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//
// Copyright(C) 2005-2014 Simon Howard
//
// This program 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.
//
// This program 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.
//
// DESCRIPTION:
// OPL internal interface.
//
#ifndef OPL_INTERNAL_H
#define OPL_INTERNAL_H
#include "opl.h"
typedef int (*opl_init_func)(unsigned int port_base);
typedef void (*opl_shutdown_func)(void);
typedef unsigned int (*opl_read_port_func)(opl_port_t port);
typedef void (*opl_write_port_func)(opl_port_t port, unsigned int value);
typedef void (*opl_set_callback_func)(unsigned int us,
opl_callback_t callback,
void *data);
typedef void (*opl_clear_callbacks_func)(void);
typedef void (*opl_lock_func)(void);
typedef void (*opl_unlock_func)(void);
typedef void (*opl_set_paused_func)(int paused);
typedef void (*opl_adjust_callbacks_func)(float value);
typedef struct
{
char *name;
opl_init_func init_func;
opl_shutdown_func shutdown_func;
opl_read_port_func read_port_func;
opl_write_port_func write_port_func;
opl_set_callback_func set_callback_func;
opl_clear_callbacks_func clear_callbacks_func;
opl_lock_func lock_func;
opl_unlock_func unlock_func;
opl_set_paused_func set_paused_func;
opl_adjust_callbacks_func adjust_callbacks_func;
} opl_driver_t;
// Sample rate to use when doing software emulation.
extern unsigned int opl_sample_rate;
#endif /* #ifndef OPL_INTERNAL_H */
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