4 ms·

I believe the firmware was OpenFirmware, which is FORTH based and actually rather nice.

• DonHopkins 7y ago
  That's right! It's the Cadillac of Forth systems, with electric windows, cruise control, luxurious Corinthian Leather upholstery, a retargeting metacompiler, and emacs key bindings for command line and history editing. https://github.com/MitchBradley/openfirmware https://github.com/MitchBradley/openfirmware Mitch Bradley also made a great Forth system implemented in C, which he actively maintains (last updated 18 hours ago!): https://github.com/MitchBradley/cforth https://github.com/MitchBradley/cforth See my other post about Forth: https://news.ycombinator.com/item?id=21049568 https://news.ycombinator.com/item?id=21049568