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Nintendo Wii The Size Of A Game Boy Cartridge Finally Released Open Source (retrododo.com)

submitted 3 days ago by [email protected] to c/[email protected]

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[–] [email protected] 4 points 2 days ago

This was also explained in the source I linked.

Interestingly, since the data is read twice, some unlicensed developers exploited that. They would have logo data for something other than Nintendo in the location the logo data was normally stored. So you could boot the Gameboy and see some other logo besides the Nintendo one. But, when the logo data was read again for validation, they would quickly change the logo data to the Nintendo logo. That way, the Nintendo logo was never technically reproduced on screen, yet the Gameboy would still boot. Even more genius if you ask me! Very few unlicensed games were released for the Gameboy (at least here in the states). Here’s the best list I could find of unlicensed games.

Thank you for the info.