| @@ -43,8 +43,8 @@ | |||||||
| # GTS IS THE ENTRY TO THE GIMBAL TRIM SYSTEM FOR CONTROLLING ATTITUDE ERRORS AND RATES AS WELL AS ACCELERATIONS. | # GTS IS THE ENTRY TO THE GIMBAL TRIM SYSTEM FOR CONTROLLING ATTITUDE ERRORS AND RATES AS WELL AS ACCELERATIONS. | ||||||
|  |  | ||||||
| GTS		CAF	NEGONE		# MAKE THE NEXT PASS THROUGH THE DAP BE | GTS		CAF	NEGONE		# MAKE THE NEXT PASS THROUGH THE DAP BE | ||||||
| 		TS	COTROLER	# 	THROUGH RCS CONTROL, | 		TS	COTROLER	#   THROUGH RCS CONTROL, | ||||||
| 		CAF	FOUR		#	AND ENSURE THAT IT IS NOT A SKIP. | 		CAF	FOUR		#   AND ENSURE THAT IT IS NOT A SKIP. | ||||||
| 		TS	SKIPU | 		TS	SKIPU | ||||||
| 		TS	SKIPV | 		TS	SKIPV | ||||||
|  |  | ||||||
| @@ -55,11 +55,11 @@ GTS		CAF	NEGONE		# MAKE THE NEXT PASS THROUGH THE DAP BE | |||||||
|  |  | ||||||
| # THE DRIVE SETTING ALGORITHM | # THE DRIVE SETTING ALGORITHM | ||||||
| # | # | ||||||
| #	DEL = SGN(OMEGA + ALPHA*ABS(ALPHA)/(2*K)) | # DEL = SGN(OMEGA + ALPHA*ABS(ALPHA)/(2*K)) | ||||||
| #						    2               1/2                  2       3/2 | #					      2               1/2                  2       3/2 | ||||||
| #	NEGUSUM = ERROR*K + ALPHA*(DEL*OMEGA + ALPHA /(3*K)) + DEL*K   (DEL*OMEGA + ALPHA /(2*K)) | # NEGUSUM = ERROR*K + ALPHA*(DEL*OMEGA + ALPHA /(3*K)) + DEL*K   (DEL*OMEGA + ALPHA /(2*K)) | ||||||
| # | # | ||||||
| #	DRIVE = -SGN(NEGUSUM) | # DRIVE = -SGN(NEGUSUM) | ||||||
|  |  | ||||||
| 		CA	SR		# SAVE THE SR.  SHIFT IT LEFT TO CORRECT | 		CA	SR		# SAVE THE SR.  SHIFT IT LEFT TO CORRECT | ||||||
| 		AD	A		# FOR THE RIGHT SHIFT DUE TO EDITING. | 		AD	A		# FOR THE RIGHT SHIFT DUE TO EDITING. | ||||||
| @@ -71,11 +71,11 @@ GTSGO+ON	CAF	TWO		# SET INDEXER FOR R-AXIS CALCULATIONS. | |||||||
| GOQTRIMG	CAF	ZERO		# SET INDEXER FOR Q-AXIS CALCULATIONS | GOQTRIMG	CAF	ZERO		# SET INDEXER FOR Q-AXIS CALCULATIONS | ||||||
| 		TS	QRCNTR | 		TS	QRCNTR | ||||||
| # Page 1473 | # Page 1473 | ||||||
| # RSB 2009 --------------------------------------------------------------------- | # RSB 2009 ----------------------------------------------------------------------- | ||||||
| # Everything between this line and the similar line below was simply filled-in | # Everything between this line and the similar line below was simply filled-in | ||||||
| # as-is from Luminary 131, and then verified to assemble to the proper binary | # as-is from Luminary 131, and then verified to assemble to the proper binary | ||||||
| # values.  This area is blank on the Luminary 099 print-out, as if the | # values.  This area is blank on the Luminary 099 print-out, as if the printer | ||||||
| # printer ribbon had run out. | # ribbon had run out. | ||||||
| 		INDEX	QRCNTR		# AOS SCALED AT PI/2 | 		INDEX	QRCNTR		# AOS SCALED AT PI/2 | ||||||
| 		CA	AOSQ | 		CA	AOSQ | ||||||
| 		EXTEND | 		EXTEND | ||||||
| @@ -124,7 +124,7 @@ ALGORTHM	EXTEND			# Q(R)DIFF IS THETA (ERROR) SCALED AT PI. | |||||||
| 		EXTEND | 		EXTEND | ||||||
| 		DCS	A		# ALPHA(2)/2 - K | 		DCS	A		# ALPHA(2)/2 - K | ||||||
| 		AD	KCENTRAL | 		AD	KCENTRAL | ||||||
| # RSB 2009 --------------------------------------------------------------------- | # RSB 2009 ----------------------------------------------------------------------- | ||||||
| 		EXTEND | 		EXTEND | ||||||
| 		DV	KCENTRAL	# HIGH ORDER OF QUOTIENT. | 		DV	KCENTRAL	# HIGH ORDER OF QUOTIENT. | ||||||
| 		XCH	A2CNTRAL | 		XCH	A2CNTRAL | ||||||
| @@ -202,7 +202,7 @@ FUNCT3		CA	A2CNTRAL | |||||||
| 		MP	NEG1/3 | 		MP	NEG1/3 | ||||||
| 		ADS	A2CNTRAL +1 | 		ADS	A2CNTRAL +1 | ||||||
| 		TS	L | 		TS	L | ||||||
| 		TCF	+2		# A2CNTRAL NOW CONTAINS -ALPHA(2)/(6*K), | 		TCF	+2		# A2CNTRAL NOW CONTAINS  -ALPHA(2)/(6*K), | ||||||
| 		ADS	A2CNTRAL	# SCALED AT 16*PI, IN D.P. | 		ADS	A2CNTRAL	# SCALED AT 16*PI, IN D.P. | ||||||
|  |  | ||||||
| 		EXTEND | 		EXTEND | ||||||
| @@ -302,7 +302,7 @@ ACDT+C12	CS	NEGUQ | |||||||
| # THE OFFSET ANGULAR ACCELERATION ABOUT THE Q (OR R) AXIS.  INSTEAD OF USING AOSQ(R), TIMEGMBL USES .4*AOSQ(R), | # THE OFFSET ANGULAR ACCELERATION ABOUT THE Q (OR R) AXIS.  INSTEAD OF USING AOSQ(R), TIMEGMBL USES .4*AOSQ(R), | ||||||
| # SCALED AT PI/8.                         FOR EACH AXIS, THE DRIVE TIME IS COMPUTED AS ABS(ALPHA/ACCDOT).  A ZERO | # SCALED AT PI/8.                         FOR EACH AXIS, THE DRIVE TIME IS COMPUTED AS ABS(ALPHA/ACCDOT).  A ZERO | ||||||
| # ALPHA OR ACCDOT OR A ZERO QUOTIENT TURNS OFF THE GIMBAL DRIVE IMMEDIATELY.  OTHERWISE, THE GIMBAL IS TURNED ON | # ALPHA OR ACCDOT OR A ZERO QUOTIENT TURNS OFF THE GIMBAL DRIVE IMMEDIATELY.  OTHERWISE, THE GIMBAL IS TURNED ON | ||||||
| # DRIVING IN THE CORRECT DIRECTION.  THE Q(R)GIMTIMR IS SET TO TERMINATE THE DRIVE AND Q(R)ACCDOT | # DRIVING IN THE CORRECT DIRECTION. THE Q(R)GIMTIMR IS SET TO TERMINATE THE DRIVE AND Q(R)ACCDOT | ||||||
| # IS STORED TO REFLECT THE NEW ACCELERATION DERIVATIVE.  NEGUQ(R) WILL CONTAIN +1,+0,-1 FOR A Q(R)ACCDOT VALUE | # IS STORED TO REFLECT THE NEW ACCELERATION DERIVATIVE.  NEGUQ(R) WILL CONTAIN +1,+0,-1 FOR A Q(R)ACCDOT VALUE | ||||||
| # WHICH IS NEGATIVE, ZERO, OR POSITIVE. | # WHICH IS NEGATIVE, ZERO, OR POSITIVE. | ||||||
| # | # | ||||||
| @@ -323,15 +323,15 @@ ACDT+C12	CS	NEGUQ | |||||||
| # INTERRUPT INHIBITED. | # INTERRUPT INHIBITED. | ||||||
| # | # | ||||||
| # ERASABLE STORAGE CONFIGURATION (NEEDED BY THE INDEXING METHODS): | # ERASABLE STORAGE CONFIGURATION (NEEDED BY THE INDEXING METHODS): | ||||||
| #	                                  NEGUQ    ERASE   +2		 # NEGATIVE OF Q-AXIS GIMBAL DRIVE | # NEGUQ		ERASE	+2			# NEGATIVE OF Q-AXIS GIMBAL DRIVE | ||||||
| #	                                  (SPWORD) EQUALS  NEGUQ +1	 # ANY S.P. ERASABLE NUMBER, NOW THRSTCMD | # (SPWORD)	EQUALS	NEGUQ +1		# ANY S.P. ERASABLE NUMBER, NOW THRSTCMD | ||||||
| #	                                  NEGUR	   EQUALS  NEGUQ +2	 # NEGATIVE OF R-AXIS GIMBAL DRIVE | # NEGUR		EQUALS	NEGUQ +2		# NEGATIVE OF R-AXIS GIMBAL DRIVE | ||||||
| #	                                  ACCDOTQ  ERASE   +2		 # Q-JERK TERM SCALED AT PI/2(7) RAD/SEC(3) | # ACCDOTQ	ERASE	+2			# Q-JERK TERM SCALED AT PI/2(7) RAD/SEC(3) | ||||||
| #	                                  (SPWORD) EQUALS  ACCDOTQ +1	 # ANY S.P. ERASABLE NUMBER NOW QACCDOT | # (SPWORD)	EQUALS	ACCDOTQ +1		# ANY S.P. ERASABLE NUMBER NOW QACCDOT | ||||||
| #	                                  ACCDOTR  EQUALS  ACCDOTQ +2	 # R-JERK TERM SCALED AT PI/2(7) RAD/SEC(3) | # ACCDOTR	EQUALS	ACCDOTQ +2		# R-JERK TERM SCALED AT PI/2(7) RAD/SEC(3) | ||||||
| #						                         # ACCDOTQ, ACCDOTR ARE MAGNITUDES. | #						# ACCDOTQ,ACCDOTR ARE MAGNITUDES. | ||||||
| #	                                  AOSQ     ERASE   +4    	 # Q-AXIS ACC., D.P. AT PI/2 R/SEC(2) | # AOSQ		ERASE   +4			# Q-AXIS ACC., D.P. AT PI/2 R/SEC(2) | ||||||
| #	                                  AOSR	   EQUALS  AOSQ +2	 # R-AXIS ACCELERATION SCALED AT PI/2 R/S2 | # AOSR		EQUALS  AOSQ +2			# R-AXIS ACCELERATION SCALED AT PI/2 R/S2 | ||||||
|  |  | ||||||
| QRNDXER		EQUALS	ITEMP6 | QRNDXER		EQUALS	ITEMP6 | ||||||
| OCT23146	OCTAL	23146			# DECIMAL .6 | OCT23146	OCTAL	23146			# DECIMAL .6 | ||||||
| @@ -358,10 +358,10 @@ ALPHATRY	INDEX	QRNDXER | |||||||
| 		EXTEND | 		EXTEND | ||||||
| 		BZF	TGOFFNOW		# IS ALPHA ZERO? | 		BZF	TGOFFNOW		# IS ALPHA ZERO? | ||||||
|  |  | ||||||
| 		TS	Q			# SAVE A COPY OF -AOS. | 		TS	Q			# SAVE A COPY OF  -AOS. | ||||||
| 		EXTEND				# NO.  RESCALE FOR TIMEGMBL USE. | 		EXTEND				# NO.  RESCALE FOR TIMEGMBL USE. | ||||||
| 		MP	OCT23146		# OCTAL 23146 IS DECIMAL .6 | 		MP	OCT23146		# OCTAL 23146 IS DECIMAL .6 | ||||||
| 		AD	Q			# -1.6*AOS AT PI/2 = -.4*AOS AT PI/8 | 		AD	Q			# -1.6*AOS AT PI/2 = -.4*AOS AT PI/8. | ||||||
| 		TS	L			# WAS THERE OVERFLOW? | 		TS	L			# WAS THERE OVERFLOW? | ||||||
| 		TCF	SETNEGU			# NO.  COMPUTE DRIVE TIME. | 		TCF	SETNEGU			# NO.  COMPUTE DRIVE TIME. | ||||||
|  |  | ||||||
| @@ -433,14 +433,14 @@ DONEYET		CCS	QRNDXER | |||||||
| OCT00240	OCTAL	00240			# DECIMAL 10/1024 | OCT00240	OCTAL	00240			# DECIMAL 10/1024 | ||||||
|  |  | ||||||
| # Page 1481 | # Page 1481 | ||||||
| # THE FOLLOWING SECTION IS A CONTINUATION OF THE TRIM GIMBAL CONTROL FROM THE LAST GTS ENTRY.  THE QUANTITY NEGUSUM | # THE FOLLOWING SECTION IS A CONTINUATION OF THE TRIM GIMBAL CONTROL FROM THE LAST GTS ENTRY. THE QUANTITY NEGUSUM | ||||||
| # IS COMPUTED FOR EACH AXIS (Q,R), .707*DEL*FUNCTION(3/2) + K2THETA = NEGUSUM.  NEW DRIVES ARE ENTERED TO CH 12. | # IS COMPUTED FOR EACH AXIS (Q,R), .707*DEL*FUNCTION(3/2) + K2THETA = NEGUSUM.  NEW DRIVES ARE ENTERED TO CH 12. | ||||||
| # | # | ||||||
| # THE SUBROUTINE GTSQRT ACCEPTS A DOUBLE PRECISION VALUE IN FUNCTION, FUNCTION +1 AND RETURNS A SINGLE-PRECISION | # THE SUBROUTINE GTSQRT ACCEPTS A DOUBLE PRECISION VALUE IN FUNCTION, FUNCTION +1 AND RETURNS A SINGLE-PRECISION | ||||||
| # SQUARE ROOT OF THE FOURTEEN MOST SIGNIFICANT BITS OF THE ARGUMENT.  ALSO, THE CELL SHFTFLAG CONTAINS A BINARY | # SQUARE ROOT OF THE FOURTEEN MOST SIGNIFICANT BITS OF THE ARGUMENT.  ALSO, THE CELL SHFTFLAG CONTAINS A BINARY | ||||||
| # EXPONENT S, SUCH THAT THE SQUARE ROOT (RETURNED IN THE A REGISTER) MUST BE SHIFTED RIGHT (MULTIPLIED BY 2 TO THE | # EXPONENT S, SUCH THAT THE SQUARE ROOT (RETURNED IN THE A REGISTER) MUST BE SHIFTED RIGHT (MULTIPLIED BY 2 TO THE | ||||||
| # POWER (-S)) IN ORDER TO BE THE TRUE SQUARE ROOT OF THE FOURTEEN MOST SIGNIFICANT BITS OF FUNCTION, FUNCTION +1. | # POWER (-S)) IN ORDER TO BE THE TRUE SQUARE ROOT OF THE FOURTEEN MOST SIGNIFICANT BITS OF FUNCTION, FUNCTION +1. | ||||||
| # SQUARE ROOT ERROR IS NOT MORE THAN 2 IN THE 14TH SIGNIFICANT BIT.  CELLS CLOBBERED ARE A,L,SHFTFLAG.ININDEX, | # SQUARE ROOT ERROR IS NOT MORE THAN 2 IN THE 14TH SIGNIFICANT BIT.  CELLS CLOBBERED ARE A,L,SHFTFLAG,ININDEX, | ||||||
| # HALFARG,SCRATCH,SR,FUNCTION, FUNCTION +1.  GTSQRT IS CALLED BY TC GTSQRT AND RETURNS VIA TC Q OR TC FUNCTION +1. | # HALFARG,SCRATCH,SR,FUNCTION, FUNCTION +1.  GTSQRT IS CALLED BY TC GTSQRT AND RETURNS VIA TC Q OR TC FUNCTION +1. | ||||||
| # ZERO OR NEGATIVE ARGUMENTS YIELD ZERO FOR SQUARE ROOTS. | # ZERO OR NEGATIVE ARGUMENTS YIELD ZERO FOR SQUARE ROOTS. | ||||||
|  |  | ||||||
| @@ -506,14 +506,14 @@ SCALDONE	EXTEND | |||||||
| 		TC	ROOTCYCL | 		TC	ROOTCYCL | ||||||
| 		TC	ROOTCYCL | 		TC	ROOTCYCL | ||||||
| 		TC	FUNCTION +1 | 		TC	FUNCTION +1 | ||||||
| # *************************************************************************** | # **************************************************************************************************************** | ||||||
|  |  | ||||||
| RSTOFGTS	TC	GTSQRT | RSTOFGTS	TC	GTSQRT | ||||||
| PRODUCT		XCH	K2CNTRAL | PRODUCT		XCH	K2CNTRAL | ||||||
| 		EXTEND | 		EXTEND | ||||||
| 		MP	K2CNTRAL | 		MP	K2CNTRAL | ||||||
| 		DXCH	K2CNTRAL | 		DXCH	K2CNTRAL | ||||||
| 		EXTEND			#	     THE PRODUCT OF | 		EXTEND			#	      THE PRODUCT OF | ||||||
| 		MP	L		#  1/2                   2       1/2 | 		MP	L		#  1/2                   2       1/2 | ||||||
| 		ADS	K2CNTRAL +1	# K   *(DEL*OMEGA + ALPHA /(2*K)) | 		ADS	K2CNTRAL +1	# K   *(DEL*OMEGA + ALPHA /(2*K)) | ||||||
| 		TS	L		#		  AND | 		TS	L		#		  AND | ||||||
| @@ -596,14 +596,14 @@ CLOSEADR	2CADR	CLOSEOUT	# TERMINATE THE JASK. | |||||||
|  |  | ||||||
| TWELVE		EQUALS	OCT14 | TWELVE		EQUALS	OCT14 | ||||||
| ROOTHALF	OCTAL	26501		# SQUARE ROOT OF 1/2 | ROOTHALF	OCTAL	26501		# SQUARE ROOT OF 1/2 | ||||||
| GMBLBITA	OCTAL	01400		# INDEXED WRT GMBLBITB	DO NOT MOVE ******* | GMBLBITA	OCTAL	01400		# INDEXED WRT GMBLBITB   DO NOT MOVE****** | ||||||
| OCT11276	OCTAL	11276		# POSMAX - ROOTHALF | OCT11276	OCTAL	11276		# POSMAX - ROOTHALF | ||||||
| GMBLBITB	OCTAL	06000		# INDEXED WRT GMBLBITA	DO NOT MOVE ******* | GMBLBITB	OCTAL	06000		# INDEXED WRT GMBLBITA   DO NOT MOVE****** | ||||||
|  |  | ||||||
| # SUBROUTINE ROOTCYCL:	BY CRAIG WORK, 3 APRIL 68 | # SUBROUTINE ROOTCYCL:	BY CRAIG WORK,3 APRIL 68 | ||||||
| # ROOTCYCL IS A SUBROUTINE WHICH EXECUTES ONE NEWTON SQUARE ROOT ALGORITHM ITERATION.  THE INITIAL GUESS AT THE | # ROOTCYCL IS A SUBROUTINE WHICH EXECUTES ONE NEWTON SQUARE ROOT ALGORITHM ITERATION.  THE INITIAL GUESS AT THE | ||||||
| # SQUARE ROOT IS PRESUMED TO BE IN THE A REGISTER AND ONE-HALF THE SQUARE IS TAKEN FROM HALFARG.  THE NEW APPROXI- | # SQUARE ROOT IS PRESUMED TO BE IN THE A REGISTER AND ONE-HALF THE SQUARE IS TAKEN FROM HALFARG.  THE NEW APPROXI- | ||||||
| # MATION TO THE SQUARE ROOT IS RETURNED IN THE A REGISTER.  DEBRIS:  A,L,SR,SCRATCH.  ROOTCYCL IS CALLED FROM | # MATION TO THE SQUARE ROOT IS RETURNED IN THE A REGISTER.  DEBRIS:   A,L,SR,SCRATCH.  ROOTCYCL IS CALLED FROM | ||||||
| # LOCATION (LOC) BY A TC ROOTCYCL, AND RETURNS (TC Q) TO LOC +1. | # LOCATION (LOC) BY A TC ROOTCYCL, AND RETURNS (TC Q) TO LOC +1. | ||||||
| # WARNING:  IF THE INITIAL GUESS IS NOT GREATER THAN THE SQUARE, DIVIDE OR ADD OVERFLOW IS A REAL POSSIBILITY. | # WARNING:  IF THE INITIAL GUESS IS NOT GREATER THAN THE SQUARE, DIVIDE OR ADD OVERFLOW IS A REAL POSSIBILITY. | ||||||
|  |  | ||||||
|   | |||||||
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