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???
04/02/05 06:43
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 		 #90854 - nope nope
Responding to: ???'s previous message
Erik, yours will return 22h on input value of 0FFh.

If you want some really dirty code, check this (nothing spared, just I like these tricks - please don't comment, I know the implications on upgradability):
Save This Code
ReverseByte:
   xrl  a,#44h
   movc a,@a+pc
   db   22h,0A2h,62h,0E2h,02h,82h
,.,etc.
;-)

Jan Waclawek

List of 36 messages in thread
TopicAuthorDate
Reversing Algorithm            01/01/70 00:00      
   remembered this one            01/01/70 00:00      
      the fastest code in the west            01/01/70 00:00      
         Am I wrong            01/01/70 00:00      
            not as simple, but less table            01/01/70 00:00      
               lookup table            01/01/70 00:00      
                  nope            01/01/70 00:00      
                     swap, the nibble mirror            01/01/70 00:00      
                        nibble-wise?            01/01/70 00:00      
                     nope nope            01/01/70 00:00      
                        noipe, nope, nope            01/01/70 00:00      
                            noipe, nope, nope, nope            01/01/70 00:00      
                              Ok, Ok. Ok, OK            01/01/70 00:00      
                                 max.255 entries - or the tricks :-)            01/01/70 00:00      
                                    the value of verification            01/01/70 00:00      
                  Mirrored tracks            01/01/70 00:00      
                     Why ?            01/01/70 00:00      
                        Working fine            01/01/70 00:00      
                           why you post wrong code ?            01/01/70 00:00      
                              Yes. Code has bug - Peter            01/01/70 00:00      
                                 efficiency            01/01/70 00:00      
                                    Obvious Vs Smart code            01/01/70 00:00      
                                       sorry            01/01/70 00:00      
                                          No offence - only learning            01/01/70 00:00      
   One byte-reversing solution            01/01/70 00:00      
   Byte Bit Reversal            01/01/70 00:00      
      Re: Byte Bit Reversal            01/01/70 00:00      
   Bit Addressing solution!            01/01/70 00:00      
      Hardware?            01/01/70 00:00      
      2 byte of ram or 2 port?            01/01/70 00:00      
   Three ways:            01/01/70 00:00      
      Three (smart) ways            01/01/70 00:00      
      Thanks, Peter, but...            01/01/70 00:00      
         its faster            01/01/70 00:00      
   Topic has been discussed before            01/01/70 00:00      
   You could try a CPLD            01/01/70 00:00      

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