AVR-Chat

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>Are you sure SP is at 045F when at Panic?
>Is the error happening always at 6513 loop count?

That's what it says there on the left in "Stack Pointer" 0X45F when I'm sitting at the PANIC breakpoint..

>Include an extra instruction in the Stack_Check just to force the simulation software to use different size of memory, etc, and see if the problem happens again at 6513 count.

I'll try this later, for now I've just rem'd out the panic check.
I have other fish to fry..

Still bugged by the INT1 though.. I hate it when a disabled int fires, even more so in SIM where there's no hardware to trigger it....