hack

View: https://www.youtube.com/watch?v=-CUswHWWNZs I have rebuilt Dodonpachi Campaign Ver. It is playable anywhere the ddonpachj rom is playable, including MAME, fpga, and even original pcb (if you're brave enough to de-solder some roms). Changes showcase: Background Palettes & Tiles Animations...

Did some hacking on NBA Jam TE so it would run on any T-Unit. The security is quite devious. And unique per ASIC. The ASIC has functions of moving around data, but it also adds some hidden ram which is visible to the main cpu. On NBA Jam/TE this hidden ram is used in conjunction with a table...

I decided to dissassemble Taitos Bubble Memories this time, to find out the secret behind the "Extra Mode". What I found out is that it requires two conditions to unlock this mode. When the game have been running for 10 hours, a counter starts to keep track of how many games that been played...

Bought the Fever SOS pcb this spring and while the game is fun and addicting to play I'm not good enough yet to get on to the highscore table. By my estimate you would have to play really good to at least to 3rd boss to even get to the last place :). I stumbled onto Zakk's hack for the Dangun...

I have a bootleg MS6 cart and I'd like red blood turned on permanently. I understand there's a way to patch the game and them replace one or more (?) chips on the board to make this work. I don't have hot air rework tools or a ROM burner, so... if there's anyone out there who can do this and has...

Not sure if anyone here would have any interest in working on such a project, but it's one that has a lot of interest, just not by the right technical people, haha. So apparently Dave Widel might have made a Bubble Bobble high score save kit some time ago, but as far as I know what was made was...