xyzzy is a program for the Nintendo Wii which will read a console s OTP key storage and dump out the private encryption keys to screen and to SD card. This is useful information in case your Wii ever gets bricked and you need to re-initialize the firmware.
This Program Cotains Eeprom Read-write functions, 4 Bit LCD interface routines, Keyboard Interface with normal Key Input to the 89C52 atmel Microcontroller.