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appb
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b133c.asm
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Assembly Source File
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1992-04-28
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2KB
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28 lines
; This program was originally published in the Motorola DSP96002 Users Manual
; and is provided under a DISCLAIMER OF WARRANTY available from Motorola DSP
; Operation, 6501 William Cannon Drive West, Austin, Texas 78735-8598. For
; more information, refer to the DSP96002 Users Manual, Appendix B, DSP
; Benchmarks.
;
;B.1.33.3 Line Accept/Reject, Fixed Point Version
; Program ICycles
; Words
ori #e0,ccr ;set accept/reject/infinity bits 1 1
move x:(r0)+n0,d0.l y:(r4)+,d1.l ;get x0,Xmin 1 1
cmp d1,d0 x:(r0)-n0,d0.l ;x0-Xmin, get x1 1 1
cmpg d1,d0 y:(r4)+,d1.l ;x1-Xmin, Xmax 1 1
cmp d0,d1 x:(r0)+,d0.l ;Xmax-x1, get x0 1 1
cmpg d0,d1 x:(r0)+n0,d0.l y:(r4)+,d1.l ;Xmax-x0, y0,Ymin 1 1
cmp d1,d0 x:(r0)-n0,d0.l ;y0-Ymin, get y1 1 1
cmpg d1,d0 y:(r4)+,d1.l ;y1-Ymin, Ymax 1 1
cmp d0,d1 x:(r0)+,d0.l ;Ymax-y1, get y0 1 1
cmpg d0,d1 x:(r0)+n0,d0.l y:(r4)+,d1.l ;Ymax-y0, z0,Zmin 1 1
cmp d1,d0 x:(r0)-n0,d0.l ;z0-Zmin, get z1 1 1
cmpg d1,d0 y:(r4)+,d1.l ;z1-Zmin, Zmax 1 1
cmp d0,d1 x:(r0),d0.l ;Zmax-z1, get z0 1 1
cmpg d0,d1 ;Zmax-z0 1 1
; --- ---
; Totals: 14 14
;If the A bit is set, the line can be accepted. If the R bit is cleared, the line can be rejected.