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  Description:  Set Resolution      [PS/2]
 
  Sets the resolution of the system's mouse or other pointing device.
 
  Input                                     Output
  ══════════════════════════════            ═══════════════════════════
  AH=C2H                                    If function successful
  AL=03H                                    Carry flag=clear
  BH=resolution value                       AH=00H
     00H=1 count per millimeter             If function unsuccessful
     01H=2 counts per millimeter            Carry flag=set
     02H=4 counts per millimeter            AH=status (see Int 15H
     03H=8 counts per millimeter                       Function C2H
                                                       Subfunction 00H)
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