kolibrios/programs/develop/libraries/kolibri-libc/source/libtcc/memcpy.asm
turbocat 1c24cac315 kolibri-libc:
[include]
 - ksys.h : fixed sruct name
 - string.h: set memcpy, memset, and memove as static for libtcc
 - stdio.h: added sscanf and ungetc
 - stdint.h: added int64 limits
[stdio]
fixed *scanf functions
added ungetc functon
[lib]
 - upated binaries
 - added libtcc.a for tcc optimization
[crt]
 - removed duplicate files
[samples]
 - added fasm libc.obj example
 - updated old examples 




git-svn-id: svn://kolibrios.org@8718 a494cfbc-eb01-0410-851d-a64ba20cac60
2021-05-09 22:12:43 +00:00

25 lines
341 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