via http://www.emucr.com/

Gens-ReRecording SVN r351 is released. Gens Rerecording, formerly known as Gens Movie Test, is a modification of the highly popular Gens emulator. This modification includes slowdown, recording and playback of controller input logs, dumping of AVI files, and Lua scripting. This emulator is primarily used by the Nesvideos community.

Gens-ReRecording SVN changelog:
r351
A few fixes in Sonic hacks: multisprites and screen-space objects in S3&K, camera hack hanging because of camera bounds preventing it from moving, support for S3&Amy hack.
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r350
Getting Gens to compile on VC++2008.
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r349
Adding resizable file dialogs. Some alignment on starscream.

https://www.sendspace.com/file/g5bkbr