public static bool Exists(Rom rom, string path)
{
throw new NotImplementedException( );
}
public static FileStream Open(Rom rom, string path)
{
throw new NotImplementedException( );
}
private static void _LoadHeaderData(Rom rom, Stream stream)
{
var reader = new BinaryReader(stream);
reader.BaseStream.Seek(0L, SeekOrigin.Begin);
rom.ShortTitle = Encoding.ASCII.GetString(reader.ReadBytes(12));
rom.GameCode = Encoding.ASCII.GetString(reader.ReadBytes(4));
rom.MakerCode = MakerCodes.FromBytes(reader.ReadBytes(2));
rom.SupportedDevices = _GetSupportedDevices(reader.ReadByte( ));
rom.EncryptionSeed = reader.ReadByte( );
rom.DeviceCapacity = reader.ReadByte( );
reader.ReadBytes(9); // 9 bytes reserved at 015h
rom.Version = reader.ReadByte( );
rom.AutoStart = reader.ReadBoolean( );
/// Read the basic info of the Arm9 Chip.
rom._arm9 = new RomChipInfo
{
RomOffset = reader.ReadUInt32( ),
EntryAddress = reader.ReadUInt32( ),
RamAddress = reader.ReadUInt32( ),
Size = reader.ReadUInt32( ),
};
/// Read the basic info of the Arm7 Chip.
rom._arm7 = new RomChipInfo
{
RomOffset = reader.ReadUInt32( ),
EntryAddress = reader.ReadUInt32( ),
RamAddress = reader.ReadUInt32( ),
Size = reader.ReadUInt32( ),
};
/// TODO: File Name/Allocation Table Reads...
reader.ReadUInt32( );
reader.ReadUInt32( );
reader.ReadUInt32( );
reader.ReadUInt32( );
reader.ReadUInt32( ); // Port 40001A4h setting for normal commands (usually 00586000h)
reader.ReadUInt32( ); // Port 40001A4h setting for KEY1 commands (usually 001808F8h)
rom._iconTitleOffset = reader.ReadUInt32( );
rom.SecureAreaChecksum = reader.ReadUInt16( );
rom.SecureAreaDelay = reader.ReadUInt16( );
rom._arm9.AutoLoadListRamAddress = reader.ReadUInt32( );
rom._arm7.AutoLoadListRamAddress = reader.ReadUInt32( );
// 8 Secure Area Disable (by encrypted "NmMdOnly") (usually zero)
// 4 Total Used ROM size (remaining/unused bytes usually FFh-padded)
// 4 ROM Header Size (4000h)
// 38h Reserved (zero filled)
// 9Ch Nintendo Logo (compressed bitmap, same as in GBA Headers)
// 2 Nintendo Logo Checksum, CRC-16 of [0C0h-15Bh], fixed CF56h
// 2 Header Checksum, CRC-16 of [000h-15Dh]
// 4 Debug rom_offset (0=none) (8000h and up) ;only if debug
// 4 Debug size (0=none) (max 3BFE00h) ;version with
// 4 Debug ram_address (0=none) (2400000h..27BFE00h) ;SIO and 8MB
// 4 Reserved (zero filled) (transferred, and stored, but not used)
// 90h Reserved (zero filled) (transferred, but not stored in RAM)
}