INT 21,63 - Get Lead Byte Table (MSDOS 2.25 only)

% See below for information on the Asian INT 21,63 specifications

AH = 63h

AL = 00 get address of system lead byte table

= 01 set or clear interim console flag

= 02 get value of interim console flag

DL = 00 clear interim console flag (when AL=01)

= 01 set interim console flag (when AL=01)

on return

AX = error code if CF set

DS:SI = far pointer to lead byte table (AL=00)

DL = value of interim console flag (AL=02)

- available only in MSDOS 2.25

- provides multiple byte character support

- function 00, returns the address of system table containing

legal lead byte ranges

- function 01 & 02 set and get the interim console flag which

determines whether interim bytes are returned on some console

functions

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