1
0
mirror of https://gitlab.os-k.eu/os-k-team/kvisc.git synced 2023-08-25 14:05:46 +02:00
kvisc/ka/crt/str/strcpy.k
julianb0 89ed8fdc0d
vm
2019-08-03 17:41:44 +02:00

59 lines
676 B
Plaintext

; The OS/K Team licenses this file to you under the MIT license.
; See the LICENSE file in the project root for more information.
;
; void strcpy(char *, const char *)
;
strcpy:
.l:
mov rcx, b[ax1]
mov b[ax0], rcx
ret.cxz
inc ax0, 1
inc ax1, 1
jmp .l
;
; void strncpy(char *, const char *, int)
;
strncpy:
mov rcx, ax2
ret.cxz
.l:
mov b[ax0], b[ax1]
inc ax0, 1
inc ax1, 1
loop .l
ret
;
; void strnzcpy(char *, const char *, int)
;
strnzcpy:
mov rcx, ax2
ret.cxz
.l:
mov rax, b[ax1]
mov b[ax0], rax
jmp.axz .r
inc ax0, 1
inc ax1, 1
loop .l
.z:
mov b[ax0], zero
.r:
ret