Proof-read TVCRESTARTS (#302)
* Proof read pages 956, 957, 958 * Finish proof reading
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						 James Harris
						James Harris
					
				
			
			
				
	
			
			
			
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			| @@ -33,78 +33,64 @@ | ||||
| #			Colossus 2A | ||||
|  | ||||
| # Page 956 | ||||
| # NAME....TVCRESTART PACKAGE, CONSISTING OF REDOTVC, ENABL1, 2, CMDSOUT, PHSCHK2, ETC. | ||||
| # LOG SECTION....TVCRESTARTS			SUBROUTINE....DAPCSM | ||||
| # NAME....TVCRESTART PACKAGE,  CONSISTING OF REDOTVC, ENABL1, 2, CMDSOUT, PHSCHK2, ETC. | ||||
| # LOG SECTION...TVCRESTARTS			SUBROUTINE....DAPCSM | ||||
| # MODIFIED BY SCHLUNDT				21 OCTOBER 1968 | ||||
| # | ||||
| # FUNCTIONAL DESCRIPTION.... | ||||
| # | ||||
| #      *RESTART-PROCESS THE TVC DAPS, INCLUDING PITCHDAP, YAWDAP, | ||||
| #	TVCEXECUTIVE, ROLLDAP, TVCINIT4, TVCDAPON, AND CSM/.M V46 SWTCHOVR. | ||||
| # | ||||
| #      *RESTART-PROOFS THE TVC DAPS, INCLUDING PITCHDAP, YAWDAP, | ||||
| #	TVCEXECUTIVE, ROLLDAP, TVCINIT4, TVCDAPON, AND CSM/LM V46 SWTCHOVR. | ||||
| #      *TVC RESTARTS DESERVE SPECIAL CONSIDERATION IN SEVERAL AREAS. | ||||
| #	RESTART DOWN-TIME IS IMPORTANT BECAUSE OF THE TRANSIENTS INTRODUCED | ||||
| #	BY THE THRUST VECTOR RETURN TO THE ACTUATOR MECHANICAL NULLS | ||||
| #	FOLLOWING TVC- AND OPTICS-ERROR-COUNTER-DISENABLES (CHANNEL 12). | ||||
| #	TVC USES A MIXTURE OF WAITLIST, T5, T6, AND JOB CALLS.  THERE IS | ||||
| #	TVC    USES A MIXTURE OF WAITLIST, T5, T6, AND JOB CALLS. THERE IS | ||||
| #	FILTER MEMORY (UP TO 6TH ORDER) TO BE PROTECTED IF WILD TRANSIENTS | ||||
| #	ARE TO BE AVOIDED.  COUNTERS ARE INVOLVED FOR ONE-SHOT | ||||
| #	CORRECTIONS AND GAIN UPDATES.  THE GIMBAL TRIM ESTIMATORS AND THE | ||||
| #	ARE TO BE AVOIDED. COUNTERS ARE INVOLVED FOR ONE-SHOT | ||||
| #	CORRECTIONS AND GAIN UPDATES. THE GIMBAL TRIM ESTIMATORS AND THE | ||||
| #	BODY AXIS ATTITUDE ERROR INTEGRATORS INVOLVE DIGITAL SUMMATION. | ||||
| #	DIGITAL DIFFERENTIATORS ARE INVOLVED IN THE BODY AXIS RATE ESTIMA- | ||||
| #	TIONS AND IN THE OUTPUTTING OF ACTUATOR COMMANDS.  THERE IS AN | ||||
| #	OFFSET-TRACKER-FILTER TO PROTECT.  ETC., ETC. | ||||
| # | ||||
| #	TIONS AND IN THE OUTPUTTING OF ACTUATOR COMMANDS. THERE IS AN | ||||
| #	OFFSET-TRACKER-FILTER TO PROTECT. ETC., ETC. | ||||
| #      *THOSE QUANTITIES WHICH MUST BE PROTECTED ARE STORED IN TEMPORARY | ||||
| #	REGISTERS AS THEY ARE COMPUTED, FOR UPDATING THE REAL REGISTERS | ||||
| #	DURING COPYCYCLES. | ||||
| # | ||||
| #      *THE SEVERAL COPYCYCLES ARE EACH PROTECTED BY PHASE POINTS AT THEIR | ||||
| #	BEGINNING AND AT THEIR TERMINATION.  THE PHASE POINTS ARE SIMPLY | ||||
| #	"INCR" INSTRUCTIONS, EITHER "INCR TVCEXPHS" FOR COPYCYCLES | ||||
| #	IN THE TVCEXECUTIVE, OR "INCR TVCPHASE" FOR THE PITCH AND YAW | ||||
| #	COPYCYCLES.  INDEXING ON EACH OF THESE POINTERS THEN PERMITS A | ||||
| #	BEGINNING AND AT THEIR TERMINATION. THE PHASE POINTS ARE SIMPLY | ||||
| #	..INCR.. INSTRUCTIONS,   EITHER ..INCR TVCEXPHS.. FOR COPYCYCLES | ||||
| #	IN THE TVCEXECUTIVE, OR ..INCR TVCPHASE.. FOR THE PITCH AND YAW | ||||
| #	COPYCYCLES. INDEXING ON EACH OF THESE POINTERS THEN PERMITS A | ||||
| #	RETURN TO THE APPROPRIATE RESTART POINTS. | ||||
| # | ||||
| #      *IF A RESTART OCCURS DURING EITHER COPYCYCLE, THAT COPYCYCLE IS | ||||
| #	COMPLETED.  THEN THE NORMAL TVCINIT4....DAPINIT....PITCHDAP STARTUP | ||||
| #	COMPLETED. THEN THE NORMAL TVCINIT4....DAPINIT....PITCHDAP STARTUP | ||||
| #	SEQUENCE IS CALLED UPON TO GET THINGS GOING AGAIN. | ||||
| # | ||||
| #      *TVC-ENABLE AND OPTICS-ERROR-COUNTER ENABLE MUST BE SET ASAP | ||||
| #	(ALLOWING FOR PROCEDURAL DELAYS).  THEN THE ENGINES ARE COMMANDED | ||||
| #	TO THE P,YACTOFF TRIM VALUES.  THE DAPS ARE THEN READY TO GO ON THE | ||||
| #	(ALLOWING FOR PROCEDURAL DELAYS). THEN THE ENGINES ARE COMMANDED | ||||
| #	TO THE P,YACTOFF TRIM VALUES. THE DAPS ARE THEN READY TO GO ON THE | ||||
| #	AIR, WITH THE REGULAR STARTUP SEQUENCE, EITHER AT MRCLEAN FOR A | ||||
| #	COMPLETE INITIALIZATION OR AT TVCINIT4 FOR A PARTIAL INITIALIZATION. | ||||
| # | ||||
| #	COMPLETE INITIALIZATION OR AT TVCINIT4 FOR A PARTIAL INITIALIZATION | ||||
| #      *FOR RESTARTS PRIOR TO THE SETTING OF THE T5 BITS AT DOTVCON THE | ||||
| #	PRE40.6 SECTION OF S40.6 TAKES CARE OF RE-ESTABLISHING TRIMS. | ||||
| # | ||||
| #      *IF A RESTART OCCURS DURING THE TVCEXEC....TVCEXFIN SEQUENCE THE | ||||
| #	COMPUTATIONS WILL BE COMPLETED, STARTING AT THE APPROPRIATE RESTART | ||||
| #	POINT, AFTER THE DAPS ARE READY TO GO ON THE AIR. | ||||
| # | ||||
| #      *IF A RESTART OCCURS PRIOR TO TVCINIT4 (TVCPHAS = -1) E.G. DURING | ||||
| #      *IF A RESTART OCCURS PRIOR TO TVCINIT4 (TVCPHASE = -1) E.G. DURING | ||||
| #	THE EARLY DAP INITIALIZATION PHASE, THE DAP STARTUP SEQUENCE IS | ||||
| #	ENTERED AT MRCLEAN FOR A FULL INITIALIZATION. | ||||
| # | ||||
| #      *FOR RESTARTS DURING CSM/LM V46 SWITCH-VER, TVCPHASE IS SET TO -2. | ||||
| #      *FOR RESTARTS DURING CSM/LM V46 SWITCH-OVER, TVCPHASE IS SET TO -2, | ||||
| #	AND THE RESTART LOGIC GOES BACK TO REDO SWITCH-OVER (AFTER THE | ||||
| #	NORMAL DAP RESTART SEQUENCE IS FOLLOWED.) | ||||
| # | ||||
| #	NORMAL DAP RESTART SEQUENCE IS FOLLOWED). | ||||
| #      *RESTARTS ARE NOT CRITICAL TO THE ROLL DAP PERFORMANCES HENCE THE | ||||
| #	ROLL DAP IS MERELY RESTARTED. | ||||
| # | ||||
| #      *RESTARTS DURING A STROKE TEST (STROKER IS NON-ZERO) WILL CAUSE THE | ||||
| # Page 957 | ||||
| #	STROKE TEST TO BE TERMINATED.  A NEW V68 ENTRY WILL BE REQUIRED | ||||
| #	STROKE TEST TO BE TERMINATED. A NEW V68 ENTRY WILL BE REQUIRED | ||||
| #	TO GET IT GOING AGAIN (NO AUTOMATIC RESTART). | ||||
| # | ||||
| #      *REDOTVC IS REACHED FOLLOWING ANY RESTART WHICH FINDS THE T5 BITS | ||||
| #	(BITS 15,14 OF FLAGWRD6) SET FOR TVC.  DOTVCON TVCPHASE = -1 | ||||
| # 	AND TVC EXPHS = 0 JUST BEFORE SETTING THESE BITS, JUST BEFORE | ||||
| #	MAKING THE T5 CALL TO TVCDAPON.  ON A NORMAL SHUTDOWN DOTVCRCS | ||||
| #	CALLS RCSDAPON, WHICH RESETS THE T5 BIT FOR RCS | ||||
| # | ||||
| #	(BITS 15,14 OF FLAGWRD6) SET FOR TVC. DOTVCON SETS TVCPHASE = -1 | ||||
| #	AND TVC EXPHS = 0 JUST BEFORE SETTING THESE BITS, JUST BEFORE | ||||
| #	MAKING THE T5 CALL TO TVCDAPON. ON A NORMAL SHUTDOWN DOTVCRCS | ||||
| #	CALLS RCSDAPON, WHICH RESETS THE T5 BIT FOR RCS. | ||||
| # CALLING SEQUENCE....T5, IN PARTICULAR BY ELRSKIP OF FRESH START/RESTART | ||||
| # | ||||
| # NORMAL EXIT MODES....RESUME, NOQRSM, POSTJUMP (TO TVCINIT4 OR MRCLEAN) | ||||
| @@ -116,12 +102,11 @@ | ||||
| #      *PCOPY+1, YCOPY+1 (PITCH AND YAW COPYCYCLES) | ||||
| #      *ENABLE1,2, CMDSOUT (RE-ESTABLISH ACTUATOR TRIMS) | ||||
| #      *MRCLEAN OR TVCINIT4 (TVCDAP INITIALIZATIONS) | ||||
| #      *SWITCHOVR +5 (CSM/LM V46 SWITCH-OVER) | ||||
| #      *SWICHOVR +5  (CSM/LM V46 SWITCH-OVER) | ||||
| #      *EXRSTRT AND TVCEXECUTIVE PHASE POINTS 1 THRU 6 | ||||
| #      *WAITLIST, IBNKCALL, POSTJUMP, ISWCALL | ||||
| # | ||||
| # OTHER INTERFACES....DOTVCON AND RCSDAPON (T5 BITS), ELRSKIP (CALLS IT) | ||||
| # | ||||
| # ERASABLE INITIALIZATION REQUIRED.... | ||||
| # | ||||
| #      *T5 BITS (1,0), TVCPHASE (-2,-1,0,1,2,3), TVCEXPHS (1 THRU 6) | ||||
| @@ -131,8 +116,8 @@ | ||||
| # | ||||
| # OUTPUT.... | ||||
| # | ||||
| #      *PITCH AND YAW TVC DAP COPYCYCLES COMPLETED IF INTERRUPTED | ||||
| #      *TVCEXECUTIVE COMPLETED IF INTERRUPTED | ||||
| #      *PITCH AND YAW TVC DAP COPYCYCLES COMPLETED IF INTERUPTED | ||||
| #      *TVCEXECUTIVE COMPLETED IF INTERUPTED | ||||
| #      *STROKE TEST TERMINATED IF INTERRUPTED | ||||
| #      *CSM/LM V46 SWITCH-OVER REPEATED IF INTERRUPTED | ||||
| #      *ACTUATOR TRIMS RE-ESTABLISHED (ACTUATORS BACK ON THE AIR) | ||||
| @@ -151,7 +136,7 @@ | ||||
|  | ||||
| REDOTVC		LXCH	BANKRUPT	# TVC RESTART PACKAGE | ||||
| 		EXTEND | ||||
| 		QXCH	QRUPT		# ("TCR" IN "FINCOPY") | ||||
| 		QXCH	QRUPT		# (  ..TCR..  IN  ..FINCOPY..  ) | ||||
|  | ||||
| EXECPHS		CCS	TVCEXPHS	# CHECK TVCEXECUTIVE PHASE | ||||
| 		TCF	+2		#	MUST RESTART TVCEXECUTIVE | ||||
| @@ -174,10 +159,10 @@ TVCDAPHS	CS	OCT37776	# CHECK BITS 15 AND 1 OF TVCPHASE TO SEE | ||||
| 		BZF	TRIM/CMD	# NO. TVCPHASE = -1. RSTRT WAS IN TVCINIT | ||||
|  | ||||
| ENABL1		CAF	BIT8		# TVC ENABLE, FOLLOWED BY 40 MS (MIN) WAIT | ||||
| 		AD	BIT11		#	SET BIT FOR OPTICS-DAC-ENABLE ALSO | ||||
| 		EXTEND			#	(ENABL1 ENTERED FROM TVCDAPHS / FINCOPY) | ||||
| 		AD	BIT11		# SET BIT FOR OPTICS-DAC-ENABLE ALSO | ||||
| 		EXTEND			# (ENABL1 ENTERED FROM TVCDAPHS / FINCOPY) | ||||
| 		WOR	CHAN12 | ||||
| 		CAF	TVCADDR		# WAIT, CALLING ENABL2 (BBCON THERE) | ||||
| 		CAF	TVCADDR		# WAIT.  CALLING ENABL2  (BBCON THERE) | ||||
| 		TS	T5LOC | ||||
| 		CAF	TVCADDR +4	#	60 MS (TVCEXADR) | ||||
| 		TS	TIME5 | ||||
| @@ -186,13 +171,13 @@ ENABL1		CAF	BIT8		# TVC ENABLE, FOLLOWED BY 40 MS (MIN) WAIT | ||||
|  | ||||
| ENABL2		LXCH	BANKRUPT	# CONTINUE PREPARATION OF OUTCOUNTERS | ||||
|  | ||||
| 		CAF	BIT2		# OPTICS ERROR CNTR ENABLE, 4MS MIN WAIT | ||||
| 		CAF	BIT2		# OPTICS ERROR CNTR ENABLE. 4MS MIN WAIT | ||||
| 		EXTEND | ||||
| 		WOR	CHAN12 | ||||
| # Page 959 | ||||
| 		CAF	TVCADDR +2	# WAIT, CALLING CMDSOUT (BBCON THERE) | ||||
| 		TS	T5LOC | ||||
| 		CAF	OCT37776	# 	20MS | ||||
| 		CAF	OCT37776	#	20MS | ||||
| 		TS	TIME5 | ||||
|  | ||||
| 		TCF	NOQRSM | ||||
| @@ -216,7 +201,7 @@ PHSCHK2		CCS	TVCPHASE	# CHECK TVCPHASE AGAIN | ||||
| 		TCF	CHKSTRK | ||||
| 		TCF	CHKSTRK | ||||
| 		CCS	A		# A CONTAINS THE DIMINISHED ABSOLUTE OF | ||||
| 		TC	+3		# TVCPHASE (-2 BECOMES +1. -1 BECOMES +0) | ||||
| 		TC	+3		# TVCPHASE (-2 BECOMES +1, -1 BECOMES +0) | ||||
|  | ||||
| 		TC	POSTJUMP	#	REPEAT TVC INITIALIZATION | ||||
| 		CADR	MRCLEAN		#	(DO NOT RETURN) | ||||
| @@ -239,7 +224,7 @@ FINCOPY		INDEX	TVCPHASE	# PICK UP THE APPROPRIATE COPYCYCLE | ||||
|  | ||||
| TRIM/CMD	EXTEND			# TVCDAPON INITIALIZATION NOT COMPLETED, | ||||
| # Page 960 | ||||
| 		DCA	PACTOFF		#	EG. P,YCMD MAY NOT BE SET.  SET... | ||||
| 		DCA	PACTOFF		#	EG.  P,YCMD MAY NOT BE SET.  SET... | ||||
| 		DXCH	PCMD | ||||
| 		TCF	ENABL1		# NOW PREPARE THE OUTCOUNTERS | ||||
|  | ||||
| @@ -253,19 +238,19 @@ EXRSTRT		INDEX	TVCEXPHS	# TVCEXECUTIVE RESTARTS....GO TO | ||||
| 		INDEX	A | ||||
| 		TCF	0 | ||||
|  | ||||
| # TVC RESTART TABLES.... ORDER IS REQUIRED.  HI-ORDER WORDS ONLY, OF 2CADRS, SINCE BBCON IS ALREADY THERE. | ||||
| # TVC RESTART TABLES.... ORDER IS REQUIRED.   HI-ORDER WORDS ONLY, OF 2CADRS, SINCE BBCON IS ALREADY THERE. | ||||
|  | ||||
| TVCADDR		=	TVCCADR		# TABLE OF CADRS, UNUSED LOCS FOR GENADRS | ||||
| TVCCADR		GENADR	ENABL2		# (FOR T5 CALL, UNUSED TABLE LOC) | ||||
| 	+1	CADR	PCOPY 	+1	# PITCH COPYCYCLE | ||||
| 	+1	CADR	PCOPY +1	# PITCH COPYCYCLE | ||||
| 	+2	GENADR	CMDSOUT		# (FOR T5 CALL, UNUSED TABLE LOC) | ||||
| 	+3	CADR	YCOPY 	+1	# YAW COPYCYCLE | ||||
| 	+3	CADR	YCOPY +1	# YAW COPYCYCLE | ||||
| TVCEXADR	OCT	37772		# (UNUSED TABLE LOC, FILL WITH 60MS, T5) | ||||
| 	+1	GENADR	EXECCOPY +1	# TVCEXECUTIVE RESTART POINTS (ORDERED) | ||||
| 	+2	GENADR	1SHOTCHK | ||||
| 	+3	GENADR	TEMPSET | ||||
| 	+4	GENADR	CORSETUP | ||||
| 	+5	GENADR	CORCOPY	+1 | ||||
| 	+5	GENADR	CORCOPY +1 | ||||
| 	+6	GENADR	CNTRCOPY | ||||
|  | ||||
|  | ||||
|   | ||||
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