The ColecoVision console, Nintendo’s Game Boy, the Sega Genesis and several arcade games - Frogger , Galaga , and even Street Fighter 2 have one very important thing in common: They all use the Zilog Z80 processor. The Z80 processor was designed in 1976 to compete with Intel’s classic 8080 chip, the predecessor to the chips that most people have in their computers today. The Z80 was easy to program for, compared to other processors of the day, but more importantly, it was cheap and relatively