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Reprogrammable Genesis cartridge

Reprogrammable Genesis cartridge

I bought a genesis game console with a few games. I got tired of playing Sonic and MicroMachines so I decided to build a reprogrammable cartridge. Many things can be done with such a cartridge

– Development:
You can develop your own applications or games and try them on real hardware instead of using an emulator. If you’d like to get into genesis development, I think the genesis technical documentation available at zophar is a good starting point.

– Music:
You can listen to genesis music (.gym) on a real genesis. There is a rom named Flavio’s GYM Player which needs to have a .GYM file appended to it. Once loaded, the rom plays the gym file.
Here it is:
Flavio’s GYM Player V1.0 (PD).zip

You can download .gym music from zophar’s genesis music archive.

– Using demos and public domain roms:
Demos are usually animations and presentations with special effects and music made by one person or a group of person to demonstrate their abilities.

There are a few genesis demos available on theses pages:
And I host a few files here:
Flavio’s Color Bar Screen (PD).zip
Flavio’s DMA Test (PD).zip
Flavio’s GYM Player V1.0 (PD).zip
Flavio’s Raster Effects Test (PD).zip

– Using commercial game roms:
Yes, it’s possible to download real games roms and use them with this cartridge. Unfortunately, it’s illegal. Some people say that if you erase the rom within 24 hours, it’s legal to use them. (I dont know if it’s true, I am not a lawyer). Since many of theses games are not sold anymore and have been ‘abandonned’ by the company owning the copyright, they may be considered as abandonware. (And even then, I’m not sure if it’s legal)

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