Custom OS for the FunKey S / Q36 Mini / RG Nano

Changelog since the last update

Improvements

• [Emulation] Default emulators have been replaced by PicoArch with Libretro cores in RetroFE and GMenu2X for better performance, compatibility and accuracy. Please read below before continuing:

  • Save states from the original emulators may not be compatible with the Libretro cores but game saves should (put your .sav files into FunKey/.picoarch/data/CORE_NAME/). So please do NOT install this update if you want to keep using your old save states!!!
  • Put your BIOS (PS1, Mega-CD, PC-Engine CD-ROM, GBA...) in FunKey/.picoarch/system/.
  • The Libretro cores are stored in Libretro/cores/, you should not delete them unless you get a more recent version, otherwise default emulators won't work anymore both in RetroFE and GMenu2X. However, you can add your cores to this folder and use PicoArch to launch them.
  • Libretro core list:
    • Game Boy/Game Boy Color => Gambatte
    • NES => FCEUmm
    • Game Boy Advance => gpSP
    • Super NES => Snes9x2005
    • PCE CD-ROM/SuperGrafX => Beetle PC-Engine SuperGrafX
    • Lynx => Beetle Lynx
    • WonderSwan => Beetle WonderSwan
    • Neo-Geo Pocket => Beetle Neo-Geo Pocket
    • PlayStation => PCSX ReARMed
    • SG/SMS/GG/MD/MCD/32X => PicoDrive

• [Stats] Replaced swap size by CPU temperature in system_stats (L+R+Select).

• [PicoArch] Real-time clock is now supported (Gambatte, gpSP...) thanks to neonloop. Furthermore, RTC now works fine with savestates and instant play, it will recalculate the time during savestate loading, so that's not mandatory to use internal game saves anymore!

Known issue

• [SDL] Some image formats (.jpg and .png for instance) may not open under Commander since the 60 Hz update (ticket #46).

Installation

• FunKey-rootfs-DrUm78.fwu is for the FunKey S and Q36 Mini devices only and should be used to upgrade a previous version of my custom OS or the stock OS. Drop the file at the root of your card then unmount to update.
• FunKey-rootfs-DrUm78_RG_Nano.fwu is for the RG Nano device only and should be used to upgrade a previous version of my custom OS but NOT the stock OS (use FunKey-sdcard-DrUm78_RG_Nano.img file instead, see below).
• FunKey-sdcard-DrUm78.img is for the FunKey S and Q36 Mini devices only for people who want to flash a fresh new SD card (all data will be wiped!). Use this file with an image flash tool like Win32 Disk Imager then put the card in your console and it will finalize the process on startup (partition resizing etc).
• FunKey-sdcard-DrUm78_RG_Nano.img is for the RG Nano device only. Instructions about flashing the SD card are the same as for the FunKey S (see above).