Surprising that he had success with a project (pearpc) that had its last commit 10+ years ago: https://github.com/sebastianbiallas/pearpc

His fork is at https://github.com/mihaip/pearpc

I suppose it retains x86-64 support despite adding a webassembly target.

Edit: he also blogged about adding NextStep to Infinite Mac: https://blog.persistent.info/2024/03/infinite-mac-nextstep.h...