Fixed Buffered Console behavior which ended up flushing buffer contents once a second and clearing the buffer. We were also incorrectly flushing buffer contents when a connection dropped.

sim_console.c

@@ -186,6 +186,7 @@ if ((sim_con_tmxr.master == 0) &&                       /* not Telnet and not se
 if (tmxr_poll_conn (&sim_con_tmxr) >= 0)                /* poll connect */
     sim_con_ldsc.rcve = 1;                              /* rcv enabled */
 sim_activate_after(uptr, 1000000);                      /* check again in 1 second */
+if (sim_con_ldsc.conn)
     tmxr_send_buffered_data (&sim_con_ldsc);                /* try to flush any buffered data */
 return SCPE_OK;
 }

sim_tmxr.c

@@ -1142,6 +1142,7 @@ for (i = 0; i < mp->lines; i++) {                       /* loop thru lines */
             TMXR_MAXBUF - lp->rxbpi);
 
     if (nbytes < 0) {                                   /* line error? */
+        if (!lp->txbfd) 
             lp->txbpi = lp->txbpr = 0;                  /* Drop the data we already know we can't send */
         tmxr_close_ln (lp);                             /* disconnect line */
         }