ps2s.asm

来自「web51的开发库」· 汇编 代码 · 共 28 行

	.global	ps2s

	.text
;
; *** PS2S *** copy STRING to STRING (cpu IDATA mem) ***
; ps2s	buffer_addr_TO, buffer_addr_FROM, length
;	R7,	R5,	R3

ps2s:	mov	a,R5	;source pointer
	mov	R0,a
	MOV	a,R7	;destination pointer
	mov	R1,a
copyloop:
	mov	a,@r0
	mov	@r1,a
	inc	r0
	inc	r1
	djnz	r3,copyloop
	ret

	;; END