INT 10 - VIDEO - Video7 VGA,VEGA VGA - GET MONITOR INFO
AX = 6F01h
Return: AL = monitor type code (VEGA VGA only)
AH = status register information
bit  0 = display enable
0 = display enabled
1 = vertical or horizontal retrace in progress
bit  1 = light pen flip flop set
bit  2 = light pen switch activated
bit  3 = vertical sync
bit  4 = monitor resolution
0 = high resolution (>200 lines)
1 = low resolution (<=200 lines)
bit  5 = display type
0 = color
1 = monochrome
bits6,7= diagnostic bits
Note:   bits 0-3 are the same as the EGA/VGA status register bits 0-3


106F01 - VIDEO - Video7 VGA,VEGA VGA - GET MONITOR INFO