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Annotation of 42BSD/sys/vaxuba/dmreg.h, revision 1.1.1.1

1.1       root        1: /*     dmreg.h 6.1     83/07/29        */
                      2: 
                      3: /*
                      4:  * DM-11 device register definitions.
                      5:  */
                      6: struct dmdevice {
                      7:        short   dmcsr;          /* control status register */
                      8:        short   dmlstat;        /* line status register */
                      9:        short   dmpad1[2];
                     10: };
                     11: 
                     12: /* bits in dm csr */
                     13: #define        DM_RF           0100000         /* ring flag */
                     14: #define        DM_CF           0040000         /* carrier flag */
                     15: #define        DM_CTS          0020000         /* clear to send */
                     16: #define        DM_SRF          0010000         /* secondary receive flag */
                     17: #define        DM_CS           0004000         /* clear scan */
                     18: #define        DM_CM           0002000         /* clear multiplexor */
                     19: #define        DM_MM           0001000         /* maintenance mode */
                     20: #define        DM_STP          0000400         /* step */
                     21: #define        DM_DONE         0000200         /* scanner is done */
                     22: #define        DM_IE           0000100         /* interrupt enable */
                     23: #define        DM_SE           0000040         /* scan enable */
                     24: #define        DM_BUSY         0000020         /* scan busy */
                     25: 
                     26: /* bits in dm lsr */
                     27: #define        DML_RNG         0000200         /* ring */
                     28: #define        DML_CAR         0000100         /* carrier detect */
                     29: #define        DML_CTS         0000040         /* clear to send */
                     30: #define        DML_SR          0000020         /* secondary receive */
                     31: #define        DML_ST          0000010         /* secondary transmit */
                     32: #define        DML_RTS         0000004         /* request to send */
                     33: #define        DML_DTR         0000002         /* data terminal ready */
                     34: #define        DML_LE          0000001         /* line enable */
                     35: 
                     36: #define        DML_ON          (DML_DTR|DML_RTS|DML_LE)
                     37: #define        DML_OFF         (DML_LE)

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