nball 2000 is controlled by a personal computer located in the head of the game. The Operating System controlling the PC is called XINA (which stands for It's Not APPLE, {Appli... surrounding the game.
XINA is actually an application layer on top of PC-XINU, a multithreaded oper... olume set of books. (XINU information: public.ise.canberra.edu.au/~chrisc/xinu.html) PC-XINU won over
