mercoledì 25 agosto 2010

[DS] Esecuzione di homebrew in DSi Mode Riuscita!

Dave J Murphy l'anno scorso scoprì due exploit per i giochi "DSi Hibryd" Cooking Coach e Classic Word Games ma non riuscì a sfruttarli per bucare la console. Oggi invece Dave ha rilasciato DSi Link, un homebrew che ci permette l'upload di homebrew sul nostro DSi tramite l'utilizzo della connessione Wi-Fi. Per fare ciò abbiamo bisogno di:

  • Un Nintendo DSi/DSi XL

  • Una copia originale di "Cooking Coach" o di "Classic Word Games"

  • Una Flashcard DSi

  • L'homebrew Eepinator od un metodo come il NDS Adapter per trasferire salvataggi su una cartuggia originale.

Ma c'è anche una brutta notizia che viene evidenziata dal readme: alcuni degli ultimi DSi prodotti presentano delle modifiche di sicurezza che non permettono l'esecuzione del codice in questione. Quindi non a tutti l'homebrew potrebbe funzionare. Inoltre questo homebrew può invalidare la garanzia e potrebbe arrecare danni alla vostra console, noi non ci assumiamo alcuna responsabilità! Di seguito il readme dello sviluppatore:


dslink is a simple and effective method to transfer homebrew games and applications to your DS(i) over wifi. Simply run dslink.nds on your DS console, wait for it to connect and use the command line dslink host tool to send an nds file.
	dslink [-a ip address] <ndsfile>

The dslink host uses UDP broadcast messages to discover your DS but this won't work for some people due to routers either not passing on these packets or sending them at a speed the DS can't read. If you get "No Response from DS!" then try specifiying the ip address of your DS with the -a switch.

DSi mode

Here's the part most people will probably be interested in, homebrew running in DSi mode.

While playing around with the save game exploits for Cooking Coach and Classic Word Games I created last year I discovered two things about the flashchip on the wifi module where the firmware would be stored on a normal DS. (1) It contains only the setup data for wifi, the user settings and the wifi connection settings and, (2) Part of it is writable, from DS mode. This was what finally gave me the motivation to revisit an old project to upload homebrew to the DS over wifi.

installDSiLink.nds will, when run from a DSi compatible card in DS mode, write the dslink client to the wifi flash chip and this can then be bootstrapped from the save game exploits mentioned above. You'll need to write the appropriate .SAV file from this archive to your game of choice from either a DS with eepinator or use one of the save game transfer devices around. Cooking Coach is more convenient since the exploit kicks in just after the splash screen, with Classic Word Games you need to go through a couple of menu options.

Unfortunately testing revealed that later model DSi and XL consoles have had their security beefed up a little. You'll know if you have one of these consoles if either the installer fails to write the loader or the loader fails to connect when bootstrapped. Sorry if you have one of these consoles, you'll have to wait a little bit longer to play with DSi mode.

libnds still needs some more updating to deal with DSi mode features, currently audio and touchscreen don't work and the swi decompression functions seem to have changed. Hopefully now there's a reasonably straightforward way to run code we can get a few more people looking at what we need to change and how best to approach it.

Archive Listing

  • README.html - this file.

  • VCKE.SAV - save game for Cooking Coach, US version.

  • VCKS.SAV - save game for Cooking Coach, Spanish version.

  • VCKV.SAV - save game for Cooking Coach, UK/EU version.

  • VCWE.SAV - save game for Classic Word Games, US version.

  • VCWV.SAV - save game for Classic Word Games, UK/EU version.

  • installDSiLink.nds - writes the wifi loader to the wifi flash chip on DSi.

  • dsilink.nds - DSi version of the wifi upload client.

  • dslink.nds - Standard DS version of the wifi upload client.

  • host/osx/dslink - host application compiled for Mac OSX, 10.4 universal binary.

  • host/windows/dslink.exe - host application compiled for windows

  • host/linux-x86/dslink - host application compiled for 32bit x86 linux

  • host/linux-x86_64/dslink - host application compiled for 64bit x86 linux


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