INT 6A - DECnet DOS LOCAL AREA TRANSPORT - OPEN SESSION AH = D0h DH = FFh AL = password flag FFh no password 0Fh password at ES:DI ES:BX -> LAT session control block (see #03727) ES:DI -> 16-byte blank-padded password (optional) Return: AH = 00h success DL = handle SeeAlso: AX=D000h