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???
12/05/05 11:40
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 		 #104699 - A bit shorter ...
Responding to: ???'s previous message
Save This Code
BCD4Bin:
   clr   a
   mov   r2,a
   mov   r3,a
   mov   r4,a
   mov   r5,a
   call  BCD1BinPlus
   call  BCD1BinPlus
   call  BCD1BinPlus
;   call  BCD1BinPlus ;fallthrough
;   ret

BCD1BinPlus:   ;converts BCD in @R0 into bin in ACC; uses no extra resources
   mov   a,@r0
   inc   r0
   xrl   a,#0F0h     ; With or without ... :-)
   jbc   acc.4,BCD1BX1
   add   a,#10
BCD1BX1:
   jbc   acc.5,BCD1BX2
   add   a,#20

   .......





List of 30 messages in thread
TopicAuthorDate
week puzzle V            01/01/70 00:00      
   that would be intersating only to codebr            01/01/70 00:00      
      codebreakers            01/01/70 00:00      
         busted            01/01/70 00:00      
   having a guess            01/01/70 00:00      
   Hmm,isn't it demotivating to reengineer?            01/01/70 00:00      
      Cool algorithm            01/01/70 00:00      
      maybe            01/01/70 00:00      
   Looks like BCD to binary routine            01/01/70 00:00      
   My assumption            01/01/70 00:00      
   The source with comments !            01/01/70 00:00      
      thanks            01/01/70 00:00      
         Seems more elegant ...            01/01/70 00:00      
            optimized=ugly            01/01/70 00:00      
         why "xrl a,#0F0h" ?            01/01/70 00:00      
            Wow!            01/01/70 00:00      
         A bit shorter ...            01/01/70 00:00      
            za Slobodana Mandarica            01/01/70 00:00      
      another approach            01/01/70 00:00      
         optimizing further            01/01/70 00:00      
            packed bcd            01/01/70 00:00      
               packed bcd... by specification :-)            01/01/70 00:00      
      that is not comments, that is "explanati            01/01/70 00:00      
         true if            01/01/70 00:00      
         Yes they are Comments            01/01/70 00:00      
            Exactly !            01/01/70 00:00      
            I have seen such called "comments" way t            01/01/70 00:00      
               more on comments            01/01/70 00:00      
                  the point            01/01/70 00:00      
                     "anyone" and the point            01/01/70 00:00      

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