- Donate to the PokéCommunity
  
  Support the PokéCommunity’s running costs with a small monetary donation. You can even get a few cool things by doing so.
- Learn more…
- Donate now
Sign In / Create Account
- Sign in to your PokéCommunity Account
- Account Name
  
  Password
  Forgot password?
  
  Keep me signed in
- No account? No worries.
  New Account

Decomp & Disassembly icon

Decomp & Disassembly

Guides and resources to help you develop your decompilation or disassembly-based hack can be found here.

Section Staff: Avara, Pia Carrot, Bloodless

PoryMap | Map Editor for the Disassembly and Decompilation Projects

(3 pages)

Lunos, Jun 6: Just a quick heads up, v4.2.0 is out and it greatly improves loading times, more specifically, when opening a map, when switching tilesets and when saving tilesets too. As always, the download can be found in the main post.

56 13,629

Started by Lunos

[DECOMP] Simple Modifications Directory

(4 pages)

PokemonCrazy, Jun 6: Show Type Effectiveness In-Battle EM]...

82 20,859

Started by Avara

Pokeemerald

Battle Engine Upgrade

(5 pages)

Lunos, May 23: It'd be helpful if you mentioned what issue are you getting exactly. It's hard to help you otherwise.

117 27,751

Started by DizzyEgg

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 6,097

Started by Avara

Decomp & Disassembly Forum Rules

Avara, Jan 2019: *Decomp & Disassembly Forum Rules* Forum Rules This forum is bound by rules set in the global PokéCommunity Rules To make sure that things remain civil, and to make sure that everyone has an enjoyable time, we ask that, along with the global...

0 2,308

Started by Avara

Pokeemerald

Region map pallet error

felipenx, Jun 6: The image of the tileset have to contain 256 colors. But the game only use 32 of them. So you have to place those 32 colors in de index 112. My error was i placed in the first colors of the pallet. The other colors can be just one color, i used...

3 135

Started by felipenx

Pokeemerald

Decomp Trainer Editor

pokefreak890, Jun 6: youre welcome

9 1,218

Started by Disturbo

Pokeemerald

[HELP] Make an Item that Uses Fly

WiserVisor, Jun 5: I appreciate that! I figured there's no reason for everyone to keep needing to figure out this stuff, so I decided to write up what I did so that everyone else has an easier time. I've been helped by a lot of other users who have done the same, and...

6 504

Started by WiserVisor

Pokeemerald

Sideways Stairs

ghoulslash, Jun 4: Sideways Stairs This feature adds sideways stairs to pokeemerald, which give maps a better sense of elevation change. In addition, it adds the feature from FRLG where the player moves slower when moving on stairs. https://i.imgur.com/yT9KQQd.gif...

0 191

Started by ghoulslash

Pokeemerald

[TUTORIAL] Adding new map sections for name popups and region map

felipenx, Jun 4: thanks so much for this tutorial. follow your step i can fix a error whit the porymap region editor

1 571

Started by Samug

Pokeemerald

Soft EXP Level Caps

PokemonCrazy, Jun 2: Sorry for it being a day late, but I just added Day Care scaling. Thanks again for helping point out my issues, I would have completely forgotten about Day Care if not for you, haha.

5 644

Started by PokemonCrazy

Pokeemerald

Inserting Custom Sprites

Lunos, Jun 2: What do you mean by "player icon sprites"? The overworld sprites of Brendan and May? They're located in pokeemerald\graphics\object_events\pics\people. To modify them, you can use your favorite image editing software. Just keep in mind they must...

9 3,573

Started by Avara

Pokeemerald

Map Previews

dazblue, Jun 1: If I'm not mistaken that's an edit of the location art from when you enter Ilex Forest in the morning in HG/SS. If you go on Spriters Resource you can find a sheet with all of these backgrounds

4 517

Started by ghoulslash

Pokeemerald

Attack editting, pokeball editting, and combining the two??

Trainermon, May 29: Hey all, I am new to the rom hacking world. In terms of actually writing my own. I am wondering if someone can give me a quick how to on the following adding custom attacks calculating power based off of happinness adding custom pokebals

0 149

Started by Trainermon

Pokecrystal

pokecrystal For Dummies

(2 pages)

GiantPigeon, May 27: This is actually the main thing I'm doing in my hack. It's quite easy though you're bound to run into some problems. I would heavily heavily heavily recommend using Notepad++ as it has an invaluable "replace all in opened files" function with case...

30 22,499

Started by Pia Carrot

Pokeemerald

How to start a project using DizzyEgg's works

(2 pages)

Lunos, May 27: I added as a new step to the tutorial in the main post, an explanation on how to uncomment the evolution parameters that are commented out by default in Egg's branches. Also, I'll try to record the new video tutorial today. I've been having some...

45 3,933

Started by Lunos

Pokeemerald

Is it possible to set a Trainer's Pokémon's ability? Well, it is, but...

YumB3R, May 26: My native language is not English, I'd like to know how you solved the problem. I also use Dizzy Eggg's Battle_Engine_V2.

1 1,016

Started by Diego Mertens

Pokeemerald

Removing EV and IV

MysteryGift, May 26: I don't think asking people to just do all your work for you is the way to go. Learn C like everyone else, and then figure it out. I'd get it if it was something minor but doing a rework on this scale feels like something you'd be better off doing...

1 1,120

Started by Intelligent Researcher

Pokeemerald

Boss Battle Balancing

WiserVisor, May 26: Have you ever thought: "Man, the boss battles are just too easy in these Pokemon games!" Have I got the solution for you! I've gathered and created a collection of code that you can put in your decomp so that any battle of your choosing can be a bit...

0 228

Started by WiserVisor

Pokeemerald

[Tutorial] How to build the decomps using WSL (Win10)

Lunos, May 26: There's a chance it will, but I haven't tried it myself so I can't say for sure.

22 1,817

Started by Lunos

Pokeemerald

[TUTORIAL] Set Trainer's Pokémon's Levels dynamically

WiserVisor, May 25: As a matter of fact, there is. I've already written up the code to do this, as well as a few other things. For the evolving, you're going to need this: I've also made another change to this code. I noticed that, theoretically, a player could try...

2 1,851

Started by Diego Mertens

Pokeemerald

Changing Rival's Name In-Game

WiserVisor, May 25: Well, now there is a custom rival name process! For anyone else who wants to have a custom rival name, here's the code you'll need: In src/naming_screen.c: This code allows you to create a naming screen to give a name to your rival. Right now,...

2 297

Started by WiserVisor

Pokeemerald

Making Every Pokemon A Starter

WiserVisor, May 25: In src/data/trainer_parties.h: This holds every possible team that your rival could have. If you want, you can change up which Pokemon are in each team, since it is quite possible that some of the Route 103 battles, depending on the player's...

9 965

Started by WiserVisor

Pokeemerald

Porting over new gen daycare mechanics (help needed)

PokemonCrazy, May 24: In trying to figure out nature inheritance, I've narrowed down the problem with being in DizzyEgg's item_expansion. I tested Everstone functionality in a clean pret pokeemerald and it worked as intended, then I tested Everstone functionality in...

1 405

Started by takyon

Pokeemerald

[Tutorial] How to build Pokeruby/Pokeemerald using Cygwin (64 Bits)

Lunos, May 24: And this is the exact reason why I simply prefer to tell the people to install devkitPro in its default path at C:, because the commands that add the paths of devkitPro and devkitARM to C:\cygwin64\home\USER\.bashrc are set to their default...

20 2,533

Started by Lunos

Decomp Overworld Editor(and more)

YumB3R, May 22: I think I'll go over to decomp

5 451

Started by DragonKiller707

Pokeemerald

[HELP] HM use permanence

dazblue, May 22: I get that having rocks reappear is necessary for mons that you can only encounter by using rock smash, but why have trees always been set to reappear? There's literally no point lol it's so dumb. Definitely implementing this in my game

2 211

Started by takyon

Pokeemerald

Follow Me

DragonKiller707, May 19: Works great, thanks for posting this!

7 1,709

Started by ghoulslash

Pokeemerald

Scripting Tutorial

(2 pages)

NielsM, May 18: thanks for the help, i didn't get the notation at first and i couldnt remember the types, but now i do!

43 10,032

Started by Avara

Pokeemerald

[Tutorial] Adding new prizes at BF's Exchange Corner

Robinlukke, May 17: Since it took me forever to find which files I had to modify in order to make this work, I decided to make a tutorial so you don't have to waste your time looking for them. In this tutorial I'm adding new items as available prizes (the Regi trio...

0 173

Started by Robinlukke

Pokeemerald

Create a debug menu

Jaizu, May 15: This is a very good resource, thanks for sharing. I would suggest to make a standard one (changing vars, setting flags, giving mons, changing bgm...) as a default one instead a blank one but hey, it's still a good post.

8 2,231

Started by ThomasWinwood

Pokeemerald

Is deleting maps in PoryMap possible?

Jaizu, May 15: Porymap doesn't support that feature, but you can remove them by yourself editing code and removing their folders.

1 181

Started by NielsM

Pokered

Need help with the reverse engineering tools

xaya12, May 10: I want to decompile a different language version of the gen 1 games. I thought the reverse engineering tools could help me but I have never worked with python before so I'm completely lost. Ideally, apart from the text, I would just want all of the...

0 155

Started by xaya12

[Pokefirered] Item Expansion

ScizorBlade, May 7: Alright, I already had set that in mind. Thanks.

5 824

Started by ghoulslash

Pokecrystal

Pokémon Strawberry -- Need Help With Getting Started

GiantPigeon, May 6: I can't help with a lot of these, but I'll do my best to provide you with whatever info I can. First and foremost I would recommend just reading through the "beginner's directory" in rom hacking help. 3/4. Info for the type changing and moves...

4 354

Started by ajgropius

[Pokefirered + Pokeemerald] Quest Menu

ghoulslash, May 5: Like Lunos said, this is strictly for decomps, whereas CFRU is for binary hacking. There is a binary version of this feature that is compatible, though. Fair warning that there may be bugs since it was developed a while ago.

3 983

Started by ghoulslash

[Tutorial] How to build Pokeruby/Pokeemerald using devkitPro's MSys2

dazblue, Apr 29: I don't think I installed libpng correctly (maybe accidentally skipped 'make install' altogether lol) because I reinstalled it and it is now working, thanks I appreciate the help

21 4,568

Started by Lunos

Pokeemerald

Adding a special to change PLAYERs name

Jaizu, Apr 28: Hey! Open /data/specials.inc and add at the end: def_special name_test Now, in any .c file that is inside the src folder we add: void name_test(void) { DoNamingScreen(0, gSaveBlock2Ptr->playerName, gSaveBlock2Ptr->playerGender, 0, 0,...

0 346

Started by Jaizu

Pokeemerald

Pokemon Expansion

(2 pages)

WiserVisor, Apr 27: I have a decomp with the Pokemon Expansion, and everything works except for a few seemingly random Pokemon palettes. I threw some random Pokemon into some of the beginning areas, and I noticed that some Pokemon's sprites were really off. This...

36 9,670

Started by DizzyEgg

Pokeemerald

USUM Data Files for Pokedex Expansion

Buffel Saft, Apr 25: I've updated the cries to match the naming convention used in Egg's Pokemon expansion repo (i.e. they're all named cry_not_ now to indicate that they shouldn't be compressed). Kinda pointless for most of them seeing as they're already in said repo,...

23 4,546

Started by Buffel Saft

Visual Studio Code extension for GBA script syntax highlighting

ThomasWinwood, Apr 24: I was going to do this! Now I don't have to. Nice work. Battle scripts could do with syntax highlighting as well; I might ask around to see if it's feasible to give them a separate file extension to that end.

1 279

Started by Samug

[pokefirered] TM/HM Expansion & Reusable TMs

ghoulslash, Apr 17: It shouldn't if you have REUSABLE_TMS defined in include/constants/items.h. Check TMCase_ItemPrintFunc to modify if you need to.

2 644

Started by ghoulslash

How to update to latest pokeemerald from an older version.

Lunos, Apr 15: Well, naturally, once new move animations are added to the battle_engine_v2, you'll have to git pull that branch in order to incorporate those move animations into your copy/project. To clarify though, right now, there's many moves that...

3 369

Started by LunatoneandSolorockarebest

Creating new map sections

Samug, Apr 11: I've just posted a quick tutorial on adding new map sections if you're still interested in this question: https://www.pokecommunity.com/showthread.php?t=433496

1 1,749

Started by Bidoof

Pokeemerald

help with AGBprint functions

mgriffin, Apr 10: AGB_ASSERT is similar to the standard assert from assert.h, i.e. it crashes the program if the condition passed to it is false (with a message). Anyway, if you don't want to turn AGB_ASSERT on, go change include/gba/isagbprint.h to define it as...

1 249

Started by Yknr

Pokeemerald

Battle Mechanics

Kiminoshiranaii, Mar 29: I'm completely illiterate in Coding/Programming stuff but im interested in learning it. Thanks for the insights.

2 597

Started by Kiminoshiranaii

How do I open my rom with porymap?

mgriffin, Mar 29: You don't have to push your commits. git commit just saves things locally, git push is what makes them public.

5 380

Started by Splitnonemore

Pokeemerald

Tile inserting & animating tutorial

TGFbSMAD, Mar 29: Thank you for the investigations, though I'm pretty sure i did not forget anything related to the tutorial. But you may be right because I managed to make it work after re-doing it 3-4 times and messing up with the differents codes lines. Not sure...

16 3,269

Started by Lyzo

Git Commands and Visual Studio Code

HackerL, Mar 29: Guide to Git and VisualStudioCode: Opening your folder in VisualStudioCode/Atom is possibly the #1 thing you wanna do before you even start editing your files. With VisualStudioCode/Atom, you can search, edit, merge, stage and unstage code...

0 311

Started by HackerL

Can someone make a detailed guide for building pokemerald?

Lunos, Mar 15: And just so we're clear, while there's WSL and it's the best option if you use Windows 10, you also have tutorials for 2 other choices in case anything goes wrong, Cygwin or MSys2.

3 578

Started by Splitnonemore

Pokered

Need help making Dragon physical and Ghost special in Pokered

lazerbeams, Mar 14: Changing type_names worked! Thanks.

2 1,017

Started by lazerbeams

[TUTORIAL] Decomp - From start to finish

(2 pages)

TheRisingSean, Mar 12: Hiya lads sorry for the incompetence these past few months, i havent had access to a laptop or pc at all. ive got one now temporarily and will be refollwing my steps to see where people are going wrong.

41 7,745

Started by TheRisingSean

Pokeemerald

More Bag Pockets

AsparagusEdu, Mar 9: Lunos' branch was a bit behind, so you may want to either wait until Lunos updates it before merging or starting from vanilla pokeemerald and merge whatever branches you want to use into it. You will however need to overwrite src/data/items.h...

16 2,170

Started by AsparagusEdu

Pokered

Changing move names in HM01-05/TM01-55 area

jr_ncar, Mar 9: I've been able to successfully add a bunch of moves to Pokered with great success. That is, until I reached c4, which is where HM01 is, and even changing the name in move_names.asm doesn't change the move name from HM01. Is there some place in the...

0 477

Started by jr_ncar

Pokecrystal

[Tool] Polished Map 4.5.0 and 2.5.0++: a pokecrystal and pokered map editor

Rangi, Mar 7: Polished Map 4.5.0 and 2.5.0++ are out! It's a minor update for regular Polished Map, but for Polished Map++, it now supports up to the GBC hardware limit of 512 tiles. The Polished Crystal beta 3.0 engine lets you use 384 of those 512 (the other...

4 4,133

Started by Rangi

Forum Tools	Search this Forum
Mark This Forum Read View Parent Forum

Categories

PoryMap | Map Editor for the Disassembly and Decompilation Projects

[DECOMP] Simple Modifications Directory

Battle Engine Upgrade

General Information

Decomp & Disassembly Forum Rules

Region map pallet error

Decomp Trainer Editor

[HELP] Make an Item that Uses Fly

Sideways Stairs

[TUTORIAL] Adding new map sections for name popups and region map

Soft EXP Level Caps

Inserting Custom Sprites

Map Previews

Attack editting, pokeball editting, and combining the two??

pokecrystal For Dummies

How to start a project using DizzyEgg's works

Is it possible to set a Trainer's Pokémon's ability? Well, it is, but...

Removing EV and IV

Boss Battle Balancing

[Tutorial] How to build the decomps using WSL (Win10)

[TUTORIAL] Set Trainer's Pokémon's Levels dynamically

Changing Rival's Name In-Game

Making Every Pokemon A Starter

Porting over new gen daycare mechanics (help needed)

[Tutorial] How to build Pokeruby/Pokeemerald using Cygwin (64 Bits)

Decomp Overworld Editor(and more)

[HELP] HM use permanence

Follow Me

Scripting Tutorial

[Tutorial] Adding new prizes at BF's Exchange Corner

Create a debug menu

Is deleting maps in PoryMap possible?

Need help with the reverse engineering tools

[Pokefirered] Item Expansion

Pokémon Strawberry -- Need Help With Getting Started

[Pokefirered + Pokeemerald] Quest Menu

[Tutorial] How to build Pokeruby/Pokeemerald using devkitPro's MSys2

Adding a special to change PLAYERs name

Pokemon Expansion

USUM Data Files for Pokedex Expansion

Visual Studio Code extension for GBA script syntax highlighting

[pokefirered] TM/HM Expansion & Reusable TMs

How to update to latest pokeemerald from an older version.

Creating new map sections

help with AGBprint functions

Battle Mechanics

How do I open my rom with porymap?

Tile inserting & animating tutorial

Git Commands and Visual Studio Code

Can someone make a detailed guide for building pokemerald?

Need help making Dragon physical and Ghost special in Pokered

[TUTORIAL] Decomp - From start to finish

More Bag Pockets

Changing move names in HM01-05/TM01-55 area

[Tool] Polished Map 4.5.0 and 2.5.0++: a pokecrystal and pokered map editor