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ZBasic System Library 309 ZX Microcontroller Family WatchDog Type Subroutine Invocation WatchDog() Discussion This routine resets the watchdog timer, preventing it from resetting the system. A watchdog timer is useful to ensure that your program continues to operate normally. To implement a watchdog timer you first call OpenWatchDog() to prepare the watchdog timer for use. Thereafter, if your program doesn’t call WatchDog() often enough, the watchdog will eventually time out and cause a system reset. See Also CloseWatchDog, OpenWatchDog