[Coco] Liber809

[Richard E. Crislip]

On Sunday, February 19, 2012 02:15:08 PM Boisy G. Pitre wrote:
> Hello everyone,
> 
> I wanted to make you all aware of a project that I've been wanting to do
> for some time, and have finally gotten working (with Gary Becker's design
> help and some input from James Daggett).  It's called the Liber809 and is
> a 6809 daughterboard that replaces the 6502 CPU found in the Atari 8 bit
> computers such as the Atari 400/800/130XE/etc.  I've currently got a
> handwired prototype running on an Atari XEGS.
> 
> There were some challenges in getting the design right, as the Atari's
> employ special graphics and sound chips, some of which actually want to
> take over the bus.  Having the 6809 cope with that logic was interesting
> but in the end, doable.
> 
> Although this isn't necessarily a CoCo thing, it has some lateral interest
> because it will open up a whole new set of folks to the 6809 software and
> NitrOS-9.  Having the 6809 run on systems such as the Atari with their
> powerful graphics and sound hardware is a dream I've always had and now
> it's happening.
> 
> The idea is to also expand this idea to other 6502 systems like the
> Commodore 64 and Apple II.
> 
> The next step is to do some more testing and then make some actual PCBs for
> additional testing.
> 
> Thanks go to Gary Becker for the design and James Daggett for his
> assistance.
> 
> Best Regards,
> Boisy G. Pitre
> 
> Join our forums at http://www.tee-boy.com/forums/ to exchange ideas and
> information with other WeatherSnoop enthusiasts.
> 
> 
> 
> 
> 
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 Oh Wow! That sounds really good.