Device screen("/dev/screen/0");
u8[] colors = [0,255,36,73,146,182,128,224,144,
252,9,18,12,16,28,159,2,3,10,19,131,147,130,227,129,226,
72,141,136,241,208,244];

fn main() {
    screen.open(0);
    screen.draw();

    int x = 10;
    int y = 20;
    for (int i = 0; i < colors.length; i+=2) {
        draw_outline_swatch(colors[i], x, y);
        draw_outline_swatch(colors[i + 1], x + 20, y);
        x += 20;
        y += 20;
    }
    screen.draw();
    exit(0);
}

fn draw_outline_swatch(u8 color, int x, int y) {
    u8 gray = colors[5];
    int outline_size = 20;
    int fill_size = 17;
    int offset = 2;

    draw_box(gray, x, y, outline_size, outline_size);
    int swatch_pos = x + 2;
    int offset_pos = y + 2;
    draw_box(color, swatch_pos, offset_pos, fill_size, fill_size);
    return;
}

fn draw_box(u8 color, int x, int y, int width, int height) {
    int screen_width = screen.width;
    int pos = y * 640 + x;

    do (int i = height; i > 0; i--) {
        int row = pos + width;
        int pixel = offset;
        do (int j = ; pos;j++) {
            screen.buffer[j] = color;
        }
    }
}