Int 10 Fn 1E08 - Video - Flat-panel - Contrast Setting [V]
AX = 1E08h
BH = function
bit 7: =1 set contrast control, =0 query contrast
bit 6: use standard contrast
bits 5-0: reserved (0)
---if BH bits 7,6=10---
BL = contrast (00h = minimum, FFh = maximum)
Return: AL = 1Eh if function supported
BH = results
bit 7: query/set (copied from input)
bit 6: standard/custom (copied from input)
bits 5-2: reserved (0)
bit 1: software contrast control is supported
bit 0: set operation was succesful (always clear on get)
BL = contrast (00h = minimum, FFh = maximum)
Note: this function operates independently of AX=1E06h
See Also: AX=1E00h,AX=1E06h,AX=1E07h