Our new office is understandably a work in progress, I guess my question is what exactly is it I'm adding an extra half hour to my commute for?

Fixed that mistake and wrote it up. Bonus: I modeled the logic in Python and it checks out.

And first mistake: the 62256 is a 32k SRAM chip, so I need two of them and the appropriate enable circuitry.

MMS attachment

Computering... I think I have the memory management figured out.