daima35.asm

[第4章 单片机功能应用]

	TEMP	EQU		20H
	DATA	EQU		22H
	ORG	0000H
	LJMP	START
	ORG	0100H
START:	MOV	SP,#0060H
	MOV	SCON,#00H   ；设置串行口方式
	CLR	TI
LOOP:	LCALL	OUTPORT
	SJMP	LOOP
OUTPORT:PUSHF
	CLR	A
	MOV	DPTR,#0000H  
	MOV	@DPTR,A    ；P2.5=0
	MOV	SBUF,DATA
LOOP1:	JNB	TI,LOOP1
	CLR	TI
	CLR	A
	MOV	DPTR,#200H  ；启动移位寄存器
	POPF
	RET
	END