[time-nuts] FE-5680A firmware dump

Azelio Boriani azelio.boriani at screen.it
Fri Feb 17 10:09:10 UTC 2012

In my opinion you don't need the power of an IDA-class disassembler to
process an 8051-like code. The MCS51 family processors have only 128 or 256
bytes of RAM (and at most 64K ROM) and cannot host complex code.

On Fri, Feb 17, 2012 at 10:27 AM, Elio Corbolante <eliocor at gmail.com> wrote:

> From: Mike McCauley
> >>> I've been considering ripping the firmware from the mcu as well.  I've
> not
> >>> got beyond the consideration stages, but i have all the equipment here
> at
> >>> work. When you say that the read option is not available. is this
> because
> >>> the chip has protection fuses enabled?
> >Id like to help with the disassembly if you can get the binary dump.
> Don't worry: when I will be able to dump the firmware I will let it on the
> public domain.
> BTW, I have the opportunity to use the IDA disassembler (a friend of mine
> is a licensed user) so I think the disassembly of the code will be rather
> good.
> Any knowledge of a public domain 8051 disassembler which can rival IDA in
> performance/code analysis?
> _     Elio.
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