renderer

type Renderer interface {
	DrawScanline(y int, scanline []color.RGBA)
	SetLCDC(val uint8)
	SetBGP(val uint8)
	SetOBP0(val uint8)
	SetOBP1(val uint8)
	SetSCX(val uint8)
	SetSCY(val uint8)
	SetWX(val uint8)
	SetWY(val uint8)

	SetBGPI(val uint8)
	GetBGPD() uint8
	SetBGPD(val uint8) uint8
	SetOBPI(val uint8)
	GetOBPD() uint8
	SetOBPD(val uint8) uint8
}