sound.h

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#ifndef _SOUND_H_
#define _SOUND_H_


#define SOUND_PCM_CH_AUTO   0xFF

#define SOUND_PCM_CH1       Z80_DRV_CH0_SFT

#define SOUND_PCM_CH2       Z80_DRV_CH1_SFT

#define SOUND_PCM_CH3       Z80_DRV_CH2_SFT

#define SOUND_PCM_CH4       Z80_DRV_CH3_SFT

#define SOUND_PCM_CH1_MSK   Z80_DRV_CH0

#define SOUND_PCM_CH2_MSK   Z80_DRV_CH1

#define SOUND_PCM_CH3_MSK   Z80_DRV_CH2

#define SOUND_PCM_CH4_MSK   Z80_DRV_CH3

#define SOUND_RATE_32000    0

#define SOUND_RATE_22050    1

#define SOUND_RATE_16000    2

#define SOUND_RATE_13400    3

#define SOUND_RATE_11025    4

#define SOUND_RATE_8000     5

#define SOUND_PAN_LEFT      0x80

#define SOUND_PAN_RIGHT     0x40

#define SOUND_PAN_CENTER    0xC0


u8   SND_isPlaying_PCM();
void SND_startPlay_PCM(const u8 *sample, const u32 len, const u8 rate, const u8 pan, const u8 loop);
void SND_stopPlay_PCM();


// Z80_DRIVER_2ADPCM

u8 SND_isPlaying_2ADPCM(const u16 channel_mask);
void SND_startPlay_2ADPCM(const u8 *sample, const u32 len, const u16 channel, const u8 loop);
void SND_stopPlay_2ADPCM(const u16 channel);


// Z80_DRIVER_4PCM

u8   SND_isPlaying_4PCM(const u16 channel_mask);
void SND_startPlay_4PCM(const u8 *sample, const u32 len, const u16 channel, const u8 loop);
void SND_stopPlay_4PCM(const u16 channel);
void SND_setVolume_4PCM(const u16 channel, const u8 volume);
u8   SND_getVolume_4PCM(const u16 channel);


// just to preserve backward compatibility
#define SND_isPlaying_4PCM_ENV      SND_isPlaying_4PCM
#define SND_startPlay_4PCM_ENV      SND_startPlay_4PCM
#define SND_stopPlay_4PCM_ENV       SND_stopPlay_4PCM
#define SND_getVolume_4PCM_ENV      SND_getVolume_4PCM
#define SND_setVolume_4PCM_ENV      SND_setVolume_4PCM



// Z80_DRIVER_XGM

u8 SND_isPlaying_XGM();
void SND_startPlay_XGM(const u8 *song);
void SND_stopPlay_XGM();
void SND_pausePlay_XGM();
void SND_resumePlay_XGM();

u8 SND_isPlayingPCM_XGM(const u16 channel_mask);
void SND_setPCM_XGM(const u8 id, const u8 *sample, const u32 len);
void SND_setPCMFast_XGM(const u8 id, const u8 *sample, const u32 len);
void SND_startPlayPCM_XGM(const u8 id, const u8 priority, const u16 channel);
void SND_stopPlayPCM_XGM(const u16 channel);

u16 SND_getMusicTempo_XGM();
void SND_setMusicTempo_XGM(u16 value);

u16 SND_getManualSync_XGM();
void SND_setManualSync_XGM(u16 value);
#define SND_nextFrame_XGM()  SND_nextXFrame_XGM(1)

void SND_nextXFrame_XGM(u16 num);

void SND_setLoopNumber_XGM(u8 value);

void SND_set68KBUSProtection_XGM(u8 value);
u16 SND_getForceDelayDMA_XGM();
void SND_setForceDelayDMA_XGM(u16 value);
u32 SND_getCPULoad_XGM();


#endif // _SOUND_H_