lsd.asm

调用库文件设计的流水灯

	ORG	0000H
MAIN:
	MOV	A,#11111110B
	MOV	R2,#8
W:	MOV	P1,A
	RL		A
	ACALL	DLY
	DJNZ	R2,W	
	AJMP	MAIN
		
;--------------------------------	
DLY:
MOV	R3,#10
L2:
	MOV	R0,#100
L1:
	MOV	R1,#100
	DJNZ	R1,$
	DJNZ	R0,L1
	DJNZ	R3,L2

	RET

	END