internal byte[] GamecardInfo; // [x] Gamecard info
public override string ToString()
{
StringBuilder sb = new StringBuilder();
sb.AppendFormat("Signature: {0}\n", BitConverter.ToString(Signature));
sb.AppendFormat("Magic: {0}\n", Encoding.ASCII.GetString(BitConverter.GetBytes(Magic)));
sb.AppendFormat("SecureOffset: 0x{0:X} * 0x200\n", SecureOffset);
sb.AppendFormat("BackupOffset: 0x{0:X} * 0x200\n", BackupAreaAddress);
sb.AppendFormat("KEK Index: 0x{0:X}\n", KEK);
sb.AppendFormat("CartType: {0}\n", CartType.ToString());
sb.AppendFormat("HeaderVersion: 0x{0:X}\n", HeaderVersion);
sb.AppendFormat("Flag: 0x{0:X}\n", Flag);
sb.AppendFormat("PackageID: {0}\n", BitConverter.ToString(BitConverter.GetBytes(PackageID)));
sb.AppendFormat("CardSize: 0x{0} * 0x200\n", CardSize);
sb.AppendFormat("IV (raw-data): {0}\n", BitConverter.ToString(GamecardIV));
sb.AppendFormat("HFS0Offset: 0x{0:X}\n", HFS0HeaderSize);
sb.AppendFormat("HFS0HeaderSize: 0x{0:X}\n", HFS0HeaderSize);
sb.AppendFormat("HFS0HeaderHash: {0}\n", BitConverter.ToString(HFS0HeaderHash));
sb.AppendFormat("InitialDataHash: {0}\n", BitConverter.ToString(InitialDataHash));
sb.AppendFormat("SecureModeFlag: 0x{0:X}\n", SecureModeFlag);
sb.AppendFormat("TitleKeyFlag: 0x{0:X}\n", TitleKeyFlag);
sb.AppendFormat("KeyFlag: 0x{0:X}\n", KeyFlag);
sb.AppendFormat("NormalAreaEndAddress: 0x{0:X}\n", NormalAreaEndAddress);
sb.AppendFormat("GamecardInfo [Encrypted]: {0}\n", BitConverter.ToString(GamecardInfo));
return(sb.ToString());
}
private static bool NameContainsSegment(this CartridgeType src, string segment)
{
return(new Regex("(^|_)" + Regex.Escape(segment) + "($|_)").IsMatch(src.ToString()));
}
public void setByte(ushort address, Byte Value)
{
CartridgeType type = (CartridgeType)this.headerInfoDict.Where(fi => fi.description == "Cartridge Type").First().value;
switch (type)
{
case CartridgeType.ROM_ONLY:
break;
case CartridgeType.ROM_MBC1:
case CartridgeType.ROM_MBC1_RAM:
case CartridgeType.ROM_MBC1_RAM_BATT:
if (address >= 0x0000 && address <= 0x1FFF)
{
// RAM Enable
}
else if (address >= 0x2000 && address <= 0x3FFF)
{
// ROM Select
Byte romBankNum = Value;
// ROM Address MBC1 Bug
if ((romBankNum & 0x1F) == 0)
{
romBankNum += 1;
}
romBankNum = (Byte)(romBankNum & 0x1F);
// Set ROM Bank Num
if (memContMode == MBC1_Mode.ROM_MODE)
{
// Set only 5 lsb bits
selectedRomBank = (ushort)((selectedRomBank & 0xC0) | (romBankNum & 0x1F));
}
}
else if (address >= 0x4000 && address <= 0x5FFF)
{
Byte tmp = (Byte)(Value & 0x03);
if (memContMode == MBC1_Mode.ROM_MODE)
{
// Upper ROM Select (Set upper 2 bits 5-6)
selectedRomBank = (ushort)((selectedRomBank & 0x1F) | (tmp << 5));
}
else
{
// RAM Mode
selectedRamBank = tmp;
}
}
else if (address >= 0x6000 && address <= 0x7FFF)
{
// ROM/RAM mode select
if (Value == 0)
{
memContMode = MBC1_Mode.ROM_MODE;
}
else if (Value == 1)
{
memContMode = MBC1_Mode.RAM_MODE;
}
else
{
throw new ArgumentException($"Invalid Write to ROM Address 0x{address.ToString("X4")} value 0x{Value.ToString("X2")}");
}
}
else
{
throw new ArgumentException($"Attempted Write to Address Which is in ROM Space");
}
break;
default:
throw new NotImplementedException($"Cartridge Type {type.ToString()} MMC Operation write at {address.ToString("X4")} not Implemented");
}
}