Full disclosure: [Óscar] isn’t nine now, but he was in 1988 when he wrote LOCS, a drawing program in Z80 assembly modeled after Logo. You can see a demo of the system in the video below. You might ...
The ZiLOG Z80 is a 8-bit microprocessor made and sold by ZiLOG from July 1976 and is one of the most popular microprocessors that a whole generation of electronics and programmers has grown up with.