Pokemon Stadium hacking?

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Main - ROM Hacking - Pokemon Stadium hacking?

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Redstar

Posted on 07-16-09 03:14 AM

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So what's the status on anything looking into this game or its sequel?

Sintendo

Posted on 07-16-09 11:27 AM (rev. 2 of 07-16-09 04:50 PM)

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Wow, someone interested in Pokémon Stadium hacking! I wasn't planning on posting this yet, but since you're interested and I'm leaving for two weeks with no internet, I might as well do it now.

I picked up hacking Pokémon Stadium 2 some time ago, mainly to write some sort of editing application for the game in C to learn the language. So far, I have managed to edit the Rental Pokémon the game offers. I have also looked into editing the rules for the many different cups, but that's something that I still have to make notes of.

Little Cup Rental Pokémon - 0x017086F0 (ROM)
Little Cup Rules          - 0x000A0084 (ROM)

05010000
4B0F4F2D
00800000
00000000
00000000
FFFF0000

AABBCC??
11223344
????aaaa
bbbbcccc
ddddeeee
OPQR????

A=Level            (1 byte)
B=Species          (1 byte)
C=Item             (1 byte) *Useless for rental
1=Move 1           (1 byte)
2=Move 2           (1 byte)
3=Move 3           (1 byte)
4=Move 4           (1 byte)
a=StatExp. HP      (2 bytes)
b=StatExp. Attack  (2 bytes)
c=StatExp. Defense (2 bytes)
d=StatExp. Speed   (2 bytes)
e=StatExp. Special (2 bytes)
O=Attack DV        (4 bits)
P=Defense DV       (4 bits)
Q=Speed DV         (4 bits)
R=Special DV       (4 bits)

Little Cup                 - 0x1708494
Prime Cup                  - 0x1708CB4
Prime Cup (Mew + Celebi)   - 0x170A3D4
Gym Leader Castle/Poké Cup - 0x170BB24

------------------------------------------------

Rules

0x000A0084

Yes, it's a bit messy, but it should be clear. I have no idea what the remaining bytes do, the 2 last ones probably do nothing.

As for the application, you can download a very early version here: http://rapidshare.com/files/256396094/pkmnstd2edit.rar

It sucks, but hey. It's probably buggy as fuck. Only use it with the Pokémon Stadium 2 (U) [!].z64 file.

Planned features:
-Load settings from ini file
-Load attack, Pokémon and item names from ROM
-Dropdown list for attacks, items and Pokémon species
-Fix ROM CRC
-Whatever?

Main - ROM Hacking - Pokemon Stadium hacking?

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