How did they actually make NES games? By that I mean, what types of computers were they using for creating NES games? Other 6502-based computers? Could they run the NES games on there? Or did they have to burn to a cart to test things every time?
How did they design graphics? Was it basically graph paper, which then they translated into sprites by hand?
How did they design graphics? Was it basically graph paper, which then they translated into sprites by hand?