[Coco] [Color Computer] Re: Coco flash cartridge

[Mark McDougall]

James Diffendaffer wrote:

> Well, I *was* going to post how I would do this but I think you have
> it well in hand.  I drew up a circuit to do this but with a fixed size
> ROM window and it didn't look that difficult or expensive to me... but
> then I never built the thing to find out if it worked.  I have do have
> a tube of FLASH memory somewhere around here though.

Yes, using a single 44-pin USD$2.10 CPLD!!!

> Not resetting the bank switch on reset is a must if it's to be used as
> a multi-cart since you have to reset some games to get them to work in
> the proper colors.  However, you may want to add a place on the board
> where you can reset the cart from a button on it.  Perhaps it could
> reset the entire system.

Good idea!

Regards,

-- 
|              Mark McDougall                | "Electrical Engineers do it
|  <http://members.iinet.net.au/~msmcdoug>   |   with less resistance!"