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Decomps & Disassemblies icon

Decomps & Disassemblies

Get the help you you need to develop your decompilation or disassembly-based hack here.

Section Staff: Bloodless, 8-bit Zeta, Hiroshi Sotomura, Astrophel

Decomp & Disassembly Tutorials

Simple Modifications Directory

2 Days Ago by MariaJumpMan!

About

About the Decomps & Disassemblies Forum

Learn more about and how to ask for help in this section. Hiroshi Sotomura, Feb 15: https://www.pokecommunity.com/uploads/imageshare/5_1644636771797887625.pngAbout the Decomps & Disassemblies Forum The Decomps & Disassemblies section is for discussions involving a disassembly- or decompilation-based Pokémon game. Use this section...

0 1,073

Started by Hiroshi Sotomura

Help Thread

General Information

Avara, Jan 2019: What's the difference between binary hacking and using a decompilation/disassembly? "Binary hacking" in a nutshell can be defined as using various tools to edit a .gba or .gbc file to get the results you want. If you use a decomp/disasm, the...

0 14,709

Started by Avara

Script

Old Woman Tutorial

HarveySlayer, Aug 12: You know I accidently deleted one if the cut tress but i used control Z to undo that so I thought it was fixed. Guess not.

2 151

Started by HarveySlayer

Battle

White out softlock in pokecrystal

Grate Oracle Lewot, Aug 11: As you may have already sussed, I'm working with a fork of pokecrystal, and I'm getting a softlock upon whiting out (i.e., having all my Pokemon faint). The music keeps playing, so it's not a crash; I'm pretty sure the game's stuck in a loop trying...

0 78

Started by Grate Oracle Lewot

Question About ROM Size

HarveySlayer, Aug 10: Wow, 32 mb is a lot bigger than I first realized

7 299

Started by HarveySlayer

Graphics

Error increasing number of characters in pokemon name

kassius_kan, Aug 5: solve the problem completely when using 11 characters for the pokemon's name and nickname now when using 12 characters when poke level ups everything is messed up put this example of the error

3 241

Started by kassius_kan

Other

Advice on Change Documentation

retrogba, Aug 3: Documentation is always good, and details are helpful. But as someone who released a hack earlier this year, even if you post the details and create a github wiki, you're still going to get people asking the same questions instead of looking for the...

3 224

Started by HarveySlayer

Graphics

(PokeGold) Trying to change player sprite, still shows up as CAL's sprite

NitroHedgehog, Jul 31: As I was trying to edit the main player (Chris) sprite with new ones, I only get the backsprite correct. The front sprite still shows up as CAL, and I don't want CAL to be merged with Chris, as I wanna add a gender selection to PokeGold. Any ideas?...

0 118

Started by NitroHedgehog

Script

Port pokecrystal's Gender Selection to pokegold?

NitroHedgehog, Jul 31: As the title says, I'm trying to port pokecrystal's gender selection to pokegold, but with no success... Is there any steps into doing this? Has anyone done that before? Many thanks.

0 107

Started by NitroHedgehog

Audio

Asking for Tools & Methods about changing the sound effect in the decomp files.

セケツ, Jul 18: Genuinely appreciate for your research & help. Recently I am not working in the sound hacking since I have some other changes to do for my hack. But Having completely (may be) looked through the answer & advice that you gave me, I found that it is...

4 678

Started by セケツ

FireRed Decomp on Mac

nnnnnnnnnnnnnnnnnnnnnnnn, Jul 17: Regardless of firered/emerald the steps should be the same just that you copy another repo. It's fine to do these things on MacOS arguably it's much easier to do this on MacOS compared to Windows. Since it's all Unix. So yes you can make a great...

1 343

Started by GreyWind_20

How do I modify the details for pokemon without breaking the game?

Anon822, Jul 17: Seems like you made a syntax error while editing it. Look at the error message for line numbers or try looking around the lines that you changed for potential mistakes. If you want someone else to help you with it, you should post the contents of...

1 186

Started by Kuroser

Script

Trainer Rematch through sight instead of talking? (Emerald)

Lunos, Jul 17: It should be perfectly safe, in theory.

9 506

Started by AlmightyK

Other

Removing function for two trainer battles (EMERALD)

AlmightyK, Jul 16: That's fixed it, thanks.

2 176

Started by AlmightyK

Other

Read external data

ellabrella, Jul 13: strictly speaking, we're not limited to 32MB. some real GBA cartridges use more space than that. here's an explanation for how the shrek 2 video cartridge, which uses 64MB of space, was dumped: https://mgba.io/2015/10/20/dumping-the-undumped/ ...

4 339

Started by MapleFall

Script

Is it possible to port PokeRed's intro and titlescreen to PokeYellow?

NitroHedgehog, Jul 12: Sorry for double posting, but I managed to get a bit of the Intro working... but it is slightly messed-up. It is the final step of completing my hack. As you can see in the attached files, several problems occur when I compile the project 1 - No...

7 351

Started by NitroHedgehog

Other

Making pokécenters cost money

MapleFall, Jul 12: Yes,I'm a Chinese hacker,so my English is not good.

6 506

Started by Mastercarp

BackUps

HarveySlayer, Jul 11: Thank you. I will try this out. I have very little idea of what I am doing.

8 345

Started by HarveySlayer

Map

Warping to wrong maps

OtakuD, Jul 11: Hi peeps, what could be going wrong if my warps are behaving strangely and not going to the maps I specify in Porymap? I added new map groups to the "map_groups.json" file but maybe this was a bad idea? It seems to be going to "SecetBase_Shrub3"...

0 149

Started by OtakuD

Other

Pokecrystal -- need help with extra move tutor moves

jordanar18, Jul 10: I've been adding new move tutor moves to my pokecrystal hack and I can't seem to have more than 7 moves. I followed the tutorial for adding space for more tutorable moves here but the game freezes at various times after adding an 8th move. I'm...

0 193

Started by jordanar18

Audio

PokeYellow - Eevee's Voice SFX is almost silent in game (.PCM), but loud as a ,WAV

NitroHedgehog, Jul 8: Almost finished my Yellow hack! However, I have one last problem... Eevee's voice clips are quite loud on PC (this is what I want to put in game) but *almost* silent when converted to .PCM... What should I do to keep the normal volume of the WAV...

0 186

Started by NitroHedgehog

Other

Why don't people use NDS decomps?

Lunos, Jul 8: Drama unrelated to the project itself that has no place in this community.

4 802

Started by TriedAndTRUE

Battle

Where/how is the HP stat calculated (pokered)

HarleyRayquaza, Jul 8: (Note that I’m compiling this using the lite branch in Shin Pokered, so if that affects anything please tell me) The one thing in my current hack that I haven’t been able to figure out how to fix is the HP value being significantly lower than...

0 267

Started by HarleyRayquaza

Script

PokeYellow - Following Pokémon script still linked to Pikachu instead of Eevee

NitroHedgehog, Jul 5: EDIT : Finished the Title Screen! I discovered my mistakes, and they were fixed. However, one thing bugs me. After battling your Rival in PokeYellow, Eevee doesn't appear behind the player. Only Pikachu does. The sprite is an Eevee, but it seems the...

0 193

Started by NitroHedgehog

Other

NEED HELP WITH PORYMAP EXTENDED POKEMON

Lunos, Jul 3: Like Anon822 said, if you open a project with the pokemon_expansion implemented on Porymap, the new Pokémon will appear there automatically and without user intervention.

2 337

Started by Limayo

Other

Clever idea or pipe dream?

MattCatDad, Jun 30: Seriously though, you gave me so much to work with and I'm just some stranger on the internet lol. Thank you

3 344

Started by MattCatDad

Audio

The Gen 1 Save SFX: Differences between versions

jojobear13, Jun 28: Some of you may or may not know that Gen 1 pokemon games actually have slightly different Save jingles between most of the versions. See SatoMew's video here for a comparison of the japanese versions: https://www.youtube.com/watch?v=Qv_ypGs8Mjc ...

0 184

Started by jojobear13

Script

Give National Dex (Emerald)

WiserVisor, Jun 27: Try looking into the process that is normally gone through to give the player the national dex, which can be found in data/maps/LittlerootTown_ProfessorBirchsLab/scripts.inc. Once you find that process, just replicate that it in the same script...

1 261

Started by kolbinski32

Help with adding TMs 50-100 to Item Expansion

(2 pages)

Diego Mertens, Jun 25: hi i've tried using this but it keeps telling me that the left shift count is negative, and idk what im doing wrong, do you have any idea of what i could do? i understand this post is really old but there doesn't seem to be any important changes...

29 3,923

Started by RadicalRadish

Battle

Want to create Trainer and have give item

WiserVisor, Jun 24: To do this, you'll first need to make a separate script that just involves the person giving the player the item. Next, you'll need to make sure that, when you initially interact with the person, they run either trainerbattle_single or...

1 236

Started by kolbinski32

Graphics

Editing .tilemap files in PokeYellow?

NitroHedgehog, Jun 22: Thanks! I successfully cloned the repo you gave me, I did some edits, but now I am getting the following error when trying to compile. error: Unable to place 'OAM Buffer' (WRAM0 section) at $C300 I dunno what to do for that. Also I use RGBDS 3.5...

2 262

Started by NitroHedgehog

Battle

Catch Trainer's Pokemon? (decomp)

kolbinski32, Jun 21: How do you makeit so stolen pokemon are added to pokedex

3 909

Started by Disclaim

Graphics

Gen II overworld sprite editing

_confused_piplup_, Jun 20: Hi all! I am new to this section and I have basically 0 experience. I wanted to change the main character overworld sprite of Pokémon Crystal. I downloaded pokecrystal and I kinda got into it. I am not an expert but I kinda manage to understand and...

0 235

Started by _confused_piplup_

Announcing a Gen III Romhacking Video Tutorial Series for Beginners

TeamAqua, Jun 19: Announcement Video: https://www.youtube.com/watch?v=Z43aXR5GzcY As most of the people here know, Gen III Romhacking has never been easier to get into than now because of the decomps. I wanted to show more people how simple things are now with the...

0 424

Started by TeamAqua

Other

Any tutorials for adding static encounter Pokemon in either Pokered or Pokeyellow?

longlostsoldier, Jun 18: There isn't, but I guess I could get around to trying to write one at some point. I believe you need to: 1. Mess with the hide/show sprite page, to make sure the game knows what sprite you are talking about when you want to hide it and where it is....

2 307

Started by HarleyRayquaza

Graphics

New Overworld Sprites

OtakuD, Jun 17: Yeah I totally understand, I just took a gamble since it would have been a pain otherwise 😆 Luckily it paid off, all pretty stable thus far

8 637

Started by OtakuD

Other

Escape Rope Warp

scarfedelectrode, Jun 16: Yeah thanks man, just tried it again and it worked. Sometimes you just need another person to do the obvious thing. Cheers.

2 328

Started by scarfedelectrode

Other

Help with making poketcg

Cataclyptic, Jun 15: Well I’m an idiot. Thank you.

2 274

Started by Cataclyptic

Any Updates on the Dynamic Overworld Palette Edits for Pokeemerald?

Lunos, Jun 11: Dropping here a quick info tip for people who may find this thread in the future; attempting an automatic merge is not the only way to acquire a feature branch's contents. You can implement them manually. If you get lots of merge conflicts by...

4 1,079

Started by Jessler

Combined Base

laser_dolphin, Jun 11: Edit: I made my own base that combined the latest branches from RHH's pokeemerald Expansion, TheXaman's PokedexPlus with a HGSS style and ghoulslash's Dexnav. I am also incorporating most of the fixes found in the tutorials section of pokeemerald...

0 322

Started by laser_dolphin

Battle

Physical moves only battle

Martyk, Jun 8: Ah you are the best! Seems I made a mistake in TrySetCantSelectMoveBattleScript, but it works now! Thank you very much for the help and the quick replies!

8 418

Started by Martyk

Tool

Porymap Segmentation fault with Fire Red Decomp

richarizard_, Jun 1: Hey, thanks! My Fire Red branch was up to date, but I was running an old version of porymap. Switched to a newer build, and all good now :)

2 348

Started by richarizard_

[Pokeemerald] Camera will not move during script

Lunos, Jun 1: None that I'm aware of besides Avara's own tutorial, but merely looking at the usages of OBJ_EVENT_ID_CAMERA through git grep should be enough. There isn't a better source of overworld scripting knowledge than the game's own overworld scripts, imo....

3 300

Started by bitter6290

Other

Can't build using msys2

TriedAndTRUE, Jun 1: Managed to build with WSL1. Thanks for your help!

6 521

Started by TriedAndTRUE

Other

''Layout Link'' error when building PokeRed in Cygwin

NitroHedgehog, May 31: EDIT - My mistake. Turns out my sprites were corrupted, so I had to start everything again. Now it works, but I get this instead in Cygwin: layout.link(60): Sections would extend past the end of ROMX ($8263 > $7fff) I didn't edited anything in...

0 231

Started by NitroHedgehog

Other

Will decomp ROM hacking work with a fake Emerald game?

Anon822, May 30: Depends on what you mean. The decomp creates a completely new rom so you can't use it to edit an existing rom file, such as the one you could dump from that cartridge. You can however create a romhack and put it on that cartridge if you have the...

1 326

Started by TriedAndTRUE

New Pokemon Center crashes after healing

Anon822, May 27: IIRC that happens if your map doesn't run CableClub_OnResume as a map script. This modification should fix it.

1 285

Started by bitter6290

Other

Help with the 'Make' command

Cataclyptic, May 26: I actually did that all three times, sorry if that wasn’t clear. So, I did all of that and reinstalled everything on a cygwin folder located in C:. Still didn’t work. But then I became suspicious when you kept saying it shouldn’t be directed...

4 302

Started by Cataclyptic

[Pokeemerald] Changing starting location/removing truck scene

Anon822, May 26: There's a tutorial for that in the simple modifications thread: https://www.pokecommunity.com/showpost.php?p=9982673&postcount=8

1 343

Started by bitter6290

Script

pokecrystal evolution move table efficiency

ThomasWinwood, May 26: The way to make the list shorter would be to make it a list of Pokemon-move pairs… EvolutionMoves:: db CHARIZARD, WING_ATTACK db METAPOD, HARDEN ; etc …but you're on your own for how to edit the code to correctly read such a...

1 308

Started by Grate Oracle Lewot

Other

pokecrystal 'gfx/pokemon/dewgong/a' build error

Grate Oracle Lewot, May 23: Huh. Looking at that file in my fork, it says I deleted them in the latest commit. I have no memory of doing that, but thanks for helping me find it.

5 366

Started by Grate Oracle Lewot

Battle

Primal Reversion Issues in pokeemerald-expansion

Lunos, May 17: In reality, what you forgot is to pull from the branches. The next time you do so, the actual issue will be fixed. This was solved long ago; the primals do not need the Mega Bracelet. The thing is, the PR in which it was fixed was only recently...

1 449

Started by j_o_n_n_y

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Categories

About the Decomps & Disassemblies Forum

General Information

Old Woman Tutorial

White out softlock in pokecrystal

Question About ROM Size

Error increasing number of characters in pokemon name

Advice on Change Documentation

(PokeGold) Trying to change player sprite, still shows up as CAL's sprite

Port pokecrystal's Gender Selection to pokegold?

Asking for Tools & Methods about changing the sound effect in the decomp files.

FireRed Decomp on Mac

How do I modify the details for pokemon without breaking the game?

Trainer Rematch through sight instead of talking? (Emerald)

Removing function for two trainer battles (EMERALD)

Read external data

Is it possible to port PokeRed's intro and titlescreen to PokeYellow?

Making pokécenters cost money

BackUps

Warping to wrong maps

Pokecrystal -- need help with extra move tutor moves

PokeYellow - Eevee's Voice SFX is almost silent in game (.PCM), but loud as a ,WAV

Why don't people use NDS decomps?

Where/how is the HP stat calculated (pokered)

PokeYellow - Following Pokémon script still linked to Pikachu instead of Eevee

NEED HELP WITH PORYMAP EXTENDED POKEMON

Clever idea or pipe dream?

The Gen 1 Save SFX: Differences between versions

Give National Dex (Emerald)

Help with adding TMs 50-100 to Item Expansion

Want to create Trainer and have give item

Editing .tilemap files in PokeYellow?

Catch Trainer's Pokemon? (decomp)

Gen II overworld sprite editing

Announcing a Gen III Romhacking Video Tutorial Series for Beginners

Any tutorials for adding static encounter Pokemon in either Pokered or Pokeyellow?

New Overworld Sprites

Escape Rope Warp

Help with making poketcg

Any Updates on the Dynamic Overworld Palette Edits for Pokeemerald?

Combined Base

Physical moves only battle

Porymap Segmentation fault with Fire Red Decomp

[Pokeemerald] Camera will not move during script

Can't build using msys2

''Layout Link'' error when building PokeRed in Cygwin

Will decomp ROM hacking work with a fake Emerald game?

New Pokemon Center crashes after healing

Help with the 'Make' command

[Pokeemerald] Changing starting location/removing truck scene

pokecrystal evolution move table efficiency

pokecrystal 'gfx/pokemon/dewgong/a' build error

Primal Reversion Issues in pokeemerald-expansion