Dolphin supports Gecko codes natively:
The Wii version of RE4 has unique features: save data resident evil 4 wii dolphin emulator
By default (if using – no, wait – Wii uses NAND or SD Card emulation, but actually… correction): Dolphin supports Gecko codes natively: The Wii version
But what happens when you lose a 20-hour save file? What if you want to transfer your New Game+ run from a real Wii console to your PC? Or perhaps you simply want to skip the village fight for the tenth time? save data resident evil 4 wii dolphin emulator