    DCB_NOT_FOUND          EQU     1       ; THERE WAS NO DCB FOR THE DEVICE REQUESTED.
    DCB_BUSY               EQU     2       ; DCB IS BUSY
    DCB_IDLE_ERR           EQU     3       ; DCB IS IDLE

    NO_DATE_ERR            EQU     4
    NO_FILE_ERR            EQU     5
    FILE_EXISTS_ERR        EQU     6
    NO_FCB_ERR             EQU     7
    MATCH_ERR              EQU     8
    BAD_FNUM_ERR           EQU     9
    EOF_ERR                EQU     10
    TOO_BIG_ERR            EQU     11
    FULL_DIR_ERR           EQU     12
    FULL_TAPE_ERR          EQU     13
    FILE_NM_ERR            EQU     14               ;DLS(8/28/83)
    RENAME_ERR             EQU     15               ;DLS(8/30/83)
    DELETE_ERR             EQU     16               ;DLS(8/30/83)
    RANGE_ERR              EQU     17               ;DLS(8/31/83)

    CANT_SYNC1             EQU     18
    CANT_SYNC2             EQU     19
    PRT_ERR                EQU     20

    RQ_TP_STAT_ERR         EQU     21
    DEV_DEPD_ERR           EQU     22