GunCon2 Shader for Retroarch & GroovyMame guide - ZFEbHVUE/Batocera-CRT-Script GitHub Wiki

RetroArch

  1. Press Button Select (Hotkey) + A to access the Quick Menu.

  2. Navigate to:

    • Quick Menu → Shaders → Video Shaders (ON) → Load → misc → image-adjustment.slangp
    • Then go to Shader Parameters.

  3. Adjust the following parameters to achieve perfect accuracy with the GunCon2:

    • Black Level
    • Brightness Boost
    • Optionally: Luminance

  4. Save your shader settings for the specific game:

    • Quick Menu → Shaders → Save → Save Game Preset

MAME (GroovyMAME)

GunLight Plugin Setup

  1. While the game is running and both the Gun and Gamepad are connected:

    • Press Hotkey + A (or TAB on the keyboard).

  2. Navigate to:

    • Plugin Options → GunLight → Add GunLight Button

Important Notes

  • The guns are set up by piggybacking on the connected controller.
  • You will need one controller connected for each gun you use.
  • It is recommended to use a wired gamepad, as it will not disconnect during gameplay.