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Annotation of xinu/h/slu11.h, revision 1.1.1.1

1.1       root        1: /* slu.h */
                      2: 
                      3: /* standard serial line unit device constants */
                      4: 
                      5: #define        SLUENABLE       0100            /* device interrupt enable bit  */
                      6: #define        SLUREADY        0200            /* device ready bit             */
                      7: #define        SLUDISABLE      0000            /* device interrupt disable mask*/
                      8: #define        SLUTBREAK       0001            /* transmitter break-mode bit   */
                      9: #define        SLUERMASK       0170000         /* mask for error flags on input*/
                     10: #define        SLUCHMASK       0377            /* mask for input character     */
                     11: 
                     12: /* SLU device register layout and correspondence to vendor's names     */
                     13: 
                     14: struct csr     {
                     15:        int     crstat;         /* receiver control and status  (RCSR)  */
                     16:        int     crbuf;          /* receiver data buffer         (RBUF)  */
                     17:        int     ctstat;         /* transmitter control & status (XCSR)  */
                     18:        int     ctbuf;          /* transmitter data buffer      (XBUF)  */
                     19: };

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