2008-10-18 08:49:04 +02:00
|
|
|
// GB sound emulation
|
|
|
|
|
|
|
|
|
|
#ifndef VBA_GBSOUND_H
|
|
|
|
|
#define VBA_GBSOUND_H
|
|
|
|
|
|
|
|
|
|
// See Sound.h for sound setup/options
|
|
|
|
|
|
|
|
|
|
//// GB sound options
|
|
|
|
|
|
|
|
|
|
// Sets sample rate to 44100 / quality
|
|
|
|
|
void gbSoundSetQuality( int quality );
|
|
|
|
|
extern int soundQuality; // current sound quality
|
|
|
|
|
|
|
|
|
|
// Manages declicking mode. When enabled, clicks are reduced. Note that clicks
|
|
|
|
|
// are normal for GB and GBC sound hardware.
|
|
|
|
|
void gbSoundSetDeclicking( bool enable );
|
|
|
|
|
bool gbSoundGetDeclicking();
|
|
|
|
|
|
|
|
|
|
// Effects configuration
|
|
|
|
|
struct gb_effects_config_t
|
|
|
|
|
{
|
|
|
|
|
bool enabled; // false = disable all effects
|
|
|
|
|
|
|
|
|
|
float echo; // 0.0 = none, 1.0 = lots
|
|
|
|
|
float stereo; // 0.0 = channels in center, 1.0 = channels on left/right
|
|
|
|
|
bool surround; // true = put some channels in back
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
// Changes effects configuration
|
|
|
|
|
void gbSoundConfigEffects( gb_effects_config_t const& );
|
|
|
|
|
extern gb_effects_config_t gb_effects_config; // current configuration
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
//// GB sound emulation
|
|
|
|
|
|
|
|
|
|
// GB sound registers
|
|
|
|
|
#define NR10 0xff10
|
|
|
|
|
#define NR11 0xff11
|
|
|
|
|
#define NR12 0xff12
|
|
|
|
|
#define NR13 0xff13
|
|
|
|
|
#define NR14 0xff14
|
|
|
|
|
#define NR21 0xff16
|
|
|
|
|
#define NR22 0xff17
|
|
|
|
|
#define NR23 0xff18
|
|
|
|
|
#define NR24 0xff19
|
|
|
|
|
#define NR30 0xff1a
|
|
|
|
|
#define NR31 0xff1b
|
|
|
|
|
#define NR32 0xff1c
|
|
|
|
|
#define NR33 0xff1d
|
|
|
|
|
#define NR34 0xff1e
|
|
|
|
|
#define NR41 0xff20
|
|
|
|
|
#define NR42 0xff21
|
|
|
|
|
#define NR43 0xff22
|
|
|
|
|
#define NR44 0xff23
|
|
|
|
|
#define NR50 0xff24
|
|
|
|
|
#define NR51 0xff25
|
|
|
|
|
#define NR52 0xff26
|
|
|
|
|
|
|
|
|
|
// Resets emulated sound hardware
|
|
|
|
|
void gbSoundReset();
|
|
|
|
|
|
|
|
|
|
// Emulates write to sound hardware
|
|
|
|
|
void gbSoundEvent( u16 address, int data );
|
|
|
|
|
#define SOUND_EVENT gbSoundEvent
|
|
|
|
|
|
|
|
|
|
// Emulates read from sound hardware
|
|
|
|
|
u8 gbSoundRead( u16 address );
|
|
|
|
|
|
|
|
|
|
// Notifies emulator that SOUND_CLOCK_TICKS clocks have passed
|
|
|
|
|
void gbSoundTick();
|
|
|
|
|
extern int SOUND_CLOCK_TICKS; // Number of 16.8 MHz clocks between calls to gbSoundTick()
|
|
|
|
|
extern int soundTicks; // Number of 16.8 MHz clocks until gbSoundTick() will be called
|
|
|
|
|
|
|
|
|
|
// Saves/loads emulator state
|
|
|
|
|
void gbSoundSaveGame( gzFile out );
|
|
|
|
|
void gbSoundReadGame( int version, gzFile in );
|
|
|
|
|
|
|
|
|
|
#endif
|
