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.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.