#ifndef _SOUND4CALC_H
    #define _SOUND4CALC_H

#include <timer.h>
#include <clock.h>
#include <mpu.h>

struct Wave
{
    unsigned int signal;
    unsigned short length;
};

extern struct Note
{
    struct Wave wave;
    unsigned short duration;
    unsigned int freq;
} note;

extern int frequency;

void CallSequence(timer_t **timer);
void Sequence();
//void CallNote(timer_t **timer);
void Note();
void PutPinState(char level);
void PlayNote();
void InitPorts();
void StopTimer();

//SH4 addresses
#define	SH7305_PJCR 0xA4050110
#define	SH7305_PUCR 0xA4050142
#define	SH7305_PJDR 0xA4050130
#define	SH7305_PUDR 0xA4050162
#define	SH7305_MSTPCR0 0xA4150030
#define	SH7305_SCSCR 0xA4410008

//SH3 addresses
#define	SH7337_STBCR3 0xA40A0000
#define	SH7337_SCSCR2 0xA4410008
#define	SH7337_PGCR 0xA400010C
#define	SH7337_PLCR 0xA4000114
#define	SH7337_SCPCR 0xA4000116
#define	SH7337_PGDR 0xA400012C
#define	SH7337_SCPDR 0xA4000136

#endif