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   alt.os.development      Operating system development chatter      4,255 messages   

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   Message 2,487 of 4,255   
   mutazilah@gmail.com to muta...@gmail.com   
   Re: segmentation   
   10 Jul 21 15:31:05   
   
   From: muta...@gmail.com   
      
   On Saturday, July 10, 2021 at 11:04:19 AM UTC+10, muta...@gmail.com wrote:   
      
   > And then a slight adjustment to Windows to support   
   > the extra API calls required by 32-bit huge memory   
   > model programs who need to know how to adjust   
   > the segment register. Which may be a selector   
   > instead???   
      
   Alex explained a scheme to map out 80286 selectors   
   so that they covered the 16 MiB. That can be considered   
   a segment shift too. My calculation is that that would   
   be a 8-bit segment shift.   
      
   I'm wondering whether any 32-bit x86 processor had   
   the same ability. ie since it is a 16:32 address, can you   
   address more than 4 GiB of memory?   
      
   Thanks. Paul.   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)   

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