[Coco] [Color Computer] Building an embedded OS9 system from CoCo OS9

John R. Hogerhuis jhoger at speakeasy.net
Mon Jun 21 20:01:16 EDT 2004

I have back issues (that's all there are anymore) of The Computer
Journal that described the Scroungemaster II board that was based on one
or two 6809 CPUs.

Another nice thing is in a series of articles Brad Rodriguez also
created a ANS Forth for this board (the Forth is downloadable online).

I can look for the article if you like.

OS-9 isn't the only choice for 6809 based embedded systems... you could
just have a monolithic system in assembly, you could have a Forth
system... and there's FLEX.

-- John.

On Mon, 2004-06-21 at 15:50, Mike Pepe wrote:
> Has anyone here built an embedded system based on a 6809?
> I'm building some single board computers that are basically the reference
> design from the 6883 data sheet (essentially a CoCo, but without the
> display).
> It would be nice to run OS9 on these things, but I'm not sure if it's even
> feasable.
> I have OS9 and tons of CoCos... Would it make sense to build some sort of
> OS9 boot rom and perhaps run a system based on a RAM disk?
> Maybe there's someone in the group who can point me to the right resource(s)
> Thanks!
> -Mike
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