358 #define mGetErrorCode(IOPort)         (UCHAR)InPort((PUCHAR)&IOPort->Data+1)  argument
359 #define mSetFeaturePort(IOPort,x)     OutPort((PUCHAR)&IOPort->Data+1, x)  argument
360 #define mSetBlockCount(IOPort,x)      OutPort(&IOPort->BlockCount, x)  argument
361 #define mGetBlockCount(IOPort)	      (UCHAR)InPort(&IOPort->BlockCount)  argument
362 #define mGetInterruptReason(IOPort)   (UCHAR)InPort(&IOPort->BlockCount)  argument
363 #define mSetBlockNumber(IOPort,x)     OutPort(&IOPort->BlockNumber, x)  argument
364 #define mGetBlockNumber(IOPort)       (UCHAR)InPort((PUCHAR)&IOPort->BlockNumber)  argument
365 #define mGetByteLow(IOPort)           (UCHAR)InPort(&IOPort->CylinderLow)  argument
366 #define mSetCylinderLow(IOPort,x)         OutPort(&IOPort->CylinderLow, x)  argument
367 #define mGetByteHigh(IOPort)          (UCHAR)InPort(&IOPort->CylinderHigh)  argument
368 #define mSetCylinderHigh(IOPort,x)    OutPort(&IOPort->CylinderHigh, x)  argument
369 #define mGetBaseStatus(IOPort)        (UCHAR)InPort(&IOPort->Command)  argument
371 #define mSelectUnit(IOPort,UnitId)  do {\  argument
376 #define mSelectUnit(IOPort,UnitId)    OutPort(&IOPort->DriveSelect, (UCHAR)(UnitId))  argument
378 #define mGetUnitNumber(IOPort)        InPort(&IOPort->DriveSelect)  argument
379 #define mIssueCommand(IOPort,Cmd)     OutPort(&IOPort->Command, (UCHAR)(Cmd))  argument