Lines Matching defs:duart
345 struct duart { struct
349 short modeA; /* ch.A mode reg (read/write) */
350 short statusA; /* ch.A status reg (read) */
352 short cmdA; /* ch.A command reg (write) */
353 short dataA; /* rcv/xmt data ch.A (read/write) */
354 short inchng; /* input change state reg (read) */
356 short istatus; /* interrupt status reg (read) */
358 short CThi; /* counter/timer hi byte (read) */
360 short CTlo; /* counter/timer lo byte (read) */
365 short modeB; /* ch.B mode reg (read/write) */
366 short statusB; /* ch.B status reg (read) */
368 short cmdB; /* ch.B command reg (write) */
369 short dataB; /* ch.B rcv/xmt data (read/write) */
370 short rsrvd;
371 short inport; /* input port (read) */
373 short strctr; /* start counter command (read) */
375 short stpctr; /* stop counter command (read) */