upload_slow.c. A program to upload
programs slowly from Linux to the Apple II monitor over a super-serial link.
I plan (hope) to make an ARM accelerator card that runs Linux
that plugs into the Apple II, much as the z-80 cp/m cards did
back in the day. (Turns out someone else has managed to do this
before me, but I still might try it anyway).
You can watch a video from 2018 at Kansasfest where I describe
a lot of the above work:
Other Interesting Projects (not by me, and links severely out of date)