2MB VRAM Support

[maekawa-mugi]

https://x.com/rgbeter32x/status/2074131726549254545

I'm not entirely sure what that will make possible.

[CodeAsm]

neither do i... but could be intresting to research at some point.
larger framebuffers in ram or fonts? I havent looked at alternative video outputs tho, no idea what traditional video output max res are (probably not much more than we already got with your patches)