// The Game Boy contains two 32x32 tile background maps in VRAM at addresses 9800h-9BFFh and 9C00h-9FFFh.
// Each can be used either to display "normal" background, or "window" background.
public TileMap(IPpu ppu, IMemoryReader memory, ushort vramOffset)
{
if (vramOffset != 0x9800 && vramOffset != 0x9C00)
{
throw new ArgumentException("Background map must be located at cofrrect address");
}
this.vramOffset = vramOffset;
this.ppu = ppu;
this.memory = memory;
}
public Emulator(ICpu cpu, IPpu ppu, IMemory memory)
{
this.cpu = cpu;
this.ppu = ppu;
this.memory = memory;
}
public LcdControlRegister(IPpu ppu)
{
this.ppu = ppu;
}
public PpuMemoryRegisters(IPpu ppu)
{
this.ppu = ppu;
LCDC = new LcdControlRegister(ppu);
STAT = new LcdStatusRegister(ppu);
}
public LcdStatusRegister(IPpu ppu)
{
this.ppu = ppu;
}
public Memory(IPpu ppu, Lazy<IIO> io)
{
this.ppu = ppu;
this.io = io;
ram = new byte[ushort.MaxValue];
}