/*************************************************************************************** * Genesis Plus * Sound Hardware * * Copyright (C) 1998-2003 Charles Mac Donald (original code) * Copyright (C) 2007-2016 Eke-Eke (Genesis Plus GX) * * Redistribution and use of this code or any derivative works are permitted * provided that the following conditions are met: * * - Redistributions may not be sold, nor may they be used in a commercial * product or activity. * * - Redistributions that are modified from the original source must include the * complete source code, including the source code for all components used by a * binary built from the modified sources. However, as a special exception, the * source code distributed need not include anything that is normally distributed * (in either source or binary form) with the major components (compiler, kernel, * and so on) of the operating system on which the executable runs, unless that * component itself accompanies the executable. * * - Redistributions must reproduce the above copyright notice, this list of * conditions and the following disclaimer in the documentation and/or other * materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. * ****************************************************************************************/ #ifndef _SOUND_H_ #define _SOUND_H_ /* Function prototypes */ #ifdef HAVE_YM3438_CORE extern void sound_ym3438_set_type(uint8 type); #endif extern void sound_init(void); extern void sound_reset(void); extern int sound_context_save(uint8 *state); extern int sound_context_load(uint8 *state); extern int sound_update(unsigned int cycles); extern void fm_reset(unsigned int cycles); extern void fm_write(unsigned int cycles, unsigned int address, unsigned int data); extern unsigned int fm_read(unsigned int cycles, unsigned int address); #endif /* _SOUND_H_ */