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Re: [avr-gcc-list] Function Pointers on AT90USB1287 and ATmega2561


From: Peter LaDow
Subject: Re: [avr-gcc-list] Function Pointers on AT90USB1287 and ATmega2561
Date: Fri, 22 Feb 2008 09:45:26 -0800
User-agent: Thunderbird 2.0.0.9 (Windows/20071031)

Weddington, Eric wrote:
> It would be helpful if you filled out an avr-libc bug report. That way
> the issue can be fixed.

Done.

>> But I do find it strange that the AT90USB1287 uses a 3 byte PC for
>> call/ret and reti, thought it only has 128K of flash.
> 
> I find it extremely odd too, and I'm not at all sure that it is correct.
> Some investigation will have to be done to verify this information.

Anything I can do?  I can code up a small chunk of code and show a trace
of the PC and SP during call, ret, and reti.  Would that be helpful?

Pete




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