          TITLE  DSI$RECORD BUFFER DET                                   R152_OS        1
          SPACE  4,10                                                    R152_OS        2
*         PSEUDO REGISTERS, USED AS CONTROL VALUES.                      R152_OS        3
                                                                         R152_OS        4
 RN.NULL  EQU    0#FF        NULL REGISTER DEFINITION FF(16)             R152_OS        5
 RN.PRST  EQU    0#FFE       BUFFER VALUES PRESET FFE(16)                R152_OS        6
 RN.ERR   EQU    0#FFF       ERROR REGISTER DEFINITION FFF(16)           R152_OS        7
          SPACE  4,10                                                    R152_OS        8
*         WRD OFFSETS INTO RECORD BUFFER (RECBFR)                        R152_OS        9
                                                                         R152_OS       10
 RECBFR   BSS    0                                                       R152_OS       11
 RDATA    BSS    10B         MAINTENANCE REGISTER VALUE                  R152_OS       12
 RNBR     CON    0           REGISTER NUMBER                             R152_OS       13
 RCODE    CON    0           REGISTER OPERATION/ SIZE                    R152_OS       14
 RBFRL    EQU    2                                                       R152_OS       15
 ZRECB    SPACE  4,10                                                    R152_OS       16
**        ZERCB - ZERO RECORD BUFFER.                                    R152_OS       17
*                                                                        R152_OS       18
                                                                         R152_OS       19
                                                                         R152_OS       20
 ZRECB    SUBR               ENTRY/EXIT                                  R152_OS       21
          LDN    0                                                       R152_OS       22
          STD    T5                                                      R152_OS       23
 ZRECB1   BSS    0                                                       R152_OS       24
          LDN    0                                                       R152_OS       25
          STM    RDATA,T5                                                R152_OS       26
          AOD    T5                                                      R152_OS       27
          LMN    8D                                                      R152_OS       28
          NJN    ZRECB1                                                  R152_OS       29
          UJN    ZRECBX      RETURN                                      R152_OS       30
