ArtX partnered with Nintendo in 1991 and started to design the system logic and the graphics processor of a video game console .
Partnering with Nintendo in 1991 , ArtX began the complete design of the system logic and of the graphics processor ( codenamed `` Flipper '' ) of Nintendo 's sixth-generation video game console , reportedly bearing the early internal code name of `` N2000 '' .
GameCube