The PSP Emulator JPCSP gets updated extremely often , heres the details with links from the latest release:

The revision 76be21e of the emulator jpcsp was released and built. Here are the download links:

windows-x86-32: http://rapidga...x86-32.7z.html
windows-x86-64: http://rapidga...x86-64.7z.html
linux-x86-32: http://rapidga...x86-32.7z.html
linux-x86-64: http://rapidga...x86-64.7z.html
macosx: http://rapidga...macosx.7z.html

Code:
 Merge pull request #428 from sum2012/power-minor
check out the Live Downloads section for more builds

Full Info: http://www.jpcsp.org/