void ADOS(float mhz)
{
	SCON=0x50;
	TMOD|=0x20;
	TH1=TL1=((unsigned int)(256-mhz*26));  //1200BPS ;
//	AUXR|=T1x12;
	TR1=1;
	ES=1;
	EA=1;
}


void sio_int() interrupt 4

{ 

	static char counter=0; 
	ES=0; 
	
	if(RI)
	{
		RI=0;
//		if(SBUF==0x7f)
			if(counter++>10)
				ISP_CONTR=0x60;
	}

	ES=1; 
}