Alan Cox, of Linux fame, has been having some fun with 8 bits lately, it seems.

The main target is Z80, but there also 6502 and 6809 ports. While it's no doubt a bit of fun for Alan, I'm sure it would be an excellent chance to learn about the structure of Operating Systems.

https://plus.google.com/+AlanCoxLinux/posts/a2jAP7Pz1gj

https://github.com/EtchedPixels/FUZIX

I would certainly love the challenge to get this working on my 6809 machine.

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8 bit fun and games: https://www.aslak.net/

It might be interesting to get it working on a 65816, with the larger memory map.

Daryl

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Also, the 65C816's other features, especially the 16 bit stack pointer and stack pointer relative addressing, would solve quite a few programming problems, especially if the sources are compiled with a native mode C compiler.

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x86?  We ain't got no x86.  We don't NEED no stinking x86!