Hell, that ain't even new.  Most microcontrollers
have had a model or two with code protection since
the 80s.

Rob Studdert wrote:
On 8 Jun 2003 at 14:20, [EMAIL PROTECTED] wrote:


And that there are any bytes left over in the address space
to stick the new code into.  (Of the two, recognizing the
JMP instructions is the more easily solvable.  How many
different embedded controllers are in common use these
days?  ID the controller and look it up, or try different
interpretations of the code until you find one that starts
making sense.)


Many late microcontrollers have on-board EEPROMs and code protection security. I've just been down this path with a W78E58.

Rob Studdert
HURSTVILLE AUSTRALIA
Tel +61-2-9554-4110
UTC(GMT)  +10 Hours
[EMAIL PROTECTED]
http://members.ozemail.com.au/~distudio/publications/
Pentax user since 1986, PDMLer since 1998






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