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The following example shows how you might program the watchdog
timer in BASIC:
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REM Watchdog timer example program
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OUT &H443, data REM Start and restart the watchdog
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GOSUB 1000 REM Your application task #1,
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OUT &H443, data REM Reset the timer
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GOSUB 2000 REM Your application task #2,
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OUT &H443, data REM Reset the timer
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X=INP (&H443) REM, Disable the watchdog timer
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END
1000 REM Subroutine #1, your application task
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1070 RETURN
2000 REM Subroutine #2, your application task
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2090 RETURN
127
Appendix B
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