newbie question operand size

flat assembler
Message board for the users of flat assembler.

Index > Main > newbie question operand size

Author

Thread

Ren

Joined: 09 Jun 2007
Posts: 11

Ren 30 Jun 2007, 07:40

Hello,

When I put:

mov [esi],1 I got:
error: operand size not specified

What does it mean

Greetings,
Ren

30 Jun 2007, 07:40

DOS386

Joined: 08 Dec 2006
Posts: 1905

DOS386 30 Jun 2007, 07:45

> error: operand size not specified

Must be BYTE , WORD or DWORD

1 or 2 or 4 bytes to be written. Wink

_________________
Bug Nr.: 12345

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

Status: Closed: NOT a Bug

30 Jun 2007, 07:45

m

Joined: 28 Dec 2006
Posts: 304
Location: in

m 30 Jun 2007, 10:56

do this:

Code:

mov dword [esi], 1
; or
mov word [esi], 1
; or
mov byte [esi], 1

30 Jun 2007, 10:56

Ren

Joined: 09 Jun 2007
Posts: 11

Ren 30 Jun 2007, 16:18

Yes, that does it
Thank You guys.

Ren

30 Jun 2007, 16:18

< 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