[stevekemp]

Thanks for the feedback - there's a disjoined comment in the README on portability that points to the golang package x/term, and a single open bug report that says "fix it".

So I have a plan, but it's a bit more annoying than I'd like to handle. At least the "conditional compilation" via build-tags is nice and straight-forward!

There is a trace of all CP/M syscalls made, available via the "-log-path" command-line option, but so far I've not needed to debug actual Z80 opcodes.