draw_sprite(sprite_index, image_index, x, y);
if (obj_time.right)
    x += 4;
if (obj_time.up)
    y -= 4;
if (obj_time.down)
    y += 4;
if (obj_time.left)
    x -= 4;
if (x > 624)
    x = 624;
if (x < 0)
    x = 0;
if (y > 464)
    y = 464;
if (y < 0)
    y = 0;