[Coco] MC10 guys feeling left out of the DIY discussion?

[Joe Grubbs]

Darren, this sounds like a fantastic project and I want to stay up to date on it. Please keep us posted on your progress. 

Is this something that you'd be willing to have boards made for purchase?



> Date: Thu, 12 Mar 2015 10:23:09 -0600
> From: mechacoco at gmail.com
> To: coco at maltedmedia.com
> Subject: Re: [Coco] MC10 guys feeling left out of the DIY discussion?
> 
> On Thu, Mar 12, 2015 at 9:59 AM, Joe Grubbs <jsgrubbs at hotmail.com> wrote:
> 
> > All of the buzz surrounding Kip's cool little 6809 6 chip computer project
> > made me wonder whether or not someone had produced a simple DIY 6803 based
> > computer. Sure enough, someone has and it's pretty cool. I read this blog
> > with great interest. He's actually using the 6303 in his circuit. And since
> > these processors have a serial device/UART built in, that's one less set of
> > components necessary for host communication.
> >
> 
> 
> I have been working on a small SBC that is an update to the MC-10.  I call
> it the MC-11 because it is based on the 68HC11 rather than the 6803. The
> HC11 instruction set is upward binary compatible with the 6803 so the plan
> is for it to be able to run the vast majority of existing MC-10 programs
> (what little there is).  The development tools and compilers available for
> the HC11 should make writing new software much easier.
> 
> I spent most of last weekend just trying to figure out how to get the HC11
> to share RAM with the 6847 VDG without producing any sparkles (no SAM chip
> in this computer).  Next up will be to devise a PS2 keyboard interface
> which can mimic the MC-10 hardware.
> 
> - Darren
> 
> -- 
> Coco mailing list
> Coco at maltedmedia.com
> https://pairlist5.pair.net/mailman/listinfo/coco