Mednafen 0.9.17 WIP is released. Mednafen is a multi-game-system emulator, for various platforms, including emulation of the following systems:Atari Lynx,Famicom,GameBoy (Color),GameBoy Advance,Neo Geo Pocket (Color),
NES(both NTSC and PAL),PC Engine/TurboGrafx 16 (CD) and SuperGrafx,PC-FX,WonderSwan (Color).

Mednafen 0.9.17 WIP changelog:
- PCE: Adjusted ADPCM emulation slightly, fixes massive A/V sync problems with "Sherlock Holmes".
- NGP: Masked NGP BIOS syscall code properly, thanks to SANiK for pointing it out.
- MD: Changed line timings so vertical refresh rates are the same in both 256 and 320-wide modes.
- PCE: Fixed a Seiya Monogatari ADPCM-related lockup, thanks to Rakashazi for pointing the problem out.

Download: Mednafen 0.9.17 WIP
Source: Here