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Re: [Simulavr-devel] Support for atmega2560?
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From: |
Joerg Wunsch |
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Subject: |
Re: [Simulavr-devel] Support for atmega2560? |
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Date: |
Wed, 4 Mar 2015 08:46:45 +0100 |
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User-agent: |
Mutt/1.5.23 (2014-03-12) |
As address@hidden wrote:
> I'm very interested in bringing support for atmega2560 to this
> project, since I am in urgent need for this. There was an old thread
> on the internet where this was briefly mentioned but soon
> abandoned. Can anyone provide some pointers regarding how to
> implement atmega2560 support so I could start from there? Thanks!
I see two problems here.
One is that none of that device family is supported so far
(ATmega2560/2561, ATmega1280/1281, ATmega644), so the peripheral
simulation must be done. Those peripherals differ a lot from their
predecessor family (ATmega128, ATmega64).
However, as the ATmega1284 family is supported, it can probably be
used as a base for porting. I think its peripherals are very similar
to the ATmega2560 & co ones.
The second thing is that a 24-bit PC CPU core must be done. I don't
think anything to that respect has already been done.
--
cheers, Joerg .-.-. --... ...-- -.. . DL8DTL
http://www.sax.de/~joerg/
Never trust an operating system you don't have sources for. ;-)