I am developing a small OS and I just started using 1280x1080 video mode (mode 11Bh) for resolution. Now I want something better because mode 11Bh is a bit pressed and its ratio inst that good. So I started searching about the 1920x1080 video mode but I couldn't find it in forums and OSDev. What is the standard mode number for mode 1920x1080x24bpp and does special full access mode 81FFh have anything to do with it?
What is the standard VESA video mode for 1920x1080x24bpp OS Dev
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The latest VESA standard recommends querying the list of supported modes and then choosing the one that fits your needs best. Hardcoded mode numbers are a thing of the past, they aren't guaranteed (some modes that you may want may not even be supported). So, that's that.