I first built my computer using low quality breadboards and a lot of wires, which I tried to keep as tidy as possible, without success ;-) I designed a PCB in K

I first built my computer using low quality breadboards and a lot of wires, which I tried to keep as tidy as possible, without success ;-) I designed a PCB in KiCAD and got 5 of them delivered a week ago. Sooo much better :-) I wonder how the FAP80 was prototyped?