Declare the console port input and output polling units for most simulators to potentially allow asynchronous console I/O.

VAX/vax860_stddev.c

@@ -34,6 +34,7 @@
 */
 
 #include "vax_defs.h"
+#include "sim_tmxr.h"
 #include <time.h>
 
 /* Terminal definitions */
@@ -607,6 +608,7 @@ return SCPE_OK;
 
 t_stat tti_reset (DEVICE *dptr)
 {
+tmxr_set_console_units (tti_unit, tto_unit);
 tti_buf = 0;
 tti_csr = 0;
 tti_int = 0;