Add -rt option to synch sim to wall time

	* Active during cpu power-down to avoid run-away
	  sim time. Useful for interactive applications.

1 files changed, 4 insertions, 0 deletions

diff --git a/sis.c b/sis.c
index ff351f8..2dc76ce 100644
--- a/sis.c
+++ b/sis.c
@@ -147,6 +147,10 @@ main (argc, argv)
 	    {
 	      run = 1;
 	    }
+	  else if (strcmp (argv[stat], "-rt") == 0)
+	    {
+	      sync_rt = 1;
+	    }
 	  else if (strcmp (argv[stat], "-erc32") == 0)
 	    {
 	      lcputype = CPU_ERC32;