Old man glitch: Difference between revisions

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The '''Old man glitch''' (not to be confused with the [[Item duplication glitch]]) is an infamous [[glitch]] in {{game|Red and Blue|s}}. It is one of the ways in which a Trainer can encounter [[Missingno.]] and [['M]]. Its name comes from the {{ka|old man}} in [[Viridian City]], whom is required to complete the glitch.
==Chart==
Only characters possible to include in the player's name are included.<ref>http://www.trsrockin.com/missingno4.html MissingNo Mystery Solved? (retrieved February 18, 2010)</ref><ref>http://glitchcity.info/biglist.htm Glitch City Laboratories</ref>


Through the development of {{game|Yellow}}, which occurred in the two years following the release of {{game|Red and Green|s}} in Japan, the Old man glitch was disabled by blanking the data for wild Pokémon before overwriting it, and reprogramming shore tiles to not call any wild Pokémon. However, even before Yellow, this glitch was fixed in some European versions of Red and Blue, such as the Spanish and Italian versions, by making the shore tiles act as water tiles, but still remains in other European versions, such as the German version.
{| {| align="center" style="background: #{{unknown color light}}; -moz-border-radius: 1em; border: 5px solid #{{unknown color}};"
 
|-
==Performing the glitch==
|
Talk to the Old man located north of [[Viridian City]]. Allow him to demonstrate how to catch a Pokémon. Once he is finished, immediately use {{m|Fly}} to travel to [[Cinnabar Island]] and then walk up to the east coast. Surf up and down along the east coast of the island where the water is touching the land. Do not to leave the coast. Wild Pokémon appear, based on the player's name.
{| border=1 width="100%" align="center" class="sortable" style="background: #FFFFFF; border:1px solid #{{unknown color light}}; border-collapse:collapse;"
 
==Chart<ref>http://www.trsrockin.com/missingno4.html MissingNo Mystery Solved? (retrieved February 18, 2010)</ref><ref>http://glitchcity.info/biglist.htm Glitch City Laboratories</ref>==
Only characters possible to include in the player's name are included.
{| {{bluetable2}} style="margin: auto;"
|-
|-
! Character
! Character
! MS
! Pokémon
! Pokémon
! Level
! Level
|-
|-
|''(end of name marker)''
|''(end of name marker)''
|<center>[[File:000.gif]]</center>
|[[Missingno.]]
|[[Missingno.]]
|80
|80
|-
|-
|…
|…
|{{MS|057|Primeape (Pokémon)}}
|{{p|Primeape}}
|{{p|Primeape}}
|117
|117
|-
|-
|''(space)''
|''(space)''
|{{MS|128|Pinsir (Pokémon)}}
|{{p|Pinsir}}
|{{p|Pinsir}}
|127
|127
Line 28: Line 29:
|-
|-
|A
|A
|{{MS|055|Golduck (Pokémon)}}
|{{p|Golduck}}
|{{p|Golduck}}
|128
|128
|-
|-
|B
|B
|{{MS|097|Hypno (Pokémon)}}
|{{p|Hypno}}
|{{p|Hypno}}
|129
|129
|-
|-
|C
|C
|{{MS|042|Golbat (Pokémon)}}
|{{p|Golbat}}
|{{p|Golbat}}
|130
|130
|-
|-
|D
|D
|{{MS|150|Mewtwo (Pokémon)}}
|{{p|Mewtwo}}
|{{p|Mewtwo}}
|131
|131
|-
|-
|E
|E
|{{MS|143|Snorlax (Pokémon)}}
|{{p|Snorlax}}
|{{p|Snorlax}}
|132
|132
|-
|-
|F
|F
|{{MS|129|Magikarp (Pokémon)}}
|{{p|Magikarp}}
|{{p|Magikarp}}
|133
|133
|-
|-
|G
|G
|<center>[[File:000.gif]]</center>
|[[Missingno.]]
|[[Missingno.]]
|134
|134
|-
|-
|H
|H
|<center>[[File:000.gif]]</center>
|[[Missingno.]]
|[[Missingno.]]
|135
|135
|-
|-
|I
|I
|{{MS|089|Muk (Pokémon)}}
|{{p|Muk}}
|{{p|Muk}}
|136
|136
|-
|-
|J
|J
|{{p|Missingno.}}
|<center>[[File:000.gif]]</center>
|[[Missingno.]]
|137
|137
|-
|-
|K
|K
|{{MS|099|Kingler (Pokémon)}}
|{{p|Kingler}}
|{{p|Kingler}}
|138
|138
|-
|-
|L
|L
|{{MS|091|Cloyster (Pokémon)}}
|{{p|Cloyster}}
|{{p|Cloyster}}
|139
|139
|-
|-
|M
|M
|<center>[[File:000.gif]]</center>
|[[Missingno.]]
|[[Missingno.]]
|140
|140
|-
|-
|N
|N
|{{MS|101|Electrode (Pokémon)}}
|{{p|Electrode}}
|{{p|Electrode}}
|141
|141
|-
|-
|O
|O
|{{MS|036|Clefable (Pokémon)}}
|{{p|Clefable}}
|{{p|Clefable}}
|142
|142
|-
|-
|P
|P
|{{MS|110|Weezing (Pokémon)}}
|{{p|Weezing}}
|{{p|Weezing}}
|143
|143
|-
|-
|Q
|Q
|{{MS|053|Persian (Pokémon)}}
|{{p|Persian}}
|{{p|Persian}}
|144
|144
|-
|-
|R
|R
|{{MS|105|Marowak (Pokémon)}}
|{{p|Marowak}}
|{{p|Marowak}}
|145
|145
|-
|-
|S
|S
|<center>[[File:000.gif]]</center>
|[[Missingno.]]
|[[Missingno.]]
|146
|146
|-
|-
|T
|T
|{{MS|093|Haunter (Pokémon)}}
|{{p|Haunter}}
|{{p|Haunter}}
|147
|147
|-
|-
|U
|U
|{{MS|063|Abra (Pokémon)}}
|{{p|Abra}}
|{{p|Abra}}
|148
|148
|-
|-
|V
|V
|{{MS|065|Alakazam (Pokémon)}}
|{{p|Alakazam}}
|{{p|Alakazam}}
|149
|149
|-
|-
|W
|W
|{{MS|017|Pidgeotto (Pokémon)}}
|{{p|Pidgeotto}}
|{{p|Pidgeotto}}
|150
|150
|-
|-
|X
|X
|{{MS|018|Pidgeot (Pokémon)}}
|{{p|Pidgeot}}
|{{p|Pidgeot}}
|151
|151
|-
|-
|Y
|Y
|{{MS|121|Starmie (Pokémon)}}
|{{p|Starmie}}
|{{p|Starmie}}
|152
|152
|-
|-
|Z
|Z
|{{MS|001|Bulbasaur (Pokémon)}}
|{{p|Bulbasaur}}
|{{p|Bulbasaur}}
|153
|153
Line 133: Line 160:
|-
|-
|(
|(
|{{MS|003|Venusaur (Pokémon)}}
|{{p|Venusaur}}
|{{p|Venusaur}}
|154
|154
|-
|-
|)
|)
|{{MS|073|Tentacruel (Pokémon)}}
|{{p|Tentacruel}}
|{{p|Tentacruel}}
|155
|155
|-
|-
|:
|:
|[[MissingNo.]]
|<center>[[File:000.gif]]</center>
|[[Missingno.]]
|156
|156
|-
|-
|;
|;
|{{MS|118|Goldeen (Pokémon)}}
|{{p|Goldeen }}
|{{p|Goldeen }}
|157
|157
|-
|-
|[
|[
|{{MS|119|Seaking (Pokémon)}}
|{{p|Seaking}}
|{{p|Seaking}}
|158
|158
|-
|-
|]
|]
|<center>[[File:000.gif]]</center>
|[[Missingno.]]
|[[Missingno.]]
|159
|159
|-
|-
|a
|a
|<center>[[File:000.gif]]</center>
|[[Missingno.]]
|[[Missingno.]]
|160
|160
|-
|-
|b
|b
|<center>[[File:000.gif]]</center>
|[[Missingno.]]
|[[Missingno.]]
|161
|161
|-
|-
|c
|c
|<center>[[File:000.gif]]</center>
|[[Missingno.]]
|[[Missingno.]]
|162
|162
|-
|-
|d
|d
|{{MS|077|Ponyta (Pokémon)}}
|{{p|Ponyta}}
|{{p|Ponyta}}
|163
|163
|-
|-
|e
|e
|{{MS|078|Rapidash (Pokémon)}}
|{{p|Rapidash}}
|{{p|Rapidash}}
|164
|164
|-
|-
|f
|f
|{{MS|019|Rattata (Pokémon)}}
|{{p|Rattata}}
|{{p|Rattata}}
|165
|165
|-
|-
|g
|g
|{{MS|020|Raticate (Pokémon)}}
|{{p|Raticate}}
|{{p|Raticate}}
|166
|166
|-
|-
|h
|h
|{{MS|033|Nidorino (Pokémon)}}
|{{p|Nidorino}}
|{{p|Nidorino}}
|167
|167
|-
|-
|i
|i
|{{MS|030|Nidorina (Pokémon)}}
|{{p|Nidorina}}
|{{p|Nidorina}}
|168
|168
|-
|-
|j
|j
|{{MS|074|Geodude (Pokémon)}}
|{{p|Geodude}}
|{{p|Geodude}}
|169
|169
|-
|-
|k
|k
|{{MS|137|Porygon (Pokémon)}}
|{{p|Porygon}}
|{{p|Porygon}}
|170
|170
|-
|-
|l
|l
|{{MS|142|Aerodactyl (Pokémon)}}
|{{p|Aerodactyl}}
|{{p|Aerodactyl}}
|171
|171
|-
|-
|m
|m
|<center>[[File:000.gif]]</center>
|[[Missingno.]]
|[[Missingno.]]
|172
|172
|-
|-
|n
|n
|{{MS|081|Magnemite (Pokémon)}}
|{{p|Magnemite}}
|{{p|Magnemite}}
|173
|173
|-
|-
|o
|o
|<center>[[File:000.gif]]</center>
|[[Missingno.]]
|[[Missingno.]]
|174
|174
|-
|-
|p
|p
|<center>[[File:000.gif]]</center>
|[[Missingno.]]
|[[Missingno.]]
|175
|175
|-
|-
|q
|q
|{{MS|004|Charmander (Pokémon)}}
|{{p|Charmander}}
|{{p|Charmander}}
|176
|176
|-
|-
|r
|r
|{{MS|007|Squirtle (Pokémon)}}
|{{p|Squirtle}}
|{{p|Squirtle}}
|177
|177
|-
|-
|s
|s
|{{MS|005|Charmeleon (Pokémon)}}
|{{p|Charmeleon}}
|{{p|Charmeleon}}
|178
|178
|-
|-
|t
|t
|{{MS|008|Wartortle (Pokémon)}}
|{{p|Wartortle}}
|{{p|Wartortle}}
|179
|179
|-
|-
|u
|u
|{{MS|006|Charizard (Pokémon)}}
|{{p|Charizard}}
|{{p|Charizard}}
|180
|180
|-
|-
|v
|v
|<center>[[File:000.gif]]</center>
|[[Missingno.]]
|[[Missingno.]]
|181
|181
|-
|-
|w
|w
|<center>[[File:000.gif]]</center>
|[[Missingno.#Kabutops fossil form|Missingno. (Kabutops fossil form)]]
|[[Missingno.#Kabutops fossil form|Missingno. (Kabutops fossil form)]]
|182
|182
|-
|-
|x
|x
|<center>[[File:000.gif]]</center>
|[[Missingno.#Aerodactyl fossil form|Missingno. (Aerodactyl fossil form)]]
|[[Missingno.#Aerodactyl fossil form|Missingno. (Aerodactyl fossil form)]]
|183
|183
|-
|-
|y
|y
|<center>[[File:000.gif]]</center>
|[[Missingno.#Ghost form|Missingno. (Ghost form)]]
|[[Missingno.#Ghost form|Missingno. (Ghost form)]]
|184
|184
|-
|-
|z
|z
|{{MS|043|Oddish (Pokémon)}}
|{{p|Oddish}}
|{{p|Oddish}}
|185
|185
|-
|-
|'
|'
|
|{{tc|Black Belt}}
|{{tc|Black Belt}}
|224
|224
|-
|-
|<sup>P</sup><sub>K</sub>
|<sup>P</sup><sub>K</sub>
|{{OBP|Blue|game}}
|
|{{ga|Blue}}
|225
|225
|-
|-
|<sup>M</sup><sub>N</sub>
|<sup>M</sup><sub>N</sub>
|
|[[Pokémon Prof.]]
|[[Pokémon Prof.]]
|226
|226
|-
|-
|<nowiki>–</nowiki>
|<nowiki>–</nowiki>
|
|[[Chief]]
|[[Chief]]
|227
|227
|-
|-
|♂
|♂
|
|[[Blaine]]
|[[Blaine]]
|239
|239
|-
|-
|.
|.
|{{OBP|Blue|game}}
|
|{{ga|Blue}}
|242
|242
|-
|-
|<nowiki>/</nowiki>
|<nowiki>/</nowiki>
|{{OBP|Blue|game}}
|
|{{ga|Blue}}
|243
|243
|-
|-
|,
|,
|
|[[Lorelei]]
|[[Lorelei]]
|244
|244
|-
|-
|♀
|♀
|
|[[Channeler]]
|[[Channeler]]
|245
|245
|-
|-
|0
|0
|
|[[Agatha]]
|[[Agatha]]
|246
|246
|-
|-
|1
|1
|
|[[Lance]]
|[[Lance]]
|247
|247
|-
|-
|2
|2
|
|<!--help-->
|<!--help-->
|248
|248
|-
|-
|3
|3
|
|<!--help-->
|<!--help-->
|249
|249
|-
|-
|4
|4
|
|<!--help-->
|<!--help-->
|250
|250
|-
|-
|5
|5
|
|<!--help-->
|<!--help-->
|251
|251
|-
|-
|6
|6
|
|<!--help-->
|<!--help-->
|252
|252
|-
|-
|7
|7
|
|<!--help-->
|<!--help-->
|253
|253
|-
|-
|8
|8
|
|<!--help-->
|<!--help-->
|254
|254
|-
|-
|9
|9
|
|<!--help-->
|<!--help-->
|255
|255
|}
|}
==Cause==
The 1-square-wide strip of water on the right side of Cinnabar and Seafoam Islands was programmed to be a place where wild Pokémon can appear, but Gamefreak did not define what Pokémon can appear there. When the {{ka|Old man}} demonstrates catching the {{p|Weedle}}, "Your Name" is changed to "Old Man". To do this, it overwrites the variables the player gave to "Your Name". Therefore, the game must store the variables that make up your name in another place, so it can recall them later. The game stores your name in the slots that define which wild Pokémon appear. Usually, whenever the player enters a new area, the slots will be rewritten. However, if there are no wild Pokémon in the new area entered, the slots are not rewritten. So if the player flies to [[Cinnabar Island]], where there are no wild Pokémon, then the data is not rewritten. Because the coast contains the code to enable wild Pokémon to appear, the game encounters a Pokémon by misreading the players name as wild Pokémon data. The odd characters are read as levels and the even characters are read as wild Pokémon. It can read up to 7 characters. The Pokémon 'M appears with any name as it reads the byte before the players name, which is always zero. The first byte is the level of [['M]]. The second byte is the next wild Pokémon, then the next its level, etc.
==References==
<references/>
{{Glitches}}
{{Project Glitchdex notice|no}}
[[Category:Glitches]]
[[fr:Bug de la rive droite de Cramois'île]]

Revision as of 13:45, 18 May 2010

Chart

Only characters possible to include in the player's name are included.[1][2]

Character MS Pokémon Level
(end of name marker)
File:000.gif
 Missingno. 80
… 057 Primeape 117
(space) 128 Pinsir 127
A 055 Golduck 128
B 097 Hypno 129
C 042 Golbat 130
D 150 Mewtwo 131
E 143 Snorlax 132
F 129 Magikarp 133
G
File:000.gif
 Missingno. 134
H
File:000.gif
 Missingno. 135
I 089 Muk 136
J
File:000.gif
 Missingno. 137
K 099 Kingler 138
L 091 Cloyster 139
M
File:000.gif
 Missingno. 140
N 101 Electrode 141
O 036 Clefable 142
P 110 Weezing 143
Q 053 Persian 144
R 105 Marowak 145
S
File:000.gif
 Missingno. 146
T 093 Haunter 147
U 063 Abra 148
V 065 Alakazam 149
W 017 Pidgeotto 150
X 018 Pidgeot 151
Y 121 Starmie 152
Z 001 Bulbasaur 153
( 003 Venusaur 154
) 073 Tentacruel 155
:
File:000.gif
 Missingno. 156
; 118 Goldeen 157
[ 119 Seaking 158
]
File:000.gif
 Missingno. 159
a
File:000.gif
 Missingno. 160
b
File:000.gif
 Missingno. 161
c
File:000.gif
 Missingno. 162
d 077 Ponyta 163
e 078 Rapidash 164
f 019 Rattata 165
g 020 Raticate 166
h 033 Nidorino 167
i 030 Nidorina 168
j 074 Geodude 169
k 137 Porygon 170
l 142 Aerodactyl 171
m
File:000.gif
 Missingno. 172
n 081 Magnemite 173
o
File:000.gif
 Missingno. 174
p
File:000.gif
 Missingno. 175
q 004 Charmander 176
r 007 Squirtle 177
s 005 Charmeleon 178
t 008 Wartortle 179
u 006 Charizard 180
v
File:000.gif
 Missingno. 181
w
File:000.gif
 Missingno. (Kabutops fossil form) 182
x
File:000.gif
 Missingno. (Aerodactyl fossil form) 183
y
File:000.gif
 Missingno. (Ghost form) 184
z 043 Oddish 185
' Black Belt 224
PK Blue 225
MN Pokémon Prof. 226
– Chief 227
♂ Blaine 239
. Blue 242
/ Blue 243
, Lorelei 244
♀ Channeler 245
0 Agatha 246
1 Lance 247
2 248
3 249
4 250
5 251
6 252
7 253
8 254
9 255
  1. ↑ http://www.trsrockin.com/missingno4.html MissingNo Mystery Solved? (retrieved February 18, 2010)
  2. ↑ http://glitchcity.info/biglist.htm Glitch City Laboratories
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