Majora's Mask

Reverse Bottle Adventure (RBA) is a glitch that was found in Zelda: Ocarina of Time. This glitch involves using a Bottle on the B Button which is only ever intended to have swords on it with some item exceptions in the case of minigames. With the way that bottles were programmed getting one onto the B Button gives the player some control over their inventory. When using a bottle the game has a way of looking up where the data should be written based on which C Button it is on. With a bottle on the B Button the numeric ID of whatever item the player has on the C-Right Button will then be used as to where to write the data. This means by placing different items on C-Right then catching or releasing with the B Button bottle the player can write data wherever they want (to an extent). The player can give themselves songs, equipment upgrades, spiritual stones or medallions, etc. Additionally they could even potentially delete these types of things as well.

This glitch still exists in Zelda: Majora's Mask. However due to changes with the different forms of Link the glitch was significally reduced in what it can do. The offsets at which data can be written became hardcoded as either 0 or 255. 0 corresponds to the Ocarina of Time item slot while the 255 are some scene flags. So this begs the question "What could be done with RBA in Majora's Mask if it still worked the same as Ocarina of Time?". Well that is exactly what this ROM Hack is designed around.

Since Majora's Mask focuses a lot around the 4 different forms of Link and they each play a key role in the game I decided to incorperate this into the challenge. Depending on which form of Link the player currently is will then adjust the offset for where the data will be written. Each form of Link adds a multiple of 8 onto the offset.