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Your topic is archived so I can't post in it but the codes are entered at the vault screen, where you select what is being entered. It's not on the N64 controller, you just press A after moving over the square, X, star, circle, etc. There isn't anything wrong with the codes.
If you always tell the truth, people will stop believing you. YA RLY Lite - http://yarly.thisisgod.net/orly/