kvisc/ka/crt/mem.k

; 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 memcpy(void *, const void *, int)
;
memcpy:
    mov rcx, ax2
    jrcxz .r

.l:
    sub rdx, ax2, rcx
    mov b[ax0+rdx], b[ax1+rdx]
    loop .l

.r:
    ret

;
; void memzero(void *, int)
;
memzero:
    mov rcx, ax1
    jrcxz .r

.l:
    nul b[ax0]
    inc ax0, 1
    loop .l

.r:
    ret