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AX = 7F7Fh
BX = 4104h
AX = 7F7Fh
BX = 4105h
AX = 7F7Fh
BX = 4106h
AX = 7F7Fh
BX = 4107h
AX = 7F7Fh
BX = 4108h
AX = 7F7Fh
BX = 410Ah
AX = 7F7Fh
BX = 410Bh
AX = 7F7Fh
BX = 410Dh
AX = 7F7Fh
BX = 4200h
BX=
toggle display
Toggle between LCD, CRT or simultaneous display
on LC and CRT. For high resolution video modes
which are not sup ported by the LC-display. simul-
aneous display cannot be selected.
enable CRT-monitor
enable LCD-monitor
switch between LCD- and CRT-monitor
toggle simultaneous/non-simultaneous display
switch between normal/inverted text display
switch between normal/inverted graphics display
switch to simultaneous display
return extended status information
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)
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