receive.asm

单片机原理与应用实例教程 单片机原理与应用实例教程

		ORG		0000H
		LJMP	MAIN
		ORG		0023H
		LJMP	INT_RI

		ORG		4100H
MAIN:	MOV TMOD, #20H
		MOV TH1, #0E8H
		MOV TL1, #0E8H
		MOV PCON, #0H

		MOV SCON, #50H

		SETB TR1
		SETB ES
		SETB EA
		MOV P1, #0FFH

LOOP:	AJMP LOOP

INT_RI:	MOV P1, SBUF
		CLR RI
		RETI

		END