Note: This procedure involves editing a game file; create a backup copy of the file before proceeding. Use a hex editor to edit the "persist.dat" file in the game folder. Go to hexadecimal offset . Change the or value at that location to . Save the file and start the game. Press [F1] to display the diary screen, then enter one of the following codes to activate the corresponding cheat function. Repeat code entry to disable the code.