Int 10 Fn 1E03  - Video - Flat-panel - Vertical Expansion For Text/graphi  [V]

   AX = 1E03h
   BH = function
       bit 7: =1 set vertical expansion, =0 query expansion
       bits 6-0: reserved (0)
   ---if BH bit 7 set---
   BL = new vertical expansion setting (see #0054)

Return: AL = 1Eh if function supported
       BH = results
       bit 7: query/set (copied from input)
       bits 6-4: reserved (0)
       bit 3: vertical expansion of text is supported by hardware
       bit 2: vertical expansion of graphics is supported by hardware
       bit 1: hardware supports independent control of expansion in
           text and graphics modes
       bit 0: set operation was successful (always clear on get)
       BL = active vertical expansion setting (see #0054)

See Also: AX=1E00h,AX=1E02h.AX=1E04h

Bitfields for Flat-Panel vertical expansion setting:
Bit(s) Description (Table 0054)
 7-2   reserved (0)
 1 vertical expansion turned on for text modes
 0 vertical expansion turned on for graphics modes

See Also: #0052,#0053,#0055