public ROM(CartridgeInfo Info, byte[] data) : base(Info, data)
{
if (Info.CartridgeType.RAM)
{
RAMBanks = new byte[1][];
RAMBanks[0] = new byte[0x2000];
}
ROMBanks = new byte[2][];
ROMBanks[0] = GetRange(data, 0, 0x3fff);
ROMBanks[1] = GetRange(data, 0x4000, 0x7ffF);
}
public override void CheckWrite(int address, int value)
{
if ((address >= 0) && (address < 0x2000))
{
if (value == 0)
{
RAMOn = false;
}
else if (value == 0x0A)
{
RAMOn = true;
}
}
else if ((address >= 0x2000) && (address < 0x4000))
{
byte info = (byte)(value & 0b00011111);
if (info == 0)
{
info = 1;
}
selectedROMBank &= 0b11100000;
selectedROMBank |= info;
CopyROMS();
}
else if ((address >= 0x4000) && (address < 0x6000))
{
if (ROMMode)
{
byte info = (byte)(value & 0b00000011);
info = (byte)(info << 5);
selectedROMBank &= 0b00011111;
selectedROMBank |= info;
CopyROMS();
}
else
{
selectedRAMBank = value;
}
}
else if ((address >= 0x6000) && (address < 0x8000))
{
if (value == 0)
{
ROMMode = true;
}
else if (value == 1)
{
ROMMode = false;
}
}
}
public MBC1(CartridgeInfo Info, byte[] data) : base(Info, data)
{
this.info = Info;
if (Info.CartridgeType.RAM)
{
RAMBanks = new byte[Info.RAMBanks][];
for (int i = 0; i < Info.RAMBanks; i++)
{
RAMBanks[i] = new byte[(Info.RAMSize / Info.RAMBanks)];
}
}
ROMBanks = new byte[Info.ROMBanks][];
for (int i = 0; i < Info.ROMBanks; i++)
{
ROMBanks[i] = GetRange(data, i * Info.ROMSize / info.ROMBanks, (i + 1) * (Info.ROMSize / info.ROMBanks) - 1);
}
}
public MBC(CartridgeInfo Info, byte[] data)
{
Cartridge = Info;
}
public static MBCs.MBC Build(byte[] Cartridge)
{
string RomName = Encoding.ASCII.GetString(GetRange(Cartridge, 0x134, 0x142)).Replace("\0", "");
bool color = (Cartridge[0x0143] == 0x30);
char LicenseeHigh = (char)Cartridge[0x0144];
char LicenseeLow = (char)Cartridge[0x0145];
byte LicenseeNew = 0;
if (LicenseeHigh != '\0' && LicenseeLow != '\0')
{
LicenseeNew = (byte)((('5' - 48) << 4) + ('4' - 48));
}
bool SuperGB = (Cartridge[0x146] == 0x03);
int _CartridgeType = Cartridge[0x147];
CartridgeTypes CartridgeType = CartridgeTypes.ROM;
bool RAM = false;
bool SRAM = false;
bool BATTERY = false;
bool RUMBLE = false;
bool TIMER = false;
switch (_CartridgeType)
{
case 0x00: CartridgeType = CartridgeTypes.ROM; break;
case 0x01: CartridgeType = CartridgeTypes.MBC1; break;
case 0x02: CartridgeType = CartridgeTypes.MBC1; RAM = true; break;
case 0x03: CartridgeType = CartridgeTypes.MBC1; RAM = true; BATTERY = true; break;
case 0x05: CartridgeType = CartridgeTypes.MBC2; break;
case 0x06: CartridgeType = CartridgeTypes.MBC2; BATTERY = true; break;
case 0x08: CartridgeType = CartridgeTypes.ROM; RAM = true; break;
case 0x09: CartridgeType = CartridgeTypes.ROM; RAM = true; BATTERY = true; break;
case 0x0B: CartridgeType = CartridgeTypes.MMMD1; break;
case 0x0C: CartridgeType = CartridgeTypes.MMMD1; SRAM = true; break;
case 0x0D: CartridgeType = CartridgeTypes.MMMD1; SRAM = true; BATTERY = true; break;
case 0x0F: CartridgeType = CartridgeTypes.MBC3; BATTERY = true; TIMER = true; break;
case 0x10: CartridgeType = CartridgeTypes.MBC3; RAM = true; BATTERY = true; TIMER = true; break;
case 0x11: CartridgeType = CartridgeTypes.MBC3; break;
case 0x12: CartridgeType = CartridgeTypes.MBC3; RAM = true; break;
case 0x13: CartridgeType = CartridgeTypes.MBC5; RAM = true; BATTERY = true; break;
case 0x19: CartridgeType = CartridgeTypes.MBC3; break;
case 0x1A: CartridgeType = CartridgeTypes.MBC5; RAM = true; break;
case 0x1B: CartridgeType = CartridgeTypes.MBC5; RAM = true; BATTERY = true; break;
case 0x1C: CartridgeType = CartridgeTypes.MBC5; RUMBLE = true; break;
case 0x1D: CartridgeType = CartridgeTypes.MBC5; SRAM = true; RUMBLE = true; break;
case 0x1E: CartridgeType = CartridgeTypes.MBC5; SRAM = true; BATTERY = true; RUMBLE = true; break;
case 0x1F: CartridgeType = CartridgeTypes.PocketCamera; break;
case 0xFD: CartridgeType = CartridgeTypes.Bandai; break;
case 0xFE: CartridgeType = CartridgeTypes.Hudson; break;
case 0xFF: CartridgeType = CartridgeTypes.Hudson; SRAM = true; break;
}
MBCs.CartridgeType CartridgeInfo = new MBCs.CartridgeType()
{
CartridgeInfo = CartridgeType, RAM = RAM, BATTERY = BATTERY, RUMBLE = RUMBLE, SRAM = SRAM, TIMER = TIMER
};
int ROMSize = Cartridge[0x148];
int ROMBanks = 0;
switch (ROMSize)
{
case 0: ROMSize = 256 * 1024; ROMBanks = 1; break;
case 1: ROMSize = 512 * 1024; ROMBanks = 4; break;
case 2: ROMSize = 1 * 1024 * 1024; ROMBanks = 8; break;
case 3: ROMSize = 2 * 1024 * 1024; ROMBanks = 16; break;
case 4: ROMSize = 4 * 1024 * 1024; ROMBanks = 32; break;
case 5: ROMSize = 8 * 1024 * 1024; ROMBanks = 64; break;
case 6: ROMSize = 16 * 1024 * 1024; ROMBanks = 128; break;
case 0x52: ROMSize = 9 * 1024 * 1024; ROMBanks = 72; break;
case 0x53: ROMSize = 10 * 1024 * 1024; ROMBanks = 80; break;
case 0x54: ROMSize = 12 * 1024 * 1024; ROMBanks = 96; break;
}
ROMSize /= 8;
int RAMSize = Cartridge[0x149];
int RAMBanks = 0;
switch (RAMSize)
{
case 0: RAMSize = 0; RAMBanks = 0; break;
case 1: RAMSize = 2 * 1024; RAMBanks = 1; break;
case 2: RAMSize = 8 * 1024; RAMBanks = 1; break;
case 3: RAMSize = 32 * 1024; RAMBanks = 4; break;
case 4: RAMSize = 128 * 1024; RAMBanks = 16; break;
}
bool Japanese = (Cartridge[0x14A] == 0);
int _Licensee = Cartridge[0x14B];
LicenseeType Licensee;
switch (_Licensee)
{
case 0x33: Licensee = LicenseeType.New; break;
case 0x79: Licensee = LicenseeType.Accolade; break;
case 0xA4: Licensee = LicenseeType.Konami; break;
default: Licensee = LicenseeType.Unknown; break;
}
int MaskROMversion = Cartridge[0x14C];
int Complement = Cartridge[0x14D];
int CheckSum = (Cartridge[0x14E] << 8) + Cartridge[0x14F];
MBCs.CartridgeInfo info = new MBCs.CartridgeInfo(RomName, Licensee, LicenseeNew, Japanese, MaskROMversion, color, SuperGB, CartridgeInfo, RAMSize, RAMBanks, ROMSize, ROMBanks, Complement, CheckSum);
switch (info.CartridgeType.CartridgeInfo)
{
case CartridgeTypes.ROM: return(new MBCs.ROM(info, Cartridge));
case CartridgeTypes.MBC1: return(new MBCs.MBC1(info, Cartridge));
default: return(null);
}
}
