www.delorie.com/archives/browse.cgi   search  
Mail Archives: djgpp/1998/01/27/02:21:18

To: THIERRY DOT T DOT I DOT IMMORDINO AT TSI DOT thomson DOT fr
Cc: djgpp AT delorie DOT com
Subject: Re: 387 Opcode
References: <0001F971.MAI*/G=THIERRY/I=TI/S=IMMORDINO/O=TSI/PRMD=THOMSON/ADMD=ATLAS/C=FR AT MHS>
From: Esa A E Peuha <peuha AT cc DOT helsinki DOT fi>
Date: 27 Jan 1998 09:20:07 +0200
In-Reply-To: THIERRY.T.I.IMMORDINO@TSI.thomson.fr's message of 26 Jan 1998 09:28:49 -0100
Message-ID: <86pwwfmo02g.fsf@vesuri.Helsinki.FI>
Lines: 11

THIERRY DOT T DOT I DOT IMMORDINO AT TSI DOT thomson DOT fr writes:

> How can I recognize an FPU opcode at *eip ?

If the byte pointed by eip (the first byte of the opcode) is in the range
[0xd8,0xdf], it's an FPU opcode. Otherwise, it isn't.

-- 
Esa Peuha
student of mathematics at the University of Helsinki
http://www.helsinki.fi/~peuha/

- Raw text -


  webmaster     delorie software   privacy  
  Copyright © 2019   by DJ Delorie     Updated Jul 2019