public A78FileFormat Read()
{
var buffer = new byte[128];
_ = _reader.Read(buffer, 0, 128);
var a78file = new A78FileFormat();
ParseHeader(buffer, a78file);
_ = _reader.Read(a78file.Data, 0, a78file.DataSize);
return(a78file);
}
private void ParseHeader(byte[] buffer, A78FileFormat a78file)
{
a78file.Version = buffer[0];
a78file.MagicText = string.Concat(ASCIIEncoding.ASCII.GetChars(new Span <byte>(buffer, 1, 16).ToArray()));
a78file.Title = string.Concat(ASCIIEncoding.ASCII.GetChars(new Span <byte>(buffer, 17, 32).ToArray()));
a78file.DataSize = (int)buffer[49] + (256 * (int)buffer[50]) + (65536 * (int)buffer[51]) + (65536 * 256 * (int)buffer[52]);
a78file.CartType = (short)(buffer[53] + (256 * buffer[54]));
a78file.Controller1Type = buffer[55];
a78file.Controller2Type = buffer[56];
a78file.TVType = buffer[57];
a78file.SaveDevice = buffer[58];
a78file.ExpansionModule = buffer[63];
a78file.ClosingText = string.Concat(ASCIIEncoding.ASCII.GetChars(new Span <byte>(buffer, 100, 28).ToArray()));
}