3 ms·

Doom uses fixed-point arithmetic[1], so no problem. [1] https://doomwiki.org/wiki/Fixed_point https://doomwiki.org/wiki/Fixed_point

• leoc 6y ago
  At the time of Doom's release many or most DOS/Windows PCs still didn't have hardware FPUs https://www.xtof.info/blog/?p=931 https://www.xtof.info/blog/?p=931 I think that using hardware floating-point would have prevented some of the early console releases too (particularly the SNES?)
  • wk_end 6y ago
    The SNES version was coded from scratch in 65816/Super FX assembly language [1]; how the PC version did things would’ve been neither here nor there. [1] https://github.com/RandalLinden/DOOM-FX https://github.com/RandalLinden/DOOM-FX - yes, that’s the original code on GitHub, released by the author
    • MaxBarraclough 6y ago
      HN discussion on the release, 3 months ago: https://news.ycombinator.com/item?id=23989638 https://news.ycombinator.com/item?id=23989638