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flat assembler > Main > How to use relativeto in fasmg?

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l4m2



Joined: 15 Jan 2015
Posts: 614
Code:
a equ 12
b equ 12 + x
if a relativeto x
  display 'Hi'
end if    

If x is not defined, it says
fasmg wrote:
Error: symbol 'x' is undefined or out of scope.

Code:
a equ 12 * x
b equ 12 + x
x=0
if a relativeto x
  display 'Hi'
end if    

If x is defined, it displays, regardless of whether x-a is a constant.
Post 15 Aug 2016, 10:37
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Tomasz Grysztar
Assembly Artist


Joined: 16 Jun 2003
Posts: 6928
Location: Kraków, Poland
This works the same as in fasm - if you assemble the above samples with fasm 1.71, you're going to get the same results.

The only difference is that in fasm "relativeto" can only be used to check if expression is relative to one of the addressing symbols pre-defined by the assembler (like "if a relativeto ebx"), while in fasmg you freely define such symbols yourself, with "element" directive:
Code:
element x
a equ 12
b equ 12 + x 

if a relativeto x
  display 'a'
end if

if b relativeto x
  display 'b'
end if    
Post 15 Aug 2016, 11:46
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