ACALL	 LCD_SET_UP	
		MOV 	 TMOD,#00000110B	
		MOV	 TH0,#-60		
		SETB	 P3.4			
AGAIN:	SETB	 TR0			
BACK:		MOV	 A,TL0		
		ACALL	 CONV			
		ACALL	 DISPLAY		
		JNB	 TF0,BACK		
		CLR	 TR0			
		CLR	 TF0			
  		SJMP	 AGAIN		
CONV:		MOV	B,#10			
		DIV	AB
		MOV	R2,B			
		MOV	B,#10			
		DIV	AB
		ORL	A,#30H		
		MOV	R4,A			
		MOV	A,B	
		ORL	A,#30H		
		MOV	R3,A			
		MOV	A,R2	
		ORL	A,#30H		
		MOV	R2,A			
		RET