Pong Wars on the Commodore 64

This post was first promised in early 2024[0]Pongwars on the C64, @Two9A, Feb 22nd 2024, but it got so long, I added a table of contents. That might be a first... Introduction Before we get started Digression: Building a C64 disk image The game loop: Movement calculations Digression the second: Representing negative numbers After movement comes positioning An element of chance The playing field Keeping score Digression the third: Binary long division Rendering the score Future considerations Footnotes and citations One day early in 2024, I was idly flipping through Mastodon when I came across this toot by Koen van Gilst[1]Pongwars recreated in JavaScript, @vnglst, Jan 2024: Figure 1: The toot by @vnglst that sparked the descent into madness currently under discussion This is a depiction of an eternal battle between the "day" ball and the "night" ball, to reverse the colour of the opposite ball's field. Many were transfixed, judging by the thousands of faves; I was one of them, and the…