G345CDE@AOL.COM asked (some time ago):

> I am trying to learn to program the 16C84..I have a programmer but
> need source code for a few relatively simple circuits to practice on....
> a counter and 7 seg. display counting to 9....anything that will help
> me visualize the relationship of the code to circuit action.

I've put together a few programs that do this sort of thing here:

http://www.man.ac.uk/~mbhstdj/files/icsptest.zip

David