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