68K Free Run
Some small progress on the 68K single board computer: I have a 68008 working in “free run” mode on a breadboard. Free run isn’t really a processor mode, it’s just what happens when you connect all the CPU data lines…
Category 68 Katy
A 68000-based homebrew computer designed for running Linux.
Designing a 68K Single Board Computer
Hackers of a certain age love the 68000 family of CPUs, and I’ve begun sketching out designs for a 68K-based single board computer. Take a vintage off-the-shelf CPU, add ROM and RAM and an SD card and some type…
More Thoughts on Homebrew CPU Linux
The other day I wrote about designing a new homebrew CPU, and getting Linux running on it. After looking deeper into the idea, it’s just not realistic to port Linux to a CPU that I built myself, even a low-end version…
Porting Linux to a Homemade CPU
Wouldn’t it be cool to create a homebrew CPU architecture, then port Linux to it? I realize that single sentence probably implies a couple years’ worth of work, but that’s OK. A real, full-fledged OS running on a totally custom…
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