From:	"Andrew Davidson" <andrew AT lemure DOT freeserve DOT co DOT uk>
Newsgroups:	comp.os.msdos.djgpp
Subject:	Re: Generating Machine Code on the fly
Date:	Fri, 26 Feb 1999 18:47:18 -0000
Organization:	Customer of Planet Online
Lines:	19
Message-ID:	<7b9el1$mi9$1@news7.svr.pol.co.uk>
References:	<7b6qpv$39t$1 AT news8 DOT svr DOT pol DOT co DOT uk> <199902261912 DOT OAA24117 AT envy DOT delorie DOT com> <7b7gra$5nh$1 AT news4 DOT svr DOT pol DOT co DOT uk> <199902270142 DOT UAA26915 AT envy DOT delorie DOT com> <7b80qg$qm3$1 AT news8 DOT svr DOT pol DOT co DOT uk> <36d80527 DOT 13423287 AT 158 DOT 152 DOT 254 DOT 68>
NNTP-Posting-Host:	modem-85.lidocaine.dialup.pol.co.uk
X-Trace:	news7.svr.pol.co.uk 920141281 23113 62.136.60.85 (27 Feb 1999 18:48:01 GMT)
NNTP-Posting-Date:	27 Feb 1999 18:48:01 GMT
X-Complaints-To:	abuse AT theplanet DOT net
X-Priority:	3
X-MSMail-Priority:	Normal
X-Newsreader:	Microsoft Outlook Express 5.00.0810.800
X-MimeOLE:	Produced By Microsoft MimeOLE V5.00.0810.800
To:	djgpp AT delorie DOT com
DJ-Gateway:	from newsgroup comp.os.msdos.djgpp
Reply-To:	djgpp AT delorie DOT com

Kevin <krugman AT nospam DOT demon DOT co DOT uk> wrote in message
news:36d80527 DOT 13423287 AT 158 DOT 152 DOT 254 DOT 68...
>AFIK when you execute a DJGPP compiled program, the Processor is
>switched in to protected mode which gives you
>a 32 bit flat address space. this does mean that your machine code has
>to take this protected mode in to account.
>
>I'm a relative Newbie to DJGPP, but if I'm wrong, I'm sure we'll hear
>all about it :)
>
>Kevin.

Ahah! I thought the 32bit protected mode was simply 'emulated' by CWSDPMI.
So if I wanted to use a relative jump operation would I use the standard
machine code for jump relative, and how far could I jump, relative to the
current pc?

- Raw text -