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mikep
Joined: 24 Sep 2005
Location: Austin, TX
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Posted: 15 July 2008, 0:20 AM Post subject: OpenWatchdog(8/9) Fails |
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The following program works correctly on ZX-24n, ZX-24ne, and ZX-1281e. | Code: | Sub Main()
Debug.Print "start"
Call OpenWatchDog(7)
Do
Call WatchDog()
Call Sleep(2.0)
Debug.Print "wakeup"
Loop
End Sub |
However if 8 or 9 is used as a parameter to OpenWatchdog then the processor continually resets itself. |
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dkinzer
Site Admin
Joined: 03 Sep 2005
Location: Portland, OR
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Posted: 15 July 2008, 2:36 AM Post subject: Re: OpenWatchdog(8/9) Fails |
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| mikep wrote: | | However if 8 or 9 is used as a parameter to OpenWatchdog then the processor continually resets itself. |
Confirmed. In actuality, 8 and 9 have the same effect as 0 and 1 - too fast for the periodic watchdog resets thus yielding the continual reset behavior observed..
The workaround is to use &H20 and &H21 in place of 8 and 9, respectively. |
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