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AX= 7F7Fh
BX = 4201h set extended status information
CX=
AX = 7F7Fh
BX=4300h
CX=
AX = 7F7Fh
BX=4400h
BL=
AX = 7F7Fh
BX=4500h
BL=
CH=
CL=
AX = 7F7Fh
BX=4700h
BX=
CX=
status information
0,1
(reserved)
2
0:
CRT display
1:
LCD display
3
0:
autocentering on
1:
artocentering off
5,4
00:
normal graphics and inverted text
01:
normal graphics and mormal text
10:
inverted graphics and text
11:
(reserved)
6
0:
vertical expansion on
1:
vertical expansion off
9,8
00:
800x600 pixel at 56 Hz
01:
800x600 Pixel at 60 Hz
10:
800x600 pixel at 72 Hz
11:
800x600 pixel (16 colors) at 72 Hz and
800x600 pixel (256 colors) at 60 Hz
11,10
00:
1024x768 pixel (16 colors) interlaced
01:
1024x768 pixel (16 colors) at 60 Hz
13,12
00:
1024x768 pixel (256 colors) interlaced
01:
1024x768 pixel (256 colors) at 60 Hz
14
0:
no simultaneous display on CRT / LCD
1:
simultaneous display on CRT and LCD
15
(reserved)
set power-on condition
value for INT 15h call (CMOS-value)
return power-on condition
value of power-on condition
return version numbers of VGA BIOS
1. digit of version number
2. digit of version number
3. digit of version number
return type of connected monitor (dynamic)
status information
status information
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