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76 lines
1.9 KiB
C
76 lines
1.9 KiB
C
#ifndef GBSOUND_H
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#define GBSOUND_H
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// GB sound emulation
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// See Sound.h for sound setup/options
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//// GB sound options
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void gbSoundSetSampleRate( long sampleRate );
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// Manages declicking mode. When enabled, clicks are reduced. Note that clicks
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// are normal for GB and GBC sound hardware.
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void gbSoundSetDeclicking( bool enable );
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bool gbSoundGetDeclicking();
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// Effects configuration
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struct gb_effects_config_t
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{
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float echo; // 0.0 = none, 1.0 = lots
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float stereo; // 0.0 = channels in center, 1.0 = channels on left/right
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bool enabled; // false = disable all effects
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bool surround; // true = put some channels in back
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};
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// Changes effects configuration
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void gbSoundConfigEffects( gb_effects_config_t const& );
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extern gb_effects_config_t gb_effects_config; // current configuration
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//// GB sound emulation
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// GB sound registers
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#define NR10 0xff10
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#define NR11 0xff11
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#define NR12 0xff12
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#define NR13 0xff13
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#define NR14 0xff14
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#define NR21 0xff16
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#define NR22 0xff17
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#define NR23 0xff18
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#define NR24 0xff19
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#define NR30 0xff1a
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#define NR31 0xff1b
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#define NR32 0xff1c
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#define NR33 0xff1d
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#define NR34 0xff1e
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#define NR41 0xff20
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#define NR42 0xff21
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#define NR43 0xff22
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#define NR44 0xff23
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#define NR50 0xff24
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#define NR51 0xff25
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#define NR52 0xff26
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// Resets emulated sound hardware
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void gbSoundReset();
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// Emulates write to sound hardware
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void gbSoundEvent( u16 address, int data );
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#define SOUND_EVENT gbSoundEvent
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// Emulates read from sound hardware
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u8 gbSoundRead( u16 address );
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// Notifies emulator that SOUND_CLOCK_TICKS clocks have passed
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void gbSoundTick();
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extern int SOUND_CLOCK_TICKS; // Number of 16.8 MHz clocks between calls to gbSoundTick()
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extern int soundTicks; // Number of 16.8 MHz clocks until gbSoundTick() will be called
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// Saves/loads emulator state
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void gbSoundSaveGame( gzFile out );
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void gbSoundReadGame( int version, gzFile in );
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#endif // GBSOUND_H
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