kolibrios/programs/develop/ktcc/trunk/libc.obj/source/libtcc1/memmove.asm
turbocat 82646d764b libc.obj:
- Added inttypes header;
 - Fixed warnings in mouse api wrappers;
 - Preparation for build only via tcc+fasm.


git-svn-id: svn://kolibrios.org@9774 a494cfbc-eb01-0410-851d-a64ba20cac60
2022-04-20 19:07:54 +00:00

33 lines
585 B
NASM

format ELF
section '.text' executable
include '../../../../../../proc32.inc'
public memmove
proc memmove 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]
cmp esi, edi
je .no_copy_block
jg .copy
add esi, ecx
add edi, ecx
dec esi
dec edi
std
.copy:
rep movsb
cld
.no_copy_block:
pop edi
pop esi
mov eax,[to]
ret
endp