h6. [[WindowManager]] h6(. » [[WindowManager SWI Calls|SWI Calls]] h6((. » Wimp_SetWatchdogState h2. Wimp_SetWatchdogState h5. (SWI &400FA) |_<^. Entry |_<^. | |/2<^. R0 |<^. 0 to turn off, or | |<^. 1 to turn on | |<^. R1 |<^. Password (must be same for off as for on) | |_<^. Exit |_<^. | |<^. R0 |<^. Preserved | |<^. R1 |<^. Preserved | h4. Use The purpose of this call is to implement a screenlocking mechanism, as found in screensavers and the alike. h4. Notes It is advisable to implement a password when turning on the watchdog. The password must then be supplied before the watchdog can be turned off. This will also ensure that other tasks cannot over-ride a screenlock.