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Romhacking => Help Wanted Ads => Topic started by: u/usertheloset on July 30, 2021, 08:16:05 am

Title: [Technical] [Sega Genesis] Mario 4: Kosmicheskaya Odisseya Translation
Post by: u/usertheloset on July 30, 2021, 08:16:05 am
Hi, i recently discovered an unlicensed Genesis game named "Mario 4: Kosmicheskaya Odisseya" (known as "Mario 4: Space Oddysey" in english). Many people were asking to translate it, so as someone who knows Russian i decided to do it.

The script is already done, but here comes the main issue; i don't have experience with Genesis hacking. I tried searching for tutorials, but there doesn't seem to be any.

Could anyone help me out?
Title: Re: [Technical] [Sega Genesis] Mario 4: Kosmicheskaya Oddiseya Translation
Post by: goldenband on August 02, 2021, 01:38:04 pm
Awesome that you're working on this -- it's a cute little pirate Mario game. I hope you find the technical help you need.

Does your copy have the issue where the store crashes? I have a ROM that DonKaleAEX patched to fix that problem. Here are the relevant addresses, and as you can see, they're all the same 5-byte change:

0x1089D: write 71 4E 71 4E 71 (replacing 89 00 00 30 C2)
0x109A9: write 71 4E 71 4E 71 (replacing 89 00 00 30 C2)
0x10A4D: write 71 4E 71 4E 71 (replacing 89 00 00 30 C2)
0x10AF3: write 71 4E 71 4E 71 (replacing 89 00 00 30 C2)


Supposedly that will allow you to buy items from the store. Not sure if it's fixing a bug or defeating copy protection.
Title: Re: [Technical] [Sega Genesis] Mario 4: Kosmicheskaya Oddiseya Translation
Post by: u/usertheloset on August 15, 2021, 04:06:56 pm
Thanks. Yeah, it seems to happen in all versions of the game.