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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