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ItemDex/RB:000: Difference between revisions
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Remove terminator and pokedollar symbol
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([[ItemDex|↑ Back to the ItemDex index]].)
{{ItemInfoGenI
|1=#j.#<br>[[File:RB item 00 inventory.png]]
|2=00
|3=000
|4=00:01d1 (ROM 0)
|5=No
|6=Undefined
|7=829850
|8=414925
|9=$17, $a9, $5f, $22, $50}}
'''[[File:
▲[[File:N_Item_RB_000.png|link=]] (#j.) is a [[glitch item]] in {{RB}} with an [[index number]] of hex:00 (0 in decimal).
Using [[File:
▲Using [[File:N_Item_RB_000.png|link=]] will freeze the game both from inside and outside of battle. [[File:N_Item_RB_000.png|link=]] is a useful item glitch item to sell and obtain a lot of Pokédollars.
It is a common item in the [[expanded item pack]].
The inventory can also be filled with this glitch item with the [[j. (0x00) inventory filling map script glitch]].
==Advanced use==
More accurately, this glitch item runs in the middle of two byte map header pointers (these begin at $01AE) at $01D1; misaligned in between Route 6 and Route 7's header pointer (executed as instructions; not followed). When the code is in between Route 10 and Route 11's header pointers, it represents call nc, $BE42. The carry flag is not set; hence $BE42 is executed.
SRAM may be locked resulting in the typical "[[game freeze|rst 38 freeze]]", but can be avoided if the player views the summary of a Pokémon from the party just before using the item, allowing for arbitrary code execution at 00:BE42. Using a pop hl at the end of the code, the stack can be manipulated to safely ret.
While theoretically possible, methods to write to 00:BE42 and use [[File:RBItem00.png|link=]] with the corrupted values have not been published yet.
{{clr}}
[[Category:Glitch items]]
[[Category:Pokémon Red and Blue glitch items]]
[[Category:ItemDex]]
[[Category:Arbitrary code execution glitch items]]
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