Ideas for a simple, but somewhat extendable computer bus

Jim Brain brain at
Sat Nov 18 11:20:12 CST 2017

On 11/18/2017 1:46 AM, emanuel stiebler wrote:
> On 2017-11-17 18:11, Jim Brain via cctalk wrote:
>> I'm currently working on a single board computer system, designing 
>> from scratch partially as an education experience, and also as 
>> something that might be of interest to others.
>> I've laid out the first version of the SBC, and I realize it would 
>> cost nothing to add an edge connector on the PCB, allowing expansion 
>> options.  As well, assuming the design has any merit, I can see 
>> creating one of these SBcs for each family (8080/Z80, 65XX, 68XX, and 
>> maybe even 16 bit options like TMS9900, 68K, etc.)
> You know this projects?

I've followed the N8VEM project for many years, but I had forgotten 
about looking at their bus design.  Thanks.

Jim Brain
brain at

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