If anyone has wondered how the firmware works, I've made an online emulator using Emscripten, Raylib and the original firmware with a few simple wrappers for LCD and keyboard functions.

A project log for OpenRPNCalc
Open-source and open-hardware custom scientific RPN calculator
If anyone has wondered how the firmware works, I've made an online emulator using Emscripten, Raylib and the original firmware with a few simple wrappers for LCD and keyboard functions.
Discussions
Become a Hackaday.io Member
Create an account to leave a comment. Already have an account? Log In.