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EmulationStation Project Eris

lixicus edited this page Dec 18, 2025 · 8 revisions

Mame

  1. Create a folder called Mame in the roms folder.

  2. Use a MAME 2003-Plus or MAME 0.78 romset. Libretro info here.

Dreamcast / Genesis

  1. Switch out the Dreamcast and Genesis cores with kmfd's Flycast core & an updated build of Genesis Plus GX cores to fix launching issues.

  2. Rename the Flycast core to flycast_libretro.so or edit the es_systems.cfg to reflect the change.

Atari 800

  1. Make sure to add your atari800 bios before launching the core.

  2. If you launched the core beforehand then simply delete the file atari800.cfg in \project_eris\opt\retroarch\config\retroarch\ .

Atari 2600

  1. Open \project_eris\opt\emulationstation\.emulationstation\es_systems.cfg with a notepad editor.

  2. CTRL + F a2600

  3. Switch <command>es_launch_ra stella_libretro.so %ROM%</command> to <command>es_launch_ra stella2014_libretro.so %ROM%</command>

  4. Save file

N64

  1. Open \project_eris\opt\emulationstation\.emulationstation\es_systems.cfg with a notepad editor.

  2. CTRL+F n64

  3. Switch <command>es_launch_ra parallel_n64_libretro.so %ROM%</command> to one of these choices:

Glupen64 core Mupen64plus Next
<command>es_launch_ra km_glupen64_libretro.so %ROM%</command> <command>es_launch_ra mupen64plus_next_libretro.so %ROM%</command>
  1. Save file

PPSSPP / Drastic

  1. Download ES Additions from ShreyaRayne

  2. Download PPSSPP and Drastic standalone and place it in the mods folder of your Poject Eris adapter

  3. Copy and overwrite the project_eris folder/files from the ES_Additions.7z over to your Project Eris adapter

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