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01/17/08 18:37
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#149664 - Explanation
Responding to: ???'s previous message
Maarten Brock said:
CBut to claim that one does not have to think when single-stepping and finding something unexpected is over the top. You still need to think why it does that unexpected thing and how to solve it. It's only easier to find what it actually does and what exactly is the unexpected behaviour when you use an ICE.


I didn't say you don't have to think when using ICE. But you certainly have to think less. You can easily single step until you see your program do some branch you weren't expecting and then you think about only that. If you don't have ICE, you go through your program and really think hard about each instruction. When you're a newbie, you go back and verify that you really know what each instruction is doing, what flags it is setting, etc.

When you use ICE, you may end up doing that--but only for the instruction that unexpectedly branched, or the flag-setting instructions immediately preceding it.

ICE definitely makes you more efficient. No doubt about that. But I think a newbie benefits from actually suffering through their errors and not just thinking about the actual instruction that turns out to be wrong, but along the way studying and confirming their understanding of many instructions that were actually right.

You learn through failure, not success. ICE can make a failure an awfully short experience which means you're going to learn less from it. When a failure makes you question your entire program, the newbie ultimately learns and benefits from that.

IMHO.

Regards,
Craig Steiner


List of 71 messages in thread
TopicAuthorDate
8052.com SBC and Book            01/01/70 00:00      
   I'd go silabs derivative devboard            01/01/70 00:00      
      ICE functionality            01/01/70 00:00      
         an incomplete list            01/01/70 00:00      
            amplification            01/01/70 00:00      
               No, only the flash based            01/01/70 00:00      
                  never knew            01/01/70 00:00      
            P89LPC952            01/01/70 00:00      
               952 vs SILabs            01/01/70 00:00      
         yes, but...            01/01/70 00:00      
            sure, but what then            01/01/70 00:00      
               Who said that?            01/01/70 00:00      
                  I did            01/01/70 00:00      
                     Idiot            01/01/70 00:00      
                        well, somebody had to teach them :(            01/01/70 00:00      
               Problem with that            01/01/70 00:00      
                  unnecessarily hard            01/01/70 00:00      
                     Explanation            01/01/70 00:00      
                        yes and no            01/01/70 00:00      
                           Maybe in a back chapter            01/01/70 00:00      
                              SoftICE            01/01/70 00:00      
                        The nature of learning            01/01/70 00:00      
                           of course, education is absorbing information AND            01/01/70 00:00      
                           comment or amplification            01/01/70 00:00      
                              the embedded printf            01/01/70 00:00      
                              Erik, we two might disagree in many points...            01/01/70 00:00      
                              The right tool for the Job            01/01/70 00:00      
                                 beginners should use the i805x            01/01/70 00:00      
                                 one more right tool for the job            01/01/70 00:00      
                              Clarification            01/01/70 00:00      
                                 comments on clarifications            01/01/70 00:00      
                                    Printfs            01/01/70 00:00      
                  maybe not so much ...            01/01/70 00:00      
                     comments/replies            01/01/70 00:00      
                  comments/replies            01/01/70 00:00      
   What about PLCC?            01/01/70 00:00      
      interesting, but ...            01/01/70 00:00      
         A PLCC Socket is solderable            01/01/70 00:00      
         OOPS            01/01/70 00:00      
            I was wondering...            01/01/70 00:00      
               PLC, not PLCC            01/01/70 00:00      
      better if socketed            01/01/70 00:00      
         Socketed - Yes            01/01/70 00:00      
            perhaps you have missed the point            01/01/70 00:00      
   multi-option implementation            01/01/70 00:00      
      Not much            01/01/70 00:00      
   It depends on the board quality ...            01/01/70 00:00      
   schmartboard            01/01/70 00:00      
   Supply PCB with only the smd micro placed            01/01/70 00:00      
   leave it            01/01/70 00:00      
      that makes sense to me ...            01/01/70 00:00      
   simple is still good....            01/01/70 00:00      
      why bother            01/01/70 00:00      
         last time I bought 32KB SRAM I paid $0.48US            01/01/70 00:00      
         use part of a bigger one            01/01/70 00:00      
            that's not really a problem...            01/01/70 00:00      
               it is a problem if you rely on DIL packaging            01/01/70 00:00      
                  what is your definition of "obsoleted"?            01/01/70 00:00      
                     Problem            01/01/70 00:00      
                        Have you seen this?            01/01/70 00:00      
                     Over the last year ...            01/01/70 00:00      
      Gee ... that thing really costs a lot ...            01/01/70 00:00      
         no, it does not            01/01/70 00:00      
            $50            01/01/70 00:00      
            I meant this one            01/01/70 00:00      
   Thanks for comments, keep them coming            01/01/70 00:00      
      nothing comes free...            01/01/70 00:00      
         or            01/01/70 00:00      
         No problem with other design            01/01/70 00:00      
      How about a mezzanine board ... and some tools?            01/01/70 00:00      
         with some really slick code ...            01/01/70 00:00      

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