public static GameMedia LoadFromFile(string filename, GameMediaType mediaType)
{
byte[] fileData;
using (FileStream file = File.Open(filename, FileMode.Open, FileAccess.Read, FileShare.Read))
{
// some roms have a 512 (0x200) byte header left by the dumper/copier. A normal ROM
// will have a length a multiple of 0x4000. If we mod with 0x4000 and have a 512 byte
// remainder then skip the first 512 bytes of the rom.
if ((file.Length % 0x4000) == 0x200)
{
fileData = new byte[file.Length - 0x200];
file.Seek(0x200, SeekOrigin.Begin);
}
else
{
/* Normal ROM */
fileData = new byte[file.Length];
}
file.Read(fileData, 0, fileData.Length);
}
return(new GameMedia(fileData, mediaType));
}
private GameMedia(byte[] romData, GameMediaType mediaType)
{
_romData = romData;
MediaType = mediaType;
Header = new GameMediaHeader(romData);
}
