/// <summary>
/// High level format a disk
/// </summary>
public void FormatDisk()
{
byte fillByte = 0xff;
if (!(this.DiskImage is PhysicalDisk))
{
byte[] buffer = new byte[this.LogicalTracks * this.LogicalHeads * this.LogicalSectors * this.LogicalSectorSize].Initialize(fillByte);
this.WriteSectors(0, 0, 1, buffer);
}
else
{
byte[] trackBuffer = new byte[this.LogicalSectors * this.LogicalSectorSize].Initialize(fillByte);
FormatDiskForm fdf = new FormatDiskForm();
((PhysicalDisk)DiskImage).FormatChanged += new FormatChangedEventHandler(fdf.Update);
for (int track = 0; track < this.LogicalTracks; track++)
{
for (int head = 0; head < this.LogicalHeads; head++)
{
((PhysicalDisk)DiskImage).WriteTrack(track, head, trackBuffer);
}
}
fdf.Close();
}
this.DiskLabel = string.Empty;
}
/// <summary>
/// High level format a disk
/// </summary>
public void FormatDisk()
{
// Create Empty Disk
byte fillByte = 0xe5;
byte[] buffer;
if (!(DiskImage is PhysicalDisk))
{
buffer = new byte[this.LogicalTracks * this.LogicalHeads * this.LogicalSectors * this.LogicalSectorSize].Initialize(fillByte);
this.WriteLSNs(0, buffer);
}
else
{
buffer = new byte[this.LogicalSectors * this.LogicalSectorSize].Initialize(fillByte);
FormatDiskForm fdf = new FormatDiskForm();
((PhysicalDisk)DiskImage).FormatChanged += new FormatChangedEventHandler(fdf.Update);
for (int track = 0; track < this.LogicalTracks; track++)
{
for (int head = 0; head < this.LogicalHeads; head++)
{
((PhysicalDisk)DiskImage).WriteTrack(track, head, buffer);
}
}
fdf.Close();
}
// Create LSN0
this.lsn0 = new LSN0();
this.lsn0.TotalSectors = this.LogicalTracks * this.LogicalHeads * this.LogicalSectors;
this.lsn0.TrackSize = (byte)this.LogicalSectors;
this.lsn0.MapBytes = (ushort)((this.lsn0.TotalSectors + 7) / 8);
this.lsn0.ClusterSize = 1;
this.lsn0.Owner = 0;
this.lsn0.Attributes = 0xff;
Random rnd = new Random(DateTime.Now.Second);
this.lsn0.DiskID = (ushort)rnd.Next(0xffff);
if (this.DiskImage is PartitionedVHDImage || this.DiskImage is VHDImage)
{
this.lsn0.DiskFormat = 0x82;
}
else
{
this.lsn0.DiskFormat = (byte)(0x02 + (this.LogicalHeads - 1));
}
this.lsn0.BootStrap = 0;
this.lsn0.BootStrapSize = 0;
this.lsn0.CreatedDate = DateTime.Now;
this.lsn0.VolumeName = string.Empty;
this.lsn0.SectorSize = (ushort)this.LogicalSectorSize;
this.lsn0.RootDirectory = 1 + ((this.lsn0.MapBytes + (this.LogicalSectorSize - 1)) / this.LogicalSectorSize);
this.lsn0.PathDescriptor.DeviceType = 0x01;
this.lsn0.PathDescriptor.DriveNumber = 0x00;
this.lsn0.PathDescriptor.DeviceType = 0x20;
this.lsn0.PathDescriptor.Density = 0x01;
this.lsn0.PathDescriptor.Cylinders = (ushort)this.DiskImage.PhysicalTracks;
this.lsn0.PathDescriptor.Sides = (byte)this.DiskImage.PhysicalHeads;
this.lsn0.PathDescriptor.SectorsPerTrack = (ushort)this.DiskImage.PhysicalSectors;
this.lsn0.PathDescriptor.SectorsPerTrack0 = this.lsn0.PathDescriptor.SectorsPerTrack;
this.lsn0.PathDescriptor.Interleave = (byte)this.DiskImage.Interleave;
if (this.DiskImage is PartitionedVHDImage || this.DiskImage is VHDImage)
{
this.lsn0.PathDescriptor.SegmentAllocationSize = 0x20;
}
else
{
this.lsn0.PathDescriptor.SegmentAllocationSize = 8;
}
this.WriteLSN(0, (byte[])this.lsn0);
// Create Allocation Bitmap
int bitmapBits = this.LogicalTracks * this.LogicalHeads * this.LogicalSectors;
int bitmapLSNs = ((bitmapBits / 8) + this.LogicalSectorSize - 1) / this.LogicalSectorSize;
int allocatedSectors = 1 + bitmapLSNs + 8;
byte[] bitmap = new byte[bitmapLSNs * this.LogicalSectorSize].Initialize(0xff);
for (int i = 0; i < this.lsn0.TotalSectors; i++)
{
this.DeallocateLSN(i, bitmap);
}
for (int i = 0; i < allocatedSectors; i++)
{
this.AllocateLSN(i, bitmap);
}
this.WriteLSNs(0, bitmap);
// Create root directory file descriptor
FileDescriptor rootDescriptor = new FileDescriptor(0xbf, 0, this.lsn0.PackedCreationDate, 2, 0x40, Util.CreatedDateBytes(this.lsn0.CreatedDate));
rootDescriptor.SegmentList = new FileSegment[48];
rootDescriptor.SegmentList[0] = new FileSegment(this.lsn0.RootDirectory + 1, 7);
this.WriteLSN(this.lsn0.RootDirectory, (byte[])rootDescriptor);
// Create root directory
buffer = new byte[7 * this.LogicalSectorSize];
Directory rootDirectory = new Directory();
rootDirectory.FormatType = DiskFormatType.OS9Format;
rootDirectory.Add(new DirectoryEntry("..", this.lsn0.RootDirectory));
rootDirectory.Add(new DirectoryEntry(".", this.lsn0.RootDirectory));
Array.Copy((byte[])rootDirectory, 0, buffer, 0, 0x40);
this.WriteLSNs(this.lsn0.RootDirectory + 1, buffer);
}
/// <summary>
/// High level format a disk
/// </summary>
public void FormatDisk()
{
byte fillByte = 0xff;
if (!(this.DiskImage is PhysicalDisk))
{
byte[] buffer = new byte[this.LogicalTracks * this.LogicalHeads * this.LogicalSectors * this.LogicalSectorSize].Initialize(fillByte);
this.WriteSectors(0, 0, 1, buffer);
}
else
{
byte[] trackBuffer = new byte[LogicalSectors * LogicalSectorSize].Initialize(fillByte);
FormatDiskForm fdf = new FormatDiskForm();
((PhysicalDisk)DiskImage).FormatChanged += new FormatChangedEventHandler(fdf.Update);
for (int track = 0; track < this.LogicalTracks; track++)
{
for (int head = 0; head < this.LogicalHeads; head++)
{
((PhysicalDisk)DiskImage).WriteTrack(track, head, trackBuffer);
}
}
fdf.Close();
}
Directory directory = new Directory();
this.WriteSectors(20, 0, 3, directory);
this.WriteSectors(16, 0, 3, directory);
byte[] bitmap0 = new byte[256];
for (int i = 0; i < (40 * this.LogicalHeads * this.LogicalSectors); i++)
{
this.DeallocateSector(i, bitmap0);
}
for (int i = 1; i < 18; i++)
{
this.AllocateSector(16, 0, i, bitmap0);
this.AllocateSector(20, 0, i, bitmap0);
}
bitmap0[0xfc] = (byte)this.LogicalTracks;
bitmap0[0xfd] = (byte)(this.LogicalSectors * this.LogicalHeads);
bitmap0[0xfe] = (byte)~bitmap0[0xfc];
bitmap0[0xff] = (byte)~bitmap0[0xfd];
this.DiskImage.WriteSector(20, 0, 1, bitmap0);
this.DiskImage.WriteSector(16, 0, 1, bitmap0);
if (this.LogicalTracks > 40)
{
byte[] bitmap1 = new byte[256];
Array.Copy(new byte[0xb4].Initialize(0xff), 0, bitmap1, 0, 0xb4);
this.DiskImage.WriteSector(20, 0, 2, bitmap1);
this.DiskImage.WriteSector(16, 0, 2, bitmap1);
}
this.DiskLabel = string.Empty;
}
