Have a look at https://github.com/rochus-keller/Oberon https://github.com/rochus-keller/Oberon which runs on different operating systems and architectures. You

Have a look at https://github.com/rochus-keller/Oberon https://github.com/rochus-keller/Oberon which runs on different operating systems and architectures. You can even generate platform-independent C which I e.g. used to port the Oberon System 3 (https://github.com/rochus-keller/OberonSystem3 https://github.com/rochus-keller/OberonSystem3).