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Brock through walls: Difference between revisions
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'''Brock Through Walls''' ('''path manipulation walk through walls''') is a [[walk through walls]] glitch in {{RGBY}}. It is popular in speedruns of Pokémon Red and Blue. It is possible to perform this glitch very early in the games (except in {{Y}}, as the Youngster cannot be skipped in this version).
There are
The developers never programmed an alternate path for the player character to follow when the player is to the right of the Youngster. When talking to him, the game looks for the player's coordinates but
▲There are many ways to set up this glitch, but it is ultimately triggered by talking to the Pewter City Youngster from the right instead of the left, which was not intended to be possible.
▲The developers never programmed an alternate path for the player to follow when the player is to the right of the Youngster. When talking to him, the game looks for the player's coordinates but often never finds them, usually resulting in a softlock.
However, the player can manipulate certain values in the RAM to spell out the player's coordinates, (0x10, 0x24). The coordinates need to appear at address xxx2, xxx6, xxxA, or xxxE to "align" with the lookup table. When this happens, the game will use the next two bytes as a path pointer. (Otherwise, the aforementioned softlock occurs.)
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The player can also skip Pewter Gym through another means such as a wrong warp by manipulating item 36's quantity (exit destination) in the [[expanded items pack]]. It is not easy to get an expanded items pack before defeating Brock, but it is possible. Some possible methods would include:
*Using the [[Cable Club escape glitch]] to encounter a [[
*Trading a Pokémon with [[- (move)|"-" as the first move]] from Red/Blue to Yellow, and use "-" corruption to corrupt the enemy Pokémon into a
*The [[SRAM glitch]]
After using
A third possibility is to first defeat Brock, and later use another glitch to set the "defeated Brock" event flag back to 0.
===Setting up "0x10 0x24" in RAM===
====International {{RB}}====
Have a Pokémon meeting the following requirements:
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*It must be the '''last''' Pokémon in your party.
*It must know exactly three moves. Additionally:
**The second move's current PP must be exactly 16.
**The third move's current PP must be exactly 36.
Once this is done, viewing the Pokémon party screen (
A popular choice for this Pokémon is the starter Bulbasaur, which starts with Tackle (35 PP) and Growl (40 PP), and learns Leech Seed at level 7
{{researchneeded|Why the "no Rattata mini-sprite" requirement?}}
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==Procedure==
Once the player stands on the tile right from the Youngster and
#Talk to the Youngster, and close his dialog box with B.
#You will walk automatically and the menu should keep popping up. Hold B when the menu is closed to walk around in any direction.
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===Steps===
1. Perform a [[death-warp]]
2. Use the [[experience underflow glitch]] to raise it to
3. Enter the top-right house in Pewter City (pictured, below):
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4. Perform the [[Pewter Gym skip glitch]]
5. Perform Brock Through Walls
6. Follow the directions below as such:
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