perm filename ARMSOL[SYS,HE]1 blob sn#069206 filedate 1973-11-08 generic text, type T, neo UTF8
COMMENT ⊗   VALID 00014 PAGES 
RECORD PAGE   DESCRIPTION
 00001 00001
 00003 00002		TITLE ARMSOL
 00004 00003		BEGIN CROSS
 00005 00004		BEGIN SECOND
 00006 00005		BEGIN ANGLE
 00008 00006		BEGIN SOLVE
 00012 00007	WE NOW NEED SOME SINES AND COSINES
 00014 00008	NOW JOINT 4
 00017 00009	DEGEN:	SETZM J+4		JOINT 5 IS ZERO
 00018 00010	FLAG:	0
 00019 00011		BEGIN UPDATE
 00022 00012	MUL:	MOVEI J,2
 00023 00013	TH:	BLOCK 6
 00024 00014		BEGIN TRANSMULT
 00026 ENDMK
⊗;
	TITLE ARMSOL

;THESE ROUTINES TOGETHER WITH SAITRG[SYS,HE] OCCUPY 1243 OCTAL WORDS

	INTERNAL ANGLE,SOLVE,UPDATE,TIMES
	EXTERNAL ACOS,SQRT,ATAN2,ASIN,ACOS,SIND,COSD
	↓AC←1
	↓P←17

	S2V←←6.05
	S22V←←36.6025
	S6V←←9.38

↓RAD:	206712273406
↓SHOLDER:20.035
	10.305
	16.24
	BEGIN CROSS
;CROSS(R,P,A) RETURNS THE CROSS PRODUCT IN R
;TIME APPROX 180 MICRO SECONDS

	TAC1←←2
	PV1←←3
	PV2←←4
	PV3←←5
	AV1←←6
	AV2←←7
	AV3←←10
	O←←11

↑CROSS:
	HRL AC,-2(P)		;MOVE PV INTO AC'S
	HRRI AC,PV1
	BLT AC,PV3
	HRL AC,-1(P)		;MOVE AV INTO AC'S
	HRRI AC,AV1
	BLT AC,AV3
	MOVE O,-3(P)		
	MOVE AC,PV2
	FMPR AC,AV3
	MOVE TAC1,PV3
	FMPR TAC1,AV2
	FSBR AC,TAC1
	MOVEM AC,(O)
	FMPR PV3,AV1
	FMPR AV3,PV1
	FSBR PV3,AV3
	MOVEM PV3,1(O)
	FMPR PV1,AV2
	FMPR AV1,PV2
	FSBR PV1,AV1
	MOVEM PV1,2(O)
	SUB P,[4(4)]
	JRST @4(P)
	BEND

	BEGIN SECOND
;SECOND(A) RETURNS THE MAGNITUDE SQUARED OF THE VECTOR
;TIME APPROX 90 MICRO SEC

	A←←4

↑SECOND:
	HRL A,-1(P)
	HRRI A,AC
	BLT A,AC+2
	FMPR AC,AC
	FMPR AC+1,AC+1
	FMPR AC+2,AC+2
	FADR AC,AC+1
	FADR AC,AC+2
	SUB P,[2(2)]
	JRST @2(P)
	BEND

	BEGIN ANGLE
;ANGLE(P,A,O) RETURNS THE ANGLE BETWEEN P AND A IN DEGREES ABOUT O
;A AND P MUST BE UNIT VECTORS. I.E. DIRECTION COSINES
;COMPUTES THE ANGLE=ACOS(PV1*AV1 + PV2*AV2 + PV3*AV3)
;AND THEN THE DETERMINANT
;	| O1  O2  O3|
;	|PV1 PV2 PV3|
;	|AV1 AV2 AV3|
;AND IF POSITIVE MULTIPLIES THE ANGLE BY -1;
;TIME APPROX 550 MICRO SECONDS

	TAC1←←2
	PV1←←3
	PV2←←4
	PV3←←5
	AV1←←6
	AV2←←7
	AV3←←10
	O←←11
	I←←12

↑ANGLE:
	HRL AC,-3(P)		;MOVE PV INTO AC'S
	HRRI AC,PV1
	BLT AC,PV3
	HRL AC,-2(P)		;MOVE AV INTO AC'S
	HRRI AC,AV1
	BLT AC,AV3
	MOVEI I,2		;COMPUTE DOT PRODUCT
	MOVE AC,PV1
	FMPR AC,AV1
L1:	MOVE TAC1,PV1(I)
	FMPR TAC1,AV1(I)
	FADR AC,TAC1
	SOJG I,L1
	MOVEM AC,DOT
	MOVE O,-1(P)		;COMPUTE DETERMINANT
	MOVE AC,PV2
	FMPR AC,AV3
	MOVE TAC1,PV3
	FMPR TAC1,AV2
	FSBR AC,TAC1
	FMPR AC,(O)
	FMPR PV3,AV1
	FMPR AV3,PV1
	FSBR PV3,AV3
	FMPR PV3,1(O)
	FADR AC,PV3
	FMPR PV1,AV2
	FMPR AV1,PV2
	FSBR PV1,AV1
	FMPR PV1,2(O)
	FADR AC,PV1
	MOVEM AC,DET
	PUSH P,DOT
	PUSHJ P,ACOS
	FMPR AC,RAD
	SKIPL DET		;NEGATE ANGLE IF DET NEGATIVE
	MOVN AC,AC
	SUB P,[4(4)]
	JRST @4(P)
DOT:	0
DET:	0
	BEND

	BEGIN SOLVE
;SOLVE(T,J) GIVEN THE TRANSFORM T, RETURNS THE SOLUTION IN "J"
;RETURNS FALSE IF THE SOLUTION IS NOT CORRECT DUE TO STOP LIMITS.
;TIME APPROX 4 M. SEC

	TAC←←2
	I←←3

↑SOLVE:
	SETOM FLAG			;SET RETURN FLAG TRUE
	SETZM FLIP			;SET TRUE IF JOINT 4 FLIPS
	HRL AC,-1(P)			;INITIALIZE J
	HRRI AC,J
	BLT AC,J+5
;COMPUTE W=P-SHOLDER-A*S6
	HRRZ AC,-2(P)		;MOVE P INTO MEMORY
	MOVE TAC,3(AC)
	MOVEM TAC,PV1
	MOVE TAC,7(AC)
	MOVEM TAC,PV1+1
	MOVE TAC,13(AC)
	MOVEM TAC,PV1+2
	MOVE TAC,2(AC)		;MOVE A INTO MEMORY
	MOVEM TAC,AV1
	MOVE TAC,6(AC)
	MOVEM TAC,AV1+1
	MOVE TAC,12(AC)
	MOVEM TAC,AV1+2
	MOVE TAC,1(AC)		;MOVE O INTO MEMORY
	MOVEM TAC,OV1
	MOVE TAC,5(AC)
	MOVEM TAC,OV1+1
	MOVE TAC,11(AC)
	MOVEM TAC,OV1+2
;J2=DOT(W,W)-S2↑2
	MOVN TAC,S22		;INITIALIZE TAC TO -S22
	MOVEI I,2		;COMPUTE THE DOT PRODUCT
L1:	MOVE AC,AV1(I)
	FMPR AC,S6
	FADR AC,SHOLDER(I)
	FSBR AC,PV1(I)
	MOVEM AC,W(I)		;-W(I)
	FMPR AC,AC
	MOVEM AC,W2(I)		;W(I)↑2
	FADR TAC,AC
	SOJGE I,L1
	JUMPLE TAC,[SETZ AC,
		JRST NSR]
	PUSH P,TAC
	PUSHJ P,SQRT
NSR:	CAMLE AC,STOP+3		;CHECK THE STOPS 
	JRST[	SETZM FLAG
		MOVE AC,STOP+3
		JRST M3]
	CAMGE AC,STOP+2
	JRST[	SETZM FLAG
		MOVE AC,STOP+2
	M3:	FADR AC,J+2
		FSC AC,-1	;HALF WAY BETWEEN STOP AND LAST JOINT ANGLE
		JRST OK3]
OK3:	MOVEM AC,J+2		;JOINT THREE
;NOW COMPUTE TH FOR JOINT 1
	PUSH P,W+1
	PUSH P,W
	PUSHJ P,ATAN2
	JUMPL AC,ISP
	FSBR AC,TPI
ISP:	MOVEM AC,J
;NOW COMPUTE THE BOOM OFFSET
	MOVE AC,W2+1
	FADR AC,W2
	PUSH P,AC
	PUSHJ P,SQRT
	MOVE TAC,S2
	FDVR TAC,AC
	CAML TAC,[1.0]
	MOVSI TAC,(1.0)
	PUSH P,TAC
	PUSHJ P,ASIN
	FADR AC,J		;ADD J
	FMPR AC,RAD
	CAMLE AC,STOP+1		;AND CHECK THE STOPS FOR JOINT 1
	JRST[	SETZM FLAG
		MOVE AC,STOP+1
		JRST M1]
	CAMGE AC,STOP
	JRST[	SETZM FLAG
		MOVE AC,STOP
	M1:	FADR AC,J
		FSC AC,-1	;HALF WAY BETWEEN STOP AND LAST JOINT ANGLE
		JRST OK1]
OK1:	MOVEM AC,J		;JOINT ONE
;JOINT 2-ACOS(W3/J3)
	MOVN AC,W+2
	FDVR AC,J+2
	MOVEM AC,CO2
	PUSH P,AC
	PUSHJ P,ACOS
	FMPR AC,RAD
	MOVNM AC,J+1		;JOINT TWO
;WE NOW NEED SOME SINES AND COSINES
	PUSH P,J
	PUSHJ P,SIND
	MOVEM AC,SI1
	PUSH P,J
	PUSHJ P,COSD
	MOVEM AC,CO1
	PUSH P,J+1
	PUSHJ P,SIND
	MOVEM AC,SI2
;WE NOW COMPUTE THE UNIT VECTORS AT THE END OF LINK 3
	MOVE AC,CO1
	FMPR AC,CO2
	MOVEM AC,Y
	MOVE AC,SI1
	FMPR AC,CO2
	MOVEM AC,Y+1
	MOVE AC,SI2
	MOVNM AC,Y+2
	FMPR AC,CO1
	MOVEM AC,Z
	MOVE AC,SI1
	FMPR AC,SI2
	MOVEM AC,Z+1
	MOVE AC,CO2
	MOVEM AC,Z+2
;CROSS(VT,Z,A);
	PUSH P,[VT]
	PUSH P,[Z]
	PUSH P,[AV1]
	PUSHJ P,CROSS
;CHECK FOR DEGENERATE CASE
	PUSH P,[VT]
	PUSHJ P,SECOND
	CAMG AC,[0.000001]
	JRST DEGEN		;JOINTS 4 AND 6 ARE DEGENERATE
	PUSH P,AC
	PUSHJ P,SQRT		;GET MAGNITUDE OF VT
	MOVEI I,2
FVT:	MOVE TAC,VT(I)
	FDVR TAC,AC
	MOVEM TAC,VT(I)
	SOJGE I,FVT
VTF:				;VT NOW UNIT MAGNITUDE
;NOW JOINT 4
	PUSH P,[VT]
	PUSH P,[Y]
	PUSH P,[Z]
	PUSHJ P,ANGLE
	MOVE TAC,AC
	FSBR TAC,J+3
	CAMLE TAC,[180.0]
	JRST[	FSBR AC,[360.0]
		JRST TN]
	CAMGE TAC,[-180.0]
	JRST[	FADR AC,[360.0]
		JRST TN]
TN:
	MOVE TAC,AC
	FSBR TAC,J+3
	CAMLE TAC,[90.0]
	JRST[	FSBR AC,[180.0]
		JRST RVTO]
	CAMGE TAC,[-90.0]
	JRST[	FADR AC,[180.0]
	RVTO:	MOVNS VT
		MOVNS VT+1
		MOVNS VT+2
		JRST SOK4]
SOK4:
;NOW CHECK THE STOPS
	CAMLE AC,STOP+5
	JRST[	FSBR AC,[180.0]
		JRST RVT]
	CAMGE AC,STOP+4
	JRST[	FADR AC,[180.0]
	RVT:	MOVNS VT
		MOVNS VT+1
		MOVNS VT+2
		SETOM FLIP
		JRST OK4]
OK4:	MOVEM AC,J+3		;JOINT FOUR
;NOW JOINT 5
	PUSH P,[AV1]
	PUSH P,[Z]
	PUSH P,[VT]
	PUSHJ P,ANGLE
	CAMLE AC,STOP+7
	JRST[	SETZM FLAG
		MOVE AC,STOP+7
		JRST M5]
	CAMGE AC,STOP+6
	JRST[	SETZM FLAG
		MOVE AC,STOP+6
	M5:	FADR AC,J+4
		FSC AC,-1	;HALF WAY BETWEEN STOP AND LAST JOINT ANGLE
		JRST OK5]
OK5:	MOVEM AC,J+4
;JOINT 6 IS NOW SIMPLE
	PUSH P,[OV1]
	PUSH P,[VT]
	PUSH P,[AV1]
	PUSHJ P,ANGLE
TOL:	MOVE TAC,AC
	FSBR TAC,J+5
	CAML TAC,[180.0]
	JRST[	FSBR AC,[360.0]
		JRST TOL]
TOS:	MOVE TAC,AC
	FSBR TAC,J+5
	CAMGE TAC,[-180.0]
	JRST[	FADR AC,[360.0]
		JRST TOS]
	MOVEM AC,J+5
	HRRZ AC,-1(P)
	HRRZI TAC,(AC)
	HRLI AC,J
	BLT AC,5(TAC)
	MOVE AC,FLAG
	SUB P,[3(3)]
	JRST @3(P)

DEGEN:	SETZM J+4		;JOINT 5 IS ZERO
	PUSH P,[OV1]
	PUSH P,[Y]
	PUSH P,[AV1]
	PUSHJ P,ANGLE
	FSBR AC,J+3		;LEAVE JOINT 4 AS IS
	JRST TOL		;AND PROCEED AS USUAL
FLAG:	0
FLIP:	0
PV1:	BLOCK 3
AV1:	BLOCK 3
OV1:	BLOCK 3
W:	0
SI1:	0
CO1:	0
W2:	0
SI2:	0
CO2:	0
VT:	BLOCK 3
Y:	BLOCK 3
Z:	BLOCK 3
J:	BLOCK 6
S2:	S2V
S22:	S22V
S6:	S6V
TPI:	203622077325
STOP:	-185.0
	60.0
	6.5
	27.5
	-175.0
	140.0
	-101.0
	101.0
	BEND

	BEGIN UPDATE
;UPDATE(T,J)
;GIVEN JOINT ANGLES J COMPUTES THE TRANSFORMATION T
;TIME APPROX 6 M. SEC

	A1←←2
	A2←←3
	A3←←4
	R1←←5
	R2←←6
	R3←←7
	I←←10
	J←←11
	K←←12

↑UPDATE:
	HRL AC,-1(P)		;TH
	HRRI AC,TH
	BLT AC,TH+5
	SETZM T			;SET T TO UNIT MATRIX
	MOVE AC,[XWD T,T+1]
	BLT AC,T+13
	MOVSI AC,(1.0)
	MOVEM AC,T
	MOVEM AC,T+5
	MOVEM AC,T+12
	SETZM LINK
MATMUL:				;MATMUL	T(K)←T(K-1)*A(K)
	MOVE AC,[XWD T,TN]
	BLT AC,TN+13		;MOVE T INTO TN
	MOVE K,LINK
	CAIN K,2
	JRST[	MOVE AC,SI3
		MOVEM AC,SI
		MOVE AC,CO3
		MOVEM AC,CO
		MOVE AC,TH+2
		MOVEM AC,S+2
		JRST IDSU]
	PUSH P,TH(K)
	PUSHJ P,SIND
	MOVEM AC,SI
	MOVE K,LINK
	PUSH P,TH(K)
	PUSHJ P,COSD
	MOVEM AC,CO
IDSU:	MOVE K,LINK
;FIRST ROW
	MOVE A1,CO
	MOVE A2,SI
	SETZ A3,
	MOVEI I,0
	PUSHJ P,MUL
;SECOND ROW
	MOVN A1,CA(K)
	FMPR A1,SI
	MOVE A2,CA(K)
	FMPR A2,CO
	MOVE A3,SA(K)
	MOVEI I,1
	PUSHJ P,MUL
;THIRD ROW
	MOVE A1,SA(K)
	FMPR A1,SI
	MOVN A2,SA(K)
	FMPR A2,CO
	MOVE A3,CA(K)
	MOVEI I,2
	PUSHJ P,MUL
;FOURTH ROW
	SETZ A1,
	SETZ A2,
	MOVE A3,S(K)
	MOVEI I,3
	PUSHJ P,MUL
	MOVE AC,TN+3		;OLD X
	FADRM AC,T+3		;NEW X
	MOVE AC,TN+7		;OLD Y
	FADRM AC,T+7		;NEW Y
	MOVE AC,TN+13		;OLD Z
	FADRM AC,T+13		;NEW Z
	AOS K,LINK
	CAIGE K,6
	JRST MATMUL
	HRRZ K,-2(P)
	MOVEI AC,13(K)
	HRLI K,T
	BLT K,(AC)
	HRRZ K,-2(P)
	MOVE AC,SHOLDER
	FADRM AC,3(K)		;X
	MOVE AC,SHOLDER+1
	FADRM AC,7(K)		;Y
	MOVE AC,SHOLDER+2
	FADRM AC,13(K)		;Z
	SUB P,[3(3)]
	JRST @3(P)

MUL:	MOVEI J,2
L2:	MOVE AC,PW(J)
	BLT AC,R1+2
	FMPR R1,A1
	FMPR R2,A2
	FMPR R3,A3
	FADR R1,R2
	FADR R1,R3
	MOVEM R1,T(I)
	ADDI I,4
	SOJGE J,L2
	POPJ P,
TH:	BLOCK 6
PW:	XWD TN+10,R1
	XWD TN+4,R1
	XWD TN,R1
LINK:	0
SI:	0
CO:	0
T:	BLOCK 14
TN:	BLOCK 14
SI3:	-1.0
CO3:	0.0
S:	0.0
	S2V
	0.0
	0.0
	0.0
	S6V
SA:	-1.0
	1.0
	0.0
	-1.0
	1.0
	0.0
CA:	0.0
	0.0
	1.0
	0.0
	0.0
	1.0
	BEND
	BEGIN TRANSMULT
	S←1
	M←2
	A1←3
	A2←4
	A3←5
	A4←6
	I←7
	J←10
	R←11
	T←14
	U←13
↑TIMES:HRL T,-1(P)
	HRRI T,MLT
	BLT T,MLT+13
	MOVEI T,MLT
	HRRZ U,-2(P)
	HRRZ R,-3(P)
	MOVEI I,3

L1:	MOVEI J,3

	MOVE A1,(U)
	MOVE A2,1(U)
	MOVE A3,2(U)
L2:	MOVE S,A1
	FMPR S,(T)
	MOVE M,A2
	FMPR M,4(T)
	FADR S,M
	MOVE M,A3
	FMPR M,10(T)
	FADR S,M
	MOVEM S,(R)
	AOJ R,
	AOJ T,
	SOJG J,L2

	FMPR A1,(T)
	FMPR A2,4(T)
	FADR A1,A2
	FMPR A3,10(T)
	FADR A1,A3
	FADR A1,3(U)
	MOVEM A1,(R)
	AOJ R,
	SUBI T,3
	ADDI U,4
	SOJG I,L1
	SUB P,[XWD 4,4]
	JRST @4(P)
MLT:	BLOCK 14
	BEND
	END