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???
02/13/07 00:27
Modified:
  02/13/07 00:28

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#132703 - It\'s possible in some cases ...
Responding to: ???'s previous message
Were I to build-from-scratch, in FPGA, for example, I'd make the rom very wide and get lots of lookahead options that way, enabling me to execute 3-byte instructions in one cycle, and, in some cases, execute some instructions out of order and some in parallel.

Once "they" went to major internal code space, that option was open to "them."

I've looked at that at some length and believe that it's possible to achieve 100 MIPs at 50 MHz by using that approach.

One of these days ... and my verison won't have that stupid positive-reset.

RE



List of 14 messages in thread
TopicAuthorDate
port expander ... NOT 82C55!            01/01/70 00:00      
   have not, but how about a link            01/01/70 00:00      
      Link...            01/01/70 00:00      
   Not so fast with the TK68HC24            01/01/70 00:00      
      Nothing critically timed ...            01/01/70 00:00      
         Generation of "e" clock            01/01/70 00:00      
         inserting a square peg in a round hole            01/01/70 00:00      
            Yes, it requires tools to make it fit ...            01/01/70 00:00      
               The reason for 2 ALE cycles            01/01/70 00:00      
                  Too bad they weren't smarter ...            01/01/70 00:00      
                     Pipelining in the 8051            01/01/70 00:00      
                        It\'s possible in some cases ...            01/01/70 00:00      
                           technology marches on            01/01/70 00:00      
                              Those Dallas 4-clockers date back to ~1992 or so            01/01/70 00:00      

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