The PicoDrive Emulator for PSP that started life here at DCEmu has again been updated, heres the release notes of this Master System/Genesis/Sega CD/Sega 32X emulator for PSP:
PicoDrive 1.92.2 for the PSP brings about the following:
Some graphical issues were fixed in Fantastic Dizzy, Test Drive 2, Sonic 3D Blast and Subterrania when the accurate render is being used.
Some FPS issues when vsync is used with PAL games were fixed.
Sound issues when frequencies in NTSC games are less than 44kHZ were fixed.