I'll point you to the tools, but I won't give you a step by step.
see dolphin's source or wiibrew for the layout of wii discs.
have a backup before modifying anything that you might not be able to recover. find a hex editor that you are comfortable with or maybe there is a tool that will do this for you.
see dolphin's source or wiibrew for the layout of wii discs.
have a backup before modifying anything that you might not be able to recover. find a hex editor that you are comfortable with or maybe there is a tool that will do this for you.