RetroGame Programming - Ultima-style graphics tile engine for Apple II (Part 2 - The Tile Sets)

In this video, I break down the Ultima tile sets, how they were converted from graphic screenshots into a usable data set in memory, and go over the code used to create the sets.
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A new series where I try to create a faster tile-based screen redraw engine like the Ultima series. This is intended to be primarily a tech demo and seeing if, and how, possible it might be to create a fast(er) tile draw engine. Some aspects will be built out, like basic animations and a map buffer that gets the map from disk to allow moving around, but otherwise "game" things like putting text on the screen or combat, etc will not be implemented. This is strictly designed around the screen redraw, basic movement and basic animations. I will be doing a version for Ultima 4 and Ultima 5 for testing and proof-of-concept.