From: Damian Yerrick <Bullcr_pd_yerrick AT hotmail DOT comRemoveBullcr_p>
Newsgroups: comp.os.msdos.djgpp
Subject: Re: VBE question
Organization: Pin Eight Software  http://pineight.8m.com/
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References: <28c76e20 DOT c6fa7a9c AT usw-ex0102-013 DOT remarq DOT com> <Pine DOT SUN DOT 3 DOT 91 DOT 1000409083542 DOT 7469N-100000 AT is>
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NNTP-Posting-Date: Mon, 10 Apr 2000 03:36:52 GMT
Distribution: world
Date: Mon, 10 Apr 2000 03:36:52 GMT
To: djgpp AT delorie DOT com
DJ-Gateway: from newsgroup comp.os.msdos.djgpp
Reply-To: djgpp AT delorie DOT com

On Sun, 9 Apr 2000 08:36:03 +0200 (IST), Eli Zaretskii
<eliz AT is DOT elta DOT co DOT il> wrote:

>On Fri, 7 Apr 2000, batchex wrote:
>
>> Umm, I just looking for a compromise, between memory protection
>> and near pointers. Because I'll do much ASM in the project,
>> using far pointers can cause much pain for me, all that pushing
>> & popping segment pointers.
>
>Sorry, I don't understand: what pushing and popping?  All you need to
>access a far pointer in assembly is to load FS with the _dos_ds
>selector (once) and then use the fs: segment override.

What are the names of those segments?
SS = stack
CS = code
DS = data
ES = extra
  (DS = ES = SS references the same memory as CS, right?)
FS = farptr
GS = ?

>> And I think I left that behind when moving from real mode to
>> protected mode programming....
>
>You can leave that behind if you access the ``normal'' memory mapped
>into your address space.  Accessing devices mapped into specific
>absolute addresses is not something ``normal'' programs do.

If you leave far memory access to libraries (Allegro, etc.),
your program can remain a ``normal'' program, right?

-- 
Damian Yerrick
"I refuse to listen to those who refuse to listen to reason."
See the whole sig: http://www.rose-hulman.edu/~yerricde/sig.html

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