PROGRAM TCL101 CALL CM1101(4,IER) !STOP IF(IER.NE.1) GO TO 1000 CALL CL1101(4,IER) !SELECT LOW TAPE IF(IER.NE.1) GO TO 1000 CALL MARK(4,1,2) !WAIT CALL WAITFR(4) CALL CL2101(4,IER) !DESELECT LOW TAPE IF(IER.NE.1) GO TO 1000 CALL MARK(4,1,2) !WAIT CALL WAITFR(4) CALL CL1101(4,IER) !SELECT LOW TAPE 1000 STOP END