flat assembler - [MASM vs FASM syntax] Illegal Instruction

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Hazique35

Joined: 01 Apr 2013
Posts: 7

Hazique35 01 Apr 2013, 17:41

Here is my code:

Code:

DOSSEG
.MODEL SMALL
.STACK 200h
.DATA

OurString DB "This is a string of characters"
DB "Do you lack imagination? Put something here!$"

.CODE

START:
MOV AX, SEG OurString
MOV DS, AX

MOV DX, OFFSET OurString
MOV AH, 9h
INT 21h

MOV DX, OFFSET OurString
MOV AH, 9h
INT 21h

MOV AX, 4C00h
INT 21h
END START

This code is taken from a tutorial I was following that should be compiled in tasm, but this is the only IDE that I can get working (and that I like), and I hate the Masm32 editor... Anyway, what is wrong with DOSSEG? How are programs supposed to be written in Fasm, is there a constant way to write the entry point and end point of the program?

thanks

01 Apr 2013, 17:41

baldr

Joined: 19 Mar 2008
Posts: 1651

baldr 01 Apr 2013, 17:45

Hazique35,

Have you read manual or looked in EXAMPLES folder?

01 Apr 2013, 17:45

DOS386

Joined: 08 Dec 2006
Posts: 1900

DOS386 01 Apr 2013, 17:47

> Illegal Instruction - DOSSEG

There are more (OFFSET, MODEL, ...). Your code is MASM code. Get FASM code (see DOS subforum and this subforum and included examples).

> but this is the only IDE that I can get working

FASM has an IDE for DOS and Windows ... but supports only FASM syntax.

PS: Welcome to the FASM forum Smile

PPSS: I fixed your post style and enhanced subject

PPPSSS: today we have April 1st Shocked

01 Apr 2013, 17:47

Hazique35

Joined: 01 Apr 2013
Posts: 7

Hazique35 01 Apr 2013, 18:00

alright, thanks guys!

01 Apr 2013, 18:00

Hazique35

Joined: 01 Apr 2013
Posts: 7

Hazique35 01 Apr 2013, 18:13

Hello again, Ive looked at the hello example, and the when I try and include a file, it says that it cannot find the file. Do I have to type the path to the folder? Ive tried a whole bunch of combos but it doesnt seem to be working.

01 Apr 2013, 18:13

Hazique35

Joined: 01 Apr 2013
Posts: 7

Hazique35 01 Apr 2013, 18:18

Sorry, I tried using the path to the folder and it worked

01 Apr 2013, 18:18

baldr

Joined: 19 Mar 2008
Posts: 1651

baldr 01 Apr 2013, 19:35

Hazique35,

It's better to define INCLUDE path (either as environment variable, or in FASMW.INI).

01 Apr 2013, 19:35

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