Set25Lines


Purpose   Sets the screen into the normal 25 line textmode display.

Decln.    Set25Lines;

Remarks   Use this procedure to switch from a condensed line display (only
          available on systems equipped with EGA/VGA displays) to a 25 line
          display.

          The top 25 lines of the screen will remain on display.

          A global variable DisplayLines is automatically updated with the
          current number of display lines.

Example

BEGIN
    IF DISPLAYLINES <> 25 THEN
       SET25LINES.
END;