I've just published an article detailing how to get FujiNet-PC working with Altirra on an M silicon Mac. It also covers how to properly use Profiles in Altirra and using direct launch pins in Whisky.
Read about it on my blog:
https://unfinishedbitness.info/2025/01/29/altirra-profiles-fujinet-m-silicon-mac-and-you/
@inverseatascii Brilliant! Can’t wait to try it!