At first i've just hacked my cartridge by replacing the chip containing the rom by an eprom containing demoscene.
I've do that to do a series of videos and enjoying the GB scene on real hardware.
I've later frontlighted my gameboy:
Then do a cartridge led mod:
And finally hacked the ROM of my games due to a 'challenge'
A french guys know as furrtek have made a homebrew game and sold 80 physical cartridges, the goal was to dump the rom and remove the protections:
I've followed the step of Alex who have do an impressive work about gameboy electronics:
Desoldering the cart adaptater of one of my gameboy (and that was a very long operation....):
Building my new cartridge adapter:
it's work !
GBC shield (to avoid the wire jungle):
Some 'pirate' cartridges i've bought (commentary in french sorry):
Never thought it would be so fun to play with gameboy.