The Word document contains the library doomgeneric_docm.dll and doom1.wad game data encoded in base 64, which a VBA macro extracts onto the disk and then loads. Every game tick, doomgeneric.dll creates a BMP image containing the current frame and uses GetAsyncKeyState to read the keyboard state. The main VBA macro’s game loop runs a tick in DOOM and then replaces the image in the document with the latest frame.
We all know the rule: if it has a screen, DOOM can be played on it. That said, it does make you wonder what platform people will manage to port it to next.
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:max_bytes(150000):strip_icc()/SE_CoffeeThroughoutDay-edea4dbaf421460f927517ad67844d44.gif "What Happens to Your Coffee As It Sits, and the Science Behind It")