schematics: no more 40-pin expansion socket.
schematics: 6502 has 2 caps, not 3.
schematics: parts auto-renumbered.
schematics: memory mapping by 74HC00 and 74HC138.
schematics: README describes logic chips, timing.
schematics: 28C256 symbol with ZIF-package device in library.
schematics: 28C256 ROM with HI/LO jumpers on A13, A14.
schematics: rearranged; memory mapping bottom right, PSU bottom left.