Honestly I've experimented with doing something basically like this doing a bunch of modifications to zforth and using it on RP2040 and RP2350 and it actually w

Honestly I've experimented with doing something basically like this doing a bunch of modifications to zforth and using it on RP2040 and RP2350 and it actually works really nicely. It's amazing the functionality you can fit down onto those MCUs basically building an old school computer with a Forth interface like the Canon Cat was.