vesa

Vesa Problems: 0xA0000 or 0xB0000

When dealing with Vesa (version 2) I can detect if its available, get all the available resolutions, but when it comes to setting the resolution... I am able to change to 1024x768 (32bpp) but then the screen is just blank... am testing it on VirtualBox... After setting the mode, is there anything else am supposed to do? ...

Set video mode to 1920x1080 (HD) or higher in kernel ASM (NASM assembler)

I would like to set the video mode in a ASM kernel I'm working on to a video mode 1920x1080 or higher (or at least higher than the usual limit in VESA). Is there anyway to do that, and if so, provide sample code? I'm using NASM to code the kernel. ...