strcat.s

ICCAVR中所有的库函数源码

.area text
;
; char *strcat(char *dst, char *src)
;
_strcat::
	mov	R26,R16
	mov	R27,R17
	mov	R30,R18
	mov	R31,R19
strcat1:
	ld	R18,X+
	tst	R18
	brne	strcat1
	sbiw	R26,1
strcat2:
	ld	R18,Z+
	st	X+,R18
	tst	R18
	brne	strcat2
	ret
;
;<eof; 2003-07-31 ja>