Win3x.Org

In the past, even before the 8086/8088, there were the 8080, 6800 and 6502. The personal computing started with these processors.

These CPUs were typically designed by small teams, composed of only two or three persons.

Someone made the 6502 diagram ; you can download it below

Internal link (703 Ko) Clics : 58

Each symbol represents a FET transitor, itself composed of two silicon wafers (first with positive ions, second with negative ones). In short, a FET transitor is a sort of relay used in numerical circuit

What's its release date?

The same era than Apple II : mid-to-late 1970s

I own an oric-1 with its 6502 processor. Although that system now runs hot, it still works!!!

That processor looks quite simple