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07/02/10 15:51
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#177067 - emphasizing another factor
Responding to: ???'s previous message
while Michael touches the issue (and I am sure if you read his code it is there) one point should not be forgotten:

The switching of the code between boot app shall depend on no more than one bit (or TRUE/FALSE byte).

I have seen "designs" where the switching is done much more comples and have managed to blow them all (neither boot not app would run) by creating "inconvenient power failures"

Erik

List of 13 messages in thread
TopicAuthorDate
IAP / Dual applications and interrupts            01/01/70 00:00      
   Bootloaders Share Interrupts Like This            01/01/70 00:00      
      not necessarily a good idea            01/01/70 00:00      
         Hogworts.....            01/01/70 00:00      
            interesting concept            01/01/70 00:00      
         an added note            01/01/70 00:00      
   Does the bootloader _have_ to use interrupts?            01/01/70 00:00      
      Forwarding of interrupts.            01/01/70 00:00      
         And for reliability...            01/01/70 00:00      
            Special Hardware Features Also Show up            01/01/70 00:00      
            emphasizing another factor            01/01/70 00:00      
               Let me comment on that...            01/01/70 00:00      
   Yet another consideration with boot loader.            01/01/70 00:00      

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