the recollection of hand optimizating the code to fit a 6k game on a 4k ROM is equally compelling. If you like this you should take a look at an effort to fix coding glitches in Atari games.
Someone actually took the time to dig through the binary file of E.T. the Extra-Terrestrial and fix the errors that made it an abomination of a title for the Atari 2600. This is quite a feat in ...