The Intel 8080A chip, introduced in 1974, is widely regarded by engineers as the first commercially viable general-purpose ...

Just six years after its founding, Intel created a milestone in the history of computing. Instead of making chips for very specific purposes, it designed a processor that could be used in any ...

There is an option to implement the parity flag in the 8080 flags register, but its operation is untested. Still, pretty impressive for a 4-bit CPU running at 740 kHz with very little memory.