INT 21,63 - Get Lead Byte Table (Asian DOS 3.2+)

AH = 63h

AL = 00 get address of Double Byte Character Set (DBCS) lead table

= 01 set Hongeul (Korean) input mode

= 02 get Hongeul (Korean) input mode

DL = new keyboard input mode

= 00 return completely formed characters only

= 01 return partially formed characters also

on return

AL = 00 on success

= FF if function not supported

DS:SI = pointer to DBCS table (function 00)

DL = current keyboard input mode (function 02)

= 00 only completely formed characters are accepted

= 01 partially formed characters are accepted

- available only in Asian MSDOS 3.2+

- provides Asian multiple byte character support

- all registers except CS:IP and SS:SP may be destroyed

- DOS 4.0 returns an empty list