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flat assembler > Macroinstructions > Struct offset (2 developers of fasm)

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Alexandoros



Joined: 20 Aug 2004
Posts: 3
Now i wrote like this:

Code:
 
     ...
    struc   CPoint 
     {
            x rw 1
            y rw 1
            z rw 1   
      }
       ....
    point     CPoint 
     .....

     mov    si,point
    mov    [si + point.z - point], 12
    


Is it possible to do something like this:

Code:
     
mov    si,point
mov    [si + CPoint.z ], 12
    

with result exactly before ??
p.s. sorry for my english
Post 20 Aug 2004, 21:17
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Tomasz Grysztar
Assembly Artist


Joined: 16 Jun 2003
Posts: 7318
Location: Kraków, Poland
Code:
virtual at si
  si_point CPoint
end virtual

mov si,point
mov [si_point.z],12    

You can use whatever label you want.
Post 20 Aug 2004, 21:26
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Alexandoros



Joined: 20 Aug 2004
Posts: 3
ye,ye i know about this way, but how about 20 different struct and 4 registers (for example) = 80 virtual define? Too much.
Macro? - Only 1 name, possible many mistake, and code will be not so good readable. But its IMHO.

I can not speak you what to do, but if future with local offset inside struct will be introduced - its will be very cool.
Post 20 Aug 2004, 23:11
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Tomasz Grysztar
Assembly Artist


Joined: 16 Jun 2003
Posts: 7318
Location: Kraków, Poland
When you want just the local offset, do the same what the "struct" macro does:
Code:
virtual at 0
  CPoint CPoint 
end virtual 

mov si,point 
mov [si+CPoint.z],12    
Post 20 Aug 2004, 23:39
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Alexandoros



Joined: 20 Aug 2004
Posts: 3
Thx, its work.
Post 22 Aug 2004, 05:07
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