Date: Sun, 27 Aug 2000 20:58:18 +0200
From: "Eli Zaretskii" <eliz AT is DOT elta DOT co DOT il>
Sender: halo1 AT zahav DOT net DOT il
To: gpatola AT lemon DOT ia DOT polsl DOT gliwice DOT pl
Message-Id: <7458-Sun27Aug2000205817+0300-eliz@is.elta.co.il>
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	=?iso-8859-2?Q?Grzegorz_Pato=B3a?= on Sun, 27 Aug 2000 18:15:22 -0700)
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> From: =?iso-8859-2?Q?Grzegorz_Pato=B3a?= <gpatola AT lemon DOT ia DOT polsl DOT gliwice DOT pl>
> Date: Sun, 27 Aug 2000 18:15:22 -0700
>
> and finally I cant get more then 10000 tics per sec. Above this value my
> computer hanged up (AMD 350MHz)
> but under a real mode in BC similar routine can reach sth about 70000.
> It is possible to increse this value ???

Protected-mode interrupt handling incurs some overhead, especially if
you chain to the previous handler.  See section 18.11 in the DJGPP FAQ
for some advice how to get the highest possible interrupt rate out of
your machine.