Programming the Atari 2600, and Me - Part 7

Tao Te Ka-Ching ― The last post promised a discussion of collision detection.  Well, actually the last Atari-based post was regarding a portable Windows solution for 2600 development.  The Atari-centric post before that was a script for setting up a Linux-based 2600 development environment.  But before that, I'd promised collision detection, and now, here 'tis... Collisions on the 2600 are extremely simple to conceptualize as well as handle.  A collision occurs when one object is drawn over another.  More[...]