Amiga rasterbars are cool -- Meet the Copper, the hardware that helps make them happen

Rasterbars are a common special effect on early computer games and demos. The Commodore Amiga's take on rasterbars are special due to the Copper, a special processor that synchronizes its activity to your monitor's image rendering hardware. Thanks to Tyrel (@tyrel@social.tyrel.dev)! * Mastodon: https://oldbytes.space/@TopazRabbit * Website: https://theindustriousrabbit.com/ * RSS: https://theindustriousrabbit.com/index.xml * Donate: https://ko-fi.com/topazrabbit --- References Documentation: * Amiga Coprocessor Docs (http://amigadev.elowar.com/read/ADCD_2.1/Hardware_Manual_guide/node0047.html) - Commodore's official documentation on the Copper Examples: * Code examples on Hackerbun (https://code.hackerbun.dev/TheIndustriousRabbit/amiga-agnus-copperbars) - The code I wrote for the example copperbars in the video, written in C * Copperbars in Assembler (http://vikke.net/index.php?id=copperbars-1) - Another description and demo for building copperbars, this one in Assembler ---