nasm compatibility

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adefeo

Joined: 12 Jan 2004
Posts: 46
Location: Bellmore, Long Island, New York

adefeo 12 Jan 2004, 20:20

is FASM NASM compatible?

12 Jan 2004, 20:20

adefeo

Joined: 12 Jan 2004
Posts: 46
Location: Bellmore, Long Island, New York

adefeo 12 Jan 2004, 20:41

fine if nobody wants to answer i'll take my business elsewhere (like back to NASM) Evil or Very Mad

12 Jan 2004, 20:41

Tomasz Grysztar

Joined: 16 Jun 2003
Posts: 8465
Location: Kraków, Poland

Tomasz Grysztar 12 Jan 2004, 20:54

You haven't given us too much time to answer (I really don't dedicate all my time to browse this board).
Fasm is not really NASM-compatible, but many simple sources that don't use any specialized directives can be compiled in the same form with both assemblers (though there are also some differences related to fasm's code optimization, and fasm doesn't force you to use size operator when size of data is already determined by label type).
As for the specialized directives, I can't answer with details, as I don't know NASM that much.

12 Jan 2004, 20:54

decard

Joined: 11 Sep 2003
Posts: 1092
Location: Poland

decard 12 Jan 2004, 20:57

heya... people need sometime to answer Razz

Well, both assemblers have similar syntax (based on TASM's ideal mode) but they differ in some solutions, for example in NASM you write something like this:

Code:

[BITS 16]
[org 0x100]

while in FASM:

Code:

use16
org 0x100

but anyway porting your code to FASM should be rather easy... For details, check FASM examples, and manual Smile

12 Jan 2004, 20:57

adefeo

Joined: 12 Jan 2004
Posts: 46
Location: Bellmore, Long Island, New York

adefeo 12 Jan 2004, 21:16

thanks.....and sorry for rushing you guys.

12 Jan 2004, 21:16

fasm9

Joined: 19 Jun 2003
Posts: 439

fasm9 12 Jan 2004, 21:39

adefeo wrote:

fine if nobody wants to answer i'll take my business elsewhere (like back to NASM)

Hi, Excuse my interrupting you, i have a question.

Do you feel NASM lack something?
if yes, please come here, try to learn FASM..

--
PS: imo, study electronics rather than each-assembler-syntax.
truth is unchangeable. and common sense.

Last edited by fasm9 on 17 Jan 2004, 04:15; edited 1 time in total

12 Jan 2004, 21:39

stevedperkins

Joined: 16 Jan 2004
Posts: 1

stevedperkins 16 Jan 2004, 21:07

Quote:

fine if nobody wants to answer i'll take my business elsewhere (like back to NASM)

LOL... your orgininal question and this "follow-up" are only 20 minutes apart! You DO realize that this isn't IRC, right? I don't know exactly how much "business" you can provide to free/open-source assemblers... but maybe it would be best if you did look somewhere else.

16 Jan 2004, 21:07

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