Pokémon Red and Blue/Secrets: Difference between revisions

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The area in the game's memory (RAM) holding the possible Pokémon you can currently encounter is also used as a buffer to hold other data during cutscenes. For example, the cutscene from the old guy in [[../Viridian City/]] who taught you how to use Poké Balls copies your name to this buffer. Since neither [[../Cinnabar Island/]] or [[../Seafoam Island/]] overwrites this area with wild Pokémon information, the cutscene data is read as Pokémon numbers (e.g. hex value 15 = Mew) and not all values are valid. The game already had debugging code from Pokémon Green/Red/Blue to cause all invalid Pokémon to be "Missing No.", which was not meant to be used and is thus glitchy in the remakes of Red/Blue. The seemingly random effects of "Missing No." are due to the debugging code reading/writing memory that it thinks are certain things (e.g. its own moves) but are actually something else (e.g. virtually anything else) because the memory structure is slightly changed.
The area in the game's memory (RAM) holding the possible Pokémon you can currently encounter is also used as a buffer to hold other data during cutscenes. For example, the cutscene from the old guy in [[../Viridian City/]] who taught you how to use Poké Balls copies your name to this buffer. Since neither [[../Cinnabar Island/]] or [[../Seafoam Island/]] overwrites this area with wild Pokémon information, the cutscene data is read as Pokémon numbers (e.g. hex value 15 = Mew) and not all values are valid. The game already had debugging code from Pokémon Green/Red/Blue to cause all invalid Pokémon to be "Missing No.", which was not meant to be used and is thus glitchy in the remakes of Red/Blue. The seemingly random effects of "Missing No." are due to the debugging code reading/writing memory that it thinks are certain things (e.g. its own moves) but are actually something else (e.g. virtually anything else) because the memory structure is slightly changed.


== Obtain Mr. Mime without trading (using Trainer Escape glitch)==
== Obtain Mr. Mime without trading (Trainer Escape glitch)==
See here for the Trainer Escape glitch: http://puu.sh/257S
Be sure to save your game before attempting this glitch and only save again after you've caught your target Pokémon.


Of the many different beneficial uses of the Trainer Escape glitch (often called the Mew glitch for it's use in obtaining Mew), you can obviously also obtain Pokémon otherwise only obtainable from Trading. This includes Mr. Mime. One of the trainers you can battle that would result in a Mr. Mime appearing is the second trainer (first one on the left from the bottom up) in the Fighting Dojo. His second Pokémon he sends out has a Special stat that results in a Mr. Mime appearing if you follow the Trainer Escape glitch (seen here: https://glitchcity.info/wiki/Trainer_escape_glitch). There's many ways to easily accomplish this, but if you've already defeated many of the trainers in the early part of the game before the Fighting Dojo, view the map in the above link (here: http://puu.sh/257S) for any trainers outlined in an orange box (those are ones who you can fly/escape from in the Trainer Escape glitch) that you have not yet beaten. Seek out one of those trainers, SAVE YOUR GAME before attempting the glitch, and then do not save again until after you're satisfied you have accomplished your goal. Note you do not have to beat the second Dojo trainer, you merely have to see his second Pokémon appear in battle. You can either defeat him or lose the battle at that point. Losing preserves the battle to allow you to repeat the process.
Of the many different beneficial uses of the Trainer Escape glitch<ref>https://glitchcity.wiki/wiki/Trainer_escape_glitch</ref> (often called the Mew glitch for its use in obtaining Mew), you can also obtain Pokémon otherwise only obtainable from Trading. This includes Mr. Mime. One of the trainers you can battle that would result in a Mr. Mime appearing is the second trainer in the Fighting Dojo (first one on the left from the bottom up). His second Pokémon he sends out has a Special stat that results in a Mr. Mime appearing if you follow the glitch. There's many ways to easily accomplish this, but if you've already defeated many of the trainers in the early part of the game before the Fighting Dojo, view the map<ref>http://puu.sh/257S</ref> for any trainers outlined in an orange box (those are ones who you can fly/escape from) that you have not yet beaten. Seek out one of those trainers. You do not have to beat the second Dojo trainer, you merely have to see his second Pokémon appear in battle. You can either defeat him or lose the battle at that point. Losing preserves the battle to allow you to repeat the process.


==Weird glitches and other silly tricks==
==Weird glitches and other silly tricks==