Old man glitch: Difference between revisions

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==Mechanics==
==Mechanics==
The sixth item in the bag is duplicated. Due to the value of the [[Rare Candy]], it is often a target. The quantity of this item will be reset to 128. After using all duplicated items and then repeating the glitch, an infinite amount of items can be obtained.
===Results===
The sixth item in the bag is duplicated. Due to the value of the [[Rare Candy]], it is often a target. The quantity of this item will be reset to 128 or 255. After using all duplicated items and then repeating the glitch, an infinite amount of items can be obtained.


Rare Candies are by no means the only item that can be duplicated. Any item that can be stored in the bag may be cloned. Other common targets are [[Master Ball]]s, [[Poké Doll]]s, and [[valuable item]]s: Master Balls allow capture of any Pokémon, Poké Dolls allow easy escape from the high level Pokémon encountered while performing the glitch, and valuable items can be sold for [[Pokémon Dollar|money]]. [[Key item]]s can be duplicated, but rarely used up and removed from the bag.
Rare Candies are by no means the only item that can be duplicated. Any item that can be stored in the bag may be cloned. Other common targets are [[Master Ball]]s, [[Poké Doll]]s, and [[valuable item]]s: Master Balls allow capture of any Pokémon, Poké Dolls allow easy escape from the high level Pokémon encountered while performing the glitch, and valuable items can be sold for [[Pokémon Dollar|money]]. [[Key item]]s can be duplicated, but rarely used up and removed from the bag.
===Cause===
Every Pokémon has a "[[Pokémon data structure in Generation I|Pokédex byte]]" that tells the game whether it has been seen or caught. A value of 0 means the Pokémon hasn't been seen or caught, 128 means it's been seen, and 255 means it's been caught.
Missingno.'s [[Pokédex]] byte is in the same location as the byte that stores how many of the 6th item is in the bag, as well as [['M]]'s. This is why, when Missingno. or 'M is encountered, the sixth item slot is set to 128 (or 255 if it is captured). The glitchy box symbol is a result of the game attempting to display a number greater than 99, which causes it to grab sprites from beyond the number sprites. Sometimes it can appear to be a blank tile, but if one goes somewhere else or out of battle it will revert back to an unusual tile.
A way to tell whether " 9" is in fact 9 or [blank tile]9 is to select Toss. The quantity is displayed with a leading zero if the amount is actually 9, and as simply " 9" if not.


==Performing the glitch==
==Performing the glitch==
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After the battle, open the menu and view the items currently in the bag. If done correctly, the game should show "?8" or "?5" as the amount of Rare Candies in the bag (? being a glitch character).
After the battle, open the menu and view the items currently in the bag. If done correctly, the game should show "?8" or "?5" as the amount of Rare Candies in the bag (? being a glitch character).


===Cause of the glitch===
Every Pokémon has a "Pokédex byte" that tells the game whether it has been seen or caught. A value of 0 means the Pokémon hasn't been seen or caught, 128 means it's been seen, and 255 means it's been caught.
Missingno.'s [[Pokédex]] byte is in the same location as the byte that stores how many of the 6th item is in the bag, as well as [['M]]'s. This is why, when Missingno. or 'M is encountered, the sixth item slot is set to 128 (or 255 if it is captured). The glitchy box symbol is a result of the game attempting to display a number greater than 99, which causes it to grab sprites from beyond the number sprites. Sometimes it can appear to be a blank tile, but if one goes somewhere else or out of battle it will revert back to an unusual tile.
A way to tell whether " 9" is in fact 9 or [blank tile]9 is to select Toss. The quantity is displayed with a leading zero if the amount is actually 9, and as simply " 9" if not.
{{Glitches}}
{{Glitches}}


{{Project Glitchdex notice|no}}
{{Project Glitchdex notice|no}}
[[Category:Glitches]]
[[Category:Glitches]]