Nintendo N64 Expansion Pack for 64 "zelda games play" Questions

...zelda(IT WORKS)...BUT when i play the game with codes or no codes it stays blank keep (m) on and other codes on. Sometimes when you use codes to get all the items in this game too early bad stuff ...

...Zelda: Majora's Mask all require it for all the feature to be accessable. There may be other games that use it but they do not require it for the most part the rumble pack/expansion pack goes on the ...