Motorola DSP96002 User Manual page 615

; Multiply coordinates by 1/W, scale and add offset (old point)
fmpy.s d0,d4,d2
fmpy.s d2,d1,d2
fmpy
fmpy.s d3,d1,d3
move
; Calculate reciprocal 1/W (new point)
fseedd d2,d6
fmpy.s d2,d6,d1
fmpy.s d1,d4,d1
fmpy
fmpy.s d1,d3,d1
; Multiply coordinates by 1/W, scale and add offset (new point)
fmpy.s d0,d4,d2
fmpy.s d2,d1,d2
fmpy
fmpy.s d0,d1,d5
dec
jne
jmp
B-96
d5,d4,d3 fadd.s d3,d2
fadd.s d6,d3
fsub.s d1,d4 d4.s,d3.s
d6,d4,d1 fsub.s d1,d3 d0.s,x:(r1)-
d5,d4,d0 fadd.s d3,d2 d5.s,x:(r1)+
fadd.s d5,d3 x:(r6),d7.l
d7
_accept_loop
_end
DSP96002 USER'S MANUAL
x:(r4)-,d4.s y:,d6.s
d2.s,y:(r5)+
y:(r1)+n1,d2.s ;
d3.s,y:(r5)+
d9.s,d4.s
d2.s,y:(r1)+ ;
x:(r1)+n1,d0.s y:,d2.s
d2.s,y:
x:(r4)+,d4.s y:,d3.s
x:(r1)+n1,d5.s
x:(r4)+,d4.s y:,d6.s
x:(r0)+,d0.s d2.s,y:(r5)+ ;X
d3.s,y:(r5)+ ;
; 1 1
;Ys Yf 1 1
; 1 1
; X1 1 1
Wn 1 1
; Y1 1 1
; 1 1
; 1 1
Wo 1 1
;Xn Zn 1 1
;Xo Zo 1 1
;Xs Xf 1 1
;Yn 1 1
;Ys Yf 1 1
;Yo 1 1
X1 1 1
;Cnt 1 1
Y1 1 1
; 2 2
; 2 2
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