looking for FASM tutorials

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hamsterman

Joined: 11 Sep 2009
Posts: 3

hamsterman 12 Sep 2009, 07:12

Hi,
I've started learning assembler recently, and its going quite well. I understand the use of basic instructions, and if I need something more complicated there is a good reference in this site.
My problem is that I can't find any info about use of segments.
Some examples use

Code:

.code
.data

some,

Code:

section '.code' code readable executable
section '.data' data readable writable

and if I try to write a .com application neither seems to work.

Do you know any articles/tutorials explaining that stuff?
Any replies appreciated

12 Sep 2009, 07:12

revolution
When all else fails, read the source

Joined: 24 Aug 2004
Posts: 20459
Location: In your JS exploiting you and your system

revolution 12 Sep 2009, 07:38

sections are only for .exe files. com files do not support sections, they are purely a binary image.

12 Sep 2009, 07:38

hamsterman

Joined: 11 Sep 2009
Posts: 3

hamsterman 12 Sep 2009, 15:59

Thanks, that covers one point.
still...
Is a segment the same as a section?
What does the syntax of declaring a segment depend on?
What kinds of sections are there?
and so on...

12 Sep 2009, 15:59

revolution
When all else fails, read the source

Joined: 24 Aug 2004
Posts: 20459
Location: In your JS exploiting you and your system

revolution 13 Sep 2009, 04:33

hamsterman wrote:

Thanks, that covers one point.
still...
Is a segment the same as a section?
What does the syntax of declaring a segment depend on?
What kinds of sections are there?
and so on...

http://flatassembler.net/docs.php?article=manual#2.4.2

13 Sep 2009, 04:33

hamsterman

Joined: 11 Sep 2009
Posts: 3

hamsterman 13 Sep 2009, 07:10

Thank you.
didn't notice that part

13 Sep 2009, 07:10

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