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Binary ROM Hacking icon

Binary ROM Hacking

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

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

Binary Hack Research & Development

Code ASM Resource Thread

2 Days Ago by DjTarma

Binary Hack Tutorials

Add Snow Warning Ability and...

1 Week Ago by Slark123456789

ASM & Hex

[Fire Red] Lift 510 EV limit for vitamins offsets

McPaul, Jul 2: Hello! I need some little help to finish my mod please. Like said in my title, I'd like to know the offsets in Fire Red to lift the 510 EV limit for the vitamins. I can do it with pokefirered, but I want to do it in the French version of...

0 154

Started by McPaul

ASM & Hex

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

Axcellerator, Jun 28: I know it's been a long time since this post but did you manage to figure it out?Cause I also want a Gen 6 Exp Share

2 2,894

Started by YokoSays

ASM & Hex

510 EV cap on CFRU based ROMs

Yave Yu, Jun 16: Oh yeah, I decided to install CFRU manually, and generate two ROMs, one is EV 510, another is EV 1512, then compare them. https://s1.ax1x.com/2022/06/16/XHqL5j.png It blows my mind, it's not like vanilla one that use somehow 01FD to compare...

17 3,801

Started by McPaul

ASM & Hex

Changing Move Names In HGSS

DeannThunder, May 4: I'm making a SoulSilver rom hack and have replaced some moves with other ones, Does anyone know how to edit the move names to reflext the new ones or where to find the names located in the directory?

0 227

Started by DeannThunder

ASM & Hex

Check if flag is true or false

Anon822, May 1: I don't think ORAS hacking is at the point where documentation for the scripting system/flags exists.

2 273

Started by shulia

ASM & Hex

Porting the FireRed Phys/Spec Split to V1.1

Tacobell24, Apr 17: I asked just for context. Since it seemed like an unusual request. I think there's a tutorial on adding the PSS from scratch somewhere. If you can find the offsets in 1.1 that correspond to the ones of 1.0 you should be able to apply it without...

3 372

Started by Foxes

ASM & Hex

HEX Maniax changing Abilities

TheRealBothi, Apr 5: Hello everybody, i stumbled across a "bugg" (???) and i dont know how to fix or change it. I am pretty sure, that i am the one who messed up here and that there is nothing wrong with hex maniac. I would be really thankfull for any kind of...

0 378

Started by TheRealBothi

ASM & Hex

Remove Hero Naming Sequence (FireRed)

Huntzman, Feb 19: I'm trying to remove the naming sequence from Fire Red rom, having it just use the default name instead. I'd like to keep the rest of the intro as I have custom text and graphics already in place, I'd ideally just like a way to skip that specific...

0 439

Started by Huntzman

ASM & Hex

Change met level (FireRed binary)

SmithEnigma, Feb 9: Hi all, I want to make it so that although you receive an omanyte at level 15, it has a backstory where you've had it since level 5, and as such, it's met level would be level 5 when you start the game. any way to do this?

0 360

Started by SmithEnigma

ASM & Hex

Need help compiling the Dynamic Pokemon Expansion

throwiethecount, Jan 27: I was following the tutorial link below and it worked for CFRU. https://youtu.be/542jj04YZPE However when I went to do the same thing for DPE, I keep hitting this error: " The system cannot find the file specified" despite the files being...

0 376

Started by throwiethecount

ASM & Hex

In pokecrystal, where are the fight calculations stored? (exp., damage, etc)

Anon822, Jan 18: Damage is calculated here and experience is calculated here. Generally you can find code by searching for words that might be related to the code like exp or damage.

1 475

Started by d4rk

ASM & Hex

Pokemon species

feight0, Jan 13: Thank you for your response. I was making another function but I thought maybe starting with something ez to learn ASM was better. Didn't know there was already a function.

2 553

Started by feight0

ASM & Hex

Completely new to hex stuff -- How do you know what hexadecimal bytes do in-game?

wcbvei234, Jan 8: So I wanted to find out where in my Fire Red 1.0 ROM I can find Oak's New Game introduction sequence so I could delete some stuff he says. Using Advance Text's delete feature didn't remove those lines from the game, just from the interface of AText,...

0 534

Started by wcbvei234

ASM & Hex

Set only mode in Emerald

LCCoolJ95, Dec 22: I wanted to make my game a little tougher and make it set only, regardless of whether shift or set is selected in battle style. I couldn't find much on it, so if someone could give me a link or a location in the ROM, that would be great.

0 529

Started by LCCoolJ95

ASM & Hex

Asm that calls script

ScripNewbie, Dec 13: Does somebody know what asm that calls a script, i mean asm that calls a script and not script that calls asm. Solved: Thanks to FBI! Code:

0 383

Started by ScripNewbie

ASM & Hex

Adding new trainer to pokeyellow

Pipilson, Nov 26: I've made a rom hack of yellow, and for the post-game i wanted to add some trainers you can rematch as many times as you want. I was able to make a new map where those trainers are located, warps are working with no issues. I added npcs to the room...

0 445

Started by Pipilson

ASM & Hex

Item images appear when added to bag please if anyone could give me a patch as the following error

Luke111, Nov 8: @everyone

1 536

Started by Luke111

ASM & Hex

Pokemon FireRed: How to Edit Move Index 355

robertussan, Nov 3: Hey all, I'm trying to add new moves into Pokemon FireRed, and I'm running into a weird issue. I'm following the tutorial here. I figured I'd go ahead and add the max number of moves you can do manually, which is what the tutorial does. I've...

0 475

Started by robertussan

ASM & Hex

'Safe' Free Space Emerald

dearman4, Oct 22: At least that's useful info lol thank you

4 678

Started by dearman4

ASM & Hex

Some question that I couldn't search here

Yave Yu, Oct 16: Nobody help me? I cry Seems I can only find them by myself. Decryption: Just modify two more bytes at 4C13C (FR) or 76CD6 (EM) into 00 00, the bag will completely decrypted.

1 608

Started by Yave Yu

ASM & Hex

Does anyone know how to modify level cap on CFRU based hack?

Mahian23, Oct 12: Increase the level cap at both config.H and another C file (I forgot the name). You're good to go.

3 961

Started by Yave Yu

ASM & Hex

How to make HMs forgettable in FR?

Mahian23, Oct 2: I Recommend Using CFRU To do that.

1 653

Started by Ling888

ASM & Hex

Expanding trainers in pokemon emerald

Zeta Sukuna, Sep 23: An Update: I finally understand that I misread what the purpose of that code SBird wrote was, however when attempting to apply it, it seems to not work. While the proper code DOES exist within Emerald, it simply ends up looping the battle rather...

1 744

Started by Zeta Sukuna

ASM & Hex

Pokenav in Fire Red?

Mahian23, Sep 19: Is there a way to make a item in Fire Red that can be used as Pokenav from Emerald? I saw something like that in Pokemon Sors. So, I was wondering if anyone can give me the routine/script to make one.I'll be sure to give you credit.

0 468

Started by Mahian23

ASM & Hex

Hex editing in pokemon GB (French Yellow) - Pointing to a different sprite or text.

Asith, Sep 15: Don't know anything about GB hacking personally, but it's probably safe to assume that like the GBA, it's a little endian device. This means hex is written in reverse byte order. You wouldn't write 098000 but 008009, for example. Try searching for...

1 470

Started by CharlieOwlie

ASM & Hex

Trainer flags and expanding the trainer table

DarkMadman_69, Sep 6: I've been working on my hack and I'm wanting to double the amount of trainers in my hack to 1,486. It's the trainer flags concept that I can't figure out. I understand regular flags but not trainer flags. I read this tutorial here but I can't figure...

0 516

Started by DarkMadman_69

ASM & Hex

Is there a COMPLETE and documented list of the status condition data in Generation 3?

ThomasWinwood, Sep 6: The pret repos have symbol files available in a branch, so you don't need to hunt for the other status fields. gBattleMons at 0x02024084 has the in-battle status fields (STATUS1 for nonvolatile, STATUS2 for volatile). gStatuses3 at 0x02024C98...

8 982

Started by ShinyIksbat

ASM & Hex

(Concept) Changing the cap on EVs and IVs.

uchihamadada, Aug 24: Did you finally manage to do that?? I want to apply that to my Fire Red Rom

14 3,752

Started by BirdstarCat13

ASM & Hex

How can i increase the total number of trainer sprites on a emerald rom hack.

Hotshot552, Aug 17: I didn't know that was a thing lol, I'm still pretty new at this so that's going to help, Thanks.

4 668

Started by Hotshot552

ASM & Hex

Hex editor help required

Asith, Aug 9: https://github.com/haven1433/HexManiacAdvance/releases/download/v0.4.2/HexManiacAdvance.0.4.2.debug.zip Or join the hexmaniacadvance discord

3 552

Started by APPro0744P

ASM & Hex

How to change Surf Flag in CFRU

GriloKapu, Jul 24: After 3 days trying to find it, i finally found. In the Hex editor find the Hex values: 10 B5 04 20 FF F7 E6 FF 10 BD 10 B5 00 20 FF F7 E1 FF 10 BD change the XX for the number for the badge you want: 10 B5 XX 20 FF F7 E6 FF 10 BD 10 B5 00 20 FF...

1 668

Started by GriloKapu

ASM & Hex

Problem with DNS Day Night and Season

baraka2905, Jul 2021: my problem is that the DMS is not working for me. I downloaded fire red 1.0 and installed RTC, seasons and DAN and finally I went to "tools" and DNS extensions and also installed RTC. I opened the emulator and the Real time clock turned on, it's...

0 356

Started by baraka2905

ASM & Hex

Forcing Set Style in Ruby or Emerald

squirtleboylove, Jun 2021: Thank you so much! That did the trick.

3 728

Started by squirtleboylove

ASM & Hex

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

Marky Vigoroth, Jun 2021: 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!!!

4 977

Started by Marky Vigoroth

ASM & Hex

Is it possible to expand move table beyond 511?

ortz3, May 2021: 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...

0 712

Started by ortz3

ASM & Hex

[Leon's ROM Base] Shedinja Evolution

Meister_anon~Master_o f_None, May 2021: I can confirm it does work for both cfru and normal game.

16 3,220

Started by Blackforest

ASM & Hex

ASM routine - Music trainer classes (emerald) - HELP

Ryurs, May 2021: 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...

0 670

Started by Ryurs

ASM & Hex

Adding to the limit of Map Names in Emerald

ZeoYT, May 2021: 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,...

0 544

Started by ZeoYT

ASM & Hex

Firered Evolution Moves

Meister_anon~Master_o f_None, May 2021: 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.

3 767

Started by HustlerJim

ASM & Hex

Fixing light ball code to turn into thick club and stick

partys over, May 2021: 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...

0 735

Started by partys over

ASM & Hex

pokered Add Type help

ContentlyForlorn, May 2021: 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) ->...

0 565

Started by ContentlyForlorn

ASM & Hex

After Loading my Savegame i have a Black Screen

Anon822, Apr 2021: 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.

1 749

Started by CerberusRex

ASM & Hex

Help with Nature Affected Colored Stats in Fire Red

CarpetPalmtree, Apr 2021: 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...

0 741

Started by CarpetPalmtree

ASM & Hex

Psyshock in Fire Red

tzx211, Apr 2021: 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:...

0 659

Started by tzx211

ASM & Hex

Creating a New Ability in CFRU

Anon822, Apr 2021: 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 1,566

Started by Cordy58

ASM & Hex

Need help hacking the shiny spawn rate in FireRed

Anon822, Apr 2021: This topic is covered in more detail here: https://www.pokecommunity.com/showthread.php?t=409670

2 1,820

Started by BirdstarCat13

ASM & Hex

A little help with pointers?

_FyreNova, Mar 2021: 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.

1 518

Started by _FyreNova

ASM & Hex

Need Help Animation Pokeball

Super Versekr Dark, Mar 2021: 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: ...

0 676

Started by Super Versekr Dark

ASM & Hex

ASM question.

Meister_anon~Master_o f_None, Mar 2021: 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.

0 530

Started by Meister_anon~Master_o f_None

ASM & Hex

Change the location of a sethealingplace variable

Mr. Jupiter, Mar 2021: 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 2,373

Started by Scarlet D.

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Categories

[Fire Red] Lift 510 EV limit for vitamins offsets

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

510 EV cap on CFRU based ROMs

Changing Move Names In HGSS

Check if flag is true or false

Porting the FireRed Phys/Spec Split to V1.1

HEX Maniax changing Abilities

Remove Hero Naming Sequence (FireRed)

Change met level (FireRed binary)

Need help compiling the Dynamic Pokemon Expansion

In pokecrystal, where are the fight calculations stored? (exp., damage, etc)

Pokemon species

Completely new to hex stuff -- How do you know what hexadecimal bytes do in-game?

Set only mode in Emerald

Asm that calls script

Adding new trainer to pokeyellow

Item images appear when added to bag please if anyone could give me a patch as the following error

Pokemon FireRed: How to Edit Move Index 355

'Safe' Free Space Emerald

Some question that I couldn't search here

Does anyone know how to modify level cap on CFRU based hack?

How to make HMs forgettable in FR?

Expanding trainers in pokemon emerald

Pokenav in Fire Red?

Hex editing in pokemon GB (French Yellow) - Pointing to a different sprite or text.

Trainer flags and expanding the trainer table

Is there a COMPLETE and documented list of the status condition data in Generation 3?

(Concept) Changing the cap on EVs and IVs.

How can i increase the total number of trainer sprites on a emerald rom hack.

Hex editor help required

How to change Surf Flag in CFRU

Problem with DNS Day Night and Season

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