Back in the 80s Hudson developed the HuCard format based on their earlier Bee card format. They approached NEC with it and together they created the PC Engine (

Back in the 80s Hudson developed the HuCard format based on their earlier Bee card format. They approached NEC with it and together they created the PC Engine (know as the TurboGrafx 16 in the US). http://www.videogameden.com/article.htm?hu http://www.videogameden.com/article.htm?hu