RWIDTH_HEIGHT
WriteReg32(RWIDTH_HEIGHT, ((w - 1) << 16) + h);
WriteReg32(RWIDTH_HEIGHT, ((width) << 16) | (height + 1));
WriteReg32(RWIDTH_HEIGHT, ((w - 1) << 16) | h);
WriteReg32(RWIDTH_HEIGHT, ((w - 1) << 16) | 1);