INT 21 - DOS 3.3+ - SET GLOBAL CODE PAGE TABLE
AX = 6602h
BX = active code page
437 US
850 Multilingual
852 Slavic/Latin II (DOS 5+)
857 Turkish
860 Portugal
861 Iceland
863 Canada (French)
865 Norway/Denmark
DX = system code page (active page at boot time)
Return: CF set on error
AX = error code (see AH=59h)
CF clear if successful

See also: 216601

216602 - DOS 3.3+ - SET GLOBAL CODE PAGE TABLE