All peripherals and memory drawn.

Removed OR gates and let 74LS138 handle chip selection.
Memory map:
0000-5FFF = SRAM
6000-600F = CIA1
6010-7FFF = <void>
8000-800F = CIA2
8010-9FFF = <void>
A000-BFFF = BUS0
C000-DFFF = BUS1
E000-FFFF = SRAM