Int 14 Fn 8025 - Articom - Set Internal Send/receive Vector [S]

AX = 8025h
DS:DX -> address of trap function (see #0292) to call on read/write

Return: nothing

Note: setting the vector to a user function allows the redirector's activity
to be monitored.

See Also: AX=8000h,AX=8035h,INT 21/AH=25h

(Table 0292)
Values ARTICOM trap function is called with:
AH = operation
80h reading character
81h writing character
AL = character

Return: AX must be preserved
far JUMP to old trap function (see AX=8035h)