Date: Sun, 20 Feb 2000 11:35:12 +0200 (IST) From: Eli Zaretskii X-Sender: eliz AT is To: Florian X cc: djgpp AT delorie DOT com Subject: Re: real mode & protected mode In-Reply-To: <38ad822a$0$72090@SSP1NO17.highway.telekom.at> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Reply-To: djgpp AT delorie DOT com Errors-To: dj-admin AT delorie DOT com X-Mailing-List: djgpp AT delorie DOT com X-Unsubscribes-To: listserv AT delorie DOT com Precedence: bulk On Fri, 18 Feb 2000, Florian X wrote: > PROTECTED MODE: > > You can use all ram and flat memory, have no interrupts, so you need an DPMI > surver which switch back to realmode to start a interrupt. Not true: protected mode can use interrupts exactly as real mode can. The only difference is that instead of the real-mode Interrupt Vector Table, where each entry is a real-mode seg:off address of the interrupt service routine, in protected mode there's the Interrupt Descriptor Table, where each entry is the selector:offset address of an interrupt gate.