typedef unsigned int u32;

extern "C" {
#define WIDTH 600
#define HEIGHT 600

u32 buffer[HEIGHT][WIDTH];

void go(int width, int height, int offset) {
	offset %= 0xff;

	for (int y = 0; y < HEIGHT; y++) {
		for (int x = 0; x < WIDTH; x++) {
			buffer[y][x] = ((u32) (x + offset) ^ (u32) (y + offset)) | 0xff000000;
		}
	}
}

}