Int 15 Fn DE1E  - Desqview V2.23+ - "scrninfo" - Get True Video Parameter  [Q]

   AX = DE1Eh

Return: CL = actual number of rows on screen
   CH = actual number of columns on screen
   BL = actual video mode (may differ from INT 10/AH=0Fh return) (v2.26+)

Note:  this API call may be made from a hardware interrupt handler

See Also: INT 10/AH=0Fh