MEM 0040h:0043h - DISK CONTROLLER STATUS REGISTER 1 Size: BYTE SeeAlso: MEM 0040h:0042h,MEM 0040h:0044h Bitfields for diskette controller status register 0: Bit(s) Description (Table M0016) 7 attempted access beyon last cylinder 6 unused 5 CRC error on read 4 DMAsee Direct Memory Access overrun 3 unused 2 data error 1 disk write protected 0 missing address mark SeeAlso: #M0015,#M0017