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???
03/31/09 20:52
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 		 #164084 - that just shifts the question...
Responding to: ???'s previous message
Richard Erlacher said:
The same concept was available on the earlier 8048,qith which 805x was touted as source-though-not-object-code compatible.

Absolutely true.
So now the question is, why did Intel decide to use register banks in 8048... :-)

(OK, I think it has been answered already, satisfactorily enough).

JW


List of 29 messages in thread
TopicAuthorDate
Register Bank Concept In 8051            01/01/70 00:00      
   Reg Banks            01/01/70 00:00      
      General??            01/01/70 00:00      
   Deja vu?            01/01/70 00:00      
      Compare ISR for 8051 with 8080            01/01/70 00:00      
      It's legacy from 8048            01/01/70 00:00      
         that just shifts the question...            01/01/70 00:00      
         "Legacy" is not necessarily bad            01/01/70 00:00      
   this is really about ....            01/01/70 00:00      
      Microprocessors respond quickly too            01/01/70 00:00      
         but will need a lot of pushes and pops            01/01/70 00:00      
            PUSHA and POPA            01/01/70 00:00      
         8086 not an X86            01/01/70 00:00      
            It was, at the time ...            01/01/70 00:00      
               80C186EB            01/01/70 00:00      
                  all???            01/01/70 00:00      
                     All 8031s            01/01/70 00:00      
                        verbiage            01/01/70 00:00      
                           Bad Grammar            01/01/70 00:00      
                              preposition 'in' required I feel            01/01/70 00:00      
                                 Good at            01/01/70 00:00      
                                    ok            01/01/70 00:00      
                                    Good with            01/01/70 00:00      
                                       Bad Grammer II            01/01/70 00:00      
                                          I'm very sorry to hear...            01/01/70 00:00      
                                          In the words of Professor Henry Higgins            01/01/70 00:00      
                                             do you have any ? :)            01/01/70 00:00      
                                                You're right ... those OLD books are all in Latin or Aramaic            01/01/70 00:00      
                                       Maybe...            01/01/70 00:00      

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