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Motorola DSP96002 User Manual

Page 623

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B-104

DSP96002 USER’S MANUAL

MOTOROLA

move y:(r1)-,d3.s ;Wn 1 1

fadd.s d3,d5 x:(r1)-,d3.s d5.s,d0.s ;Xn 1 1

fsub.s d3,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

fmpy.s d0,d3,d0 ; 1 1

fcmp d7,d0 ; 1 1

ftfr.s d0,d7 ffgt ; 1 1

rts ; 2 2

; XOld = -WOld boundary

_clip2_xon

move (r1)- ; 1 1

move y:(r1)-,d3.s ;Wn 1 1

fsub.s d3,d6 x:(r1)+n1,d3.s d6.s,d0.s ;Xn 1 1

fsub.s d3,d6 ; 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

; YOld = WOld boundary

_clip2_yop

move (r1)- ; 1 1

move y:(r1),d3.s ;Wn 1 1

fadd.s d3,d5 x:(r1)+,d3.s d5.s,d0.s ;Yn 1 1