*COMDECK X25AATCB 
_ 
              * * X25 APPL TO APPL TIP * *
? 
            6: (BSIVTX25     :              _X.25 A-A IVT ARRAY        ?
                    ARRAY [1..10] OF INTEGER; 
                BSAA10       :              _USED FOR SVC PARAMS, ETC. ?
                    ARRAY[1..3] OF INTEGER; 
                BSAA15       : INTEGER;     _USED FOR LCCB POINTER     ?
                BSAA20       : INTEGER;     _USED FOR DOWNLINE PACKET  ?
                BSAA25       :              _USED FOR TIMER            ?
                    ARRAY[1..2] OF INTEGER; 
_ 
*         * * *  A-A SUBTIP TCB DEFINITION
? 
                BSDIAG       : INTEGER;     _DIAG CODE CLEARING IN-CALL?
                BSAFSTPKT    : B0BUFPTR;    _FIRST BUFFER POINTER IN   ?
                                            _ CURRENT PACKET           ?
                BSALSTPKT    : B0BUFPTR;    _LAST BUFFER POINTER IN    ?
                                            _ CURRENT PACKET           ?
                BSALEFTOVR   : B0BUFPTR;    _DOWNLINE LEFT OVER INPUT  ?
_ 
          * * *  END OF A-A SUBTIP TCB DEFINITION 
? 
                                   ); 
