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Int 10 Fn 4F06 - VESA SuperVGA BIOS V1.1+ - Get/set Logical Scan Line Le [V]
AX = 4F06h
BL = function
00h set scan line length
CX = desired width in pixels
01h get scan line length
Return: AL = 4Fh if function supported
AH = status
00h successful
01h failed
BX = bytes per scan line
CX = number of pixels per scan line
DX = maximum number of scan lines
Notes: if the desired width is not achievable, the next larger width will be
set
the scan line may be wider than the visible area of the screen
this function is valid in text modes, provided that values are
multiplied by the character cell width/height
See Also: AX=4F01h,AX=4F05h,AX=4F07h
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