[Coco] MC6847 External Character ROM

[univax!gatech!destroyer!trantor!kandur]

Great, proper descenders here,
https://docs.google.com/file/d/0B1sgl615FlGndy0wWWVqQjB0d3M/edit?pli=1 

Kandur

Friday, January 16, 2015, 5:42:50 PM, you wrote:
> Hi guys,

> I’ve got my External Character ROM prototype for the MC6847 working.
> There’s a few pics I put up here if anyone is interested in taking a look.

> <https://sites.google.com/site/thezippsterzone/home/coco2-projects/mc6847-external-character-rom
> <https://sites.google.com/site/thezippsterzone/home/coco2-projects/mc6847-external-character-rom>>

> It’s just using a font I quickly put together for testing (I need to make some good ones).
> The design allows for up to 8 dip-selectable character sets.

> If anyone is able to dump the contents of an original Lowerkit ROM (or has any other character
> sets) and send it to me that would be great.  Or let me borrow the EPROM and I can get
> the code off of it… :-)

> Next I’m going to see if I can move all the logic into a CPLD to shrink the board size and then
> come up with board layouts for the various CoCo 1 and 2 models I have available.

> This is proving to be a fun project!

> - Ed