One of the operators of pspslimhacks.com has built an installer for the just released PSP MAME4ALL v4.9r2 Hires . This installer will easily install the files needed to get playing your favorite MAME arcade games. This is for the PSP Slim cfw 3.xx+ All that’s required your end is to point the installer to your PSP memory stick and then copy roms to the rom folder of this installation on your Playstation Portable. Easy as Pie!
A large number of machines including CPS1 CPS2 and Neogeo most notably.
*Credit to TTYMan for making this PSP emulator.
NOTE: This emulator will not function properly on 6.60 PRO 10 CFW, firmwares I know it has functioned on properly are
CFW 6.20 PRO-B9
CFW 6.39 PRO-B7
If you have run the emulator successfully with out crashes on other firmwares please leave a comment below including the CFW version.