EPROM emulators (was Re: newbie building a scratch-built computer)

[Dave McGuire]

On Aug 28, 2007, at 4:41 PM, Philip Pemberton wrote:
>> It was wonderful.  I did a few different boot proms with one. Very  
>> handy.
>> It was made by (I think) Grammer Engine.  Try www.promice.com.  But
>> gosh, they do seem more expensive now that I remember...
>
> Ah, but it's so much fun to build your own:
>
> http://piclist.com/images/boards/EPROMemuMk2/index.htm
>
> (the photos aren't particularly flattering - I've since redone the  
> front panel so it looks fairly presentable)
>
> It'll do any 27xx chip from 2764 through 27512, and smaller chips  
> with a passive adapter. I built it to go with my 6502 computer  
> board, and for rapid firmware testing and debugging it's a great  
> tool. It's also good for Gameboy cartridge code development :)

   That's a damn nice piece of work!

         -Dave

-- 
Dave McGuire
Port Charlotte, FL
Farewell Ophelia, 9/22/1991 - 7/25/2007