/**************************************************************************
 *
 *  Othello II v2.53 - 08/02/2004
 *
 *  Copyright (C) 2000-2004 François LEIBER <http://leiber.free.fr>
 *
 *	This file is part of Othello II.
 *
 *	Othello II is free software; you can redistribute it and/or modify
 *	it under the terms of the GNU General Public License as published by
 *	the Free Software Foundation; either version 2 of the License, or
 *	(at your option) any later version.
 *
 *	Othello II is distributed in the hope that it will be useful,
 *	but WITHOUT ANY WARRANTY; without even the implied warranty of
 *	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *	GNU General Public License for more details.
 *
 *	You should have received a copy of the GNU General Public License
 *	along with this program; if not, write to the Free Software
 *	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 *
 *************************************************************************/


INT_HANDLER Nouveau1 = NULL;

/////////////////////////////////////////////////////////////////////////////////////////
//  Joue une note de fréquence 'freq' pour une durée 'duree' (en centièmes de seconde)
/////////////////////////////////////////////////////////////////////////////////////////

void
beep(short freq, long duree)
{
	long    loop, maxloop = freq * duree / 50;
	short   i, j = peekIO(0x60000E);

	if (Son == 0)
		return;
	freq = (HW2 ? 364000 : 278000) / freq;
	pokeIO(0x60000C, 6);
	for (loop = 0; loop < maxloop; loop++)
	{
		pokeIO(0x60000E, j ^= 0x03);
		for (i = 0; i <= freq; i--)
			i += 2;
	}
	pokeIO(0x60000E, j &= 0xFC);
	pokeIO(0x60000C, 0x8D);
}