Using my code the blue coins in Big Boo's Haunt are swapped with the small key which when collected are displayed at the right of the screen, explainig what the display was used for.

For the code please go to my site at:

http://sites.google.com/site/jamesskingdom/Home/game-codes-by-james-s/super-mario-64-codes

Thanks for viewing and please have a look at my other videos.