Re: 8255 chip card for the II series

[Rubywand <rubywand@swbell.net>]

Chris Pazsint writes ...
> 
> Has any one made a I/O card using the 8255(82C55A) CMOS Programmable
> Peripheral Interface chip?
>

     Yes. We found a pile of 8255's in a dumpster and used them in
various circuits including an I/O board for the II+. It still works
fine.


 
> If any one wants info on makeing one I have found two sties on makeing a
> card one for IBM computers and one for GameBoy
> IBM
> http://www.boondog.com/\tutorials\8255\8255.htm
> GameBoy
> http://www.fh-karlsruhe.de/fbnw/html/Gameboy/Welcome.html
> 
> Chip info
> http://www.questlink.com


     Thanks for posting the references.



Rubywand