1 /*****************************************************************************
2 ** This is part of the CTSim program
3 ** Copyright (C) 1983-2000 Kevin Rosenberg
5 ** $Id: audio.cpp,v 1.1 2000/06/19 02:58:08 kevin Exp $
7 ** This program is free software; you can redistribute it and/or modify
8 ** it under the terms of the GNU General Public License (version 2) as
9 ** published by the Free Software Foundation.
11 ** This program is distributed in the hope that it will be useful,
12 ** but WITHOUT ANY WARRANTY; without even the implied warranty of
13 ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 ** GNU General Public License for more details.
16 ** You should have received a copy of the GNU General Public License
17 ** along with this program; if not, write to the Free Software
18 ** Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19 ******************************************************************************/
22 * beep sound a beep to user
32 cio_tone (2000.0, 0.3);
36 * tone play a frequency sound for some duration
40 * double freq frequency to play in Hertz
41 * double length duration to play note in seconds
48 cio_tone (double freq, double length)
51 fprintf(stdout, "\007");
53 cio_spkr_freq (freq); /* Set frequency of tone */
54 cio_spkr_on (); /* Turn on speaker */
55 pause (length); /* Pause for length seconds */
56 cio_spkr_off (); /* Turn off speaker */