Int 10 Fn 1E04  - Video - Flat-panel - Normal/reverse Video For Text/grap  [V]

   AX = 1E04h
   BH = function
       bit 7: =1 set normal/reverse video, =0 query normal/reverse
       bits 6-0: reserved (0)
   ---if BH bit 7 set---
   BL = new normal/reverse video setting (see #0055)

Return: AL = 1Eh if function supported
       BH = results
       bit 7: query/set (copied from input)
       bits 6-4: reserved (0)
       bit 3: hardware supports reverse video for text modes
       bit 2: hardware supports reverse video for graphics modes
       bit 1: hardware supports independent control of reverse video
             in text and graphics modes
       bit 0: set operation was successful (always clear on get)
       BL = active normal/reverse video setting (see #0055)

See Also: AX=1E00h,AX=1E03h,AX=1E05h

Bitfields for Flat-Panel normal/reverse video setting:
Bit(s) Description (Table 0055)
 7-2   reserved (0)
 1 reverse video for text
 0 reverse video for graphics

See Also: #0052,#0054,#0056,#0057