Ideas for a simple, but somewhat extendable computer bus

[emanuel stiebler]

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?

https://en.wikipedia.org/wiki/N8VEM