How to get display's resolution?

OS Design, Theory, and Programming

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How to get display's resolution?

Postby Matrix7 » Mon Mar 15, 2010 7:49 am

I want to know how to get display's resolution by call bios interrupt
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Re: How to get display's resolution?

Postby Mike » Tue Mar 16, 2010 10:18 pm


There is no standard VGA BIOS interrupt for obtaining the current video modes' resolution. However, you can get the current video mode and obtain its resolution based on the video mode number, or read the information directly via VGA registers.
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