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Annotation of 43BSDReno/sys/vaxuba/uureg.h, revision 1.1

1.1     ! root        1: /*
        !             2:  * Copyright (c) 1982, 1986 Regents of the University of California.
        !             3:  * All rights reserved.  The Berkeley software License Agreement
        !             4:  * specifies the terms and conditions for redistribution.
        !             5:  *
        !             6:  *     @(#)uureg.h     7.1 (Berkeley) 6/5/86
        !             7:  */
        !             8: 
        !             9: 
        !            10: /*
        !            11:  * DL11-E/DL11-W UNIBUS (for TU58) controller registers
        !            12:  */
        !            13: struct uudevice {
        !            14:        short   rcs;    /* receiver status register */
        !            15:        short   rdb;    /* receiver data buffer register */
        !            16:        short   tcs;    /* transmitter status register */
        !            17:        short   tdb;    /* transmitter data buffer register */
        !            18: };
        !            19: 
        !            20: /*
        !            21:  * Receiver/transmitter status register status/command bits
        !            22:  */
        !            23: #define UUCS_DONE      0x80    /* done/ready */
        !            24: #define        UUCS_READY      0x80
        !            25: #define UUCS_INTR      0x40    /* interrupt enable */
        !            26: #define        UUCS_MAINT      0x02    /* maintenance check (xmitter only) */
        !            27: #define        UUCS_BREAK      0x01    /* send break (xmitter only) */
        !            28: 
        !            29: /*
        !            30:  * Receiver data buffer register status bits
        !            31:  */
        !            32: #define        UURDB_ERROR     0x8000  /* Error (overrun or break) */
        !            33: #define UURDB_ORUN     0x4000  /* Data overrun error */
        !            34: #define        UURDB_BREAK     0x2000  /* TU58 break */
        !            35: 
        !            36: #define        UUDB_DMASK      0x00ff  /* data mask (send and receive data) */
        !            37: 

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