The 8-bit Z80 microprocessor has been a popular choice for early computer designs and continues to see some use in embedded systems today. When I was 14 years old, my Dad purchased a Commodore 128 as an upgrade to our C64, which contained both a 6510 and a Z80 microprocessor. In the 128, it was intended to be used as a platform to run CP/M, an OS intended for business computing, which the C128...