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

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   Message 4,404 of 4,675   
   wolfgang kern to R.Wieser   
   Re: FPU (x87) code debugging.   
   08 Aug 21 14:57:01   
   
   From: nowhere@nospicedham.never.at   
      
   On 08.08.2021 13:35, R.Wieser wrote:   
      
   >>     0F AE 00        FXSAVE [bx+si]  (ditto)   
      
   > For testing purposes I tend to go with the most basic one first, so I took   
   > that one.   
   > Remark: I'm on XP 32 bit, so the registers are EBX and ESI respectivily.   
   >   
   > Alas, same problem : crash.   
   >   
   > Aligning [EBX+ESI] on a 64 byte boundary (as suggested by robert prins) did   
   > not make a difference.   
      
   within 32 bit:   
   0F AE 00   is FXSAVE [eax]  uses DS:   
   __   
   wolfgang   
      
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