Hmmmm... could be useful for a firmware debugger...

----- Original Message ----- 
From: "Konstantin Zhidkov" <[EMAIL PROTECTED]>
To: "Peter Stuge" <[EMAIL PROTECTED]>
Sent: Friday, March 29, 2002 1:10 AM
Subject: Re: Ron succumbs to the all-powerful x86 architecture.


> --- Peter Stuge <[EMAIL PROTECTED]> wrote:
> > In real mode the location of the interrupt table is 0,
> > without any way to
> > change it.
> 
> LIDT instruction works even in real mode. For example, if
> IDTR.BASE == 0x80000, INT 0x10 instruction will load CS:IP from
> linear address 0x80040. This trick can be used to take over
> interrupts control in real mode.

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