#include <reg52.h>
#include <GRESSY.h>
void main(void)
{
	bit ledchange=1;
	bit oldLAST=0;
	bit oldNEXT=0;
//	bit recerr=0;
	unsigned int addr=0;
	unsigned char addrh=0,addrl=0;
	playno=1;
//	bit oldSTSP=0;
//	bit last=1;
//	bit lastno=CN;
//	bit nextno=CN;
//	bit next=1;
//	bit play=1;
//	bit rec=1;

	isrecord=isplay=0;
	Initial();
//	InitialINT();
//	LedTest();
//	Initial();
//	start=0;
	oldLAST=LAST;
	oldNEXT=NEXT;

	//LED TEST
//	while(1)
	{
		P0&=0xe0;P1=0;
		P14=0;
		Delay(1000);
		LedTest(P10,P10);
		LedTest(P11,P11);
		LedTest(P12,P12);
		LedTest(P13,P13);
		LedTest(P15,P15);
		LedTest(P16,P16);
		LedTest(P17,P17);
		LedTest(P00,P01);
		LedTest(P02,P02);
		LedTest(P03,P03);
		LedTest(P04,P04);
		P0=0XFF;
		P1=0XEF;
		Delay(1000);
		P1=0XFF;
		Delay(1000);
	}
	PowerUp();Delay(5);PowerUp();Delay(10);
//	OKNUM=0;
	sd=SHOWTIME;
	while(1)
	{
		if(PLAY|REC)
		{
			if(PLAY)
			{
				RECERROR=1;RECLED=1;
				RECSEL=1;
				isrecord=0;
				if(!isplay)
				{
					if(playno<1||playno>MAXNO) playno=1;
					isplay=1;
					ledchange=1;
				}
				if(ledchange)
				{
					Stop();
					Delay(20);
					addr=(playno-1)*PERDURATION;
					addrl=addr%256;
					addrh=addr>>8;
//					SMG=~(LED[playno]);
				}
				if(ledchange||(!INT))
				{
					SetPlay(addrl,addrh);
					Play();
				}
			}
			else
			{
				isplay=0;RECSEL=0;
				if(!isrecord)
				{
					ledchange=1;
					isrecord=1;
					if(playno<1||playno>MAXNO) playno=1;
				}
				if(ledchange)
				{
					Stop();
					Delay(20);
					addr=(playno-1)*PERDURATION;
					addrl=addr%256;
					addrh=addr>>8;
//					SMG=~(LED[playno]);
				}
				if(STSP)
				{
/*					PowerUp();
					Delay(5);
					PowerUp();
					Delay(10);
*/
					RECERROR=1;
					SetRec(addrl,addrh);
//					Delay(1);
					Rec();
					RECLED=0;
					td=6000-20;
					while(STSP&&td&&REC){if(!RECERR) RECERROR=0;};
					while((!STSP)&&td&&REC){if(!RECERR) RECERROR=0;};
					Stop();
					RECLED=1;
					Delay(20);
//					StopPwrdn();
//					Delay(1);
					while(STSP);
				}
			}
			ledchange=0;
			if(oldLAST&&LAST)
			{
				if(playno<=1||playno>MAXNO) playno=1;else playno--;
				sd=SHOWTIME;
				ledchange=1;
			}
			if(oldNEXT&&NEXT)
			{
				if(playno<1||playno>=MAXNO) playno=MAXNO;else playno++;
				sd=SHOWTIME;
				ledchange=1;
			}
			oldLAST=!LAST;
			oldNEXT=!NEXT;
		}
		else
		{
//			StopPwrdn();
			Stop();
			Delay(20);
//			SMG=~0;
			isplay=0;isrecord=0;ledchange=0;
			RECERROR=1;
		}

	}
}
void Initial(void)
{
	P0=P1=P2=P3=0xff;
//	RECLED=1;
	INPORT=0XFF;
	TMOD=0X11;
	TR0=1;
	EX0=0;
	ET0=1;
	EA=1;
	TL0=T5MS & 256;
	TH0=T5MS/256;
}
void SendByte(char sd)
{
	char i;
	unsigned char shd;
	for(shd=1,i=0;i<8;i++,shd<<=1)
	{
		
		SCLK=0;
		MOSI=shd&sd?1:0;
		SCLK=0;
		SCLK=0;
		SCLK=0;
		SCLK=0;
		SCLK=0;
		SCLK=0;
		SCLK=0;
		SCLK=1;
		SCLK=1;
		SCLK=1;
		SCLK=1;
		SCLK=1;
		SCLK=1;
		SCLK=1;
	}
	MOSI=0;
	SCLK=0;
}
void PowerOff (void) interrupt INT0INT
{
//	StopPwrdn();
	EA=0;
	ET0=0;
	P0=P1=P2=P3=0;
	PCON|=0x2;	
}
void Time5ms (void) interrupt TIMER0INT
{
	#define FLASHTIME 60
	static unsigned char ft=FLASHTIME;
	static bit fd;
	static char InP1=0,InP2=0,PP1=0XFF;
	char InP,InP3;
	static char Digital=0,OKNUM=0;
	static unsigned char TestDelay;
//	bit LAST1=0,LAST2=0,LAST3=0;
//	bit NEXT1=0,NEXT2=0,NEXT3=0;
//	bit PLAY1=0,PLAY2=0,PLAY3=0;
//	bit STST1=0,STST2=0,STST3=0;
	TL0=T5MS & 256;
	TH0=T5MS/256;
	if(P14)
//	if(0)
	{
		TestDelay=TESTDELAYTIME;
	}
	else
	{
		if(TestDelay) TestDelay--;
	}
	Digital++;
	switch(Digital)
	{
		case 1:
			if(SWITCHIN)
 			{
				PP1|=0x1;
			}
			else
			{
				PP1&=~0x1;
			}
			P2=0X8F;			//B1=B2=B3=0;
			if(!OK&&!TestDelay)
			{
				B1=P13;
				B2=P15;
				B3=P16;
			}
			if(sd)
			{
				switch(playno)
				{
				case 4:B1^=fd;break;
				case 5:B2^=fd;break;
				case 6:B3^=fd;break;
				}
			}
			P2&=~2;
			break;
		case 2:
			if(SWITCHIN)
 			{
				PP1|=0x2;
			}
			else
			{
				PP1&=~0x2;
			}
			P2=0X8F;			//B1=B2=B3=0;
			if(!OK&&!TestDelay)
			{
				B1=P17;
				B2=(P00|P01);
				B3=P02;
			}
			P2&=~4;
			break;
		case 3:
			if(SWITCHIN)
 			{
				PP1|=0x4;
			}
			else
			{
				PP1&=~0x4;
			}
			P2=0X8F;			//B1=B2=B3=0;
			if(!OK&&!TestDelay)
			{
				B1=P03;
				B2=P04;
				B3=0;
			}
			if(sd)
			{
				switch(playno)
				{
				case 7:B1^=fd;break;
				case 8:B2^=fd;break;
				}
			}
			if(OK) B3=1;
			P2&=~8;
			break;
		default:
			Digital=0;
			if(SWITCHIN)
 			{
				PP1|=0x8;
			}
			else
			{
				PP1&=~0x8;
			}
			P2=0X8F;			//B1=B2=B3=0;
			if(!OK&&!TestDelay)
			{
				B1=P10;
				B2=P11;
				B3=P12;
			}
			if(sd)
			{
				switch(playno)
				{
				case 1:B1^=fd;break;
				case 2:B2^=fd;break;
				case 3:B3^=fd;break;
				}
			}
			P2&=~1;
			break;
	}

	
	InP=INPORT^PP1;
	InP3=InP&InP2;			//count 3
	InP2=InP&InP1&(~InP3);
	InP1=InP&(~InP3);
	InP^=INPORT;			//InP=PP1
	InP&=InP3;
	INPORT&=~InP3;
	INPORT|=InP;			
	
	if(P1||(P0&0x1f))
	{
		//NG
		OKNUM=0;
		OK=0;
	}
	else
	{
		//OK
		OKNUM++;
		if(OKNUM>=100)
		{
			OKNUM=0;
			OK=1;
		}
	}
	if(ft)
	{
		ft--;
	}
	else
	{
		ft=FLASHTIME;
		fd=~fd;
	}
	if(sd) sd--;
	if(td) td--;	

//	if(!(--cn))
//	{
//		cn=100;
//		SMG^=0x80; 
//	}
}
void Delay(int a)
{
	td=a/5;
	while(td);
}
/*
bit TestS(bit a,bit A)
{
	if(a)
	{
		if(!A&!A&!A&!A) a=0;
	}
	else
	{
		if(A&A&A&A) a=1;
	}
	return(a);
}*/