MedAdvCFG v0.4.0-r42 is released. Mednafen Advanced Configuration Tool. Frontend for Mednafen v0.9.38.x

MedAdvCFG v0.4.0-r42 changelog:
* Region is now autodetected based on BIOS, Defaults to NTSC-U if using unknown BIOS.
* Regions added to bios.dat
* Added option to boot SysCore with Disc Tray/Cart Ejected
* Clicking 'Mode -> Advanced' from the 'Game Info' screen of Basic Mode now actually returns you to Advanced Mode.
* Various Code Optimizations

Download: MedAdvCFG v0.4.0-r42
Source:Here