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

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   Message 3,260 of 4,675   
   Veek M to R.Wieser   
   Re: mov [a], rcx -vs- mov rax, [a]   
   22 Jan 18 02:46:21   
   
   From: vek.m1234@nospicedham.gmail.com   
      
   On Monday, January 22, 2018 at 2:10:49 AM UTC+5:30, R.Wieser wrote:   
   > Veek,   
   >   
   > > Therefore [a] is a pointer in this case?   
   >   
   > Not just for that one, but for *both* cases.   
   >   
   > >  mov rax, [a]   
   > >  mov [a], rax   
   >   
   > Load/store RAX from/into 8 bytes of memory, starting at the location denoted   
   > by the label "a".   
   >   
   > A single line to describe both, just with the starget and source reversed.   
   >   
   >   
   > And a remark:   
   >   
   > >  mov rax, [a]   ; to store the value of 'a' in rax   
   >   
   >   
   > I think you mean well, but the above remark is actually valid for a rather   
   > different command:   
   >   
   > mov rax,offset a   
   >   
   >  -or possibly even just-   
   >   
   > mov rax,a   
   >   
   > (it depends on the assembler, and the mode its in)   
   >   
   > Suggestion: in your case replace"value" with "contents" (and for the other   
   > case use "offset") to make it less ambigue.   
   >   
   > Regards,   
   > Rudy Wieser   
      
   Thanks Rudy, yeah - on reading it now, I did feel it was unclear.   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)   

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