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…