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???
08/15/06 21:48
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 		 #122313 - Old question
Responding to: ???'s previous message
Goran Igic said:
Why you don't want to use if/else if it works?

This is a very old question!

Many reasons, eg:
  • A string of if/else very soon gets very cumbersome;

  • A string of if/else means that the last option in the string takes far longer to determine than the first;

    etc





    • List of 38 messages in thread
    TopicAuthorDate
    Switch/Case and code protection            01/01/70 00:00      
       What does it do?            01/01/70 00:00      
          I activate MOVC Disable.            01/01/70 00:00      
             In that case ...            01/01/70 00:00      
                Can't tell...uses external CCASE routine            01/01/70 00:00      
                   Things you can and can't do ...            01/01/70 00:00      
                      it does            01/01/70 00:00      
                   (double post, please disregard)            01/01/70 00:00      
       switch can use MOVC instructions            01/01/70 00:00      
          Aha!            01/01/70 00:00      
             protecting LPC chips            01/01/70 00:00      
                protecting LPC chips            01/01/70 00:00      
                   Old question            01/01/70 00:00      
                      case            01/01/70 00:00      
                         Errr...            01/01/70 00:00      
                            There is more than just switch/case            01/01/70 00:00      
                               No C without MOVC            01/01/70 00:00      
                                  Protection on other derivatives            01/01/70 00:00      
                                     Example - AT89C51            01/01/70 00:00      
                                        AT89C51 can do MOVC internal !            01/01/70 00:00      
                                           nope            01/01/70 00:00      
                LPC Protection            01/01/70 00:00      
                   naah, but make it quite a bit more difficult            01/01/70 00:00      
       Compiler Optimisation            01/01/70 00:00      
          sure, but there will still be MOVC            01/01/70 00:00      
             And upgrading the compiler can change the output            01/01/70 00:00      
                the ICEman cometh            01/01/70 00:00      
                   I have found no issues with the ICE            01/01/70 00:00      
                      sure it 'works'            01/01/70 00:00      
             The Reason            01/01/70 00:00      
                no, no, no            01/01/70 00:00      
                   But you said..            01/01/70 00:00      
                      if you heard what I thought I said            01/01/70 00:00      
                         Confused            01/01/70 00:00      
                            jmp @dptr is not movc            01/01/70 00:00      
                               jmp @dptr is a computed goto not a jump table            01/01/70 00:00      
       what requires a movc???            01/01/70 00:00      
          Jump TABLE            01/01/70 00:00      

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