BizHawk/ExternalCoreProjects/Virtu/Disk525.cs

56 lines
1.4 KiB
C#

using System;
namespace Jellyfish.Virtu
{
internal abstract class Disk525
{
protected byte[] Data;
public bool IsWriteProtected;
protected Disk525(byte[] data, bool isWriteProtected)
{
Data = data;
IsWriteProtected = isWriteProtected;
}
public virtual void Sync(IComponentSerializer ser)
{
ser.Sync(nameof(Data), ref Data, false);
ser.Sync(nameof(IsWriteProtected), ref IsWriteProtected);
}
public static Disk525 CreateDisk(string name, byte[] data, bool isWriteProtected)
{
if (name == null)
{
throw new ArgumentNullException(nameof(name));
}
if (name.EndsWith(".do", StringComparison.OrdinalIgnoreCase) ||
name.EndsWith(".dsk", StringComparison.OrdinalIgnoreCase)) // assumes dos sector skew
{
return new DiskDsk(data, isWriteProtected, SectorSkew.Dos);
}
if (name.EndsWith(".nib", StringComparison.OrdinalIgnoreCase))
{
return new DiskNib(data, isWriteProtected);
}
if (name.EndsWith(".po", StringComparison.OrdinalIgnoreCase))
{
return new DiskDsk(data, isWriteProtected, SectorSkew.ProDos);
}
return null;
}
public abstract void ReadTrack(int number, int fraction, byte[] buffer);
public abstract void WriteTrack(int number, int fraction, byte[] buffer);
public const int SectorCount = 16;
public const int SectorSize = 0x100;
public const int TrackSize = 0x1A00;
}
}