I'm right now developing a game for ms dos in C++ (compiler: DJGPP) and need to test if the VGA card is currently in the vertical blanking interval. Is there a memory address I can just read? How can I check for this?
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1Some people say time machines don't exist. They are obviously wrong. – Evg Jul 11 '23 at 19:58
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I recommend visiting [gamedev.se]. – Thomas Matthews Jul 11 '23 at 20:10
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Some relevant info in [this question/answer](https://stackoverflow.com/questions/50461049/do-vga-cards-read-in-the-pixel-buffer-when-the-vertical-retrace-bit-is-cleared). – 500 - Internal Server Error Jul 11 '23 at 20:21