Motorola DSP96002 User Manual page 620

;---------------------------------------------------------
;
;
;
;---------------------------------------------------------
; x = w boundary
_clip1_xp
move
fmpy.s d2,d4,d3
fmpy.s d1,d4,d1
fmpy
fmpy.s d5,d7,d3
fmpy
fmpy.s d4,d7,d2
move
rts
; x = -w boundary
_clip1_xn
move
fmpy.s d1,d4,d3
fmpy.s d2,d4,d2
fmpy
fmpy.s d5,d7,d3
fmpy
fmpy.s d4,d7,d1
fneg.s d0
rts
MOTOROLA
Single point clipping routines
fsub.s d0,d4 x:(r1)-,d0.s
d4,d5,d2 fsub.s d3,d1 d0.s,d5.s
d4,d6,d3 fsub.s d3,d2
fsub.s d2,d3 d1.s,d0.s
fadd.s d0,d4 x:(r1)-,d0.s
d4,d5,d1 fsub.s d3,d2 d0.s,d5.s
d4,d6,d3 fsub.s d3,d1
fsub.s d1,d3 d2.s,d0.s
DSP96002 USER'S MANUAL
y:(r1)-,d4.s ;W1
x:(r1)+,d0.s d2.s,d7.s
y:(r1)+,d4.s ;Z1
d2.s,d5.s
d3.s,d6.s
y:(r1)-,d4.s ;W1
x:(r1)+,d0.s d1.s,d7.s
y:(r1)+,d4.s ;Z1
d1.s,d5.s
d3.s,d6.s
1 1
;X1 1 1
;Y1 1 1
; 1 1
; 1 1
; 1 1
1 1
; 1 1
; 1 1
; 1 1
; 2 2
1 1
;X1 1 1
;Y1 1 1
; 1 1
; 1 1
; 1 1
1 1
; 1 1
; 1 1
; 1 1
; 2 2
B-101