The prototype was constructed using point-to-point soldering with 30-ga wire wrap wire. It was all done under the inspection microscope. There are not many connections, but they are rather tedious so I can only do a dozen or so wires per session. It took me 2 days and several hours total to finish the prototype board.
Picture below shows the data bus wired.
Picture below shows address and data buses wired
Picture below shows all connections wired, top view.
Picture below shows bottom view of the completed prototype
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