2020-01-29:

* Port the X version as well.

LOW PRIORITIES (try to port other games first)
^^^^^^^^^^^^^^
* Make In-game score display visible.

* Text display that works when optimise = on.
  -Better now with vectrexInterface lib from pitrex.10.

* Add buffering system to substitute for video RAM.

* Bare-Metal version (need to substitute for all of zblast's other Linux
  dependencies).

* Add sound effects via the Vectrex.

* Replace the raster title graphic.

* Show high scores.