Unlocking the PSP’s Dual Core setup.

📰 New article from Wololo.net

Unlocking the PSP’s Dual Core setup.

https://wololo.net/2026/06/16/unlocking-the-psps-dual-core-setup/

Think the PSP is just a single-core relic? Think again. Thanks to some serious detective work by developer m-cid, we now know the handheld actually hides a secret dual-core setup. It’s not just a fun fact for old-school geeks; it’s a major unlock for homebrew potential.

For years, Sony kept the Media Engine (ME) locked behind kernel-level access, using it strictly for decoding audio and video. Retail games could only ask the kernel to do the heavy lifting. This was likely a strategic move to allow hardware revisions without breaking compatibility—a strategy Sony later botched with the PS Vita, which lacks the ME entirely.

But m-cid has cracked the code. They’ve identified the ME’s co-processor, the Virtual Mobile Engine (VME), and created easy-to-use libraries that let developers tap into this raw power. This isn’t just about tinkering; it’s about performance. We’re talking about hardware-accelerated 64-bit integer math and potential FPS boosts for emulators.

The results are already showing up in projects like the Perfect Dark port. If you’re into the technical nitty-gritty, the GitHub repos linked in the original post offer a treasure trove of documentation. It’s a reminder that even retired hardware still has plenty of surprises left in its silicon.