public static unsafe int ReadSectorF(IntPtr driverHandle, IntPtr memoryHandle, int cyl, int sector, int sizeCode, int phead, int head, int gap, int datalen)
{
uint dwRet;
tagFD_READ_WRITE_PARAMS readParams = new tagFD_READ_WRITE_PARAMS()
{
flags = FD_OPTION_MFM,
phead = (byte)phead,
cyl = (byte)cyl,
head = (byte)head,
sector = (byte)sector,
size = (byte)sizeCode,
eot = (byte)(sector + 1),
gap = (byte)gap,
datalen = (byte)datalen,
};
bool r = DeviceIoControl(driverHandle, IOCTL_FDCMD_READ_DATA, (IntPtr)(&readParams), (uint)sizeof(tagFD_READ_WRITE_PARAMS), memoryHandle, (uint)SectorInfo.GetSizeBytes(sizeCode), out dwRet, IntPtr.Zero);
int error = !r?Marshal.GetLastWin32Error() : 0;
Log.Trace?.Out($"Cyl: {cyl} | PHead: {phead} | Head: {head} | Sector: {sector} | Gap: {gap} | DataLen: {datalen} | Error: {error} | Bytes Read: {dwRet}");
return(error);
}
public static unsafe int ReadSector(IntPtr driverHandle, IntPtr memoryHandle, int track, int sector, UpperSideHead head, int sizeCode)
{
uint dwRet;
tagFD_READ_WRITE_PARAMS readParams = new tagFD_READ_WRITE_PARAMS()
{
flags = FD_OPTION_MFM,
phead = (byte)(track & 1),
cyl = (byte)(track >> 1),
head = head == UpperSideHead.Head1 ? (byte)(track & 1) : (byte)0,
sector = (byte)sector,
size = (byte)sizeCode,
eot = (byte)(sector + 1),
gap = 0x0a,
datalen = 0xff,
};
bool r = DeviceIoControl(driverHandle, IOCTL_FDCMD_READ_DATA, (IntPtr)(&readParams), (uint)sizeof(tagFD_READ_WRITE_PARAMS), memoryHandle, (uint)SectorInfo.GetSizeBytes(sizeCode), out dwRet, IntPtr.Zero);
int error = !r?Marshal.GetLastWin32Error() : 0;
Log.Trace?.Out($"Track: {track} | Sector: {sector} | Error: {error} | Bytes Read: {dwRet}");
return(error);
}