INT 21 - DOS 3.3+ - SET GLOBAL CODE PAGE TABLE
        AX = 6602h
        BX = active code page (see below)
        DX = system code page (active page at boot time)
Return: CF set on error
            AX = error code (see AH=59h)
        CF clear if successful
SeeAlso: AX=6601h,INT 2F/AX=14FFh

Values for code page:
 437    US
 850    Multilingual
 852    Slavic/Latin II (DOS 5+)
 857    Turkish
 860    Portugal
 861    Iceland
 863    Canada (French)
 865    Norway/Denmark

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