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From: "Meynard" <philippe DOT meynard AT vendeeconcept DOT com>
Newsgroups: comp.os.msdos.djgpp
Subject: Re: direct access on disk on chip
Date: Mon, 27 Oct 2003 09:18:58 +0100
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References: <bn59f4$g8a$1 AT s1 DOT read DOT news DOT oleane DOT net> <7137-Wed22Oct2003164345+0200-eliz AT elta DOT co DOT il>
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To: djgpp AT delorie DOT com
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Yes, I want to save data in a memory batterie backup like disk-on-chip
for save a state of my machine but I need access in 32bits and in real time
and multitasking and not by bios function who use real mode .
So we can used disk-on-chip like a hard disk or like a memory
with programming the window access at D000 to D1FF (8Ko) in
dos segment. But I need too to access register on disk-on-chip to
translate this window of 8Ko for access 16Mo of disk-on-chip.
And I not found how access to this register on Internet.
If you can help Me, Please
Thanks.


"Eli Zaretskii" <eliz AT elta DOT co DOT il> a écrit dans le message de news:
7137-Wed22Oct2003164345+0200-eliz AT elta DOT co DOT il...
> > From: "Meynard" <philippe DOT meynard AT vendeeconcept DOT com>
> > Newsgroups: comp.os.msdos.djgpp
> > Date: Wed, 22 Oct 2003 08:52:17 +0200
> >
> > where can I find source code (in C or assembly) to direct access/read
> > on Disk-on-Chip I want to develop a program who save
> > data in real time.
>
> Please explain what do you mean by ``direct access'' in this context.
> Disk-on-chip pretends to be a hard disk, so I'd expect that BIOS
> functions to access a disk on the sector level should work.  DJGPP has
> biosdisk and _bios_disk functions in its library which should help you
> do that.
>
> If this is not good enough, please tell what else you need.