public byte WriteMemory8(ushort address, byte data)
{
if (address < 0x800)
{
scratchRam[0][address] = data;
}
else if (address < 0x1000)
{
scratchRam[1][address - 0x800] = data;
}
else if (address < 0x1800)
{
scratchRam[2][address - 0x1000] = data;
}
else if (address < 0x2000)
{
scratchRam[3][address - 0x1800] = data;
}
else if (address < 0x4000)
{
//address = (ushort)((address - 0x2000) % 8);
switch (address)
{
case (0x2000): myPpu.ControlRegister1Write(data); break;
case (0x2001): myPpu.ControlRegister2Write(data); break;
case (0x2003): myPpu.SpriteRamAddressRegisterWrite(data); break;
case (0x2004): myPpu.SpriteRamIORegisterWrite(data); break;
case (0x2005): myPpu.VramAddressRegister1Write(data); break;
case (0x2006): myPpu.VramAddressRegister2Write(data); break;
case (0x2007): myPpu.VramIORegisterWrite(data); break;
//default: Console.WriteLine("UNKOWN CONTROL WRITE: {0}", address); break;
}
}
else if (address < 0x6000)
{
switch (address)
{
case (0x4014): myPpu.SpriteRamDmaBegin(data); break;
case (0x4016): myJoypad.Joypad1Write(data); break;
case (0x4017): Joypad.Joypad2Write(/*data)*/); break;
//default: Console.WriteLine("UNKOWN WRITE: {0:x}", address); break;
}
if (myCartridge.Mapper == 5)
{
myMapper.WritePrgRom(address, data);
}
}
else if (address < 0x8000)
{
if (!isSaveRamReadOnly)
{
saveRam[address - 0x6000] = data;
}
if (myCartridge.Mapper == 34)
{
myMapper.WritePrgRom(address, data);
}
}
else
{
myMapper.WritePrgRom(address, data);
}
return(1);
}
