          EJECT                                                          R152_OS        1
          TITLE  COMSSCB - SMU COMMUNICATIONS BLOCK DEFINITIONS.         R152_OS        2
***       COMSSCB - SUM COMMUNICATIONS BLOCK DEFINITIONS.                R152_OS        3
*                                                                        R152_OS        4
*         PROVIDE THE CONSTANTS FOR USE OF THE SMU COMMUNICATIONS        R152_OS        5
*         BLOCK FOR USE BY NOS/VE PPS.                                   R152_OS        6
                                                                         R152_OS        7
                                                                         R152_OS        8
**        PP ADDRESS ARRAY DESCRIPTOR NUMBER.                            R152_OS        9
*                                                                        R152_OS       10
                                                                         R152_OS       11
                                                                         R152_OS       12
 SCPPD    EQU    128D        SMU COMMUNICATIONS BUFFER                   R152_OS       13
 ABPPD    EQU    131D        ASCII BUFFER                                R152_OS       14
          SPACE  4,10                                                    R152_OS       15
**        SYSTEM CONSOLE LINE DEFINITION.                                R152_OS       16
*                                                                        R152_OS       17
                                                                         R152_OS       18
                                                                         R152_OS       19
 CLLEN    EQU    80D/8D      CONSOLE LINE LENGTH IN WORDS                R152_OS       20
          SPACE  4,10                                                    R152_OS       21
**        DEFINITIONS OF WORDS IN THE SCB.                               R152_OS       22
*                                                                        R152_OS       23
                                                                         R152_OS       24
                                                                         R152_OS       25
 SCHST    EQU    0           HARDWARE STATUS WORD                        R152_OS       26
 SCNOS    EQU    1           NOS STATUS WORD                             R152_OS       27
 SCNVE    EQU    2           NOS/VE STATUS WORD                          R152_OS       28
 SCNSF    EQU    3           NOS SERVICE FLAG                            R152_OS       29
 SCSSF    EQU    4           SMU SERVICE FLAG                            R152_OS       30
 SCCMS    EQU    5           CRITICAL MESSAGE TIME STAMP                 R152_OS       31
 SCJPS    EQU    6           RMA OF FAILING JPS                          R152_OS       32
 SCMSG    EQU    7           TERMINATION MESSAGE                         R152_OS       33
 SCCEM    EQU    SCMSG+CLLEN CRITICAL ERROR MESSAGE                      R152_OS       34
 SCREQ    EQU    SCCEM+CLLEN SMU REQUEST BLOCK                           R152_OS       35
          SPACE  4,10                                                    R152_OS       36
**        DEFINITIONS OF THE ASCII BUFFER.                               R152_OS       37
*                                                                        R152_OS       38
                                                                         R152_OS       39
                                                                         R152_OS       40
 ABHDR    EQU    1           HEADER IS IN WORD 1                         R152_OS       41
 ABINP    EQU    2           INPUT BUFFER STARTS AT WORD 2               R152_OS       42
 ABOUT    EQU    ABINP+CLLEN OUTPUT BUFFER START                         R152_OS       43
          SPACE  4,10                                                    R152_OS       44
**        DEFINITIONS OF THE SMU META-STATES.                            R152_OS       45
*                                                                        R152_OS       46
                                                                         R152_OS       47
                                                                         R152_OS       48
 SSWDS    EQU    1           WAIT FOR DEADSTART                          R152_OS       49
 SSRUN    EQU    2           NORMAL OPERATING MODE                       R152_OS       50
 SSWIF    EQU    3           WRITE IMAGE FILE                            R152_OS       51
 SSRVT    EQU    4           REVERT TO STAND ALONE                       R152_OS       52
 SSIDL    EQU    5           SMU IDLE                                    R152_OS       53
