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386
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MEMMOVE.ASM
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Assembly Source File
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1996-06-29
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368 b
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31 lines
.386
.model small
public _memmove
.code
_memmove:
push ebp
mov ebp,esp
push esi
push edi
mov ecx,[ebp+16]
mov esi,[ebp+12]
mov edi,[ebp+8]
mov eax,edi
cmp edi,esi
ja short negmove
cld
rep movsb
exit:
pop edi
pop esi
pop ebp
ret
negmove:
add esi,ecx
add edi,ecx
dec esi
dec edi
std
rep movsb
jmp short exit
end