Nintendo use emulator?

ToxBox

Power Star
How Nintendo have perfect aligned photo of DS and 3DS games? do they use emulator or something?
 

Dark Light

Cherries and Berries
First, what do you mean by "photo"? Second, I'm pretty sure that "emulator" isn't the correct vocabulary.
 

YamiHoshi

Nintendo 3DS Developer
They use private software, with a combination of specific hardware, connected to either a PC or TV.
For a DS, the hardware is called "IS-NITRO-CAPTURE" (a blue box with a DS connected to it), and the software is called "IS-NITRO-EMULATOR", inputs can be either a mouse, or the Nitro's Touch Screen.
For a DSi, the hardware is called "IS-TWL-CAPTURE" (a red box with a DSi connected to it).
For a 3DS, the hardware is called "PARTNER-CTR Debugger/Capture".
All of them are available to developers and specific (big) press media only.
Developers have to pay up to 3000 Euro's to keep it, press borrow them for free, for a limited time.

IS-NITRO-CAPTURE: http://www.youtube.com/watch?v=nL9n3Mf7Mok
IS-TWL-CAPTURE: http://tinycartridge.com/post/262597308/developers-taking-their-game-up-and-down-the
PARTNER-CTR Debugger/Capture: http://www.dshack.org/forum/index.php?/topic/336-nintendo-3ds-development-kits/
 
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