/************************************************************
 *															*
 *						sound.h								*
 *			   											    *															*
 *				LPGE     29/10/96							*		
 *															*
 *	Copyright (C) 1996 Sony Computer Entertainment Inc.		*
 *	All Rights Reserved										*
 *															*
 ***********************************************************/


// sound module header




#include <libps.h>

#include <stdio.h>

#include "asssert.h"

#include "general.h"

#include "address.h"

#include "main.h"			// frameNumber needed





#define SOUND_ON 0      // compile-time overall switch







	// value of status flag for each sound channel
#define OFF 0
#define WAITING_TO_START 1
#define PLAYING 2



typedef struct
{	
	int value;
	int statusFlag;
	int frameToStartOn;
	int duration;
	int program, tone, note;
	int leftVolume, rightVolume;
} VoiceChannelHandler;


#define MAX_VOICES 24		// psx standard




	// prototypes
void InitialiseSound (void);

void HandleSound (void);

void TurnOnSound (int whichProgram, int whichTone, int whichNote, 
						int delayFromNow, int howLong,
									int leftVolume, int rightVolume);

void CleanUpSound (void);