So, I'm curious about the Intel aspect of this. . . The 8-bit Z80 microprocessor was designed in 1974 by Federico Faggin as a binary-compatible, improved version of the Intel 8080 with a higher clock ...

The Zilog Z80 is an 8-bit microprocessor that first hit the market in the 1970s. It was the beating heart of classic computers like the Sinclair ZX Spectrum and the TRS-80, as well as game consoles ...