Motorola DSP96002 - Manual (Page 625)

B-106 DSP96002 USER’S MANUAL MOTOROLA
fmpy.s d5,d4,d5 d9.s,d2.s ; 1 1
fmpy d0,d4,d0 fsub.s d5,d2 d2.s,d3.s ; 1 1
fmpy.s d5,d2,d5 d2.s,d4.s ; 1 1
fmpy d0,d4,d0 fsub.s d5,d3 ; 1 1
fmpy.s d0,d3,d0 ; 1 1
fcmp d7,d0 ; 1 1
ftfr.s d0,d7 ffgt ; 1 1
rts ; 2 2
; ZOld = 0 boundary
_clip2_zon
move (r1)- ; 1 1
move y:(r1)+,d3.s ;Zn 1 1
fsub.s d3,d6 d6.s,d0.s ; 1 1
fseedd d6,d4 ; 1 1
fmpy.s d6,d4,d6 d9.s,d2.s ; 1 1
fmpy d0,d4,d0 fsub.s d6,d2 d2.s,d3.s ; 1 1
fmpy.s d6,d2,d6 d2.s,d4.s ; 1 1
fmpy d0,d4,d0 fsub.s d6,d3 ; 1 1
fmpy.s d0,d3,d0 ; 1 1
fcmp d7,d0 ; 1 1
ftfr.s d0,d7 ffgt ; 1 1
rts ; 2 2
; XNew = WNew boundary
_clip2_xnp
move (r1)+n1 ; 1 1
move y:(r1)-,d0.s ;Wo 1 1
move x:(r1)-,d2.s ;Xo 1 1
fsub.s d2,d0 ; 1 1
fadd.s d0,d5 ; 1 1
fseedd d5,d4 ; 1 1
fmpy.s d5,d4,d5 d9.s,d2.s ; 1 1
fmpy d0,d4,d0 fsub.s d5,d2 d2.s,d3.s ; 1 1
fmpy.s d5,d2,d5 d2.s,d4.s ; 1 1
fmpy d0,d4,d0 fsub.s d5,d3 ; 1 1