48 lines
1.4 KiB
C
48 lines
1.4 KiB
C
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// Emacs style mode select -*- C++ -*-
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//-----------------------------------------------------------------------------
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//
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// Copyright(C) 2007 Simon Howard
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//
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of the GNU General Public License
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// as published by the Free Software Foundation; either version 2
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// of the License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
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// 02111-1307, USA.
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//
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// DESCRIPTION:
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// PC speaker interface.
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//
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//-----------------------------------------------------------------------------
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#ifndef PCSOUND_INTERNAL_H
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#define PCSOUND_INTERNAL_H
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#include "pcsound.h"
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#define PCSOUND_8253_FREQUENCY 1193280
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typedef struct pcsound_driver_s pcsound_driver_t;
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typedef int (*pcsound_init_func)(pcsound_callback_func callback);
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typedef void (*pcsound_shutdown_func)(void);
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struct pcsound_driver_s
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{
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char *name;
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pcsound_init_func init_func;
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pcsound_shutdown_func shutdown_func;
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};
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extern int pcsound_sample_rate;
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#endif /* #ifndef PCSOUND_INTERNAL_H */
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