I've written a little applet to assist in programming the
CPU-XA. As I
writing for my CPU-XA I found that I had to keep notes on what
variables/timers/etc.. were being used and why. At first I was writing
on a piece of paper but of course I lost my notes.
So I created CPN, it helps keep track of your variables and other
parameters in your CPU-XA program.
The applet is freeware. If you would like to find out more: