zhongd.asm

汇编语言开发的各种实用程序

                ORG   0000H
				LJMP  START
				ORG   000BH
				LJMP  INT0X
				ORG   0300H
START:          MOV   P1,#0FFH
                MOV   TMOD,#01H
				MOV   TH0,#15H
				MOV   TL0,#0A0H
				SETB  EA
				SETB  ET0
				SETB  TR0
				;LOOP:  LJMP LOOP
				LJMP  $
INT0X:          PUSH  ACC;
                PUSH  PSW;
				CPL   P1.0
				MOV   TH0,#15H
				MOV   TL0,#0A0H
				POP   PSW
				POP   ACC
				RETI
				
				END