[Oberon] The 2013 Project Oberon System running on RISC-V instead of RISC-5

Elen Edain elen.edain at protonmail.com
Wed Aug 5 17:33:14 CEST 2026


Hi Rochus,

Just a short note of appreciation for all you have done to enliven this project for future generations. A revised version of Wirth’s book with your amendments that works against a readily available bit of commodity hardware would strengthen this effort further in my opinion. If you ever decide to embark upon such a project I will happily answer any call for help adapting the text, testing and documenting hardware, etc. 

Kind Regards

-------- Original Message --------
On Wednesday, 08/05/26 at 14:12 Rochus Keller <me at rochus-keller.ch> wrote:
Hello everyone

In case anyone is interested, I recently migrated the Project Oberon System available on http://www.projectoberon.com
to Oberon 90 so it compiles with my OP2 version with the RISC-V backend. The project also includes
a virtual machine similar to the architecture Wirth described in his new version of the Project Oberon book, but using
the RISC-V instead of the RISC-5 instruction set.

See https://github.com/rochus-keller/OberonSystem/tree/op2-rv32  for more information. There is a precompiled
version for Linux x64 so far.

Best regards
Rochus Keller
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