SNES emus actually draw 1 frame in x to fastforward. we cant/won't do this, so fastforward is mostly just a case of running the system as fast as we can. fine on fast systems, useless if you're at 100% cpu anyway (less an issue now).
the "other" kind of fastforward is when you've rewind, then you can jump forward through states again.. not sure which people want, the ability to replay or just a repeat?
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