diff --git a/ubbctl/ubbctl.c b/ubbctl/ubbctl.c
index 3c97321..0da9232 100644
--- a/ubbctl/ubbctl.c
+++ b/ubbctl/ubbctl.c
@@ -56,7 +56,6 @@ static void show_pins(void)
 		}
 		printf("%d", pin);
 	}
-	printf("\n");
 }
 
 
@@ -121,8 +120,9 @@ static int setup_pin(const char *s, int doit)
 static void usage(const char *name)
 {
         fprintf(stderr,
-"usage: %s\n"
+"usage: %s [-c]\n"
 "       %s name=value|action ...\n\n"
+"  -c  continously update the pin status (until user interrupts)\n\n"
 "Names:   nPWR, CMD, CLK, DAT0, DAT1, DAT2, DAT3\n"
 "Values:  F, 0, 1, Z, R\n"
 "Actions: ON, OFF\n"
@@ -133,21 +133,39 @@ static void usage(const char *name)
 
 int main(int argc, char **argv)
 {
+	int continuous = 0;
 	int c, i;
 
-	while ((c = getopt(argc, argv, "")) != EOF)
+	while ((c = getopt(argc, argv, "c")) != EOF)
 		switch (c) {
+		case 'c':
+			continuous = 1;
+			break;
 		default:
 			usage(*argv);
 		}
 
+	if (argc != optind && continuous)
+		usage(*argv);
+
 	for (i = optind; i != argc; i++)
 		if (!setup_pin(argv[i], 0))
 			usage(*argv);
 
 	ubb_open(UBB_ALL);
 	if (argc == optind) {
-		show_pins();
+		if (continuous) {
+			while (1) {
+				show_pins();
+				printf("%*s\r", sizeof(pins)/sizeof(*pins)*2,
+				    "");
+				fflush(stdout);
+				usleep(200*1000);
+			}
+		} else {
+			show_pins();
+			putchar('\n');
+		}
 	} else {
 		for (i = optind; i != argc; i++)
 			setup_pin(argv[i], 1);