[fpc-pascal]wow quite cool example you made there :)
houppermans at home.nl
Thu Mar 18 16:28:26 CET 2004
----- Original Message -----
From: "Nikolay Nikolov" <nickysn at SexMagnet.com>
To: <fpc-pascal at lists.freepascal.org>
Sent: Thursday, March 18, 2004 12:04 PM
Subject: Re: [fpc-pascal]wow quite cool example you made there :)
> Harald Houppermans wrote:
> >WOW very interesting indeed
> >I thought you did it like this:
> > mov CS, blabla
> > mov IP, blabla
> >But now I see !!!
> >You are actually using the parameters:
> >CS := blabla; :)
> >IP := blabla; :)
> >Those interrupt parameters actually allow something which otherwise isn't
> >allowed ?!
> The CS and IP parameters access the return address stored on the stack.
> (so after the iretd it will continue executing from there) In 16-bit DOS
> you can even simulate multithreading using this. Just hook int8 and
> store the CS/IP and all the other registers for the current thread and
> load CS/IP/registers of the next thread to be executed. Alas I didn't
> find a way to do that in 32-bit DPMI. :)
Hmm... so one just keeps cycling like in a circle... hmm
So no problems with losing stuff ?
But euhm... how to exit the program without crashing ?
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