Important Notice

The pages on this site contain documentation for very old MS-DOS software, purely for historical purposes. If you're looking for up-to-date documentation, particularly for programming, you should not rely on the information found here, as it will be woefully out of date.

   ◄Summary►  ◄Back►
──────────────────────────────────────────────────────────────────────────────
 
  Description:  Enable/Disable Screen Refresh      [VGA]
 
  Enables or disables the video refresh for the currently active display.
 
  Input                               Output
  ════════════════════════            ═════════════════════
  AH=12H                              If function supported
  AL=00H to enable refresh            AL=12H
     01H to disable refresh
  BL=36H
                                    -♦-