Adressing mode

flat assembler
Message board for the users of flat assembler.

Index > Main > Adressing mode

Author

Thread

penguinglx

Joined: 05 Aug 2007
Posts: 10

penguinglx

fld dword 20[ebp]

I got error message for that :invalid operand
can anyone fix that for me ,I read a assembly book , it mentioned about that kind of addressing mode for 80386 and later processors , but I cant make it work with fasm

thanks

25 Aug 2007, 06:38

madmatt

Joined: 07 Oct 2003
Posts: 1045
Location: Michigan, USA

madmatt

With fasm it would be: fld dword [ebp + 20]
looks like masm code?

25 Aug 2007, 06:45

penguinglx

Joined: 05 Aug 2007
Posts: 10

penguinglx

thanks , one more question

Function1:
db c3h ->>> this is Ret instruction

I got Error Message :undefined symbol

help me, why I cant write the opcode

25 Aug 2007, 07:03

0.1

Joined: 24 Jul 2007
Posts: 474
Location: India

0.1

do this:

Code:

db 0c3h

the value is misinterpreted as a symbol. think about it.

25 Aug 2007, 07:55

sinsi

Joined: 10 Aug 2007
Posts: 707
Location: Adelaide

sinsi

heh heh...

0.1

bet you don't make that mistake eh Laughing

25 Aug 2007, 09:11

0.1

Joined: 24 Jul 2007
Posts: 474
Location: India

0.1

yeah sinsi I never made that mistake (so far!) myself Wink

what does "sinsi" mean?

25 Aug 2007, 09:35

sinsi

Joined: 10 Aug 2007
Posts: 707
Location: Adelaide

sinsi

"sinsi" was my dog's name...so sad I know but

Quote:

Man's best friend

etc...

25 Aug 2007, 10:44

0.1

Joined: 24 Jul 2007
Posts: 474
Location: India

0.1

25 Aug 2007, 12:57

DOS386

Joined: 08 Dec 2006
Posts: 1901

DOS386

0.1 wrote:

do this:
Code:
db 0c3h    

Don't do this.

Code:

db $C3

_________________
Bug Nr.: 12345

Title: Hello World program compiles to 100 KB !!!

Status: Closed: NOT a Bug

25 Aug 2007, 23:47

< Last Thread | Next Thread >

Forum Rules:

You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum
You cannot vote in polls in this forum
You cannot attach files in this forum
You can download files in this forum