Int 21 Fn 38  - Dos 3.0+ - Set Country Code                                [D]

   AH = 38h
   DX = FFFFh
   AL = 01h thru FEh for specific country with code <255
   AL = FFh for specific country with code >= 255
      BX = 16-bit country code (see #1088)

Return: CF set on error
       AX = error code (see #1366 at AH=59h/BX=0000h)
   CF clear if successful

Note:  not supported by OS/2

See Also: INT 2F/AX=1403h