[NTVDM]

[NTVDM]
- Remove some old comments (and commented DPRINTs);
- More support for Bda->VGAOptions;
- Improve implementation of VidBiosSetCursorShape (start some cursor emulation, and add a note about it);
- Implement few "Alternate Function Select" subfunctions.

svn path=/trunk/; revision=65421