[Coco] A new idea for a CoCoSDC expander

[RETRO Innovations]

On 10/15/2014 3:57 AM, Brian Blake wrote:
> Video of Tom Gunnison's device:
>
> Custom Multi-Pak Interface for the Tandy Radio Sh…:
> http://youtu.be/zy8WdMEAF5Y
>
> His documentation:
>
> http://www.tandycoco.com/techdocs/ColorComputerExpansionInterface.pdf
>
> It does connect to a CoCo via cable with a card edge connector to a 40 pin
> socket. Kinda wierd but it works.

I saw that one as well via Youtube, but didn't immediately see the 
docs.  Looks easy enough, but could stand to be turned into a CPLD 
design.  I bet a 8572xl would fit all that TTL.

JIm