Mednafen v1.22.1 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 v1.22.1 Changelog:
January 27, 2019:
Changed the default sound device for the OpenBSD sound driver from "/dev/audio" to "/dev/audio0".

January 26, 2019:
Semaphores are now implemented with condition variables and mutexes when compiling against a POSIX threads implementation without sem_timedwait().

January 23, 2019:
PC-FX: Replaced old RAINBOW IDCT code with newly-written code.

January 20, 2019:
Some hotkeys in the debugger's memory editor weren't being ignored properly when in text entry mode; fixed. (Regression introduced in 1.21.0-UNSTABLE)

January 1, 2019:
Apple2: Corrected minimum allowed value for the "apple2.video.mono_lumafilter" setting(was -2 when it should have been -3).

SS: Corrected line-scroll handling in double-density interlaced mode with non-zero LSS; fixes broken background graphics effect in Dural's stage in "Virtua Fighter 2".

SS: Added "Linkle Liver Story" to the internal database of games to use the data cache read bypass kludge with, to fix a crash/hang when going to the world map.

Download: Mednafen v1.22.1 x86
Download: Mednafen v1.22.1 x64
Source: Here