strcpy.s

ICCAVR中所有的库函数源码

;
; char *strcpy(char *dst, char *src)

	.text
_strcpy::
	mov R26,R16
	mov R27,R17
	mov R30,R18
	mov R31,R19

loop:
	ld R0,Z+
	st X+,R0
	tst R0
	brne loop

done:
	ret