In September of 2021 I started investigating what it would take to write a LuaPosix compatibility layer for the original ULOS. While it is indeed possible, ULOS's Cynosure kernel simply wasn't designed around that sort of API—it would at best have required a large amount of work and been difficult to accurately reproduce LuaPosix's behavior. There were also a few idiosyncrasies with the system as a whole, and it doesn't work on 256KB of memory, which is unfortunate.
Cynosure 2 is my answer to this problem. Its features include, but are not limited to:
- Fully pre-emptive multitas