- xoffs = COS(time_msec >> 5) * fb_width >> 7;
- yoffs = SIN(time_msec >> 4) * fb_height >> 8;
- zoom = ((SIN(time_msec >> 4) + 256) << 1) + 512;
+ xoffs = COS(time_msec >> 3) * fb_width >> 15;
+ yoffs = SIN(time_msec >> 2) * fb_height >> 16;
+ zoom = (SIN(time_msec >> 5) >> 1) + 65536;