💡 A real PowerBook: the Macintosh Application Environment on a PA-RISC laptop • OldVCR
https://oldvcr.blogspot.com/2025/08/a-real-powerbook-macintosh-application.html
"Have you ever designed your own ISA, built a processor of that ISA on FPGA, and built a compiler for it? Furthermore, have you run an operating system on that processor? Actually, we have."
https://fuel.edby.coffee/posts/how-we-ported-xv6-os-to-a-home-built-cpu-with-a-home-built-c-compiler