kolibrios-fun/programs/develop/ktcc/trunk/libc.obj/source/libtcc/memcpy.asm
turbocat de30a03cac Fixed build libc.obj
git-svn-id: svn://kolibrios.org@8803 a494cfbc-eb01-0410-851d-a64ba20cac60
2021-06-10 16:02:15 +00:00

25 lines
344 B
NASM

format ELF
section '.text' executable
include '../../../../../../proc32.inc'
public memcpy
proc memcpy c, to:dword,from:dword,count:dword
push esi
push edi
mov ecx,[count]
test ecx,ecx
jz no_copy_block
mov esi,[from]
mov edi,[to]
cld
rep movsb
no_copy_block:
pop edi
pop esi
mov eax, [to]
ret
endp