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The Fred Fish Collection 1.5
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ffcollection-1-5-1992-11.iso
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prog_c
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suplib.lzh
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SUPLIB
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SRC
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BCMP.ASM
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Assembly Source File
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1991-08-16
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520b
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32 lines
section CODE
; BCMP(src, dst, len)
; D0 D1 A0
; 4(sp) 8(sp) 12(sp)
; warning: return code has changed. Is now 0 on success
; and 1 on failure
xdef _BCmp
_BCmp: move.l 4(sp),A0
move.l 8(sp),A1
move.l 12(sp),D0
; BCMP(src:D0, dst:D1, len:A0)
beq .bcsucc
cmp.w D0,D0 ;force Z bit
bra .bc2
.bc1 cmpm.b (A0)+,(A1)+
.bc2 dbne D0,.bc1
bne .bcfail
sub.l #$10000,D0
bcc .bc1
.bcsucc moveq.l #0,D0 ;success!
rts
.bcfail moveq.l #1,D0 ;failure!
rts
END