ORG 0H MAIN: CLR P1.0 CLR P1.1 CLR P1.2 SETB P2.7 MONITOR: SETB P1.0 JNB P2.7, CLOCKWISE CLR P1.1 SETB P1.2 SJMP MONITOR CLOCKWISE: SETB P1.1 CLR P1.2 SJMP MONITOR END