i'm assuming if you know what the code is doing you don't need to audit them...

Right, who among us hasn't hand-written and shipped a twenty-two machines family of legacy operating systems atop a bespoke hypervisor you could explain from the top of your head.

This project looks like a labor of love and its quite cool. Haters gonna hate, but if you actually go read the Markdown there's been a lot of elbow grease put in making this work: https://github.com/hmofet/unodos/blob/master/pc64/FIX-PLAN.m...