NJ has updated several of his emulator ports to PSP today to v2.2.2. Downloads:

http://nj-emu.hp.infoseek.co.jp/files/cps1psp_2.2.2_for_slim.zip / http://nj-emu.hp.infoseek.co.jp/files/cps1psp_2.2.2_1.5_kernel.zip
http://nj-emu.hp.infoseek.co.jp/files/cps2psp_2.2.2_for_slim.zip / http://nj-emu.hp.infoseek.co.jp/files/cps2psp_2.2.2_1.5_kernel.zip
http://nj-emu.hp.infoseek.co.jp/files/mvspsp_2.2.2_for_slim.zip / http://nj-emu.hp.infoseek.co.jp/files/mvspsp_2.2.2_for_slim.zip
http://nj-emu.hp.infoseek.co.jp/files/ncdzpsp_2.2.2_for_slim.zip / http://nj-emu.hp.infoseek.co.jp/files/ncdzpsp_2.2.2_1.5_kernel.zip

Each update features the ability to now use the 'HOME' button to access the emulator menu during game play, as well as minor GU tweaks and various bug fixes.

More PlayStation 3 News...