Category Archives: CPS2

Cracking the Case of Capcom’s CPS2 Security

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We love a good deep-dive on a specialized piece of technology, the more obscure the better. You’re getting a sneak peek into a world that, by rights, you were never meant to know even existed. A handful of people developed the system, and as far as they knew, nobody would ever come through to analyze and investigate it to find out how it all went together. But they didn’t anticipate the tenacity of a curious hacker with time on their hands.

[Eduardo Cruz] has done a phenomenal job of documenting one such system, the anti-piracy mechanisms present in the Capcom …read more

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Desuiciding Capcom Arcade Boards

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Capcom’s CPS2 – or CP System II – was the early to mid-90s arcade hardware famous for Super Street Fighter II, Alien vs. Predator, and a few of the Marvel and Capcom crossover arcade games. As you would expect, these boards have become collectors items. Unfortunately for future generations, Capcom took some short-sighted security measures to prevent copying the games, and the boards have been failing over the last two decades.

After months of work, [ArcadeHacker] and several other arcade enthusiasts have reverse engineered the security protocol and devised a method of de-suiciding these arcade boards, allowing for the preservation …read more

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