alt Hacker News>Even using the original ps2 or ps3 controller with the right drivers on PCSX2 doesn't really reproduce the same smooth acceleration/brake curve of the PS2.
why not? if we're at the point of byte perfect recomp of system firmware+games, surely we could find a patch that would fix that in both pcsx2 or this project
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Xirdus • yesterday at 3:32 PM
Generic PS2-to-USB adapters ignore that part of the spec, so the PC doesn't receive these inputs at all. You'd need to build your own adapter out of Arduino or something.
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I think the game is simply hardcoded with a sensitivity curve and deadzone specific for the Dualshock 2 pressure buttons on a regular PS2. Some third-party controls aren't too great to use with PS2 GT games, too.
Patching that is possible I guess, but it would also require setting up some sort of calibration in the game.