From: user5857@newsgrouper.org.invalid   
      
   Michael S  posted:   
      
   > On Tue, 04 Nov 2025 22:51:28 GMT   
   > MitchAlsup  wrote:   
   >   
   > > Thomas Koenig  posted:   
   > >   
   > > > Terje Mathisen  schrieb:   
   > > >   
   > > > > I still think the IBM DFP people did an impressively good job   
   > > > > packing that much data into a decimal representation. :-)   
   > > >   
   > > > Yes, that modulo 1000 packing is quite clever.  It is relatively   
   > > > cheap to implement in hardware (which is the point, of course).   
   > > > Not sure how easy it would be in software.   
   > >   
   > > Brain dead easy: 1 table of 1024 entries each 12-bits wide,   
   > >                  1 table of 4096 entries each 10-bits wide,   
   > > isolate the 10-bit field, LD the converted value.   
   > > isolate the 12-bit field, LD the converted value.   
   > >   
   > > Other than "crap loads" of {deMorganizing and gate optimization}   
   > > that is essentially what HW actually does.   
   > >   
   > > You still need to build 12-bit decimal ALUs to string together   
   >   
   > Are talking about hardware or software?   
   >   
   A SW solution based on how it would be done in HW.   
      
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