON		# ERROR- TURN ON *OPERATOR ERROR* LIGHT
 | |
| 		TC	UPOUT +1	# GO TO COMMON UPDATE PROGRAM EXIT
 | |
| 
 | |
| UPFNDVAC	CAF	CHRPRIO		# (USE EXTENDED VERB PRIORITY)
 | |
| 		TC	FINDVAC		# GET VAC AREA FOR 'CALL INTSTALL'
 | |
| 		EBANK=	TEPHEM
 | |
| 		2CADR	UPJOB		# (NOTE:  THIS WILL ALSO SET EBANK FOR
 | |
| 		TC	ENDOFJOB	# 'TEPHEM' UPDATE BY V70)
 | |
| 
 | |
| UPJOB		TC	INTPRET		# THIS COULD BE A STATE VECTOR UPDATE--SO
 | |
| 		CALL			# WAIT(PUT JOB TO SLEEP) IF ORBIT INT(OI)
 | |
| 			INTSTALL	# IS IN PROGRESS--OR--GRAB OI AND RETURN
 | |
| 					# TO UPWAKE IF OI IS NOT IN PROGRESS.
 | |
| 
 | |
| UPWAKE		EXIT
 | |
| 
 | |
| 		TC	PHASCHNG	# RESTART PROTECT(GROUP 6)
 | |
| 		OCT	04026
 | |
| 
 | |
| 		TC	UPFLAG		# SET INTEGRATION RESTART BIT
 | |
| 		ADRES	REINTFLG
 | |
| 		INHINT
 | |
| UPPART3		EQUALS
 | |
| 
 | |
| 		INDEX	UPVERB		# BRANCH TO THE APPROPRIATE UPDATE VERB
 | |
| 		TCF	+1		# ROUTINE TO ACTUALLY PERFORM THE UPDATE
 | |
| 		TCF	UPEND70		# V70
 | |
| 		TCF	UPEND71		# V71
 | |
| 		TCF	UPEND72		# V72
 | |
| 
 | |
| # Page 1504
 | |
| # ROUTINE TO INCREMENT CLOCK(TIME2,TIME1) WITH CONTENTS OF DP WORD AT UPBUFF.
 | |
| TIMEDIDL	EXTEND
 | |
| 		QXCH	UPTEMP		# SAVE Q FOR RETURN
 | |
| 		CAF	ZERO		# ZERO AND SAVE TIME2,TIME1
 | |
| 		ZL
 | |
| 		DXCH	TIME2
 | |
| 		DXCH	UPBUFF +18D	# STORE IN CASE OF OVERFLOW
 | |
| 
 | |
| 		CAF	UPDTPHAS	# DO
 | |
| 		TS	L		# A
 | |
| 		COM			# QUICK
 | |
| 		DXCH	-PHASE6		# PHASCHNG
 | |
| 
 | |
| TIMEDIDR	INHINT
 | |
| 		CAF	ZERO
 | |
| 		ZL			# PICK UP INCREMENTER(AND ZERO
 | |
| 		TS	MPAC +2		# IT IN CASE OF RESTARTS) AND
 | |
| 		DXCH	UPBUFF +8D	# STORE IT
 | |
| 		DXCH	MPAC		# INTO MPAC FOR TPAGREE.
 | |
| 
 | |
| 		EXTEND
 | |
| 		DCA	UPBUFF +18D
 | |
| 		DAS	MPAC		# FORM SUM IN MPAC
 | |
| 		EXTEND
 | |
| 		BZF	DELTATOK	# TEST FOR OVERFLOW
 | |
| 		CAF	ZERO
 | |
| 		DXCH	UPBUFF +18D	# OVERFLOW, RESTORE OLD VALUE OF CLOCK
 | |
| 		DAS	TIME2		# AND TURN ON OPERATOR ERROR
 | |
| 
 | |
| 		TC	PHASCHNG	# RESTART PROTECT(GROUP 6)
 | |
| 		OCT	04026
 | |
| 
 | |
| 		TC	UPTEMP		# GO TO ERROR EXIT
 | |
| 
 | |
| DELTATOK	TC	TPAGREE		# FORCE SIGN AGREEMENT
 | |
| 		DXCH	MPAC
 | |
| 		DAS	TIME2		# INCREMENT TIME2,TIME1
 | |
| 
 | |
| 		TC	PHASCHNG	# RESTART PROTECT(GROUP 6)
 | |
| 		OCT	04026
 | |
| 
 | |
| 		INHINT
 | |
| 		INDEX	UPTEMP		# (CODED THIS WAY FOR RESTART PROTECTION)
 | |
| 		TC	1		# NORMAL RETURN
 | |
| 
 | |
| # VERB 71 BRANCH
 | |
| 
 | |
| UPEND71		CAE	UPBUFF +1	# SET EBANK
 | |
| 		TS	EBANK		#	AND
 | |
| # Page 1505
 | |
| 		MASK	LOW8		# CALCULATE
 | |
| 		TS	UPTEMP		# S-REG VALUE OF RECEIVING AREA
 | |
| 
 | |
| 		AD	NEG3		# IN THE PROCESS OF
 | |
| 		AD	COMPNUMB	# PERFORMING
 | |
| 		EXTEND			# THIS UPDATE
 | |
| 		BZF	STORLP71	# WILL WE
 | |
| 		MASK	BIT9		# OVERFLOW
 | |
| 		CCS	A		# INTO THE NEXT EBANK....
 | |
| 		TCF	UPERROUT	# YES
 | |
| 
 | |
| 		CA	NEG3		# NO- CALCULATE NUMBER OF
 | |
| 		AD	COMPNUMB	# WORDS TO BE STORED MINUS ONE
 | |
| STORLP71	TS	MPAC		# SAVE NO. OF WORDS REMAINING MINUS ONE
 | |
| 		INDEX	A		# TAKE NEXT UPDATE WORD FROM
 | |
| 		CA	UPBUFF +2	# UPBUFF AND
 | |
| 		TS	L		# SAVE IT IN L
 | |
| 		CA	MPAC		# CALCULATE NEXT
 | |
| 		AD	UPTEMP		# RECEIVING ADDRESS
 | |
| 		INDEX	A
 | |
| 		EBANK=	1400
 | |
| 		LXCH	1400		# UPDATE THE REGISTER  BY CONTENTS OF L
 | |
| 		EBANK=	TEPHEM
 | |
| 		CCS	MPAC		# ARE THERE ANY WORDS LEFT TO BE STORED
 | |
| 		TCF	STORLP71	# YES
 | |
| 		TCF	UPOUT		# NO- THEN EXIT UPDATE PROGRAM
 | |
| ADUPBFM1	ADRES	UPBUFF -1	# SAME AS ADUPBUFF BUT LESS 1 (DON'T MOVE)
 | |
| 		TCF	UPOUT		# NO- EXIT UPDATE(HERE WHEN COMPNUMB = 3)
 | |
| 
 | |
| # VERB 72 BRANCH
 | |
| 
 | |
| UPEND72		CAF	BIT1		# HAVE AN ODD NO. OF COMPONENTS
 | |
| 		MASK	COMPNUMB	# BEEN SENT FOR A V72 UPDATE...
 | |
| 		CCS	A
 | |
| 		TCF	+2		# YES
 | |
| 		TCF	UPERROUT	# ERROR- SHOULD BE ODD NO. OF COMPONENTS
 | |
| 		CS	BIT2
 | |
| 		AD	COMPNUMB
 | |
| LDLOOP72	TS	MPAC		# NOW PERFORM THE UPDATE
 | |
| 		INDEX	A
 | |
| 		CAE	UPBUFF +1	# PICK UP NEXT UPDATE WORD
 | |
| 		LXCH	A
 | |
| 		CCS	MPAC		# SET POINTER TO ECADR(MUST BE CCS)
 | |
| 		TS	MPAC
 | |
| 		INDEX	A
 | |
| 		CAE	UPBUFF +1	# PICK UP NEXT ECADR OF REG TO BE UPDATED
 | |
| 		TS	EBANK		# SET EBANK
 | |
| 		MASK	LOW8		# ISOLATE RELATIVE ADDRESS
 | |
| 		INDEX	A
 | |
| 
 | |
| # Page 1506
 | |
| 		EBANK=	1400
 | |
| 		LXCH	1400		# UPDATE THE REGISTER BY CONTENTS OF L
 | |
| 		EBANK=	TEPHEM
 | |
| 		CCS	MPAC		# ARE WE THORUGH THE V72 UPDATE...
 | |
| 		TCF	LDLOOP72	# NO
 | |
| 
 | |
| # NORMAL FINISH OF P27
 | |
| 
 | |
| UPOUT		EQUALS
 | |
| 		TC	INTWAKEU	# RELEASE  GRAB  OF ORBITAL INTEGRATION
 | |
| 	+1	CAE	UPOLDMOD	# RESTORE PRIOR P27 MODE
 | |
| 		TC	NEWMODEX +3
 | |
| 		CAF	ZERO
 | |
| 		TS	DNLSTCOD
 | |
| 		TC	UPACTOFF	# TURN OFF 'UPLINK ACTIVITY' LIGHT
 | |
| 
 | |
| 		EXTEND			# KILL GROUP 6
 | |
| 		DCA	NEG0
 | |
| 		DXCH	-PHASE6
 | |
| 
 | |
| 		TC	ENDEXT		# EXTENDED VERB EXIT
 | |
| 
 | |
| # VERB 70 BRANCH
 | |
| 
 | |
| UPEND70		EXTEND			# V70 DOES THE FOLLOWING WITH DP DELTA
 | |
| 		DCS	UPBUFF		# TIME IN UPBUFF
 | |
| 		DXCH	UPBUFF +8D
 | |
| 		TC	TIMEDIDL	# DECREMENT AGC CLOCK
 | |
| 
 | |
| 		TC	UPERROUT	# ERROR WHILE DECREMENTING CLOCK -- EXIT
 | |
| 
 | |
| 		EBANK=	TEPHEM
 | |
| 		EXTEND
 | |
| 		DCS	UPBUFF		# COPY DECREMENTERS FOR
 | |
| 		DXCH	UPBUFF +10D	# RESTART PROTECTION
 | |
| 		EXTEND
 | |
| 		DCS	UPBUFF
 | |
| 		DXCH	UPBUFF +12D
 | |
| 
 | |
| 		TC	PHASCHNG	# RESTART PROTECT(GROUP 6)
 | |
| 		OCT	04026
 | |
| 
 | |
| 		CAF	ZERO
 | |
| 		ZL
 | |
| 		DXCH	UPBUFF +10D	# DECREMENT CSM STATE VECTOR TIME
 | |
| 		DAS	TETCSM
 | |
| 
 | |
| 		CAF	ZERO
 | |
| # Page 1507
 | |
| 		ZL
 | |
| 		DXCH	UPBUFF +12D	# DECREMENT LEM STATE VECTOR TIME
 | |
| 		DAS	TETLEM
 | |
| 
 | |
| 		CAF	ZERO
 | |
| 		ZL
 | |
| 		DXCH	UPBUFF
 | |
| 		DAS	TEPHEM +1	# INCREMENT TP TEPHEM
 | |
| 		ADS	TEPHEM
 | |
| 
 | |
| 		TC	PHASCHNG	# RESTART PROTECT(GROUP 6)
 | |
| 		OCT 	04026
 | |
| 
 | |
| 		EBANK=	UPBUFF
 | |
| 
 | |
| 		TC	UPOUT		# GO TO STANDARD UPDATE PROGRAM EXIT
 | |
| 
 | |
| # ERROR SEQUENCE
 | |
| 
 | |
| UPERROUT	TC	FALTON		# TURN ON *OPERATOR ERROR* LIGHT
 | |
| 		TCF	UPOUT		# GO TO COMMON UPDATE PROGRAM EXIT
 | |
| 
 | |
| 	+2	TC	FALTON		# TURN ON 'OPERATOR ERROR' LIGHT
 | |
| 		TC	UPACTOFF	# TURN OFF'UPLINK ACTIVITY'LIGHT
 | |
| 		TC	ENDEXT		# EXTENDED VERB EXIT
 | |
| 					# (THE PURPOSE OF UPERROUT +2 EXIT IS
 | |
| 					# TO PROVIDE AN ERROR EXIT WHICH DOES NOT
 | |
| 					# RESET ANY RESTART GROUPS)
 | |
| 
 | |
| # :UPACTOFF: IS A ROUTINE TO TURN OFF UPLINK ACTIVITY LIGHT ON ALL EXITS FROM UPDATE PROGRAM(P27).
 | |
| 
 | |
| UPACTOFF	CS	BIT3
 | |
| 		EXTEND			# TURN OFF UPLINK ACTIVITY LIGHT
 | |
| 		WAND	DSALMOUT	# (BIT 3 OF CHANNEL 11)
 | |
| 		TC	Q
 |