https://www.youtube.com/watch?v=sttm8Q9rOdQ
There are currently 3 parts to the series, and it is an interesting overview of the genre.
- https://filthypants.blogspot.com/2017/01/shaders-for-sharpes...
- https://jorenjoestar.github.io/post/pixel_art_filtering/
"dos-like is a programming library/framework, kind of like a tiny game engine, for writing games and programs with a similar feel to MS-DOS productions from the early 90s."