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Annotation of 42BSD/sys/vaxuba/uureg.h, revision 1.1

1.1     ! root        1: 
        !             2: /*     uureg.h 6.1     83/07/29        */
        !             3: 
        !             4: /*
        !             5:  * DL11-E/DL11-W UNIBUS (for TU58) controller registers
        !             6:  */
        !             7: struct uudevice {
        !             8:        short   rcs;    /* receiver status register */
        !             9:        short   rdb;    /* receiver data buffer register */
        !            10:        short   tcs;    /* transmitter status register */
        !            11:        short   tdb;    /* transmitter data buffer register */
        !            12: };
        !            13: 
        !            14: /*
        !            15:  * Receiver/transmitter status register status/command bits
        !            16:  */
        !            17: #define UUCS_DONE      0x80    /* done/ready */
        !            18: #define        UUCS_READY      0x80
        !            19: #define UUCS_INTR      0x40    /* interrupt enable */
        !            20: #define        UUCS_MAINT      0x02    /* maintenance check (xmitter only) */
        !            21: #define        UUCS_BREAK      0x01    /* send break (xmitter only) */
        !            22: 
        !            23: /*
        !            24:  * Receiver data buffer register status bits
        !            25:  */
        !            26: #define        UURDB_ERROR     0x8000  /* Error (overrun or break) */
        !            27: #define UURDB_ORUN     0x4000  /* Data overrun error */
        !            28: #define        UURDB_BREAK     0x2000  /* TU58 break */
        !            29: 
        !            30: #define        UUDB_DMASK      0x00ff  /* data mask (send and receive data) */
        !            31: 

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