From: terje.mathisen@nospicedham.tmsw.no   
      
   James Van Buskirk wrote:   
   > "James Van Buskirk"  wrote in message news:ol005i$tkm$1@dont-email.me...   
   >>                                             If everyone uses a   
   >> different mapping for the integer register set it seems to me to   
   >> be a source of confusion.   
   >   
   > That said, even Intel contributes to the confusion, for example in   
   > the documentation at the start of this thread or in the Processor   
   > Brand String that you get with CPUID+EAX={80000002 80000003   
   > 80000004}, where the string comes out in the order EAX EBX ECX   
   > EDX, each in little-endian byte order, right-justified.  See   
   > 325462.pdf, Table 3-22, Vol. 2A, p. 3-201.   
   >   
   I think it is relatively obvious that the strange register ordering was   
   so that all the memory-addressing 808x registers would come in a single   
   group, and since BX also allows hi/lo byte access it had to neighbor the   
   AX/CX/DX regs.   
      
   Terje   
      
   --   
   -    
   "almost all programming can be viewed as an exercise in caching"   
      
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