Game Boy / GBC - John Madden Football (Prototype) - Super Game Boy Border

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Super Game Boy Border
Category	Game Boy / GBC
Game	John Madden Football (Prototype)
Section	Miscellaneous
Submitter	Yawackhary
Size	0.00 KB
Format	PNG ()
Hits	640
Comments	1
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	Yawackhary Jul 7, 2022, 8:30 AM
	To rip this, I had to hack the ROM. What happened is that the ROM for this game only works on SameBoy and gives out a warning but manages to boot up (for the technical minded, it detects as having no Memory Bank Controller despite being 128kb in size, SameBoy chooses MBC3 for the game. MBC3 is used for the likes of Pokémon Gold and Silver and this game would have come out in 1993. So it would have most likely used MBC1. Other emulators only read the first 32kb and give up.) With this little change (adding the MBC header), now it can boot up on any emulator. Thinking of doing a patch but would have to do it right, after all it was a quick hack and highly doubt anyone would want to play a Tecmo Bowl styled Madden game...