SERIAL:		JNB RB8,GET_DATA	;JUMP IF RB8=0 MEANS DATA
		MOV B,SBUF		;MOV THE COPY TO ACCUMULATOR
		CJNE B,#001H,GO_ON	;COMPARE THE ADDRESS IF ITS EQUAL TO 001H THEN
		CLR SM2			;CLEAR THE SM2 TO GET THE DATA
GO_ON:		RETI			;RETURN BACK FROM ISR
GET_DATA:	MOV A,SBUF		;GET THE COPY TO ACCUMULATOR
		SETB SM2		;CLEAR THE SM2 FOR AGAIN FOR ADDRESS
		RETI			;RETURN TO ISR