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| author | Charles <sircharlesaze@gmail.com> | 2019-11-22 02:35:31 +0100 |
|---|---|---|
| committer | Charles <sircharlesaze@gmail.com> | 2019-11-22 02:35:31 +0100 |
| commit | b22183ba021d9ab3418d8f47545708597247e583 (patch) | |
| tree | 079af4d3d360a72908782abead1f4b272155bd18 /ft_strcpy.s | |
| parent | 0931febe3e178b4e484259c9cdc79ef452208ae7 (diff) | |
| download | libasm-b22183ba021d9ab3418d8f47545708597247e583.tar.gz libasm-b22183ba021d9ab3418d8f47545708597247e583.tar.bz2 libasm-b22183ba021d9ab3418d8f47545708597247e583.zip | |
strcpy, strcmp, write, read
Diffstat (limited to 'ft_strcpy.s')
| -rw-r--r-- | ft_strcpy.s | 20 |
1 files changed, 11 insertions, 9 deletions
diff --git a/ft_strcpy.s b/ft_strcpy.s index 2b7bbb9..228ea04 100644 --- a/ft_strcpy.s +++ b/ft_strcpy.s @@ -1,11 +1,13 @@ +.globl _ft_strcpy + _ft_strcpy: - pop ax - pop bx - mov ecx, eax ; copy -FT_STRCPY_LOOP: - mov [ecx], ebx - inc ebx - inc ecx - cmp ebx, 0 - jneq FT_STRCPY_LOOP + mov rax, rdi # dst + mov rbx, rsi # src + xor rcx, rcx + FT_STRCPY_LOOP: + mov dl, [rbx + rcx] + mov [rax + rcx], dl + inc rcx + cmp byte ptr [rbx + rcx], 0 + jne FT_STRCPY_LOOP ret |