internal Cartridge(byte[] contents)
{
Contents = contents;
RamBanks = new byte[RAMSize.NumberBanks() * RAMSize.BankSizeBytes()];
RamBank = 0x0;
RomBank = 0x1;
IsRamEnabled = false;
}
internal virtual void WriteRam(ushort address, byte value)
{
// Don't accept writes if RAM disabled
if (!IsRamEnabled || RAMSize == CartridgeRAMSize.None)
{
return;
}
var bankedAddress = (address - RamAddressStart + RamBank * RAMSize.BankSizeBytes()) % RamBanks.Length;
RamBanks[bankedAddress] = value;
}
internal virtual byte ReadRam(ushort address)
{
// If RAM isn't enabled or there isn't any all wires return high (i.e. 0xFF)
if (!IsRamEnabled || RAMSize == CartridgeRAMSize.None)
{
return(0xFF);
}
var bankedAddress = (address - RamAddressStart + RamBank * RAMSize.BankSizeBytes()) % RamBanks.Length;
return(RamBanks[bankedAddress]);
}