https://github.com/virtualagc/virtualagc
Revision 078c79d8734a9ed2860303a7c1662004284fe853 authored by Ron Burkey on 07 August 2022, 15:04:04 UTC, committed by Ron Burkey on 07 August 2022, 15:04:04 UTC
assembly listings from yaASM and yaLEMAP. Added some debugging messages to 'make install'. Tweaked debugging messages that VirtualAGC embeds in 'simulate'. Verified buildability in Mint 21, 20, 19, 17, and verified buildability using clang in Mint 17.
1 parent 6bb1acc
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
UPDATE_PROGRAM.agc
### FILE="Main.annotation"
## Copyright: Public domain.
## Filename: UPDATE_PROGRAM.agc
## Purpose: Part of the source code for Colossus build 237.
## This is for the Command Module's (CM) Apollo Guidance
## Computer (AGC), for Apollo 8.
## Assembler: yaYUL
## Contact: Jim Lawton <jim DOT lawton AT gmail DOT com>
## Website: www.ibiblio.org/apollo/index.html
## Page Scans: www.ibiblio.org/apollo/ScansForConversion/Colossus237/
## Mod history: 2011-04-17 JL Adapted from corresponding Colossus 249 file.
## 2017-01-01 RSB Proofed comment text using octopus/ProoferComments,
## and fixed errors found.
## 2017-01-20 RSB Fixed comment-text errors noted while diff'ing
## vs Colossus 249.
## 2017-02-09 RSB Comment-text fixes identified for Artemis 72.
## Page 1461
# PROGRAM NAME: P27
# WRITTEN BY: KILROY/ DE WOLF
# MOD NO: 6
# 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 UPLINK
# 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 1462
# 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
# 9 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 1463
# 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* $$/P27
V70UPDAT CAF UP70 # COMES HERE ON V70E
TCF V73UPDAT +1
V71UPDAT CAF UP71 # COMES HERE ON V71E
TCF V73UPDAT +1
V72UPDAT CAF UP72 # COMES HERE ON V72E
TCF V73UPDAT +1
V73UPDAT CAF UP73 # COMES HERE ON V73E
+1 TS UPVERBSV # SAVE UPVERB UNTIL IT'S OK TO ENTER P27
TC TESTXACT # GRAB DISPLAY IF AVAILABLE, OTHERWISE
# TURN*OPERATOR ERROR* ON AND TERMINATEJOB
CA MODREG # CHECK IF UPDATE ALLOWED
EXTEND # FIRST CHECK FOR MODREG = +0, -0
BZF +2 # (+0 = P00, -0 = FRESH START)
TC CKMDMORE # NOW CHECK FOR PROGRAM WHICH CAN BE
# INTERRUPTED BY P27.
CAE MODREG # UPDATE ALLOWED.
TS UPOLDMOD # SAVE CURRENT MAJOR MODE
## Page 1464
CAE UPVERBSV # SET UPVERB TO INDICATE TO P27
TS UPVERB # WHICH EXTENDED VERB CALLED IT.
CAF ONE
TS UPCOUNT # INITIALIZE UPCOUNT TO 1
TC POSTJUMP # LEAVE EXTENDED VERB BANK AND
CADR UPPART2 # GO TO UPDATE PROGRAM(P27) BANK.
CKMDMORE CS FLAGWRD5
MASK BIT8 # CHECK IF COMPUTER IS LGC
CCS A # IS COMPUTER LGC OR AGC
UPERLEM TCF UPERROR # ERROR- IT'S THE LEM + MODE IS NOT POO.
CS TWO
MASK MODREG
CCS A
UPERCMC TCF UPERROR # ERROR- IT'S THE CMC AND MODE IS NOT
# P00 OR P02.
TC Q # ALLOW UPDATE TO PROCEED
UPERROR TC POSTJUMP # TURN ON 'OPERATOR ERROR' LIGHT
CADR UPERROUT +2 # GO TO COMMON UPDATE PROGRAM EXIT
UP70 EQUALS ZERO
UP71 EQUALS ONE
UP72 EQUALS TWO
UP73 EQUALS THREE
BANK 04
SETLOC UPDATE2
BANK
COUNT* $$/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
DEC 27
## Page 1465
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 # (CK4V32 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.
# VERIFY SEQUENCE
## Page 1466
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 TO 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(BIT 3 OF FLAGWRD7) TO
XCH L # INDICATE TO THE GROUND(VIA DOWNLINK)
CAF BIT3 # THAT THE V33(WHICH THE GROUND SENT TO
EXTEND # VERIFY THE UPDATE) HAS BEEN SUCCESSFULLY
RXOR LCHAN # RECEIVED BY THE UPDATE PROGRAM
## Page 1467
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
# ROUTINE TO INCREMENT CLOCK(TIME2,TIME1) WITH CONTENTS OF DP WORD AT UPBUFF.
## Page 1468
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
MASK LOW8 # CALCULATE
TS UPTEMP # S-REG VALUE OF RECEIVING AREA
## Page 1469
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
EBANK= 1400
LXCH 1400 # UPDATE THE REGISTER BY CONTENTS OF L
EBANK= TEPHEM
## Page 1470
CCS MPAC # ARE WE THROUGH 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
ZL
DXCH UPBUFF +12D # DECREMENT LEM STATE VECTOR TIME
DAS TETLEM
## Page 1471
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
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