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10/21/09 07:47
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#169933 - DEC DPTR
Responding to: ???'s previous message
Winbond/Nuvoton in their 4-clocker core (W79xxx) implemented a DEC DPTR instruction (utilising the "unused" opcode 0A5h)

For the "biblical" '51 see Juergen Christoph's very detailed overview of various implementations of DEC DPTR in the code library.

JW

List of 5 messages in thread
TopicAuthorDate
Decrement DPTR            01/01/70 00:00      
   Try this            01/01/70 00:00      
      The DS89C4x0's will do it automatically            01/01/70 00:00      
         Any others?            01/01/70 00:00      
            DEC DPTR            01/01/70 00:00      

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