Wrong warp Glitch City: Difference between revisions
>Torchickens m (moved Glitch City (Red/Blue/Yellow) to Glitch City (Generation I)) |
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[[File:Glitchcity6.png|frame|right|A Sea Route 20 Glitch City, caused by the [[Safari Zone exit glitch]]]] |
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'''Glitch City''' is a generic term used to describe an area which is read incorrectly in [[bp:Generation I|''Pokémon Red'', ''Blue'', and ''Yellow'']] and as a result displays glitchy graphics. |
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'''Glitch City''' in [[bp:Generation I|Generation I]] (known in Japan rarely as バグった町, ''Bug Town'' or ''Bug City'') is a generic term used to describe an 'area' which is a glitchy mess of tiles. These are technically generated using an existing location on most circumstances. |
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Glitch Cities can be accessed with the [[Safari Zone exit glitch]], either through the 'traditional' method or the poison method (but the poison method does not work in Yellow). A Glitch City can also be accessed with the [[Silph Co. PC glitch]]. |
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== How to Get to Glitch City == |
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'''Step 1:''' |
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A Glitch City can also be accessed when walking down beyond a y-coordinate map boundary by changing the memory address D361. For example, if the y position on Route 1 is set to 37 (hex:25) when it was 35 (hex:23), walking down will eventually cause a Glitch City to appear (ignoring tiles possibly blocking the player without walk through walls). |
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[[Image:Glitchcity1.png]] |
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A player attempting to enter Glitch City must first enter the Safari Zone. |
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'''Step 2:''' |
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[[Image:Glitchcity2.png]] |
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The player must then try to leave. When the man at the desk asks if them want to leave early, they should say no. The player's character will automatically walk back into the Safari Zone. |
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'''Step 3:''' |
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[[Image:Glitchcity3.png]] |
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Once inside, the player must save the game. |
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'''Step 4:''' |
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[[Image:Glitchcity4.png]] |
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The player should then restart their console, and attempt to leave the Safari Zone again. If the trick worked, the man at the desk should say what he normally says when players try to ''enter'' the Safari Zone. The player should, at this point, say no; they should then exit the gatehouse. |
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'''Step 5:''' |
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[[Image:Glitchcity5.png]] |
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The player must then go somewhere else(outside of fuschia city), and walk around for a while. After 500 steps, the PA will sound: "''Ding-dong!''" just as if the player were still in the Safari Zone. The player will then be returned to the Safari Zone building, regardless of where they were before. |
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'''Step 6:''' |
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[[Image:Glitchcity6.png]] |
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When the player exits the gatehouse, they will ''usually'' find themselves in a Glitch City. Which Glitch City you enter depends on where they were when their time ran out. The most well-known Glitch City can be accessed by letting the time run out while Surfing on the eastern coast of Cinnabar Island, where [[MissingNo.]] can usually be found. |
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== Specific Glitch Cities == |
== Specific Glitch Cities == |
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'''Glitch City''' (Go to: |
'''Glitch City''' (Go to: Sea Route 20) |
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Glitch City is fairly navigable compared to other 'regions'. Do not try to cut down any trees or enter any caves - trees regenerate, and caves do not work. Entering the nearest one causes you to get trapped. |
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'''Glitch Mountain''' (Go to: Cycling Road) |
'''Glitch Mountain''' (Go to: Cycling Road) |
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Glitch League is not as easily navigable as Glitch City or Glitch Mountain. You can only move around a very small area, but you can see pieces of statues, water, and all kinds of other stuff. |
Glitch League is not as easily navigable as Glitch City or Glitch Mountain. You can only move around a very small area, but you can see pieces of statues, water, and all kinds of other stuff. |
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===Traits of Safari Zone exit glitch Glitch Cities=== |
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Jumping/Spinning Glitch is easy to do, but you must time it right. After saving and leave the Safari Zone, fly to the Viridian Gym. To spin, simply go inside and ride on the spinning arrows until you get called to go back. After that, you will always spin when you move until the game is reset. To do the [[Jumping glitch]], you have to time it so you get called back while you are jumping over a ledge. |
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Glitch Cities accessed through the Safari Zone exit glitch happen when the game places the player for 'exit point hex:04'. |
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== Explanation == |
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===What causes Glitch City?=== |
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The glitch is the result of a mismatched warp. |
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Invisible objects called "warps" allow the player to move between two locations. Doors, cave entrances, staircases, and ladders do not change the player's location; the invisible warps placed over such items do all the work. A warp can lead to any warp in any map (including, in theory, itself), but it can only lead to another warp. |
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When a player exits the Safari Zone gatehouse using the south entrance, they are passing through a warp. This warp is programmed to take the player to warp $04 (the fifth warp, because warp 0 counts as a valid warp) in the (non-Safari-Zone) map they were previously in. When no glitches occur, that map is invariably Fuchsia City, and warp $04 in Fuchsia City is the door to the Safari Zone gatehouse. |
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All Glitch Cities except for Pokémon Yellow's [[Pokémon Yellow map 254|map 254]] are not actual glitch maps; but rather a temporarily corrupted version of an existing map. |
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However, when a player performs the glitch, they change the map. They aren't in the Safari Zone when the P.A. sounds, so they don't end up in Safari Zone when they leave the gatehouse. When they leave the gatehouse, they are taken to warp $04 of whatever map they were in when the P.A. sounded. |
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This can be proven by viewing the memory address D35E (D35D) in Yellow, and looking up the value [http://bulbapedia.bulbagarden.net/wiki/List_of_locations_by_index_number_(GB) here]. Additionally, when a player checks the Town Map while in a Glitch City, the map says that they are in the source map. |
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The problem is that not all maps ''have'' a warp $04. In particular, Cycling Road only has two <!--does this count warp 0---> , as does the Cinnibar Island Coast <!--probably supposed to mean Sea Route 20--->. So when the player makes the P.A. sound on those maps, and when the player then exits the Safari Zone gatehouse, they trick the game into taking them to a warp that doesn't exist. |
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Also, attributes of the source map are preserved. The Cycling Road Glitch City forces the player to move downward, in the same manner that the Cycling Road itself does. The tileset of the map is the same as the source map. The sizes of the map are preserved as well. |
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As with many other anomalies, the first generation of Pokemon games had no measures in place to prevent things like this from happening. The result is that the part of the game engine responsible for handling maps and warps gets completely tripped up by the error, and fails to produce the proper map. The player ends up in a heavily corrupted version of the map they were in when the P.A. sounded. The Glitch City is a corrupted map, and the map that the player was in when the P.A. sounded is the "source" map. |
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| ⚫ | Wild Pokemon are also preserved; if the source map had wild Pokémon data, then those Pokemon will appear when Surfing in Glitch City. If the Glitch City had a 'left-facing strait tile', it is possible to perform the [[Old Man Trick]] or [[Previous wild Pokémon list glitch]] with it. This is possible with the Sea Route 19 Glitch City, and it means that [[Missingno.]] can be made to appear in a Glitch City. |
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(It should be noted that if the P.A. sounds in a map that ''does'' have a warp $04, then the player will simply be taken to that warp $04. |
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===What is Glitch City?=== |
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So the Cinnabar Island Coast Glitch City, for example, actually ''is'' the Cinnibar Island Coast -- it's just a temporarily corrupted version of it. A number of factors exist to prove this. One of them is the fact that when a player checks the Town Map while in a Glitch City, the Map says that they are in the source map. Also, attributes of the source map are preserved. The Cycling Road Glitch City forces the player to move downward, in the same manner that the Cycling Road itself does. The sizes of the map are preserved as well. |
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====Map links and glitched coordinates==== |
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Map links still exist in Glitch Cities, but going from one map to another will not fix the Glitch City. The player's coordinates on a Glitch City may be glitched. |
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*In ''Pokemon Yellow'', Pikachu's AI is completely glitched, causing it to run around erratically, and lowering its happiness to zero. |
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In Pokémon Red and Blue, Sea Route 20's Glitch City takes the player to coordinates of y=107 (hex:6B) and x=107, while the highest valid coordinates for that route are y=17 (hex:11) and x=99 (hex:63). |
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One of the bigger changes is the usual lack of map links. Map links connect two "adjacent" maps, allowing a player to walk off the edge of one map and onto the edge of another. As an example, Pallet Town and Route 1 are connected with a map link. If that map link didn't exist, then the game would have no idea that the two maps are connected, and walking out of Pallet Town's northern exit would crash the game (because the player would be outside of the map). |
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Basically, this means that initially going west too much counts as taking the player to the east connection hex:64 (Sea Route 19) and going right too much counts as taking the player to the west connection hex:FF (Cinnabar Island), but when a connection happens the player's coordinates are updated like normal (e.g. going to the hex:64 connection makes the player's new x coordinate 00 because this is the minimum x coordinate for Sea Route 19). As FF is a west connection to get to Sea Route 20, going one more step west takes the player back to Sea Route 20, due to the byte 'underflow' from 00 to FF. |
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Such map links are ignored when the game loads most Glitch Cities. If, for example, a player is in the Cinnibar Island Coast Glitch City, and they head west (to where Cinnibar Island ''should'' be), the game will crash, because the map link (which didn't load) was the only thing stopping them from walking outside of the map. |
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== |
== Silph Co. PC glitch Glitch City== |
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In the [[Silph Co. PC glitch]] Glitch City, Silph Co.'s president and secretary do not disappear, and they can be talked to using walk through walls, but warps no longer work. The player can go out of bounds with walk through walls though, and their coordinates and current map are unchanged. |
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Here is a possible alternative method for accessing Glitch City. The method is described [http://forums.glitchcity.info/index.php/topic,3992.0.html on the site forums]. |
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#Catch {{gdex|RB:000|'M}} or any type of MissingNo. and deposit it in the PC. |
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#Beat the Elite Four if you haven't already. |
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#Log onto the PC in the Silph Co. building. |
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#View the glitch Pokemon's stats. |
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#Look at the Hall of Fame. |
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#Get off the PC. You should be in Glitch City. |
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==See also== |
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*[[255 hours glitch]]. |
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[[Category:Glitch regions]] |
[[Category:Glitch regions]] |
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Revision as of 18:41, 7 June 2014
Glitch City in Generation I (known in Japan rarely as バグった町, Bug Town or Bug City) is a generic term used to describe an 'area' which is a glitchy mess of tiles. These are technically generated using an existing location on most circumstances.
Glitch Cities can be accessed with the Safari Zone exit glitch, either through the 'traditional' method or the poison method (but the poison method does not work in Yellow). A Glitch City can also be accessed with the Silph Co. PC glitch.
A Glitch City can also be accessed when walking down beyond a y-coordinate map boundary by changing the memory address D361. For example, if the y position on Route 1 is set to 37 (hex:25) when it was 35 (hex:23), walking down will eventually cause a Glitch City to appear (ignoring tiles possibly blocking the player without walk through walls).
Specific Glitch Cities
Glitch City (Go to: Sea Route 20) Glitch City is fairly navigable compared to other 'regions'. Do not try to cut down any trees or enter any caves - trees regenerate, and caves do not work. Entering the nearest one causes you to get trapped.
Glitch Mountain (Go to: Cycling Road) Glitch Mountain is also fairly navigable. Like in Cycling Road, your character is constantly moving downhill. Because of this, you cannot Surf on any of the blocks of water.
Glitch League (Go to: Indigo Plateau or Route 23) Glitch League is not as easily navigable as Glitch City or Glitch Mountain. You can only move around a very small area, but you can see pieces of statues, water, and all kinds of other stuff.
Traits of Safari Zone exit glitch Glitch Cities
Glitch Cities accessed through the Safari Zone exit glitch happen when the game places the player for 'exit point hex:04'.
All Glitch Cities except for Pokémon Yellow's map 254 are not actual glitch maps; but rather a temporarily corrupted version of an existing map.
This can be proven by viewing the memory address D35E (D35D) in Yellow, and looking up the value here. Additionally, when a player checks the Town Map while in a Glitch City, the map says that they are in the source map.
Also, attributes of the source map are preserved. The Cycling Road Glitch City forces the player to move downward, in the same manner that the Cycling Road itself does. The tileset of the map is the same as the source map. The sizes of the map are preserved as well.
Wild Pokemon are also preserved; if the source map had wild Pokémon data, then those Pokemon will appear when Surfing in Glitch City. If the Glitch City had a 'left-facing strait tile', it is possible to perform the Old Man Trick or Previous wild Pokémon list glitch with it. This is possible with the Sea Route 19 Glitch City, and it means that Missingno. can be made to appear in a Glitch City.
A number of interesting changes are made to the map when it is corrupted. Some of these are relatively obvious, while others are more subtle.
- All terrain in the map is corrupted beyond recognition.
- Warps and objects are ignored and do not appear in Glitch Cities. This is why doors, signs, and cave entrances do nothing when they appear in Glitch Cities, and why people never appear in Glitch Cities.
- Objects are anything on the overworld that takes up space and can be interacted with using the A button. People and cuttable trees are objects. There are also invisible objects that are placed over signposts -- signs, like doors, don't do anything on their own.
Map links and glitched coordinates
Map links still exist in Glitch Cities, but going from one map to another will not fix the Glitch City. The player's coordinates on a Glitch City may be glitched.
In Pokémon Red and Blue, Sea Route 20's Glitch City takes the player to coordinates of y=107 (hex:6B) and x=107, while the highest valid coordinates for that route are y=17 (hex:11) and x=99 (hex:63).
Basically, this means that initially going west too much counts as taking the player to the east connection hex:64 (Sea Route 19) and going right too much counts as taking the player to the west connection hex:FF (Cinnabar Island), but when a connection happens the player's coordinates are updated like normal (e.g. going to the hex:64 connection makes the player's new x coordinate 00 because this is the minimum x coordinate for Sea Route 19). As FF is a west connection to get to Sea Route 20, going one more step west takes the player back to Sea Route 20, due to the byte 'underflow' from 00 to FF.
Silph Co. PC glitch Glitch City
In the Silph Co. PC glitch Glitch City, Silph Co.'s president and secretary do not disappear, and they can be talked to using walk through walls, but warps no longer work. The player can go out of bounds with walk through walls though, and their coordinates and current map are unchanged.
As this Glitch City occurs while in a building, Fly cannot be used to exit it, but the player can escape it using Dig or an Escape Rope. However if you don't have Dig or an Escape Rope you may save and reset the game as the map reverts to normal the next time the save file is loaded.