Spook is doing a series on the Amiga demoscene for beginners.

Part 0 is out, describing an overview of the architecture. It's a theory-heavy post, but lays the groundwork being able to start the fun part -- creating.

The next post will be dealing with setting up dev environment for
writing in C, getting familiar with the provided tools, the debugger(s),
build system and the code structure of a typical demo effect.

Source: https://mastodon.online/@FieldFX