Print date with an exact period of 1000ms

prog/sources/setup-loop.cpp

@@ -46,7 +46,9 @@ void setup (USER_MODE) {
 }
 
 void loop (USER_MODE) {
-	busyWaitDuring(MODE_ 1000);
+	busyWaitUntil(MODE_ counter * 1000);
+	counter++;
+
 	gotoLineColumn(MODE_ 1, 0);
 	printString(MODE_ "Date:");
 	printUnsigned(MODE_ millis(MODE));