diff -r ff76255904c4 -r 4b186b5ce145 carrerashark/main.c
--- a/carrerashark/main.c	Mon Dec 05 17:14:32 2011 +0100
+++ b/carrerashark/main.c	Tue Dec 06 11:04:33 2011 +0100
@@ -191,7 +191,7 @@
     PORTD |= _BV(PD7);
 
     RS232_init(); // initialize RS232 interface
-    RS232_puts_p(PSTR("CarreraShark 1.2\nA = Show all data live\nC = Show only when data changes"));
+    RS232_puts_p(PSTR("CarreraShark 1.2\nA = Show all data live\nC = Show only when prog high changes"));
 
     sei();
     i = 0;
@@ -204,7 +204,7 @@
             response = 0;
             RS232_puts( s );
             RS232_putc('\n');
-            while (1) ;
+            //while (1) ;
         }
 
         if (data != 0) {
@@ -216,7 +216,7 @@
                     if (showall == 0) {
                         // compare old & new cycle
                         cycle_changed = 0;
-                        for (i=0; i<10;i++ ) if (cycle[i] != cycle_old[i]) cycle_changed = 1;
+                        for (i=0; i<10;i++ ) if ( (cycle[i] & 0xff00) != (cycle_old[i] & 0xff00) ) cycle_changed = 1;
                     }
                     if ( (showall != 0) || (cycle_changed != 0) ) {
                         for (i=0; i<10;i++ ) {