Doing this with a Beagle Bros book in hand in early 80s is how I learned 6502 and made enough spare copies of games to survive the central African climate. Did

Doing this with a Beagle Bros book in hand in early 80s is how I learned 6502 and made enough spare copies of games to survive the central African climate. Didn't intend to 'crack', just needed copies to play till they degraded while the original stayed in dry sealed storage. Today I wonder -- who didn't learn assembly back then by reverse engineering games?