The Intel 8085 microprocessor was introduced 40 years back, and along with its contemporaries — the Z80 and the 6502 — is pretty much a dinosaur in terms of microprocessor history. But that doesn’t ...

Guest author Ken Shirriff is a Silicon Valley-based computer enthusiast who enjoys reverse-engineering old chips and restoring classic equipment such as the Xerox Alto. Shirriff wrote the Arduino ...