Zelda Screen Transitions Are Undefined Behaviour
It feels like programming used to be a much harder job in the past. You not only had to figure out the program logic, but you had to work within very tight hardware constraints.<p>Reading articles like this, or about the Atari and how the code would double as a sprite in pac-man, or how 3D was rendered in Wolfenstein, makes me think one had to be much more clever back then.