Pirate Discussion > Famicom/NES

gamezone 2 128in1 rom on its way

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kelvin donna:
Folks, i have very exciting news to share:
Mamehaze has finally dumped the GZ2 Rom!
https://www.youtube.com/watch?v=vTA0y-L5Xks
all we need is to wait for the next version of mame to hit the spot and then we got it all!  ;D

kelvin donna:
https://www.youtube.com/watch?v=Z7JXUNvMbHc&t=174s


here IS THE ROM!  :D ;D ;D
but warning, you cannot play it yet, because it is a raw rom.

forgotusername:
The ROM is heavily encrypted for whatever reason; it's effectively a combination between how the NX-85 and the Pac-Man Pocket Player are coded, both of which had unique forms of protection. Here is a decoded copy, created using the EEPROM Pin Swapper (swapping bytes D0 and D1) and the byte-swapping Python code used for the Pocket Player. I haven't tested it fully yet but it seems to work fine.

kelvin donna:

--- Quote from: forgotusername on November 03, 2023, 02:22:19 PM ---The ROM is heavily encrypted for whatever reason; it's effectively a combination between how the NX-85 and the Pac-Man Pocket Player are coded, both of which had unique forms of protection. Here is a decoded copy, created using the EEPROM Pin Swapper (swapping bytes D0 and D1) and the byte-swapping Python code used for the Pocket Player. I haven't tested it fully yet but it seems to work fine.

--- End quote ---
thank you for this job, pal!
now we can extract these exclusive games and we're FINISHED!

forgotusername:
Extracts for 4 out of 5 of the arcade ports...Scramble is a 97k ROM (32k prg/ 64k chr) on god knows what mapper, so I couldn't easily get that one to work. The other four games are typical NROM.

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