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   comp.lang.asm.x86      Ahh, the lost art of x86 assembly      4,675 messages   

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   Message 4,392 of 4,675   
   wolfgang kern to R.Wieser   
   Re: FPU (x87) code debugging.   
   07 Aug 21 10:40:30   
   
   From: nowhere@nospicedham.never.at   
      
   On 07.08.2021 09:51, R.Wieser wrote:   
   > DJ,   
   >   
   >> If your debugger doesn't support it   
   >   
   > No debugger here (never liked them).   
   >   
   >> you can at least use FSAVE/FRESTOR to fill in a chunk   
   >> of data which you can then inspect.   
   >   
   > Thanks.  That one does give quite a bit of information.   
   >   
   > It does have a drawback though: it re-initializes the FPU stack, meaning it   
   > cannot be used while in the middle of a calculation.  Any idea to some   
   > non-destructive probing ?   
      
   FXSAVE   
   __   
   wolfgang   
      
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