This is the only guy I've seen so far who has successfully pulled it
off. If you do manage to pull it off I would be very interested in
buying one from you if you ever decided to sell them. Good luck and
keep us informed on your progress.

http://www.raphnet.net/electronique/nes_cart/nes_cart_en.php

--- In nesmodifications@yahoogroups.com, "jagerte3007"
<olivier.oswald@...> wrote:
>
> after removing layers of dust we finally played some good old NES
> games today!!
>
> to have even more fun with the box i'm planning to create my custom
> cartridge with connectivity to the modern world (USB, CompactFlash
or
> Ethernet) - just to ease the upload of a cartridge backup.
>
> it will also be able to emulate the known PRG/CHR/RAM pinouts and
> memory mappers of the original cartridges.
>
> does anybody know if someone else already did something in that
> direction? wouldn't be that much fun with the soldering iron if i'd
> waste my time here :)
>
> any help in the project is apreciated.
>