OS/2 Museum personal blog

Windows 3.x VDDVGA

While working on my Windows 3.x display driver , I ran into a vexing problem. In Windows 3.1 running in Enhanced 386 mode, I could start a DOS session and switch it to a window. But an attempt to set a mode in the DOS window (e.g. MODE CO80 ) would destroy the Windows desktop, preventing further drawing from happening…
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History & Retro ComputingSystems & Performance2023

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Jan 23, 2023Windows 3.x VDDVGA by ingve1094

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