> We also only had one color wire available, making non trivial difficult to follow and extremely difficult to debug. This is no longer a problem today. > usi

> We also only had one color wire available, making non trivial difficult to follow and extremely difficult to debug. This is no longer a problem today. > using the most direct and shortest wire. Unfortunately, it's often not even possible! A DIP-40 chip already occupies most columns, leaving only two or three columns for wiring. Impossible to wire the bus directly...