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View Full Version : Research: Pokémon Yellow Map Headers


miksy91
October 26th, 2010, 12:40 PM
As Pokémon Yellow hasn't really been hacked and PikaMap, which supports it, doesn't have map headers stored anywhere (or the possibilities for editing event data for that matter either), I decided to look for them :)

So unless you don't know what map headers are, you should first read this document (I know, it takes brains to learn that kind of stuff).
Pokémon RBYG Map Headers (http://datacrystal.romhacking.net/wiki/Pokemon_Red/Blue:Notes)


Map Headers

[-----------------------------------------------------------------------------]
[ Pallet Town - Map headers ]
[-----------------------------------------------------------------------------]

[Pallet Town]
$182A1
[Ash's House (Downstairs)]
$480F6
[Ash's House (Upstairs)]
$5C0A4
[Gary's House]
$19C2F
[Oak's Lab]
$1C386

[-----------------------------------------------------------------------------]
[ Viridian City - Map headers ]
[-----------------------------------------------------------------------------]

[Viridian City]
$18357
[Viridian Pokecenter]
$44251
[Viridian Mart]
$1CC6E
[Viridian Gym]
$740D4
[Viridian School]
$1CD6D
[Viridian House]
$1CDC6

[-----------------------------------------------------------------------------]
[ Pewter City - Map headers ]
[-----------------------------------------------------------------------------]

[Pewter City]
$1855A
[Pewter Gym]
$5C257
[Pewter Pokecenter]
$5C46E
[Pewter Mart]
$74010
[Museum (Downstairs)]
$5C0E3
[Museum (Upstairs)]
$5C1B4
[Pewter House (1)]
$1CE30
[Pewter House (2)]
$1CE86

[-----------------------------------------------------------------------------]
[ Cerulean City - Map headers ]
[-----------------------------------------------------------------------------]

[Cerulean City]
$18754
[Cerulean Gym]
$5C577
[Cerulean Pokecenter]
$5C4F5
[Cerulean Mart]
$5C000
[Bike Shop]
$1D038
[Robbed House]
$1CEC3
[Cerulean House]
$1CF34
[Cerulean House (2)]
$74643

[-----------------------------------------------------------------------------]
[ Vermilion City - Map headers ]
[-----------------------------------------------------------------------------]

[Vermilion City]
$1899E
[Vermilion Gym]
$5C910
[Vermilion Pokecenter]
$5C865
[Vermilion Mart]
$5C8CB
[Vermilion Dock]
$1D44E
[Pokefan Club]
$59A00
[Vermilion House (1)]
$1D3F8
[Vermilion House (2)]
$56054
[Vermilion House (3)]
$19D05

[-----------------------------------------------------------------------------]
[ Lavender Town - Map headers ]
[-----------------------------------------------------------------------------]

[Lavender Town]
$44000
[Lavender Pokecenter]
$5C79C
[Lavender Mart]
$5C802
[Pokemon Tower (1)]
$60420
[Pokemon Tower (2)]
$604E7
[Pokemon Tower (3)]
$606AF
[Pokemon Tower (4)]
$607D9
[Pokemon Tower (5)]
$60915
[Pokemon Tower (6)]
$60AD2
[Pokemon Tower (7)]
$60CE8
[Lavender House (1)]
$1D1A4
[Lavender House (2)]
$1D2AA

[-----------------------------------------------------------------------------]
[ Celadon City - Map headers ]
[-----------------------------------------------------------------------------]

[Celadon City]
$18000
[Celadon Gym]
$48915
[Celadon Pokecenter]
$488AF
[Celadon Game Corner]
$48BC8
[Rocket Hideout (1)]
$44C5E
[Rocket Hideout (2)]
$44EBB
[Rocket Hideout (3)]
$452B9
[Rocket Hideout (4)]
$454F1
[Rocket Hideout (Elevator)]
$45958
[Celadon Mart (1)]
$442B7
[Celadon Mart (2)]
$560D9
[Celadon Mart (3)]
$48157
[Celadon Mart (4)]
$48251
[Celadon Mart (5)]
$428D0
[Celadon Mart (6)]
$484FF
[Celadon Mansion (1)]
$48593
[Celadon Mansion (2)]
$4865A
[Celadon Mansion (3)]
$486B0
[Celadon Mansion (4)]
$48861
[Celadon Mansion (5)]
$1D636
[Celadon Restaurant]
$49168
[Celadon Prize Room]
$49107
[Celadon Hotel]
$49243
[Celadon House (1)]
$4907F
[Celadon House (2)]
$491E8

[-----------------------------------------------------------------------------]
[ Fuchsia City - Map headers ]
[-----------------------------------------------------------------------------]

[Fuchsia City]
$18BB3
[Fuchsia Gym]
$74BD9
[Fuchsia Pokecenter]
$7489C
[Fuchsia Mart]
$1D685
[Safari Zone Entrance]
$74A1A
[Fuchsia Meeting Room]
$74E7F
[Fuchsia House (1)]
$74851
[Fuchsia House (2)]
$74902
[Fuchsia House (3)]
$56160

[-----------------------------------------------------------------------------]
[ Saffron City - Map headers ]
[-----------------------------------------------------------------------------]

[Saffron City]
$509AA
[Saffron Gym]
$5CEF7
[Fighting Dojo]
$5CC47
[Saffron Pokecenter]
$5D41F
[Saffron Mart]
$5D2F3
[Silph Co. (1)]
$5D338
[Silph Co. (2)]
$59C80
[Silph Co. (3)]
$59EEA
[Silph Co. (4)]
$19E09
[Silph Co. (5)]
$1A035
[Silph Co. (6)]
$1A2A7
[Silph Co. (7)]
$51B97
[Silph Co. (8)]
$5652A
[Silph Co. (9)]
$5D6BA
[Silph Co. (10)]
$5A0C8
[Silph Co. (11)]
$62105
[Silph Co. (Elevator)]
$45A08
[Copycat's House (1)]
$75746
[Copycat's House (2)]
$5CB5B
[Saffron House (1)]
$1D6DB
[Saffron House (2)]
$1D73A

[-----------------------------------------------------------------------------]
[ Cinnabar Island - Map headers ]
[-----------------------------------------------------------------------------]

[Cinnabar Island]
$1C000
[Cinnabar Gym]
$74EE6
[Cinnabar Pokecenter}
$7569B
[Cinnabar Mart]
$75701
[Cinnabar Lab (1)]
$753FB
[Cinnabar Lab (2)]
$75490
[Cinnabar Lab (3)]
$754F6
[Cinnabar Lab (4)]
$755A0
[Cinnabar Mansion (1)]
$44344
[Cinnabar Mansion (2)]
$51FF5
[Cinnabar Mansion (3)]
$5220B
[Cinnabar Mansion (4)]
$523D6

[-----------------------------------------------------------------------------]
[ Indigo Plateau - Map headers ]
[-----------------------------------------------------------------------------]

[Indigo Plateau]
$50924
[Indigo Plateau Lobby]
$19D45
[Lorelei]
$759EF
[Bruno]
$75B4A
[Agatha]
$75CA1
[Lance]
$5A23D
[Gary]
$757A0
[Hall of Fame Room]
$5A42D

[-----------------------------------------------------------------------------]
[ Caves - Map headers ]
[-----------------------------------------------------------------------------]

[Mt. Moon (1)]
$49953
[Mt. Moon (2)]
$51A78
[Mt. Moon (3)]
$49C7E
[Diglett's Cave]
$61F79
[Diglett's Cave Entrance (Route 2)]
$1D7AE
Diglett's Cave Entrance (Route 11)
$1DEB8
[Rock Tunnel (1)]
$44571
[Rock Tunnel (2)]
$4624E
[Seafoam Islands (1)]
$4487E
[Seafoam Islands (2)]
$46578
[Seafoam Islands (3)]
$466B4
[Seafoam Islands (4)]
$467F0
[Seafoam Islands (5)]
$469FC
[Victory Road (1)]
$5D909
[Victory Road (2)]
$517CC
[Victory Road (3)]
$44A0D
[Unknown Dungeon (1)]
$7453D
[Unknown Dungeon (2)]
$46053
[Unknown Dungeon (3)]
$46141

[-----------------------------------------------------------------------------]
[ Routes - Map headers ]
[-----------------------------------------------------------------------------]

[Route 1]
$1C0C3
[Route 2]
$54000
[Route 3]
$541EE
[Route 4]
$54398
[Route 5]
$54589
[Route 6]
$58000
[Route 7]
$48000
[Route 8]
$5812D
[Route 9]
$5468E
[Route 10]
$582D4
[Route 11]
$584BE
[Route 12]
$5866D
[Route 13]
$54814
[Route 14]
$549A1
[Route 15]
$5892C
[Route 16]
$58ADA
[Route 17]
$54B28
[Route 18]
$58C38
[Route 19]
$54E80
[Route 20]
$500F1
[Route 21]
$5500F
[Route 22]
$50000
[Route 23]
$5033F
[Route 24]
$50682
[Route 25]
$507A1

[-----------------------------------------------------------------------------]
[ Route Buildings - Map headers ]
[-----------------------------------------------------------------------------]

[Route 2 Gate]
$5D4D2
[Route 2 House]
$187EB
[Mt. Moon Pokecenter]
$492A9
[Bill's House]
$1E06E
[Day Care]
$56233
[Route 5 Gate]
$1D831
[Route 5 Underground T. Entrance]
$5D5A8
[Route 6 Gate]
$1D93B
[Route 6 Underground T. Entrance]
$5D5EE
[Route 7 Gate]
$1D9FE
[Route 7 Underground P. Entrance]
$5D62B
[Route 8 Gate]
$1DAC5
[Route 8 Underground P. Entrance]
$1DB87
[Rock Tunnel Pokecenter]
$49330
[Route 11 Gate]
$49396
[Route 11 Gate (Upstairs)]
$493DE
[Route 12 Gate]
$4948F
[Route 12 Gate (Upstairs)]
$494EB
[Route 12 House]
$1DEF6
[Route 15 Gate]
$4958D
[Route 16 Gate]
$495D5
[Route 16 Gate (Upstairs)]
$49649
[Route 16 House]
$49796
[Route 18 Gate]
$564A5
[Route 18 Gate Header]
$49801
[Route 22 Gate]
$1DF81
[Route Gate ?]
$49900

[-----------------------------------------------------------------------------]
[ Other - Map headers ]
[-----------------------------------------------------------------------------]

[Name Rater]
$1D30E
[Power Plant]
$1DBC4
[Viridian Forest]
$610ED
[Viridian Forest (Entrance)]
$5D55A
[Viridian Forest (Exit)]
$5D485
[Underground Path (N/S)]
$61F31
[Underground Path (W/E)]
$61F55
[S.S Anne (1)]
$612A4
[S.S Anne (2)]
$613DE
[S.S Anne (3)]
$449BF
[S.S Anne (4)]
$61650
[S.S Anne (5)]
$616D0
[S.S Anne (6)]
$617D5
[S.S Anne (7)]
$618B7
[S.S Anne (8)]
$61993
[S.S Anne (9)]
$61B68
[S.S Anne (10)]
$61D60
[Safari Zone North]
$45BF3
[Safari Zone West]
$4A35A
[Safari Zone East]
$45AB3
[Safari Zone Center]
$45DFA
[Safari Zone Rest House (1)]
$45F35
[Safari Zone Rest House (2)]
$45F72
[Safari Zone Rest House (3)]
$45FBD
[Safari Zone Rest House (4)]
$46008
[Safari Zone Secret House]
$4A4BC
[Battle Center]
$4FE79
[Trade Center]
$4FEE6
[Surfing Pikachu Minigame House]
$F220E


Thanks to Sawakita for help with this job :)

miksy91
October 28th, 2010, 04:31 AM
Updated the list (won't inform about this that often anymore) !

Gamer2020
October 28th, 2010, 09:19 AM
Not bad, keep it up.
If I was into hacking the older games I would definitely use this.
Is the header format the same as red and blue?

On a side note this damn site should have a like button for those who don't wish to muster up a post -_-

Oh wait we did... It was the rep button...

miksy91
October 28th, 2010, 09:45 AM
Yeah, the header format is the same for every 1st gen game (including Green).

Oh, and thanks for support :)

Ooka
November 1st, 2010, 03:41 AM
Thanks for this, as Gamer said, if I get into hacking that gen I'll make use of this.

miksy91
November 2nd, 2010, 10:00 AM
The list is already complete :D

xconspirisist
August 10th, 2014, 01:35 PM
Hi folks, sorry to bump an old thread but I've been trying to find how collision data is structured in the ROM and I've not found any other thread or webpage that describes this yet. It seems to be at around about 0xC430 - if I write about 64 bytes of 0x1 then I can successfully lock Ash into position when he's in Pallet town, but I'm been unsuccessful in being able to reliably work out what this structure is, any pointers?