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Fabian Sanglard’s books are excellent! I highly recommend them for retro DOS game engine programming. https://fabiensanglard.net/ https://fabiensanglard.net/

• markus_zhang 3y ago
  Thanks, I actually got the idea after reading his adapt refresh article as I didn't understand it.
  • fabiensanglard 3y ago
    Snap, my incomprehensible article made you want to program the whole thing? Sorry about that! As a side note, if you want to go Commander Keen style, you won't have the pleasure to use DOS/4G. CK, alike Wolfenstein 3D, use real mode. Personnaly, I find having to deal with near/far pointers a huge turn off from programming this way.
    • markus_zhang 3y ago
      Hi Fabien thanks a lot for the books and articles! TBF I only understand a small part of them but I find them fascinating. I'll try out real mode and see what happens. I read about near/far pointers some 30+ years ago in one of my father's programming books so that's the only thing I know about them -- I heard about them :D