Switches the text display page to the specified page number. Page zero is the standard text page. Number of lines to scroll. Screen attribute for cleared area. Number of lines to scroll.
Screen attribute for cleared area.
It does not change the cursor's position. Does not change cursor position. Uses existing attribute and repositions cursor after write. Note that this BIOS service was designed around the original IBM PC with its very limited hardware expansion capabilities. The bits returned by this call are almost meaningless today.