Homebrew POKeDEX DS save reading

Frederica Bernkastel · Aug 19, 2008

Ok, I am on the PokéDex DS team, and I am wondering if someone can help with one of its more advanced features:
Reading a Pokemon Diamond/Pearl save, to find out which pokemon the user has/doesn't have. This will then auto-show all the pokemon they havn;t caught and then will allow the user to see the locations/description of the pokemon

Can anyone please help me? (I think its the right place to post...

)

Wabsta · Aug 19, 2008

Okay, I wanted to make this a little later, and actually I wanted to try it myself first

But this will make it a little more easy

arctic_flame · Aug 19, 2008

Cardme and savsender contain appropriate source for reading save games.
The pokesav development wiki ~~has~~ had all the necessary info too, but it's all in Japanese.

Frederica Bernkastel · Aug 19, 2008

arctic_flame said:
Cardme and savsender contain appropriate source for reading save games.
The pokesav development wiki ~~has~~ had all the necessary info too, but it's all in Japanese.

What happened to it?
I reeeaaally need that info

I'm thinking of attempting to decompile Pokesavefind it!
EDIT: Spelling + Grammar

arctic_flame · Aug 19, 2008

Antoligy said:
arctic_flame said:

The pokesav development wiki ~~has~~ had all the necessary info too, but it's all in Japanese.

Click to expand...

What happened to it?

IIRC, the authors removed everything after people started cheating online with modified pokemon.

Frederica Bernkastel · Aug 19, 2008

arctic_flame said:
Antoligy said:

arctic_flame said:

The pokesav development wiki ~~has~~ had all the necessary info too, but it's all in Japanese.

Click to expand...

What happened to it?

Click to expand...

IIRC, the authors removed everything after people started cheating online with modified pokemon.

Maybe if I persuaded them, they'd tell me... If I promised,

Ah well... This feature is only needed when wabsta is ready to implement this.
I'll spend the time working on this...

Jordan10la · Aug 20, 2008

nevermind

Frederica Bernkastel · Aug 21, 2008

Jordan10la said:
nevermind

*cough* Post count *cough*

Feel free to post anything, even if its ridiculous!
ANYTHING MIGHT HELP!

Wabsta · Aug 22, 2008

News on this?

Frederica Bernkastel · Aug 24, 2008

wabsta said:
News on this?

Basicly... no
I still can't figure it out.
I think that our best bet is to read to see if a value on the pokedex is complete (i.e. FFFFFF)
If so, then it skips that entry, if not, it lists all the entry (seen, male/female aren't taken into account)
but thats all a thought.

Narin · Aug 24, 2008

Check here:
http://www19.atwiki.jp/pokemon_nds/pages/54.html

Frederica Bernkastel · Aug 24, 2008

Narin said:
Check here:
http://www19.atwiki.jp/pokemon_nds/pages/54.html

Thankyou Narin!
This is LOOAADS of help! Ask Wabsta, I've been a pain the the Dev Blog ( I have a copy of everyones Pokemon saves!)
I was looking for this and it seems that the PokeSav forum, is full of people who use pokesav, not people who know how it works!
Thanks!

arctic_flame · Aug 24, 2008

Narin said:
Check here:
http://www19.atwiki.jp/pokemon_nds/pages/54.html

That is the PKM file format, entirely unrelated.

Frederica Bernkastel · Aug 24, 2008

arctic_flame said:
Narin said:

Check here:
http://www19.atwiki.jp/pokemon_nds/pages/54.html

Click to expand...

That is the PKM file format, entirely unrelated.

Its still help, at least I found the Wiki.
And now I have some idea what the stuff in hexacute is... ( i know hex, but .sav files are a mystery to me...)

Chaorain · Aug 24, 2008

I've thought about making a homebrew that would need to read pokemon sav files. I don't see any way of choosing individual pokemon in pokesav but it is probably somewhere near the rest of the pokedex modifiers, I would get a sav with the pokedex options off before editing then turn ONE on at a time and compare the original sav file and the new sav file in hex to see what changed. I would bet that the way the pokemon are stored for the pokedex would be a flag (probably two) that say if each pokemon is seen or owned. That is how it worked up through pokemon crystal at least according to monster brain (a REALLY old pokemon only action replay for GB games). Hope that helped.

Frederica Bernkastel · Aug 24, 2008

Chaorain said:
I've thought about making a homebrew that would need to read pokemon sav files. I don't see any way of choosing individual pokemon in pokesav but it is probably somewhere near the rest of the pokedex modifiers, I would get a sav with the pokedex options off before editing then turn ONE on at a time and compare the original sav file and the new sav file in hex to see what changed. I would bet that the way the pokemon are stored for the pokedex would be a flag (probably two) that say if each pokemon is seen or owned. That is how it worked up through pokemon crystal at least according to monster brain (a REALLY old pokemon only action replay for GB games). Hope that helped.

Thanks!
I waas thinking as a system that got the job done, it checks the pokedex files, and if it isn't FFFFFF for a pokemon entry (what I think the complete pokemon entry looks like) then it gives you that pokemon on the list so you can see it as a pokemon you don't have. Thenit could tell you where to find it and stuff like that!

codemonke85 · Dec 30, 2008

Can I help with this? Here are my qualifications - http://forum.pokesav.org/viewtopic.php?f=1...;p=15692#p15692 - check out the images I link to in that post.

I made a program that can read Pokémon from Diamond and Pearl saves. But my program focuses more on the actual in-game stored Pokémon... for yours, I think you should locate the Pokédex seen and caught bytes, wherever they are, in the save file.

At any rate, I'd be willing to contribute programming logic as well as whatever I know about the save file.

EDIT 2:

Hey, is this project still alive? I'd like to help.

So, I edited the article on Pokémon Data Structure in the DS, and (thanks to me!) there is a new article for Save Structure in the DS as well.

Plus, this post here will probably be useful to you.

Frederica Bernkastel · Feb 28, 2009

Although PokedexDS may be dead,
I'm trying to get PAlib and Devkitpro to work on my (horrible OS) vista PC.
When I get it working, I'll try to recreate it, as I already had a pretty good idea on how it works and fitted together.

EDIT:
codemonke85, thanks for your help, you interested in joining our team when we decide what/how to do?

codemonke85 · Mar 2, 2009

Well, I know squat about coding for the DS, but I do know roughly everything you need to know in order to read a DP save file. As a matter of fact, the PC applications I've written to read the save file are more accurate than Pokésav, for reasons I will also explain when the time comes.

So I guess joining your team really means explaining quite a bit of information.

At any rate, let me know when you need me / what you need.

By the way, here is my latest project - http://forum.pokesav.org/viewtopic.php?f=1...p;t=2617#p19882 - and here is a pic - http://i162.photobucket.com/albums/t257/co...S_Box_New_1.png. I haven't begun on reading Pokédex data yet, but I have the information I need to do it (somewhere).

Homebrew POKeDEX DS save reading

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