/*FIRDMOVE.C - FIR FILTER MOVING THE DATA AND NOT POINTERS*/
#include "aiccomc.c"      /*include AIC com routines      */
#include "bp45coef.h"     /*include coefficient file      */
float DLY[N];             /*delay samples                 */
int data_in, data_out;
int AICSEC[4]={0x162c,0x1,0x3872,0x67};  /*AIC config data*/
                                                              
void filt(float *h,float *dly,int *IO_input,int *IO_output,int n)
{
  int i, t;
  float acc;
  for (t = 0; t < n; t++)
  { 
    asm("          idle");           /*wait for interrupt */ 
    acc = 0.0;
    dly[0] = *IO_input;              /*newest input sample*/
    for (i = 0; i < n; i++)
      acc += h[i] * dly[i];
    for (i = n-1; i > 0; i--)
      dly[i] = dly[i-1];             /*update samples     */
    *IO_output = acc;
  }
}    

void c_int05()
{
  data_in = UPDATE_SAMPLE(data_out);
}

main ()
{
int *IO_INPUT, *IO_OUTPUT;
IO_INPUT = &data_in;
IO_OUTPUT = &data_out;
AICSET_I();
for(;;)
 filt((float *)H,(float *)DLY,(int *)IO_INPUT,(int *)IO_OUTPUT,N);
}