I was just looking through the schematics of the Kenbak-1 computer (long story), and I found this:
simulate this circuit – Schematic created using CircuitLab
I hurt my brain a little bit trying to figure out what that flip-flop does, but mostly why those two NAND gates aren't just inverters... and why the one on the bottom (and the inverter next to it) are even there.
What's the point?
(Note: I haven't had my coffee yet.)