INT 21 - Attachmate Extra - GET TRANSLATE TABLE ADDRESS
AH = AFh
Return: DS:BX -> translate tables (see below)

Format of translate tables:
Offset  Size    Description
00h 256 BYTEs  ASCII to 3270 buffer code translate table
100h 256 BYTEs  3270 buffer code to ASCII translate table
200h 256 BYTEs  3270 buffer code to EBCDIC translate table
300h 256 BYTEs  EBCDIC to 3270 buffer code translate table


21AF - Attachmate Extra - GET TRANSLATE TABLE ADDRESS