This is a really good project. So fun to play around with. Low level IO part only like drawing to screen and handling keyboard inputs.
Ciro Santilli has:
- a few answers on Stack Overflow: stackoverflow.com/search?tab=votes&q=user%3a895245%20%5bsdl%5d
- a small cheatsheet on: github.com/cirosantilli/cpp-cheat/tree/09cb7c9fc1ee4a8bee421f12d0596b81cfd836bd/sdl