INT 21 - DOS 2+ - GET COUNTRY-SPECIFIC INFORMATION
        AH = 38h
--DOS 2.x--
        AL = 00h get current-country info
        DS:DX -> buffer for returned info (see below)
Return: CF set on error
            AX = error code (02h)
        CF clear if successful
            AX = country code (MS-DOS 2.11 only)
            buffer at DS:DX filled
--DOS 3+--
        AL = 00h for current country
        AL = 01h thru 0FEh for specific country with code <255
        AL = 0FFh for specific country with code >= 255
           BX = 16-bit country code
        DS:DX -> buffer for returned info (see below)
Return: CF set on error
            AX = error code (02h)
        CF clear if successful
            BX = country code
            DS:DX buffer filled
Note:   this function is not supported by the Borland DPMI host, but no error
          is returned; as a workaround, one should allocate a buffer in
          conventional memory with INT 31/AX=0100h and simulate an INT 21 with
          INT 31/AX=0300h
SeeAlso: AH=65h,INT 10/AX=5001h,INT 2F/AX=110Ch,INT 2F/AX=1404h

Format of PC-DOS 2.x country info:
Offset  Size    Description
 00h    WORD    date format  0 = USA    mm dd yy
                             1 = Europe dd mm yy
                             2 = Japan  yy mm dd
 02h    BYTE    currency symbol
 03h    BYTE    00h
 04h    BYTE    thousands separator char
 05h    BYTE    00h
 06h    BYTE    decimal separator char
 07h    BYTE    00h
 08h 24 BYTEs   reserved

Format of MS-DOS 2.x,DOS 3+ country info:
Offset  Size    Description
 00h    WORD    date format (see above)
 02h  5 BYTEs   ASCIZ currency symbol string
 07h  2 BYTEs   ASCIZ thousands separator
 09h  2 BYTEs   ASCIZ decimal separator
 0Bh  2 BYTEs   ASCIZ date separator
 0Dh  2 BYTEs   ASCIZ time separator
 0Fh    BYTE    currency format
                bit 2 = set if currency symbol replaces decimal point
                bit 1 = number of spaces between value and currency symbol
                bit 0 = 0 if currency symbol precedes value
                        1 if currency symbol follows value
 10h    BYTE    number of digits after decimal in currency
 11h    BYTE    time format
                bit 0 = 0 if 12-hour clock
                        1 if 24-hour clock
 12h    DWORD   address of case map routine
                (FAR CALL, AL = character to map to upper case [>= 80h])
 16h  2 BYTEs   ASCIZ data-list separator
 18h 10 BYTEs   reserved

Values for country code:
   1 001h   United States
   2 002h   Canadian-French
   3 003h   Latin America
  31 01Fh   Netherlands
  32 020h   Belgium
  33 021h   France
  34 022h   Spain
  36 024h   Hungary (not supported by DR-DOS 5.0)
  38 026h   Yugoslavia (not supported by DR-DOS 5.0)
  39 027h   Italy
  41 029h   Switzerland
  42 02Ah   Czechoslovakia/Tjekia (not supported by DR-DOS 5.0)
  43 02Bh   Austria (DR-DOS 5.0)
  44 02Ch   United Kingdom
  45 02Dh   Denmark
  46 02Eh   Sweden
  47 02Fh   Norway
  48 030h   Poland (not supported by DR-DOS 5.0)
  49 031h   Germany
  55 037h   Brazil (not supported by DR-DOS 5.0)
  61 03Dh   International English [Australia in DR-DOS 5.0]
  81 051h   Japan (DR-DOS 5.0, MS-DOS 5.0+)
  82 052h   Korea (DR-DOS 5.0)
  86 056h   China (MS-DOS 5.0+)
  88 058h   Taiwan (MS-DOS 5.0+)
  90 05Ah   Turkey (MS-DOS 5.0+)
 351 15Fh   Portugal
 354 162h   Iceland
 358 166h   Finland
 785 311h   Middle East/Saudi Arabia (DR-DOS 5.0,MS-DOS 5.0+)
 972 3CCh   Israel (DR-DOS 5.0,MS-DOS 5.0+)

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