- Changed the calculation of the current sector count to read or write from both sides of a floppy in one step.  
- Set the EOT sector always to the last sector of a floppy.

Modified: trunk/reactos/drivers/storage/floppy/readwrite.c

--- trunk/reactos/drivers/storage/floppy/readwrite.c	2005-04-05 17:07:56 UTC (rev 14505)
+++ trunk/reactos/drivers/storage/floppy/readwrite.c	2005-04-05 17:12:52 UTC (rev 14506)
@@ -654,10 +654,10 @@

       KdPrint(("floppy: ReadWritePassive(): computing number of sectors to transfer (StartSector 0x%x): ", StartSector));
 
       /* 1-based sector number */

-      if( ((DriveInfo->DiskGeometry.SectorsPerTrack - StartSector) + 1) < 

+      if( (((DriveInfo->DiskGeometry.TracksPerCylinder - Head) * DriveInfo->DiskGeometry.SectorsPerTrack - StartSector) + 1 ) < 

 	  (Length - TransferByteOffset) / DriveInfo->DiskGeometry.BytesPerSector)
 	{

-	  CurrentTransferSectors = (UCHAR)(DriveInfo->DiskGeometry.SectorsPerTrack - StartSector) + 1;

+	  CurrentTransferSectors = (UCHAR)((DriveInfo->DiskGeometry.TracksPerCylinder - Head) * DriveInfo->DiskGeometry.SectorsPerTrack - StartSector) + 1;

 	}
       else
 	{
@@ -703,7 +703,7 @@

 
       /* Issue the read/write command to the controller.  Note that it expects the opposite of WriteToDevice. */ 
       if(HwReadWriteData(DriveInfo->ControllerInfo, !WriteToDevice, DriveInfo->UnitNumber, Cylinder, Head, StartSector, 

-			 DriveInfo->BytesPerSectorCode, StartSector + CurrentTransferSectors, 0, 0xff) != STATUS_SUCCESS)

+			 DriveInfo->BytesPerSectorCode, DriveInfo->DiskGeometry.SectorsPerTrack, 0, 0xff) != STATUS_SUCCESS)

 	{
 	  KdPrint(("floppy: ReadWritePassive(): HwReadWriteData returned failure; unable to read; completing with STATUS_UNSUCCESSFUL\n"));
 	  RWFreeAdapterChannel(DriveInfo->ControllerInfo->AdapterObject);