+#if 1
+
+#ifdef TARGET_SDL
+static unsigned long getCurrentMS()
+{
+ return SDL_GetTicks();
+}
+
+#else /* !TARGET_SDL */
+
+#if defined(PLATFORM_UNIX)
+static unsigned long getCurrentMS()
+{
+ struct timeval current_time;
+
+ gettimeofday(¤t_time, NULL);
+
+ return current_time.tv_sec * 1000 + current_time.tv_usec / 1000;
+}
+#endif /* PLATFORM_UNIX */
+#endif /* !TARGET_SDL */
+
+static unsigned long mainCounter(int mode)
+{
+ static unsigned long base_ms = 0;
+ unsigned long current_ms;
+
+ /* get current system milliseconds */
+ current_ms = getCurrentMS();
+
+ /* reset base timestamp in case of counter reset or wrap-around */
+ if (mode == INIT_COUNTER || current_ms < base_ms)
+ base_ms = current_ms;
+
+ /* return milliseconds since last counter reset */
+ return current_ms - base_ms;
+}
+
+#else
+