Fuzebox Open source 8-bit console

The Fuzebox is a fully open-source, DIY 8-bit game console. It is designed specifically for people who know a little bit of programming to expand into designing and creating their own video games and demos. A full-featured core runs in the background and does all the video and audio processing so that your code stays clean and easy to understand.
[spoiler] * Full 256 simultaneous output colors, 240×224 pixel resolution
* Tile & sprite support
* Two player ports, either with Super Nintendo or classic Nintendo controllers
* NTSC RCA composite and S-video out (PAL not supported at this time)
* 4 channel output mono audio for music and effects
* SD/MMC card support for future expansion
* Built on an Atmel AVR core, 64KB flash and 4KB of RAM
* Main microcontroller chip is preprogrammed with an STK500-compatible (sometimes referred to as Arduino-compatible) bootloader
* Write game code in C, using fully open source tools on any platform
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Se il mini-Korg non vi è bastato ecco un altro mini-incauto… 100 euro e vi portate a casa questo giocattolo.

http://www.ladyada.net/make/fuzebox/