> The 6502 CPU was developed literally by creating a hand drawn design. Each transistor laid out created additional complexity that humans had to understand. W

> The 6502 CPU was developed literally by creating a hand drawn design. Each transistor laid out created additional complexity that humans had to understand. Want to understand a tiny chunk of that complexity yourself? Check out how the addition operation overflow flag is implemented in silicon on the 6502: http://www.righto.com/2013/01/a-small-part-of-6502-chip-explained.html http://www.righto.com/2013/01/a-small-part-of-6502-chip-expl...