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AH = 07h AL = number of lines by which to scroll down (00h=clear entire window) BH = attribute used to write blank lines at top 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=06h - AH=12h"Tandy 2000" - AH=72h - AH=73h
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