Int 10/AH=06h

VIDEO - SCROLL UP WINDOW

AH = 06h
AL = number of lines by which to scroll up (00h = clear entire window)
BH = attribute used to write blank lines at bottom of window
CH,CL = row,column of window's upper left corner
DH,DL = row,column of window's lower right corner

Return:
Nothing

Note: Affects only the currently active page (see AH=05h)

BUGS: Some implementations (including the original IBM PC) have a bug which destroys BP. The Trident TVGA8900CL (BIOS dated 1992/9/8) clears DS to 0000h when scrolling in an SVGA mode (800x600 or higher)

See Also: AH=07h - AH=12h"Tandy 2000" - AH=72h - AH=73h Category: Video - Int 10h - V

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