deater78 | Riven/D'ni Counting, Demoscene Style @deater78 | Uploaded June 2024 | Updated October 2024, 16 hours ago.
I needed some Apple II lo-res routines for printing Riven/D'ni base-5 numbers. Once I got it working, things got a bit out of hand...

disk image can be found here: deater.net/weave/vmwprod/riven/dni_demo.html