Action Replay DSi

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Action Replay DSi
Developer: Datel Publisher: Datel Platform: Unlicensed Nintendo DS Released in US: October 2009 Released in EU: October 2009 This game has debugging material. This game has unusual dummy files.

Action Replay DSi is an upgraded version of Action Replay DS including (obviously) DSi support and DSi-enhanced game support, such as Pokémon Black and White. It's also the last traditional Action Replay to be made: the Nintendo 3DS only received a PowerSaves revision, and the Wii got a license key for a web application that immediately became obsolete when (free) homebrew received AR code loading before it even released.

It was discontinued fast, to say the least.

Game & Watch Collection

On a standard Nintendo DS or Lite, the Action Replay will just show itself as Action Replay DSi for the banner. However, on a DSi, it uses the Game & Watch Collection banner instead. This is needed to bypass the signature verification found on the DSi; on a DSi the cartridge initially pretends to be Game & Watch Collection (returning hardcoded data if it detects that it is being read by the DSi menu) and then later tricks it into booting the Action Replay code by returning different data when the menu reads from the same location multiple times while only verifying the data once.

(Source: blasty on Hackmii)

Erase all data

If you press L + R + A + B + X + Y at boot, a message will pop up to delete all data. If you say no, the Datel screen will have graphical glitches.

Debugging Screen

To do: Footage of this.

If you press L + R + A + B + X + Y at the Datel screen, both screens will turn cyan, then two lines will pop on the top screen. The lines will turn from cyan, to blue, to flashing white and pink to a random color. A dark green that switches to light green square will also appear on the bottom-left of the screen. On the bottom screen, the hardware version, software version, read retries, flash IDs, SD sectors, 1st checksum and flash checksum will appear.