74ls245.asm

Proteus在MCS-51％26ARM7系统中的应用百例 Proteus在MCS-51％26ARM7系统中的应用百例

VAL		EQU		30H
		ORG		00H
START:	MOV		A,P0	;读P0口数据
		MOV		VAL,A	;P0口数据送30H
		SJMP	START
		END