Int 15 Fn 44C7  - Olivetti Quaderno - Write Lcd                            [b]

   AX = 44C7h
   DX = hex display
       FFFFh display clock and "HI", "Md", or "Lo"
       BH,BL,CL unused
       other: display specified hex number in first four positions
       BH = left alphanumeric character on display (see AX=44C6h)
       BL = right alphanumeric character on display (see AX=44C6h)
       CL = flags
           bit 0: right colon on
           bit 1: left colon on
           bits 2-7 unused

Note:  this function is also supported by XBIOS.COM

See Also: AX=44C6h