mirror of
https://github.com/ekeeke/Genesis-Plus-GX.git
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cab4ecba99
* added an option to set VDP mode (PAL/NTSC) independently from console region. * added an option to select console master clock frequency (PAL/NTSC/AUTO): emulation now run at selected frequency when VSYNC is disabled. * added an option to force VSYNC disabled. * improved screen scaling. [Core] * moved INLINE definition to macros.h * removed unused typedef from osd_cpu.h * cleanup include files
57 lines
2.5 KiB
C
57 lines
2.5 KiB
C
/****************************************************************************
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* gx_audio.c
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*
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* Genesis Plus GX audio support
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*
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* Copyright Eke-Eke (2007-2011), based on original work from Softdev (2006)
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*
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* Redistribution and use of this code or any derivative works are permitted
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* provided that the following conditions are met:
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*
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* - Redistributions may not be sold, nor may they be used in a commercial
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* product or activity.
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*
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* - Redistributions that are modified from the original source must include the
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* complete source code, including the source code for all components used by a
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* binary built from the modified sources. However, as a special exception, the
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* source code distributed need not include anything that is normally distributed
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* (in either source or binary form) with the major components (compiler, kernel,
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* and so on) of the operating system on which the executable runs, unless that
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* component itself accompanies the executable.
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*
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* - Redistributions must reproduce the above copyright notice, this list of
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* conditions and the following disclaimer in the documentation and/or other
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* materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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****************************************************************************************/
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#ifndef _GC_AUDIO_H_
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#define _GC_AUDIO_H_
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/* Length is dimensionned for at least one frame of emulation */
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#define SOUND_BUFFER_MAX_SIZE 4096
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extern u8 soundbuffer[2][SOUND_BUFFER_MAX_SIZE];
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extern u32 mixbuffer;
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extern u32 audioStarted;
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extern void gx_audio_Init(void);
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extern void gx_audio_Shutdown(void);
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extern void gx_audio_Start(void);
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extern void gx_audio_Stop(void);
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extern void gx_audio_Update(void);
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#endif
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