// Try to construct a tape file from file data. Returns null if not a tape file, throws exceptions for bad tape files.
// (Note that some error conditions aren't caught right here.)
public static Tape Load(byte[] tapeFile)
{
Tape result = null;
if (Encoding.ASCII.GetString(tapeFile, 0, 12) == "C64-TAPE-RAW")
{
var version = tapeFile[12];
if (version > 1) throw new Exception("This tape has an unsupported version");
var size = BitConverter.ToUInt32(tapeFile, 16);
if (size + 20 != tapeFile.Length)
{
throw new Exception("Tape file header specifies a length that doesn't match the file size");
}
result = new Tape(version, tapeFile, 20, tapeFile.Length);
}
return result;
}
public void Insert(Tape tape)
{
_tape = tape;
}
public void RemoveMedia()
{
_tape = null;
}