>I,m using mplab and an ICD to debug  a program running on an F873. I
>suspect a stack overflow, however the 'stack window' in mplab is greyed
>out, so I'm unable to monitor it.

Can you not simulate it in MPLAB with the stack overflow switch on? I have
not been through the loop of trying to detect this situation, but know there
is a switch there which warns of a stack overflow condition.

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