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MacFCEU is a Mac OS X port of FCE Ultra.

Quote:
0.7.6
Fixed throttle timing with new precision.
Fixed wave overflow case (if it exceeds disk space).

0.7.4-0.7.5
Implemented NSFe and Open Recent.
Increased throttle precision from 2MHz to 16MHz. It may require some toggling.

0.7a3, from 0.7a2, fixes:
Sound latency issues (throttle´s always on, w/ callback method).
A few movie bugs.
Numerous little bug fixes.