ORG	0
		LJMP	MAIN
		ORG	000BH			
		CPL	P1.2			
		MOV	TL0,#00		
		MOV	TH0,#0DCH
		RETI				
		ORG	30H			
MAIN:		MOV	TMOD,#00000001B	
		MOV	TL0,#00
		MOV	TH0,#0DCH
		MOV	IE,#82H		
		SETB	TR0			
HERE:		SJMP	HERE			
		END