Thanks for the reply Okay, I will definitely report this bug.

Well, after googling alot, I stumbled upon this info -

I've figured out how to make the migration option to appear when using DeSmuME (current v0.9.4). As you probably know this emulator supports GBA-NDS linkage since some builds ago. However it was not working for Pokemon D/P/Pt so far. Migration is still NOT possible though (save corruption message), but you get the benefits of 'dongle method' (depending on 'inserted' GBA ROM you get additional pokemon in-game).

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1. Both the DS and GBA had great libraries, but a lot of third-party DS games weren't all that enjoyable and first-party games were pretty much the bulk of the good ones. The GBA slot was also one of.
2. Hi everyone, First off, I would like to thank you for making a great DS emulator. Okay, I know it's not possible to transfer pokemon from Pokemon GBA games (Emerald, Ruby, Sapphire, FireRed and LeafGreen) to Pokemon D/P/P games thru Pal Park because DeSmuMe only reads GBA roms, not save files (GBA Slot).

I look forward for cory1492 comments/suggestions. It seems just a matter of a better/proper FLASH save access support on the emulator itself to be able to interact with the GBA sav on the HD. But I lack the required tech knowledge to 'describe the problem'.

I've only tested with Pokemon D/P ENG (ADAE/APAE, US or EUR, it doesn't matter)

Requirements:

Nintendo DS/GBA Games and Accessories Lot: Condition: Used. Ended: Sep 22, 2020. Winning bid: US $24.99. Two Gameboy Advance Game Card Slot inserts.

1. NDS BIOSes (both ARM7 and ARM9 dumps)

2. NDS save which allows migration (you have the National Pokédex and are able to enter Pal Park)

3. NDS ROM patched with Pokepatch v4.2 by cory1492 -->OR<-- clean D/P/Pt ENG ROM + 'Dongle Method Only' AR code by cory1492 (see below)

How to:

1. Go to 'Config->Emulation Settings'. Enable 'Use external BIOS images' and browse for your ARM7 and ARM9 dumps. Enable 'Emulate SWIs using BIOS images' (not strictly required, but it won't harm).

2. Go to 'Emulation->GBA slot'. Select 'GBA game' and browse for your clean GBA ROM of choice (R/S/E/FR/LG). Remember that: migration requires that GBA ROM language matches that of the NDS ROM. However dongle method works for any language combo. Ideally you should also have a proper GBA save (128 kB) named like the GBA ROM, but as I've said, on accesing the migration option you get a save error anyway (lack of proper GBA FLASH save access emulation).

3a. Load your patched NDS ROM -->OR<--
3b. Load clean D/P/Pt ENG ROM, wait for the titlescreen, pause emulation, go to 'Emulation->Cheats->List' and enter the following AR code

020DC50C E3A000C2 020DC500 E3A00009 (for D/P ENG)
020D1564 E3A000C2 020D1558 E3A00009 (for Pt ENG, NOT tested)

After entering the AR code you have to *reset* and unpause emulation.

The 'Migrate from R/S/E/FR/LG' should appear now. As I said you can't migrate yet (GBA corruption error), but corresponding dongle pokemon are now available.

More Dongle-Only AR codes are required for JPN/FRA/GER/ESP/ITA/KOR versions, so Pokepatch should be the way for them (maybe cory can disclose those AR codes). However from the emulation point of view the save access patching applied by Pokepatch should not be required, but only better/proper emulation support for GBA FLASH save access on DeSmuME.

CREDIT: KAZUMI213 for figuring out how to get this 'dongle method' working on DeSmuME 0.94v.
SOURCE:

Screenshots:

It is not possible to migrate pokemon from LeafGreen/FireRed/Emerald/Ruby/Sapphire to D/P/Platinum:

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Dongle Method works perfectly

LeafGreen

Emerald

FireRed

Last edited by spectreMonkey (2009-09-16 08:11:03)