1. Setting up the GEMS editor environment

Initial Setup

Everything you need is within the _env folder.

• Extract RetroArch.7z, dosbox_daum.7z, and GEMS.zip/GEMS28.rar into their own folders.

RetroArch Setup

• Move libretro-git-genplus-x86_gems.dll into the RetroArch folder.
• Go into the RetroArch folder, launch retroarch.exe, and close it.
• Open retroarch-phoenix.exe, and change the following settings:
  • RetroArch config file: The retroarch.cfg in your RetroArch folder.
  • RetroArch path: The retroarch.exe in your RetroArch folder.
  • libretro core path: The libretro-git-genplus-x86_gems.dll in your RetroArch folder.

DOSBox Setup

• Open dosbox.exe and close it.
• Go to %localappdata%/DOSBox, and open dosbox-SVN-Daum.conf in a text editor.
• Change the following settings, or add if they are not present:
  • core=simple
  • cycles=8000
  • midiinconfig=0
  • midioptions=inputmp401
  • parallel1=gems
  • If you want the window to be larger, try setting scaler=normal2x forced or scaler=normal3x forced.

When you are done with this, you can now move onto launching the environment itself at Launching the GEMS editor environment.