SECOND 	EQU 	30H
COUNT 	EQU 	31H
		ORG 	00H
START: 	MOV 	SECOND,#00H
		MOV 	COUNT,#00H
		MOV		DPTR,#TABLE
S1:		MOV		A,SECOND
		MOV		B,#10
		DIV		AB
		MOVC	A,@A+DPTR
		MOV		P0,A
		MOV		A,B
		MOVC	A,@A+DPTR
		MOV		P2,A
		MOV 	TMOD,#01H
S2:		MOV 	TH0,#(65536-50000)/256
		MOV 	TL0,#(65536-50000) MOD 256
		SETB	TR0
		JNB		TF0,$
		CLR		TF0
		INC		COUNT
		MOV		A,COUNT
		CJNE	A,#20,S2
		MOV		COUNT,#00H	
		INC		SECOND
		MOV		A,SECOND
		CJNE	A,#60,S1
		LJMP	START				
TABLE: 	DB 		3FH,06H,5BH,4FH,66H,6DH,7DH,07H,7FH,6FH
		END