public void WriteByte(int address, byte value)
{
if (address < 0x8000)
{
throw new InvalidOperationException("Not a GPU memory portion");
}
else if (address < 0xA000)
{
_vram[address - 0x8000] = value;
}
else if (address < 0xFE00)
{
throw new InvalidOperationException("Not a GPU memory portion");
}
else if (address < 0xFEA0)
{
_oam[address - 0xFE00] = value;
}
else
{
GPURegister localAddress = (GPURegister)(address - 0xFF00);
_io[(byte)localAddress] = value;
if (address == 0x46)
{
Debugger.Break();
}
}
}
public byte ReadByte(int address)
{
if (address < 0x8000)
{
throw new InvalidOperationException("Not a GPU memory portion");
}
else if (address < 0x9FFF)
{
return(_vram[address - 0x8000]);
}
else if (address < 0xFE00)
{
throw new InvalidOperationException("Not a GPU memory portion");
}
else if (address < 0xFEA0)
{
return(_oam[address - 0xFE00]);
}
GPURegister localAddress = (GPURegister)(address - 0xFF00);
return(_io[(byte)localAddress]);
}
public byte this[GPURegister register]
{
get
{
return(_io[(byte)register]);
}
set
{
_io[(byte)register] = value;
}
}
