led.asm

单片机开发板源程序适合初学者 第六部分 继电器输出控制

	ORG 00H
START:	JB	P1.0,L1G
	CLR	P0.0
	SJMP	NEXT1
L1G:	SETB 	P0.0
NEXT1:	JB	P1.1,L2G
	CLR	P0.1
	SJMP	NEXT2
L2G:	SETB 	P0.1
NEXT2:	JB	P1.2,L3G
	CLR	P0.2
	SJMP 	NEXT3
L3G:	SETB 	P0.2
NEXT3:	JB 	P1.3,L4G
	CLR		P0.3
	SJMP 	START
L4G:	SETB	P0.3
	SJMP	START
	END