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/* sound.h: Sound support
Copyright (c) 2000-2004 Russell Marks, Matan Ziv-Av, Philip Kendall
Copyright (c) 2016 Fredrick Meunier
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.
You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
Author contact information:
E-mail: philip-fuse@shadowmagic.org.uk
*/
#ifndef FUSE_SOUND_H
#define FUSE_SOUND_H
#include <libspectrum.h>
void sound_register_startup( void );
void sound_init( const char *device );
void sound_pause( void );
void sound_unpause( void );
void sound_end( void );
void sound_ay_write( int reg, int val, libspectrum_dword now );
void sound_ay_reset( void );
void sound_specdrum_write( libspectrum_word port, libspectrum_byte val );
void sound_covox_write( libspectrum_word port, libspectrum_byte val );
void sound_frame( void );
void sound_beeper( libspectrum_dword at_tstates, int on );
libspectrum_dword sound_get_effective_processor_speed( void );
extern int sound_enabled;
extern int sound_framesiz;
/* Stereo separation types:
* * ACB is used in the Melodik interface.
* * ABC stereo is used in the Pentagon/Scorpion.
* * BAC stereo does seem to exist but is quite rare:
* Z80Stealth emulates BAC stereo but that's about all.
* * CAB, BCA and CBA don't get many search results.
*/
#define SOUND_STEREO_AY_NONE 0
#define SOUND_STEREO_AY_ACB 1
#define SOUND_STEREO_AY_ABC 2
extern int sound_stereo_ay;
/* The low-level sound interface */
int sound_lowlevel_init( const char *device, int *freqptr, int *stereoptr );
void sound_lowlevel_end( void );
void sound_lowlevel_frame( libspectrum_signed_word *data, int len );
#endif /* #ifndef FUSE_SOUND_H */
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