I have decided to reverse engineer the BIOS (vendor specific bit of CP/M-80) of the RC702 machine I used many moons ago, and convert it as much as I could to C. Claude Code (the AI coding tool I'm testing for this) suggested using z88dk with their slightly changed sdcc as the compiler. This has been great fun. Including writing new peephole optimizaitions to eliminate JP's to the next function coming just after it. Thanks for a great product! I've found that register passing with --sdcccall 1 and...
@rsimac thank you it is my understanding the project owner needs to step up for this. perhaps thats you?!
Merge work done by me on Github back into official sources.