>> But do you realize that the PIC stack is not circular? When you pop a
>> return address, the 'oldest' address in stack is duplicated.
>
> Data sheet said circular but I might have misread it.

I checked, it definitely says so (at least for the 2 chips I checked).

Now I clearly remember reading the 'copies oldest entry' explanation=20
somewhere, maybe in an app note. I posted about this years ago.

Maybe Olin remembers, I think he was around back then.

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Wouter van Ooijen

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