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ROM Hacking Help icon

ROM Hacking Help

Need a helping hand? You can get help on any ROM Hacking-related problems or questions you have here.

Section Staff: Bloodless, Dr. Seuss, 8-bit Zeta, Spacewalker

Binary Hack Research & Development

Development Complete FireRed Upgrade

10 Hours Ago by Lance Koijer 2.0

Binary Hack Tools, Tutorials & Resources

Resource Pokémon Emerald - ROM Base...

1 Day Ago by Li Yun

Decomp & Disassembly Tutorials & Resources

Pokeemerald Unique surfing overworlds

14 Hours Ago by surskitty

Decomp & Disassembly Help

Script Broken trainerbattle_ event...

8 Hours Ago by Meister_anon~Master_o f_None

ASM & Hex

Forcing Set Style in Ruby or Emerald

squirtleboylove, Jun 12: Thank you so much! That did the trick.

3 156

Started by squirtleboylove

ASM & Hex

How do you clear empty space in the middle of a ROM Hack?

Marky Vigoroth, Jun 1: The ROM hack has 1.131 extra bytes. I do not know of HexManiacAdvance... I might check ou that... UPDATE: That worked! Thank you all!!!

4 246

Started by Marky Vigoroth

ASM & Hex

Is it possible to expand move table beyond 511?

ortz3, May 20: Hello, I was able to successfully expand my moves table to 511 moves using itman's thread: https://www.pokecommunity.com/showthread.php?t=290135 In the thread he said the max a table can hold is 511 and there are already 354 moves which means...

0 140

Started by ortz3

ASM & Hex

[Leon's ROM Base] Shedinja Evolution

Meister_anon~Master_o f_None, May 18: I can confirm it does work for both cfru and normal game.

16 1,806

Started by Blackforest

ASM & Hex

ASM routine - Music trainer classes (emerald) - HELP

Ryurs, May 12: Hello everyone. My doubt goes in relation to this tutorial by Jambo51 about custom music according to the trainer class: https://www.pokecommunity.com/showthread.php?t=293704 I have tried everything in this tutorial on a "fire red" ROM and...

0 166

Started by Ryurs

ASM & Hex

Adding to the limit of Map Names in Emerald

ZeoYT, May 10: I've been stuck on this for basically an entire day. I've inserted a new map into Emerald and I'm trying to make it have it's own name instead of editing another. How would I go about doing this? I read on a different thread that it was impossible,...

0 150

Started by ZeoYT

ASM & Hex

Firered Evolution Moves

Meister_anon~Master_o f_None, May 8: ok, wow yeah I see that's a new thing added now, I've been playing/working with cfru so long I forgot that wasn't a common feature. Good luck.

3 276

Started by HustlerJim

ASM & Hex

Fixing light ball code to turn into thick club and stick

partys over, May 7: So I just want to add Thick Club and Stick to my new alolan marowak and galarian farfetch'd (and sirfetch'd) in my firered hack, but it seems modifying the battle scripts would be really hard. So I want to instead make a new stick and new thick...

0 210

Started by partys over

ASM & Hex

pokered Add Type help

ContentlyForlorn, May 7: Howdy, I've tried following the tutorial: https://github.com/pret/pokered/wiki/Add-a-new-Type to add a new type, but when I attempt to follow this I get the following error: ERROR: main.asm(152) -> engine/battle/print_type.asm(52) ->...

0 196

Started by ContentlyForlorn

ASM & Hex

After Loading my Savegame i have a Black Screen

Anon822, Apr 21: And this is why you should make frequent backups. You could compare a copy of your rom to the backup in a hex editor and revert changes one by one until you find the part that causes the crash, but it could take a ton of time.

1 246

Started by CerberusRex

ASM & Hex

Help with Nature Affected Colored Stats in Fire Red

CarpetPalmtree, Apr 16: I've been trying to solve this myself for a while, but I feel I've finally hit a road block. I managed to fix *most* issues but now I can't figure out what I'm supposed to do. The stats with colors slightly works but all it does is highlights the...

0 289

Started by CarpetPalmtree

ASM & Hex

Psyshock in Fire Red

tzx211, Apr 15: Can someone please help me with Psyshock effect in FireRed. there is a documented one in move source thread, but I don't have the pointers to port it from emerald and fire, nor the hooks. specifically: Back: .word 0x08069938+1 CurrentMove:...

0 257

Started by tzx211

ASM & Hex

Creating a New Ability in CFRU

Anon822, Apr 11: If you really want to make a romhack, you could try using the decomps. DizzyEgg's Battle Engine Upgrade has expanded abilities past 255.

7 1,015

Started by Cordy58

ASM & Hex

Need help hacking the shiny spawn rate in FireRed

Anon822, Apr 3: This topic is covered in more detail here: https://www.pokecommunity.com/showthread.php?t=409670

2 780

Started by BirdstarCat13

ASM & Hex

A little help with pointers?

_FyreNova, Mar 25: And, expanding on this question, how would one make the pointing relative to the current offset? Context: making a battle animation right now, and want the animation to be insertable anywhere instead of in a specific place.

1 263

Started by _FyreNova

ASM & Hex

Need Help Animation Pokeball

Super Versekr Dark, Mar 20: Hello a few days ago I tried to change the design of my pokeballs for the one used in CFRU (I don't use CFRU since I have advanced my hack rom), well the case is that I look for the table, change everything and it looks like this: ...

0 302

Started by Super Versekr Dark

ASM & Hex

ASM question.

Meister_anon~Master_o f_None, Mar 12: I can't read asm, but I'm trying to find menu data. Does this section of code look "right" for asm like does it make sense.

0 311

Started by Meister_anon~Master_o f_None

ASM & Hex

Change the location of a sethealingplace variable

Mr. Jupiter, Mar 3: Hello! I'm really going out on a limb here hoping someone will reply, seeing as this post is years old, but I've recently gotten into ROM hacking myself and I attempted this, however it has broken my game now. The mom script worked like a charm, but...

5 1,804

Started by Scarlet D.

ASM & Hex

[FireRed] Trying to change the roamer, but confused a little

TrainerRobo, Mar 2: Hey. Just trying to change the roaming pokemon in Fire Red, using this post as a guide, but i'm sort of confused. I'm no coder and I especially don't know hex very well, so this may seem like a baby question, but I wanted to change the roamer to...

0 216

Started by TrainerRobo

ASM & Hex

Code illiterate newbie looking to increase the damage of Type-enhancing items (Platinum)

Anon822, Feb 28: The tutorial you're using is listing the offsets for diamond/pearl, not for platinum.

4 1,554

Started by PopcornBunni

ASM & Hex

(Concept) Changing the cap on EVs and IVs.

Snowka85, Feb 22: What would the offsets for these be in Emerald? Also, how would I remove the 510 cap in that game?

13 2,391

Started by BirdstarCat13

ASM & Hex

Gen 6 Exp All/Share In Platinum - Help please!

Meister_anon~Master_o f_None, Feb 20: Don't know how to change how the items work, without using decomp, but for a quick fix you could change the script that gives the exp share, to give players 6 of them instead of just 1. That's the solution some hacks like drayano's blaze black &...

1 487

Started by YokoSays

ASM & Hex

[Yellow] Reclaiming ROM0 space

BenJuan26, Feb 19: I'm using pokeyellow and trying to add the A-button HM shortcuts from Gen2 onward. I've started by testing whether I can detect a CUT-able tree in front of the player and showing some text if successful. The problem is that overworld.asm is in ROM0,...

0 253

Started by BenJuan26

ASM & Hex

Noob needs help, either removing features or adding them to existing IPS file.

Meister_anon~Master_o f_None, Feb 16: Patches are just copies of byte changes in a rom. So everything in the patch is something they changed in their rom, with the tools available in this community. You can't change the patch itself, if you want different features or to remove...

1 319

Started by Haddock

ASM & Hex

510 EV cap on CFRU based ROMs

Hexx17, Feb 16: does anyone know where these offsets are in emerald?

14 1,629

Started by McPaul

ASM & Hex

[FireRed] Creating new evolution items.

Meister_anon~Master_o f_None, Feb 9: hey you can do it with hex maniac, just make sure you're updated to the latest version. .4.1 what you need is to go to an evolution stone take the part in the item effects table that deals with it being an evo stone. and add that to the item...

4 518

Started by SKB

ASM & Hex

[Pokémon XD] Remove the 510 EV cap

McPaul, Jan 30: Hello! Does someone know how to do this? I have absolutely no knowledge in GC hacking but I know how to remove the cap on standard GBA games. Thanks for your answer!

0 287

Started by McPaul

ASM & Hex

Pokemon Emerald Gender Choice Box, Battle Level Text, & Pokedex Layout

Mkol103, Jan 24: Decomp is already decompiled. Essentially, you take the decompiled source code, edit it, then compile it. The compiled version is just a .gba file. Here is a tutorial to help you get everything set up. From there, you can start editing text and...

3 683

Started by ultron90

ASM & Hex

Find functions for held item effects

Meister_anon~Master_o f_None, Jan 19: I'm trying to find the effects of certain held items. I've found the arguments for use items, but I can't seem to find where the code is for held items.

0 435

Started by Meister_anon~Master_o f_None

ASM & Hex

Changing the offset where a patch is applied

Meister_anon~Master_o f_None, Jan 17: gotcha and yeah what I was using was an ips patch. I was applying phy special split, with an ips patch and that created a log file when it was done. That may be the only one I've seen do that, but I haven't used many anyway and just can't ...

10 828

Started by castlemurphy

ASM & Hex

How do I get rid of this mechanic, I want it gone.

Meister_anon~Master_o f_None, Jan 15: This.

0 412

Started by Meister_anon~Master_o f_None

ASM & Hex

Does place in a table determine the byte value a variable as listed as?

Meister_anon~Master_o f_None, Jan 12: Alright awesome, I haven't dove into it yet, but that looks like it'll solve all the problems I was having when I added the fairy type to mine.

2 364

Started by Meister_anon~Master_o f_None

ASM & Hex

(Please, HELP!) Memory troubles!

Newo RGBY, Jan 9: Hi guys. I'm practically new at ROM Hacking, but i know about a few things... So, i was editing with HxD my Firered Hack, what i wanted to do is make the Music play at a higher quality, changing the Frequency/Sample Rate of DirectSound playback...

0 400

Started by Newo RGBY

ASM & Hex

Rom edit or ASM Advice where/how to start hacking

Meister_anon~Master_o f_None, Jan 6: thanks for the response I never got a notification so I didn't realize anyone responded. How would CFRU or the other engine help, I'll check the ability resource in a bit? And when you say I'd be working with source code is that because i'd...

2 1,058

Started by Meister_anon~Master_o f_None

ASM & Hex

Link battle auto save issue.

Megax Rocker, Dec 21: Here's the issue: After each link battle, or trade, the game auto saves. if I load a save file that was saved by said auto save, the Pokedex becomes unusable until a pokemon is caught, in which case the pokedex will be completely empty with...

0 526

Started by Megax Rocker

ASM & Hex

What hex converter does FBI use in his tutorials !!!!

Andy Sama, Dec 16: I use the Anti-Exploud of G3T for converting text xD

5 1,081

Started by FireFig

ASM & Hex

Byte Tutorial for Advance Map?

Pokémaster Farhan, Dec 15: Place type width height Rooms 13 10 Towns 24 20 Cities 48 40 Forests 54 69 Caves 48 40 Use these mesurements for creating maps

3 1,072

Started by bannabudder

ASM & Hex

How to create a new behavior byte for the new field effect?

jirachiwishmaker, Dec 13: It's simply to create a new field effects, sprites and palettes in Emerald, but I don't know how to make the unused behavior byte to recognize the new field effect. Like the snow field, to make a new behavior byte for the snow footprint effect. Can...

0 572

Started by jirachiwishmaker

ASM & Hex

Expanding Evolution Stone Index

castlemurphy, Dec 9: Epic please share this sounds really cool!

4 2,693

Started by Stoabs

ASM & Hex

[Emerald] Change moveset upon evolution

castlemurphy, Dec 9: oh sorry i understand what you're asking now, that would be pretty hard to do without some major asm, i'm thinking that instead of the Pokémon evolving, you could replace the pokemon with another pokemon when it reaches that level, but that would...

7 802

Started by McPaul

ASM & Hex

I've installed CFRU, but what do I do next?

3 769

Started by The_Notorious_DS

ASM & Hex

Preventing the player from escaping from a map

MM980, Dec 1: What is your ROM hack, I would love to play it

4 906

Started by Dr. Seuss

ASM & Hex

Changing OW sprite in-game

__fred__40, Nov 30: The CFRU has a couple of vars that may help you just do that

3 449

Started by Kostas

ASM & Hex

Trouble with an ASM routine

JapaBijou, Nov 27: Oh it worked! I should work slower in order to avoid those careless mistakes Thanks for all

4 604

Started by JapaBijou

ASM & Hex

[EM] Forgettable HMs

Hexx17, Nov 25: the last poster in the op's link said that doesnt work didnt he? was he wrong?

2 1,360

Started by JordanB500

ASM & Hex

From C to ASM

spacemountaincarlo, Nov 24: Isn't that what the make files do?

1 546

Started by JapaBijou

ASM & Hex

NPCs Following the Player in Fire Red?

Fantaseed, Nov 23: Hello, thank you for sharing and making a patch this, especially since I can't install python and or devkit arm on an old computer (mine is win7 32bit). I just wanted to ask though. What are the offsets used in this patch? And is it viable to use...

8 1,442

Started by Cuprite (Kyu)

ASM & Hex

Can Someone Help Me Port This To Firered

tzx211, Nov 23: Hi all! I am new to asm but I' trying to port this from emerald to firered, i understood everything but the last two line they are in emerald offsets var_8004: .word 0x20375E0 var_800D: .word 0x20375F0 partypoke: .word 0x20244EC...

0 520

Started by tzx211

ASM & Hex

[Emerald] I'm currently researching Battle Frontier's enemy Pokémon's 510 EV check

McPaul, Nov 18: Thanks a LOT Mason I pretty much gave up on decomp and resorted on binary, now I've never been so close to be able to set it up! I love you man!

11 925

Started by McPaul

ASM & Hex

Total noob needs help to setup Dynamic Pokemon Expansion.

Aragoon, Nov 18: Hey man, thank you very much for your help. I installed Python 3.7.6 and was able to make it work https://imgur.com/MRH6c53 Thanks again for your time :)

6 1,102

Started by Aragoon

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Categories

Forcing Set Style in Ruby or Emerald

How do you clear empty space in the middle of a ROM Hack?

Is it possible to expand move table beyond 511?

[Leon's ROM Base] Shedinja Evolution

ASM routine - Music trainer classes (emerald) - HELP

Adding to the limit of Map Names in Emerald

Firered Evolution Moves

Fixing light ball code to turn into thick club and stick

pokered Add Type help

After Loading my Savegame i have a Black Screen

Help with Nature Affected Colored Stats in Fire Red

Psyshock in Fire Red

Creating a New Ability in CFRU

Need help hacking the shiny spawn rate in FireRed

A little help with pointers?

Need Help Animation Pokeball

ASM question.

Change the location of a sethealingplace variable

[FireRed] Trying to change the roamer, but confused a little

Code illiterate newbie looking to increase the damage of Type-enhancing items (Platinum)

(Concept) Changing the cap on EVs and IVs.

Gen 6 Exp All/Share In Platinum - Help please!

[Yellow] Reclaiming ROM0 space

Noob needs help, either removing features or adding them to existing IPS file.

510 EV cap on CFRU based ROMs

[FireRed] Creating new evolution items.

[Pokémon XD] Remove the 510 EV cap

Pokemon Emerald Gender Choice Box, Battle Level Text, & Pokedex Layout

Find functions for held item effects

Changing the offset where a patch is applied

How do I get rid of this mechanic, I want it gone.

Does place in a table determine the byte value a variable as listed as?

(Please, HELP!) Memory troubles!

Rom edit or ASM Advice where/how to start hacking

Link battle auto save issue.

What hex converter does FBI use in his tutorials !!!!

Byte Tutorial for Advance Map?

How to create a new behavior byte for the new field effect?

Expanding Evolution Stone Index

[Emerald] Change moveset upon evolution

I've installed CFRU, but what do I do next?

Preventing the player from escaping from a map

Changing OW sprite in-game

Trouble with an ASM routine

[EM] Forgettable HMs

From C to ASM

NPCs Following the Player in Fire Red?

Can Someone Help Me Port This To Firered

[Emerald] I'm currently researching Battle Frontier's enemy Pokémon's 510 EV check

Total noob needs help to setup Dynamic Pokemon Expansion.