Dark Forces (DOS) Rendering, Part I

I have been reverse-engineering the Dark Forces executable in order to figure out how it works, exactly, so that The Force Engine can truly be "source port" accurate. Figuring out how the AI works, player movement, collision detection, etc. is very important but this series of posts will start with rendering. These posts will talk about how Dark Forces rendering works in DOS and how the "Classic" Software Renderer works in the Force Engine (or will work as more work needs to be done there). Note that I will be showing some code snippets, these are directly from the reverse-engineered work and represent what is actually happening in Dark Forces. However, I obviously won't be showing all of the code here and instead just snippets as needed.

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