189 PROG: HYDRA-SNA PF1-3 Status Displays THIS FILE DESCRIBES AVAILABLE SNA STATUS DISPLAY SCREENS PF1: SYSTEM STATUS PF2: 3277 EMULATOR PF3: SNA STATUS PF4: DATA MEMORY DISPLAY * **** PF1 STATUS SCREEN **** * TMSSTS   DS    2               TMS STATUS WORD XFAULT   EQU   15                TMS FAULTED IF SET *                                                   TMSFLG   DS    2               TMS FLAG WORD XPREQ    EQU   15                PRE-EMPTION REQUESTED IF SET * SYSSTS   DS    2               SYSTEM STATUS WORD SINIT    EQU   15                SYSTEM INITIALIZED IF SET SCONR    EQU   14                SYSTEM CONTROLLER READY IF SET SMONR    EQU   13                SYSTEM MONITOR READY IF SET SAPPR    EQU   12                SYSTEM APPLICATION READY IF SET SFMSR    EQU   11                FILE SYSTEM READY IF SET *                                                         SYSFLG   DS    1               SYSTEM FLAG BYTE SHLDI    EQU   15                INTERBOARD INQUIRY HELD IF SET SSTKF    EQU   7                 SYSTEM STACK FAILURE INDICATED          DS    1               SYSTEM NMI LATCH SYSCLK   DS    4               SYSTEM CLOCK SYSC00   DS    2               SYSTEM COUNTER 0 (NMI OVERRUN) SYSC01   DS    2               SYSTEM COUNTER 1 (TMR OVERRUN) SYSC02   DS    2               SYSTEM COUNTER 2 (BFR OVERRUN) SYSC03   DS    2               SYSTEM COUNTER 3 (GDQ OVERRUN) SYSC04   DS    2               SYSTEM COUNTER 4 (TX OVERRUN) SYSC05   DS    2               SYSTEM COUNTER 5 (RX OVERRUN) SYSC06   DS    2               SYSTEM COUNTER 6 (MALC FAILURES) SYSC07   DS    2               SYSTEM COUNTER 7 (IALC FAILURES) SYSC08   DS    2               SYSTEM COUNTER 8 (RESBUS FAILURES) SYSC09   DS    2               SYSTEM COUNTER 9 (RESICC FAILURES) SYSC0A   DS    2               SYSTEM COUNTER A (ODQ OVERRUNS) SYSC0B   DS    2               SYSTEM COUNTER B (IDQ OVERRUNS) SYSC0C   DS    2               SYSTEM COUNTER C (CHANNEL WAITS) SYSC0D   DS    2               SYSTEM COUNTER D (CHANNEL HALTS) SYSC0E   DS    2               SYSTEM COUNTER E (UNKNOWN SIGNALS) SYSC0F   DS    2               SYSTEM COUNTER F (UNKNOWN CONTACTS) *                                                     SYSL00   DS    2               SYSTEM LATCH 00 (TX RATE COUNTER) SYSL01   DS    2               SYSTEM LATCH 01 (RX RATE COUNTER) SYSL02   DS    2               SYSTEM LATCH 02 (IC.TX RATE COUNTER) SYSL03   DS    2               SYSTEM LATCH 03 (IC.RX RATE COUNTER) SYSL04   DS    2               SYSTEM LATCH 04 (O.PIU RATE COUNTER) SYSL05   DS    2               SYSTEM LATCH 05 (I.PIU RATE COUNTER) SYSL06   DS    2               SYSTEM LATCH 06 (O.PIU.WAIT COUNTER) SYSL07   DS    2               SYSTEM LATCH 07 (I.PIU WAIT COUNTER) SYSL08   DS    2               SYSTEM LATCH 08 (O.BIU WAIT COUNTER) SYSL09   DS    2               SYSTEM LATCH 09 (I.BIU WAIT COUNTER) SYSL0A   DS    2               SYSTEM LATCH 0A (RESERVED) SYSL0B   DS    2               SYSTEM LATCH 0B (RESERVED) SYSL0C   DS    2               SYSTEM LATCH 0C (RESERVED) SYSL0D   DS    2               SYSTEM LATCH 0D (RESERVED) SYSL0E   DS    2               SYSTEM LATCH 0E (RESERVED) SYSL0F   DS    2               SYSTEM LATCH 0F (RESERVED) *                                                         SYSR00   DS    2               SYSTEM LATCH 00 (TX RATE REGISTER) SYSR01   DS    2               SYSTEM LATCH 01 (RX RATE REGISTER) SYSR02   DS    2               SYSTEM LATCH 02 (IC.TX RATE REGISTER) SYSR03   DS    2               SYSTEM LATCH 03 (IC.RX RATE REGISTER) SYSR04   DS    2               SYSTEM LATCH 04 (O.PIU RATE REGISTER) SYSR05   DS    2               SYSTEM LATCH 05 (I.PIU RATE REGISTER) SYSR06   DS    2               SYSTEM LATCH 06 (O.PIU.WAIT REGISTER) SYSR07   DS    2               SYSTEM LATCH 07 (I.PIU WAIT REGISTER) SYSR08   DS    2               SYSTEM LATCH 08 (O.BIU WAIT REGISTER) SYSR09   DS    2               SYSTEM LATCH 09 (I.BIU WAIT REGISTER) SYSR0A   DS    2               SYSTEM LATCH 0A (RESERVED) SYSR0B   DS    2               SYSTEM LATCH 0B (RESERVED) SYSR0C   DS    2               SYSTEM LATCH 0C (RESERVED) SYSR0D   DS    2               SYSTEM LATCH 0D (RESERVED) SYSR0E   DS    2               SYSTEM LATCH 0E (RESERVED) SYSR0F   DS    2               SYSTEM LATCH 0F (RESERVED) *                                                         SYSS00   DS    2*6*16          10 SECOND RATES LAST MINUTE SYSM00   DS    2*6*16          10 MINUTES RATES LAST HOUR SYSA00   DS    2*4*16          ACCUMULATIONS AND STATISTICS *                                         TCBSTS   DS    2               TCB STATUS WORD TRUN     EQU   15                TASK ACTIVE IF SET TSTR     EQU   14                TASK STARTED IF SET TRDY     EQU   13                TASK READY IF SET TLCK     EQU   12                TASK LOCKED IF SET TWOR     EQU   11                TASK WAITING ON RESOURCE IF SET TWOE     EQU   10                TASK WAITING ON EVENT IF SET TWOL     EQU   9                 TASK WAITING ON EVENT LIST IF SET TABND    EQU   8                 TASK ABEND OCCURRED IF SET TWDQ     EQU   7                 TASK WAITING ON DEQUEUE IF SET TWEQ     EQU   6                 TASK WAITING ON ENQUEUE IF SET *        EQU   5                 (RESERVED) *        EQU   4                 (RESERVED) *        BITS  3-0               ABEND CODE *                                           TCBFLG   DS    2               TCB FLAG WORD TSIGP    EQU   15                TASK SIGNAL PENDING IF SET TPAUP    EQU   14                TASK PAUSE IN PROCESS IF SET * SC 4400 0000 729C |   |    |    | |   |    |    +----> SYSTEM CONTROLLER TCB PC |   |    +---------> SYSTEM CONTROLLER TCB FLAG |   +--------------> SYSTEM CONTROLLER TCB STATUS +------------------> SYSTEM CONTROLLER TCB NAME * SM 4400 0000 7752 |   |    |    | |   |    |    +----> SYSTEM MONITOR TCB PC |   |    +---------> SYSTEM MONITOR TCB FLAG |   +--------------> SYSTEM MONITOR TCB STATUS +------------------> SYSTEM MONITOR TCB NAME * RX 4400 0000 7752 |   |    |    | |   |    |    +----> INTERBOARD RECEIVER POLLING TCB PC |   |    +---------> INTERBOARD RECEIVER POLLING TCB FLAG |   +--------------> INTERBOARD RECEIVER POLLING TCB STATUS +------------------> INTERBOARD RECEIVER POLLING TCB NAME * TX 4400 0000 7752 |   |    |    | |   |    |    +----> INTERBOARD TRANSMITTER POLLING TCB PC |   |    +---------> INTERBOARD TRANSMITTER POLLING TCB FLAG |   +--------------> INTERBOARD TRANSMITTER POLLING TCB STATUS +------------------> INTERBOARD TRANSMITTER POLLING TCB NAME * * **** PF2 3277 EMULATOR STATUS SCREEN **** * SYSCLK, SYSSTS, AND SYSFLG EXPLAINED ABOVE. * M0 E000 0000 3150 |   |    |    | |   |    |    +----> MASTER0 TCB PC |   |    +---------> MASTER0 TCB FLAG |   +--------------> MASTER0 TCB STATUS +------------------> MASTER0 TCB NAME * M1 E000 0000 3150 |   |    |    | |   |    |    +----> MASTER1 TCB PC |   |    +---------> MASTER1 TCB FLAG |   +--------------> MASTER1 TCB STATUS +------------------> MASTER1 TCB NAME * M2 E000 0000 3150 |   |    |    | |   |    |    +----> MASTER2 TCB PC |   |    +---------> MASTER2 TCB FLAG |   +--------------> MASTER2 TCB STATUS +------------------> MASTER2 TCB NAME * M3 E000 0000 3150 |   |    |    | |   |    |    +----> MASTER3 TCB PC |   |    +---------> MASTER3 TCB FLAG |   +--------------> MASTER3 TCB STATUS +------------------> MASTER3 TCB NAME * M4 E000 0000 3150 |   |    |    | |   |    |    +----> MASTER4 TCB PC |   |    +---------> MASTER4 TCB FLAG |   +--------------> MASTER4 TCB STATUS +------------------> MASTER4 TCB NAME * M5 E000 0000 3150 |   |    |    | |   |    |    +----> MASTER5 TCB PC |   |    +---------> MASTER5 TCB FLAG |   +--------------> MASTER5 TCB STATUS +------------------> MASTER5 TCB NAME * M6 E000 0000 3150 |   |    |    | |   |    |    +----> MASTER6 TCB PC |   |    +---------> MASTER6 TCB FLAG |   +--------------> MASTER6 TCB STATUS +------------------> MASTER6 TCB NAME * M7 E000 0000 3150 |   |    |    | |   |    |    +----> MASTER7 TCB PC |   |    +---------> MASTER7 TCB FLAG |   +--------------> MASTER7 TCB STATUS +------------------> MASTER7 TCB NAME * S0 4400 0000 7B36 |   |    |    | |   |    |    +----> SLAVE0 TCB PC |   |    +---------> SLAVE0 TCB FLAG |   +--------------> SLAVE0 TCB STATUS +------------------> SLAVE0 TCB NAME * S1 4400 0000 7B36 |   |    |    | |   |    |    +----> SLAVE1 TCB PC |   |    +---------> SLAVE1 TCB FLAG |   +--------------> SLAVE1 TCB STATUS +------------------> SLAVE1 TCB NAME * S2 4400 0000 7B36 |   |    |    | |   |    |    +----> SLAVE2 TCB PC |   |    +---------> SLAVE2 TCB FLAG |   +--------------> SLAVE2 TCB STATUS +------------------> SLAVE2 TCB NAME * S3 4400 0000 7B36 |   |    |    | |   |    |    +----> SLAVE3 TCB PC |   |    +---------> SLAVE3 TCB FLAG |   +--------------> SLAVE3 TCB STATUS +------------------> SLAVE3 TCB NAME * S4 4400 0000 7B36 |   |    |    | |   |    |    +----> SLAVE4 TCB PC |   |    +---------> SLAVE4 TCB FLAG |   +--------------> SLAVE4 TCB STATUS +------------------> SLAVE4 TCB NAME * S5 4400 0000 7B36 |   |    |    | |   |    |    +----> SLAVE5 TCB PC |   |    +---------> SLAVE5 TCB FLAG |   +--------------> SLAVE5 TCB STATUS +------------------> SLAVE5 TCB NAME * S6 4400 0000 7B36 |   |    |    | |   |    |    +----> SLAVE6 TCB PC |   |    +---------> SLAVE6 TCB FLAG |   +--------------> SLAVE6 TCB STATUS +------------------> SLAVE6 TCB NAME * S7 4400 0000 7B36 |   |    |    | |   |    |    +----> SLAVE7 TCB PC |   |    +---------> SLAVE7 TCB FLAG |   +--------------> SLAVE7 TCB STATUS +------------------> SLAVE7 TCB NAME * SDCBSTS  DS    2               SDCB STATUS WORD STXA     EQU   15                TRANSMITTER ACTIVE IF SET SRXA     EQU   14                RECEIVER ACTIVE IF SET STXOFA   EQU   13                TRANSMITTER XOFF ACTIVE IF SET SRXOFA   EQU   12                RECEIVER XOFF ACTIVE IF SET STXERR   EQU   11                TRANSMITTER ERROR INDICATED IF SET SRXERR   EQU   10                RECEIVER ERROR INDICATED IF SET *        EQU   9                 (RESERVED) *        EQU   8                 (RESERVED) *        EQU   7                 (RESERVED) *        EQU   6                 (RESERVED) SLTXQ    EQU   5                 TX QUEUE LINK ACTIVE IF SET SLRXQ    EQU   4                 RX QUEUE LINK ACTIVE IF SET * SDCBFLG  DS    2               SDCB FLAG WORD STXOFF   EQU   15                TX XOFF REQUESTED IF SET *        EQU   14                (RESERVED) SRXOFF   EQU   13                RX XOFF REQUESTED IF SET SRXON    EQU   12                RX XON REQUESTED IF SET *        EQU   11                (RESERVED) *        EQU   10                (RESERVED) *        EQU   9                 (RESERVED) *        EQU   8                 (RESERVED) * SDCBTMD  DS    1               TX MODIFIER FLAG STBMOD   EQU   7                 BLOCK MODE ACTIVE IF SET *        EQU   6                 (RESERVED) *        EQU   5                 (RESERVED) *        EQU   4                 (RESERVED) *        EQU   3                 (RESERVED) *        EQU   2-0               DATA FLOW CONTROL DEFINITION *                                  000 - NO DATA FLOW CONTROL *                                  001 - (RESERVED) *                                  010 - DTR-DSR FLOW CONTROL *                                  011 - DTR-DCD FLOW CONTROL *                                  100 - (RESERVED) *                                  101 - ANSI RTS-CTS FLOW CONTROL *                                  110 - XOFF/XANY FLOW CONTROL *                                  111 - XOFF/XON FLOW CONTROL * SDCBRMD  DS    1               RX MODIFIER FLAG SRBMOD   EQU   7                 BLOCK MODE ACTIVE IF SET *        EQU   6                 (RESERVED) SRXOFP   EQU   5                 PASS XOFF CHARACTER IF SET SRXONP   EQU   4                 PASS XON CHARACTER IF SET *        EQU   3                 (RESERVED) *        EQU   2-0               DATA FLOW CONTROL DEFINITION *                                  000 - NO DATA FLOW CONTROL *                                  001 - (RESERVED) *                                  010 - DTR-DSR FLOW CONTROL *                                  011 - DTR-DCD FLOW CONTROL *                                  100 - (RESERVED) *                                  101 - ANSI RTS-CTS FLOW CONTROL *                                  110 - XOFF/XANY FLOW CONTROL *                                  111 - XOFF/XON FLOW CONTROL * S0 4010 0000 07 07 |   |    |    | | |   |    |    | +--> S0 SERIAL DEVICE CONTROL BLOCK RX REGISTER |   |    |    +----> S0 SERIAL DEVICE CONTROL BLOCK TX REGISTER |   |    +---------> S0 SERIAL DEVICE CONTROL BLOCK FLAG |   +--------------> S0 SERIAL DEVICE CONTROL BLOCK STATUS +------------------> S0 SERIAL DEVICE CONTROL BLOCK NAME * S1 4010 0000 07 07 |   |    |    | | |   |    |    | +--> S1 SERIAL DEVICE CONTROL BLOCK RX REGISTER |   |    |    +----> S1 SERIAL DEVICE CONTROL BLOCK TX REGISTER |   |    +---------> S1 SERIAL DEVICE CONTROL BLOCK FLAG |   +--------------> S1 SERIAL DEVICE CONTROL BLOCK STATUS +------------------> S1 SERIAL DEVICE CONTROL BLOCK NAME * S2 4010 0000 07 07 |   |    |    | | |   |    |    | +--> S2 SERIAL DEVICE CONTROL BLOCK RX REGISTER |   |    |    +----> S2 SERIAL DEVICE CONTROL BLOCK TX REGISTER |   |    +---------> S2 SERIAL DEVICE CONTROL BLOCK FLAG |   +--------------> S2 SERIAL DEVICE CONTROL BLOCK STATUS +------------------> S2 SERIAL DEVICE CONTROL BLOCK NAME * S3 4010 0000 07 07 |   |    |    | | |   |    |    | +--> S3 SERIAL DEVICE CONTROL BLOCK RX REGISTER |   |    |    +----> S3 SERIAL DEVICE CONTROL BLOCK TX REGISTER |   |    +---------> S3 SERIAL DEVICE CONTROL BLOCK FLAG |   +--------------> S3 SERIAL DEVICE CONTROL BLOCK STATUS +------------------> S3 SERIAL DEVICE CONTROL BLOCK NAME * S4 4010 0000 07 07 |   |    |    | | |   |    |    | +--> S4 SERIAL DEVICE CONTROL BLOCK RX REGISTER |   |    |    +----> S4 SERIAL DEVICE CONTROL BLOCK TX REGISTER |   |    +---------> S4 SERIAL DEVICE CONTROL BLOCK FLAG |   +--------------> S4 SERIAL DEVICE CONTROL BLOCK STATUS +------------------> S4 SERIAL DEVICE CONTROL BLOCK NAME * S5 4010 0000 07 07 |   |    |    | | |   |    |    | +--> S5 SERIAL DEVICE CONTROL BLOCK RX REGISTER |   |    |    +----> S5 SERIAL DEVICE CONTROL BLOCK TX REGISTER |   |    +---------> S5 SERIAL DEVICE CONTROL BLOCK FLAG |   +--------------> S5 SERIAL DEVICE CONTROL BLOCK STATUS +------------------> S5 SERIAL DEVICE CONTROL BLOCK NAME * S6 4010 0000 07 07 |   |    |    | | |   |    |    | +--> S6 SERIAL DEVICE CONTROL BLOCK RX REGISTER |   |    |    +----> S6 SERIAL DEVICE CONTROL BLOCK TX REGISTER |   |    +---------> S6 SERIAL DEVICE CONTROL BLOCK FLAG |   +--------------> S6 SERIAL DEVICE CONTROL BLOCK STATUS +------------------> S6 SERIAL DEVICE CONTROL BLOCK NAME * S7 4010 0000 07 07 |   |    |    | | |   |    |    | +--> S7 SERIAL DEVICE CONTROL BLOCK RX REGISTER |   |    |    +----> S7 SERIAL DEVICE CONTROL BLOCK TX REGISTER |   |    +---------> S7 SERIAL DEVICE CONTROL BLOCK FLAG |   +--------------> S7 SERIAL DEVICE CONTROL BLOCK STATUS +------------------> S7 SERIAL DEVICE CONTROL BLOCK NAME * **** PF3 SNA STATUS SCREEN **** * SNASTS   DS    2               SNA STATUS WORD SCPCOR   EQU   15                OUTBOUND PC READY IF SET SCPCIR   EQU   14                INBOUND PC READY IF SET SCDCR    EQU   13                SYSTEM/370 DLC READY IF SET *        EQU   12                (RESERVED) SPDCOR   EQU   11                PRIVATE OUTBOUND DLC READY IF SET SPDCIR   EQU   10                PRIVATE INBOUND DLC READY IF SET SCPUR    EQU   9                 PU/LU SERVICES READY IF SET *        EQU   8                 (RESERVED) SPUACT   EQU   7                 PU ACTIVE IF SET *                                               SNAFLG   DS    2               SNA FLAG WORD SAPUPND  EQU   15                ACTPU PENDING IF SET (CHANNEL MASTER) SDPUPND  EQU   14                DACTPU PENDING IF SET (CHANNEL MASTER) * SNAC00   DS    2               SNA OUTBOUND MEMORY POOL FAILURE COUNT SNAC01   DS    2               SNA INBOUND MEMORY POOL FAILURE COUNT SNAC02   DS    2               SNA OUTBOUD DLC QUEUE FAILURE COUNT SNAC03   DS    2               SNA INBOUND DLC QUEUE FAILURE COUNT SNAC04   DS    2               SNA OUTBOUND PC QUEUE FAILURE COUNT SNAC05   DS    2               SNA INBOUND PC QUEUE FAILURE COUNT SNAC06   DS    2               SNA OUTBOUND TC QUEUE FAILURE COUNT SNAC07   DS    2               SNA INBOUND TC QUEUE FAILURE COUNT SNAC08   DS    2               SNA OUTBOUND EU QUEUE FAILURE COUNT SNAC09   DS    2               SNA INBOUND EU QUEUE FAILURE COUNT SNAC0A   DS    2               (RESERVED) SNAC0B   DS    2               (RESERVED) SNAC0C   DS    2               (RESERVED) SNAC0D   DS    2               (RESERVED) SNAC0E   DS    2               (RESERVED) SNAC0F   DS    2               (RESERVED) *                                         POOLOPIU DS    SMMSIZ          OUTBOUND PIU POOL MANAGEMENT TABLE POOLIPIU DS    SMMSIZ          INBOUND PIU POOL MANAGEMENT TABLE POOLOBIU DS    SMMSIZ          OUTBOUND BIU POOL MANAGEMENT TABLE POOLIBIU DS    SMMSIZ          INBOUND BIU POOL MANAGEMENT TABLE SMALOPIU DS    SMMSIZ          SMALL OUTBOUND PIU POOL MANAGEMENT TABLE SMALIPIU DS    SMMSIZ          SMALL INBOUND PIU POOL MANAGEMENT TABLE SMALOBIU DS    SMMSIZ          SMALL OUTBOUND BIU POOL MANAGEMENT TABLE SMALIBIU DS    SMMSIZ          SMALL INBOUND BIU POOL MANAGEMENT TABLE VSMLOPIU DS    SMMSIZ          VERY SMALL OUTBOUND PIU POOL MNGMNT TABLE VSMLIPIU DS    SMMSIZ          VERY SMALL INBOUND PIU POOL MNGMNT TABLE VSMLOBIU DS    SMMSIZ          VERY SMALL OUTBOUND BIU POOL MNGMNT TABLE VSMLIBIU DS    SMMSIZ          VERY SMALL INBOUND BIU POOL MNGMNT TABLE * *////////////////////////////////////////////////////////////////////* *///     SNA MEMORY MANAGEMENT CONTROL ELEMENT                    ///* *////////////////////////////////////////////////////////////////////* *                                                     SMMRCB   DS    RCBSIZ          RESOURCE CONTROL BLOCK SMMFML   DS    2               FREE MEMORY LIST VECTOR SMMPSZ   DS    2               MEMORY POOL SIZE SMMPUS   DS    2               MAXIMUM MEMORY POOL ELEMENT SIZE SMMPUC   DS    2               MAXIMUM MEMORY POOL ELEMENT COUNT SMMSIZ   EQU   *               SMM SIZE * PU 4010 0000 65F0 |   |    |    | |   |    |    +----> PU PHYSICAL UNIT TCB EXECUTION POINT |   |    +---------> PU PHYSICAL UNIT TCB FLAG WORD |   +--------------> PU PHYSICAL UNIT TCB STATUS WORD +------------------> PU PHYSICAL UNIT TCB NAME * D0 4010 0000 7150 |   |    |    | |   |    |    +----> D0 DATA LINK CONTROL TCB EXECUTION POINT |   |    +---------> D0 DATA LINK CONTROL TCB FLAG WORD |   +--------------> D0 DATA LINK CONTROL TCB STATUS WORD +------------------> D0 DATA LINK CONTROL TCB NAME * D1 4010 0000 7150 |   |    |    | |   |    |    +----> D1 DATA LINK CONTROL TCB EXECUTION POINT |   |    +---------> D1 DATA LINK CONTROL TCB FLAG WORD |   +--------------> D1 DATA LINK CONTROL TCB STATUS WORD +------------------> D1 DATA LINK CONTROL TCB NAME * P0 4010 0000 7150 |   |    |    | |   |    |    +----> P0 PATH LINK CONTROL TCB EXECUTION POINT |   |    +---------> P0 PATH LINK CONTROL TCB FLAG WORD |   +--------------> P0 PATH LINK CONTROL TCB STATUS WORD +------------------> P0 PATH LINK CONTROL TCB NAME * P1 4010 0000 7150 |   |    |    | |   |    |    +----> P1 PATH LINK CONTROL TCB EXECUTION POINT |   |    +---------> P1 PATH LINK CONTROL TCB FLAG WORD |   +--------------> P1 PATH LINK CONTROL TCB STATUS WORD +------------------> P1 PATH LINK CONTROL TCB NAME * L0 4010 0000 7150 |   |    |    | |   |    |    +----> L0 LOGICAL UNIT TCB EXECUTION POINT |   |    +---------> L0 LOGICAL UNIT TCB FLAG WORD |   +--------------> L0 LOGICAL UNIT TCB STATUS WORD +------------------> L0 LOGICAL UNIT TCB NAME * L1 4010 0000 7150 |   |    |    | |   |    |    +----> L1 LOGICAL UNIT TCB EXECUTION POINT |   |    +---------> L1 LOGICAL UNIT TCB FLAG WORD |   +--------------> L1 LOGICAL UNIT TCB STATUS WORD +------------------> L1 LOGICAL UNIT TCB NAME * L2 4010 0000 7150 |   |    |    | |   |    |    +----> L2 LOGICAL UNIT TCB EXECUTION POINT |   |    +---------> L2 LOGICAL UNIT TCB FLAG WORD |   +--------------> L2 LOGICAL UNIT TCB STATUS WORD +------------------> L2 LOGICAL UNIT TCB NAME * L3 4010 0000 7150 |   |    |    | |   |    |    +----> L3 LOGICAL UNIT TCB EXECUTION POINT |   |    +---------> L3 LOGICAL UNIT TCB FLAG WORD |   +--------------> L3 LOGICAL UNIT TCB STATUS WORD +------------------> L3 LOGICAL UNIT TCB NAME * L4 4010 0000 7150 |   |    |    | |   |    |    +----> L4 LOGICAL UNIT TCB EXECUTION POINT |   |    +---------> L4 LOGICAL UNIT TCB FLAG WORD |   +--------------> L4 LOGICAL UNIT TCB STATUS WORD +------------------> L4 LOGICAL UNIT TCB NAME * L5 4010 0000 7150 |   |    |    | |   |    |    +----> L5 LOGICAL UNIT TCB EXECUTION POINT |   |    +---------> L5 LOGICAL UNIT TCB FLAG WORD |   +--------------> L5 LOGICAL UNIT TCB STATUS WORD +------------------> L5 LOGICAL UNIT TCB NAME * L6 4010 0000 7150 |   |    |    | |   |    |    +----> L6 LOGICAL UNIT TCB EXECUTION POINT |   |    +---------> L6 LOGICAL UNIT TCB FLAG WORD |   +--------------> L6 LOGICAL UNIT TCB STATUS WORD +------------------> L6 LOGICAL UNIT TCB NAME * L7 4010 0000 7150 |   |    |    | |   |    |    +----> L7 LOGICAL UNIT TCB EXECUTION POINT |   |    +---------> L7 LOGICAL UNIT TCB FLAG WORD |   +--------------> L7 LOGICAL UNIT TCB STATUS WORD +------------------> L7 LOGICAL UNIT TCB NAME * MT 4010 0000 7150 |   |    |    | |   |    |    +----> MT MASTER TRANSPORT TCB EXECUTION POINT |   |    +---------> MT MASTER TRANSPORT TCB FLAG WORD |   +--------------> MT MASTER TRANSPORT TCB STATUS WORD +------------------> MT MASTER TRANSPORT TCB NAME *