TAS Tools, Frame Advance

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Quick summary

Frame advance is the most precise form of slow motion, a slow motion where it plays frame by frame at your control.
To input controller keys in a frame, hold down the controller keys and press the frame advance button. The frame advance button may be held down to frame advance quickly.

https://tasvideos.org/EmulatorResources/Using#FrameAdvance

Details

Basically, now that RPCS3 has SaveStates, adding Frame Advance would make it possible to create a lot of TAS content on the platform, even just by saving replays in some games, like Guilty Gear Xrd.

An example of an emulator with this feature is BizHawk:
https://tasvideos.org/BizHawk/ReleaseHistory
https://github.com/TASEmulators/BizHawk

Best regards,