Michal Strehovsky • 7/17/2020

DOOM fire effect in C# running on Windows NT 3.51

This technical article details the process of implementing the iconic DOOM fire visual effect in C# and running it on Windows NT 3.51, an OS from 1995. It explains the challenges of using a modern language on old systems, focusing on low-level C# features, avoiding runtime dependencies, and directly calling the Win32 API via P/Invoke to create a lightweight, self-contained GUI application.

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#low-level programming #c #Retro Computing