mirror of
https://github.com/fabiangreffrath/woof.git
synced 2025-08-03 12:47:01 -04:00
3af836ec2e
* add OPL emulation from Chocolate Doom * get rid of detect_voices * split the SDL music backend into a separate source file * add post-realloc() check * add OPL emulation copyright holders * add some minimal comments * add config variable and menu item * sacrifice PCX format screenshot menu entry
59 lines
1.8 KiB
C
59 lines
1.8 KiB
C
//
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// Copyright(C) 2005-2014 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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// DESCRIPTION:
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// OPL internal interface.
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//
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#ifndef OPL_INTERNAL_H
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#define OPL_INTERNAL_H
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#include "opl.h"
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typedef int (*opl_init_func)(unsigned int port_base);
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typedef void (*opl_shutdown_func)(void);
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typedef unsigned int (*opl_read_port_func)(opl_port_t port);
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typedef void (*opl_write_port_func)(opl_port_t port, unsigned int value);
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typedef void (*opl_set_callback_func)(uint64_t us,
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opl_callback_t callback,
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void *data);
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typedef void (*opl_clear_callbacks_func)(void);
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typedef void (*opl_lock_func)(void);
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typedef void (*opl_unlock_func)(void);
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typedef void (*opl_set_paused_func)(int paused);
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typedef void (*opl_adjust_callbacks_func)(float value);
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typedef struct
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{
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const char *name;
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opl_init_func init_func;
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opl_shutdown_func shutdown_func;
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opl_read_port_func read_port_func;
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opl_write_port_func write_port_func;
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opl_set_callback_func set_callback_func;
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opl_clear_callbacks_func clear_callbacks_func;
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opl_lock_func lock_func;
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opl_unlock_func unlock_func;
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opl_set_paused_func set_paused_func;
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opl_adjust_callbacks_func adjust_callbacks_func;
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} opl_driver_t;
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// Sample rate to use when doing software emulation.
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extern unsigned int opl_sample_rate;
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#endif /* #ifndef OPL_INTERNAL_H */
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