MEM 0040h:003Fh - DISKETTE - MOTOR STATUS Size: BYTE SeeAlso: MEM 0040h:003Eh,MEM 0040h:0040h Bitfields for diskette motor status: Bit(s) Description (Table M0013) 7 current operation is write or format, rather than read or verify 6 reserved (DMAsee Direct Memory Access enabled on 82077) 5-4 diskette drive number selected (0-3) 3 diskette 3 motor on (PCIBM PC,XTIBM PC XT only) 2 diskette 2 motor on (PCIBM PC,XTIBM PC XT only) 1 diskette 1 motor on 0 diskette 0 motor on