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

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   Message 2,593 of 4,255   
   mutazilah@gmail.com to wolfgang kern   
   Re: PDOS/86   
   14 Jul 21 11:18:58   
   
   From: muta...@gmail.com   
      
   On Wednesday, July 14, 2021 at 11:28:58 PM UTC+10, wolfgang kern wrote:   
      
   > >> I try yet to show you how descriptors look like:   
   > >> (copy as text, undo linewrap, rename to HTML and watch)   
   >   
   > > I have no idea what point you are trying to make. If you   
   > > write in German, I'll cut and paste into google translate   
   > > and hopefully see what you are talking about.   
      
   > I appended HTML-source (from my teachers help pages) to show you the   
   > layout of available segment-selectors, no German sentence in there.   
      
   I didn't say there was German in there. I said that I would   
   be happy for you to make your point in German and I will   
   translate it.   
      
   > So you can see that bit shifts aren't a good choice for your task.   
      
   Again, I have no idea what you are talking about.   
      
   At this point I don't even know if you understand my proposal.   
      
   However, I have two more pieces of information:   
      
   1. I mentioned doing a divide followed by a multiply. Actually   
   that can be combined into a single divide so long as the   
   boundary is a multiple of 2 * GDT size. Which may tie you   
   down to a particular processor implementation. Probaby   
   better to keep it separate.   
      
   2. Since you aren't sure whether the x'66' is a no-op on the   
   8086, can you suggest a bit of assembler that can be   
   entered into debug.com on MSDOS so that I can ask the   
   guy with an XT to try it out and provide the result? I don't   
   want to recompile all of my C programs with x'66' littered   
   throughout them only to find out that x'66' makes the   
   8086 explode because it is an alias of HCF.   
      
   Thanks. Paul.   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)   

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