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???
11/23/05 08:38
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#104030 - direct addressing
Responding to: ???'s previous message
Andy Neil said:
TCON is Bit Addressable, so you can use the SET instruction to set individual bits, or MOV to write all the bits at once.

Just adding one thing which is not quite obviuos for the '51 beginners: as the TCON can be directly addressed, logic operations can be performed on it directly too, hence manipulating more bits at once; e.g. XRL TCON,#00010001 or similar.

Jan Waclawek



List of 14 messages in thread
TopicAuthorDate
TMOD            01/01/70 00:00      
   Math            01/01/70 00:00      
   TMOD            01/01/70 00:00      
      clarification            01/01/70 00:00      
         Eh???            01/01/70 00:00      
            thanks            01/01/70 00:00      
               Not quite...            01/01/70 00:00      
                  direct addressing            01/01/70 00:00      
                     The point being...            01/01/70 00:00      
         answer for tmod problem            01/01/70 00:00      
            Tutorial???            01/01/70 00:00      
   which is a whole lot easier to read            01/01/70 00:00      
   answer for tmod problem            01/01/70 00:00      
      Samirul, I am sure that Paul has been pa            01/01/70 00:00      

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