A Nintendo Lawyer has clearly described what the company may or may not deem illegal regarding the emulation of their ...

Koji Nishiura, Nintendo's patent attorney, weighs in on the legality of video game emulators.

Nishiura added that if the emulator also disables security measures like encryption, that could also be considered illegal.

A lawyer for Nintendo talked about how emulators are "technically" legal but gave examples of how they can violate the law.

The GameCube had a library of excellent games, ranging from first-party Nintendo exclusives ... their legally acquired ROMS to the correct folder. GameCube and Wii ROMS have the same extensions ...