This requires more memory and compute resources than a standard 2600 has, so the demo uses DPC+ and ARM code and therefore needs a Harmony or Melody card to run on a real machine.
The demo renders a scrolling 8-color background and additionally draws some software sprites on top. The graphics are generated on the fly by ARM code that writes all pixels into RAM frame buffers, which then are displayed by a 6507 48-pixel kernel. This is just a graphics demo, you can shoot, but there are no enemies and there is no collision detection. As expected, the 20 Hz flicker is very intense, however, if you move away a few meters from your TV, it doesn't look so bad.
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