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???
12/23/08 10:45
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#161112 - 3 bits in single instruction byte
Responding to: ???'s previous message
Also, accessing these locations via their "Rn" names is quicker than accessing them via their absolute addresses - but is limited to just these 32 locations.

Or more specifically: but is limited to just an 8-group out of these 32 locations.

Many of the instructions has 3 bits dedicated to select 8 of these locations - R0 .. R7 - whithin the currently selected bank. For example ADD A,Rx looks like 00101xxx where xxx specifies which register to use.

List of 6 messages in thread
TopicAuthorDate
What is banked access needed for ?            01/01/70 00:00      
   Register Banks?            01/01/70 00:00      
      3 bits in single instruction byte            01/01/70 00:00      
      and bank switching ?            01/01/70 00:00      
         Overhead            01/01/70 00:00      
            Got it now            01/01/70 00:00      

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