Changes
Z80
,It was used in the [[Commodore C128]] as a secondary processor in order to achieve [[CP/M]] compatibility. Similarly, the Acorn Z80 Second Processor expansion for the [[BBC Micro]] enables [[CP/M]] compatibility.
The best-selling devices to feature a Zilog Z80 are the [[Sega MegaDrive]] with 40 million units sold [https://segaretro.org/Sega_Mega_Drive#:~:text=The%20Mega%20Drive%20is%20Sega%27s,and%203%20million%20in%20Brazil. Source], and the TI graphing calculators with 90 million units sold [https://drive.google.com/file/d/1PshC6_lvHiBqry2ASsZ5D0AonmW01nxQ/view Source].
Although there were definitely other CPUs in use in the 1980s, the vast majority of microcomputers people had at home or at the office used either a [[MOS 6502]] (or one of its variants), a Zilog [[Z80]], an early member of the [[Intel 8086]] family, or a [[Motorola 68000]].
