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???
10/05/07 15:32
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#145474 - what
Responding to: ???'s previous message

Same interrupt cannot be invoked while own ISP is active:

http://www.8052.com/tutint.phtml#Common%20Problems
"
Remember that interrupts are always terminated with the RETI instruction. It is easy to inadvertantly use the RET instruction instead. However, the RET instruction will not end your interrupt. Usually, using a RET instead of a RETI will cause the illusion of your main program running normally, but your interrupt will only be executed once. If it appears that your interrupt mysteriously stops executing, verify that you are exiting with RETI"

List of 13 messages in thread
TopicAuthorDate
I tested changing prio level from the IT, it works            01/01/70 00:00      
   you MUST be wrong            01/01/70 00:00      
      For Erik            01/01/70 00:00      
   redefine test            01/01/70 00:00      
      what??? and comments            01/01/70 00:00      
         what            01/01/70 00:00      
            IT in derivatives            01/01/70 00:00      
   Stored edges            01/01/70 00:00      
      I'm still certain            01/01/70 00:00      
         I don't see well what you mean.            01/01/70 00:00      
         how about an answer            01/01/70 00:00      
            you are right            01/01/70 00:00      
               just read \"the bible\"            01/01/70 00:00      

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