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Annotation of 43BSD/sys/vaxuba/dmreg.h, revision 1.1.1.1

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:  *     @(#)dmreg.h     7.1 (Berkeley) 6/5/86
                      7:  */
                      8: 
                      9: /*
                     10:  * DM-11 device register definitions.
                     11:  */
                     12: struct dmdevice {
                     13:        short   dmcsr;          /* control status register */
                     14:        short   dmlstat;        /* line status register */
                     15:        short   dmpad1[2];
                     16: };
                     17: 
                     18: /* bits in dm csr */
                     19: #define        DM_RF           0100000         /* ring flag */
                     20: #define        DM_CF           0040000         /* carrier flag */
                     21: #define        DM_CTS          0020000         /* clear to send */
                     22: #define        DM_SRF          0010000         /* secondary receive flag */
                     23: #define        DM_CS           0004000         /* clear scan */
                     24: #define        DM_CM           0002000         /* clear multiplexor */
                     25: #define        DM_MM           0001000         /* maintenance mode */
                     26: #define        DM_STP          0000400         /* step */
                     27: #define        DM_DONE         0000200         /* scanner is done */
                     28: #define        DM_IE           0000100         /* interrupt enable */
                     29: #define        DM_SE           0000040         /* scan enable */
                     30: #define        DM_BUSY         0000020         /* scan busy */
                     31: 
                     32: /* bits in dm lsr */
                     33: #define        DML_RNG         0000200         /* ring */
                     34: #define        DML_CAR         0000100         /* carrier detect */
                     35: #define        DML_CTS         0000040         /* clear to send */
                     36: #define        DML_SR          0000020         /* secondary receive */
                     37: #define        DML_ST          0000010         /* secondary transmit */
                     38: #define        DML_RTS         0000004         /* request to send */
                     39: #define        DML_DTR         0000002         /* data terminal ready */
                     40: #define        DML_LE          0000001         /* line enable */
                     41: 
                     42: #define        DML_ON          (DML_DTR|DML_RTS|DML_LE)
                     43: #define        DML_OFF         (DML_LE)

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