$20/32: Drive 0 status (disk and step motor) +-------+------------------------------------------------------+ | Bit 7 | Disk drive ready: 1 = No, 0 = Yes | | Bit 6 | ReaD/Write head moving: 1 = Yes, 0= No | | Bit 5 | Motor on: 1 = Yes, 0 = No | | Bit 4 | Switch off motor: 1 = Yes, 0 = No | +-------+------------------------------------------------------+