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 Z80, 180, and 380 processor families represent three generations of upward-compatible µPs. The Z80 includes 150 instructions, many of which have numerous variants for operand location and ...

Toshiba's TLCS-90 incorporates the basic Z80 instruction set in an 8-bit µC with various peripherals. Unlike the Z80, which is a µP, the TLCS-90 can execute code from on-chip ROM and RAM. The µCs ...