You're not old if Dune 2 was your childhood. Trust me.
Vic 20 was my childhood... waits for someone else to go back further...
Another VIC-20 alum here. At the age of 10, I remember trying to write a version of Donkey Kong in BASIC and was flabbergasted when I ran out of memory before I could even get barrels rolling! Ah, the good ol' days!