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Research: Pokemon data decrypting (asm code)

ah I have been trying for two days now on taking the info from bublipidia and no go. can you be a bit more descriptive on what I should do. Thanks~
 
Oh God, I am so stuck. How do you actually use these? XSE? Hex editor? please halp... I am trying to make a script to change arceus/rotom/giratina/deoxys etc forms without going through evolutions. If anyone can help, I would be forever grateful
 
JPAN said:
I can't seem to find a way to add an attachment in my first post, so here is the file with the code compiled.

Use: open up in hex editor, find the line where the character part says it starts, and copy from that line up to the one filled with FF (both codes should end in bd, no more after that)

Edit: an error in the file, where it is written "decryption code starts at 0x1b0" should read "encryption code starts at 0x1b0".
And on the edit button, I see no way to manage attatchments, so... I'm sorry.
Click to expand...

This resouce has sooo much in it, but for some reason, everything gave me bad eggs. Most of the people who know ASM have probably already figured this out, but no one actually posted what the solution was. For anyone who used JPAN's compiled decryption/encryption, the problem was actually quite simple: there was another typo, the line "encryption code starts at 0x1b0" should read "encryption code starts at 0x1a0". This may seem quite simple, but it left me stuck for almost 4 hours:D until I gave up and just converted the entire document to ASM instructions and realized I had the wrong starting point.

I hope this helps anyone looking to add some cool new in-game Pokemon editing to their hacks!
 
Hm, does anyone know how I could change the gender and nickname of a Pokémon?

I've got everything else to work but I'm not quite sure what I'm doing for that.
 
Spherical Ice said:
Hm, does anyone know how I could change the gender and nickname of a Pokémon?

I've got everything else to work but I'm not quite sure what I'm doing for that.
Click to expand...

Gender is linked into the PID. this thread just deals with unencryting the Data section which was XOR'd with the PID word by word. I've wanted to know this too. Let me take a look at how the PID is set up. the coding here should proove useful as it resets the checksum which is necessary for any PID changes.

edit: I didn't read through this completely yet, but it should be useful: https://bulbapedia.bulbagarden.net/wiki/Personality
 
Spherical Ice:
Okay, so I know that you have to set the fourth byte of the Pokémon's PID to 0xFE to make it female. I have no idea what I do with this information D:

I still don't understand ASM despite the tutorials I've read.
 
Spherical Ice said:
Spherical Ice:
Okay, so I know that you have to set the fourth byte of the Pokémon's PID to 0xFE to make it female. I have no idea what I do with this information D:

I still don't understand ASM despite the tutorials I've read.
Click to expand...

Well, the decryption routine and the encryption routine will recalculate the checksum, so if we use those and then in between them, we change the last (first? Reverse hex, or is it already reverse? IDK) byte to 0xFE, it should work.

To accomplish this, you would just load the offset of the byte you want to change into r0 and then 0xFE into r1 and then strb r1, [r0]. Fairly simple, if you understand it.:p Hit me up on MSN sometime and I might be able to help you understand it better.
 
I'm a bit an old fashioned pokemon gamer. I really love the firered remake and the abilities, but i'm not very fond of the natures system. I want to give all (gifts/wild/trainerbattle) pokemon the docile nature (in other words, use the normal stats they had in red/blue). i guess some ASM is required when the pokemon is generated, has anyone looked into this so far or do i start from scratch?
 
Hi,

I have a little problem with the decryption code.
I use the code in the emerald version and it works fine but there is still one problem:
the four blocks of the pokemon substructures don't have the order they should still have. It is every time a different order which makes it impossible to me to change data like happiness.

I wonder how could this work for other people who posted in this thread.
I only had changed the addresses of the party and the var 8004 to make it work for my language version of emerald.

Can someone help me please?
 
Hey. Do you know how to add Rotom and all of its forms? I was told that it was only possible through ASM. I don't feel right asking for its code or something, but could you tell me what I have to code into the game? I understand HEX though (I use HEX Workshop if there's any difference in programs) and from what I see, ASM is just flipped HEX. Can you help me out?
 
Ethanb900 said:
Hey. Do you know how to add Rotom and all of its forms? I was told that it was only possible through ASM. I don't feel right asking for its code or something, but could you tell me what I have to code into the game? I understand HEX though (I use HEX Workshop if there's any difference in programs) and from what I see, ASM is just flipped HEX. Can you help me out?
Click to expand...

https://www.pokecommunity.com/threads/299696

You need to read this.
 
JPAN said:
Erasing all EV's
This last code receives nothing and returns nothing, changing only all EV's to 0.
Spoiler:

Ready version
Spoiler:
Click to expand...

Sorry for bumping, but does someone knows how to use this correctly?
I thought it would be as simple as to put the "ready version" in a free offset, and then, that offset +1 would be the field usage of an item, but i was completely wrong since it's not working that way >_< ...
I hate how hard to understand the ASM is >_<
 
Lunos said:
Sorry for bumping, but does someone knows how to use this correctly?
I thought it would be as simple as to put the "ready version" in a free offset, and then, that offset +1 would be the field usage of an item, but i was completely wrong since it's not working that way >_< ...
I hate how hard to understand the ASM is >_<
Click to expand...

You don't use this at all. You should use the built in functions that handle this all for you.
 
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