tmpAin=Ain;
OutSignal=0;
BigOutSignal=0;


//moving circular buffer indexing
if (i!=bufferLength-1)
i++;
else
i=0;


//if the effect is an ECHO we need a feedback buffer
if(effectIndex!=Echo)
dataBuffer[i]=tmpAin;

else
{
//lcd_putsf("echo");
BigOutSignal=((int)tmpAin) + ( (int)mult(dataBuffer[delay[0]],echoVol[propertyIndex[effectIndex]]) );//delete tmpAin when we have switch.
dataBuffer[i]=( ((char)(BigOutSignal))>>3 ) ;
}

switch(effectIndex)
{


case Reverb:

switch(propertyIndex[effectIndex])
{

case 0: //Church
BigOutSignal= (( (int) (multi(dataBuffer[delay[0]],2))+ ((int)multi(dataBuffer[delay[1]],1))+ ((int)multi(dataBuffer[delay[2]],2)) + ((int)multi(dataBuffer[delay[3]],1))+ ((int)multi(dataBuffer[delay[4]],0)) + ((int)dataBuffer[delay[5]]) ) ) ;
break;

case 1: //Auditorium
BigOutSignal= ((int)multi(dataBuffer[delay[2]],2)) + ((int)multi(dataBuffer[delay[3]],1))+ ((int)multi(dataBuffer[delay[4]],0)) + ((int)dataBuffer[delay[5]]) ;

break;

case 2: //Large Room
BigOutSignal= ( (int)multi(dataBuffer[delay[3]],1))+ ((int)multi(dataBuffer[delay[4]],0)) + ((int)dataBuffer[delay[5]]) ;

break;

case 3://Small Room
BigOutSignal= ((int)dataBuffer[delay[2]]) +( (int)multi(dataBuffer[delay[3]],1)) ;

break;


}//end switch
break;



case Distortion:
if(tmpAin>HighVal[propertyIndex[effectIndex]])
BigOutSignal=HighVal[propertyIndex[effectIndex]];
else
BigOutSignal=tmpAin;
break;




case Tremolo:

k++;


if(k==freq[propertyIndex[effectIndex]])
{

k=0;
if(direction ==1)//countingup
vol++;
else
vol--;
if(vol==maxVol)
direction=0;//1 is to count up 0 counts down
else if (vol==minVol)
direction=1;
}

BigOutSignal= ((int)mult(tmpAin,vol));//+OutSignal;sinArr[time]
break;