private void DoubleDensityBuilder(FloppyDisk floppyDisk, byte[] buffer)
{
var zeroTrack = new FloppyDiskTrack
{
TrackId = 0
};
floppyDisk.Sides[0].Tracks.Add(zeroTrack);
// reading first track - first three sectors are 128 byte only regardless the density
for (var i = 0; i < 3; i++)
{
var sector = new FloppyDiskSector(128)
{
SectorId = (ushort)i
};
Buffer.BlockCopy(buffer, i * 128 + 16, sector.Data, 0, 128);
zeroTrack.Sectors.Add(sector);
}
for (var i = 3; i < 18; i++)
{
var sector = new FloppyDiskSector(128)
{
SectorId = (ushort)i
};
Buffer.BlockCopy(buffer, 3 * 128 + (i - 3) * 256 + 16, sector.Data, 0, 256);
zeroTrack.Sectors.Add(sector);
}
for (var i = 1; i < 40; i++)
{
var track = new FloppyDiskTrack
{
TrackId = (ushort)i
};
floppyDisk.Sides[0].Tracks.Add(track);
for (var j = 0; j < 18; j++)
{
var sector = new FloppyDiskSector(128);
sector.SectorId = (ushort)j;
sector.Encoding = FloppyDataEncoding.MFMEncoding;
Buffer.BlockCopy(buffer, (i * 18 + j) * 128 + 16, sector.Data, 0, 128);
track.Sectors.Add(sector);
}
}
}
private void SingleDensityBuilder(FloppyDisk floppyDisk, byte[] buffer)
{
for (var i = 0; i < 40; i++)
{
var track = new FloppyDiskTrack
{
TrackId = (ushort)i
};
floppyDisk.Sides[0].Tracks.Add(track);
for (var j = 0; j < 18; j++)
{
var sector = new FloppyDiskSector(128);
sector.Encoding = FloppyDataEncoding.FMEncoding;
Buffer.BlockCopy(buffer, (i * 18 + j) * 128 + 16, sector.Data, 0, 128);
track.Sectors.Add(sector);
}
}
}
private void EnhancedDensityBuilder(FloppyDisk floppyDisk, byte[] buffer)
{
for (var i = 0; i < 40; i++)
{
var track = new FloppyDiskTrack
{
TrackId = (ushort)i
};
floppyDisk.Sides[0].Tracks.Add(track);
for (var j = 0; j < 26; j++)
{
var sector = new FloppyDiskSector(256);
sector.Encoding = FloppyDataEncoding.MFMEncoding;
Buffer.BlockCopy(buffer, (i * 26 + j) * 256 + 16, sector.Data, 0, 256);
track.Sectors.Add(sector);
}
}
}
