Downloads




V2 Adapter Firmware

Download firmware for your V2 adapter here

Please ensure that you choose the correct adapter type before downloading!


Adjust Stick Sensitivity (GC+CC)

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Stick Mapping Plot

Nintendo 64 Menu Combo

A B S CU CD CL CR Z
L R DU DD DL DR

GameCube Menu Combo

A B X Y Z S
L R DU DD DL DR

Classic Controller Menu Combo

a b x y Minus Home Plus ZL ZR
L R DU DD DL DR


Select Adapter Type:


Select Firmware Version:





EM Firmware Flasher

This standalone software lets you flash firmware onto your V2.0 adapter. You will need this to update your adapter firmware.

Click here for step-by-step instructions on reflashing your adapter firmware.

Linux users should still be able to use this tool. Others have had success running it with Mono.

EM Firmware Flasher V1.0 Screenshot
> Download EM Firmware Flasher V1.2 <




Firmware Version Changelog


  • Brigtness adjustment now done in firmware (no effect on existing adapters)
  • Broken map XY to C-stick option fixed (GC+CC)
  • Added "SNES VC" option under games list for playing SNES Virtual Console titles
  • Custom menu button combos can now be chosen when downloading the firmware
  • Removed the CC menu home/- option from V1.3.1 (now obsoleted)
  • Adapter now supports games which poll in 4-bit modes (for C-stick + triggers)
  • Added Swap Triggers option (N64+GC+CC)
  • Each menu title is now unique (not "Main Menu")
  • Input display showing some post-modified values bug fix
  • Disconnecting the working controller when in the menu now closes the menu
  • Stick and button remapping code tidied up
  • Menu code cut down and tidied up
  • Added Map GameCube Z to L option (GC)
  • Added bounds checking for calibrated C-stick values (wrapping bug fix) (GC+CC)
  • Now compatible with official Wii U GameCube->USB adapter (timing related issue)
  • Added option to map X,Y to C-stick L,R (mostly for SM64 camera with X+Y buttons)
  • Moving up-right when first connected to Raphnet GC>N64 adapter bug fix
  • Wavebird compatibility problem fixed (timing related issue) (GC)
  • Major console & controller poll timing improvement - now uses hardware timer
  • Added Majora's Mask KZ option (N64)
  • C-stick disable Down/Left/Right option added (GC+CC)
  • C-stick invert Y-axis option added (GC+CC)
  • Disable rumble option added (GC)
  • Adapter is now compatible with Raphnet GC>N64 adapter for playing on N64
  • Menu toggle options show a checkbox, rather than Y/N or Enabled/Disabled
  • Wavebird GameCube controller ID polling improvement
  • Wii Classic Controller option for using either home or - as the menu button
  • OLED display lights up when the (active) controller is connected / disconnected
  • Wii Classic Controller poll collision bug fix
  • New adapter input types available (N64+CC, GC+CC, N64+GC+CC)
  • Old "Dual" adapter description is now "N64+GC"
  • Wii Classic Controller option for triggers to swap ZL+ZR & L+R
  • Trigger mode can be set to only modify L or R (or both by default)
  • Wii Classic Controller high/low timing is done differently
  • Hard trigger mode bug fix (GC+CC only)
  • New notch calibration feature added for all 3 controller types
  • Controller bit read timings slightly adjusted to fix Hori Mini Pad issues
  • Input display works with the official 4-port GC->USB (Wii U) adapter (and other high poll-rate devices of ~1ms)
  • Minimum controller poll delay reduced to 1ms (from 1.5ms)
  • Input display works with the Mayflash 4-port GC->USB (Wii U/PC) adapter (and other higher poll-rate devices of ~5ms)
  • Bounds-checking is applied to calibrated controller joystick values (so they no longer wrap)
  • The OLED display turns off after a timeout period (default is 10 seconds, but adjustable between 3-30 seconds)
  • Master Quest button mapping fixed (N64 only)
  • F-Zero and Majora's Mask button mapping fix (they were swapped) (N64 only)
  • Ocarina of Time GZ mapping removed for versions with no N64 input (as identical to Ocarina of Time mapping) (GC+CC only)
  • Console response high/low timing adjustments
  • Initial firmware release