#include <stdio.h>
#include <stdlib.h>
#include <float.h>
#include <math.h>

main()
{
	char text[80];
   double  t1, t2;
   int  step, x, y;
   double	deg1, deg2;
   double	s1, s2;
   double	rad1, rad2;
   double sout1, sout2;
   double volts1, volts2;
   double px1, px2;
   int pic;


   printf("\nEnter number of steps: ");
   gets(text);
   t2 = atof(text);

	printf("\nFREQUENCY 1:\nNumber of cycles: ");
   gets(text);
   t1 = atof(text);

   s1 = (t1 * 360) / t2;

   printf("\nEach step of Frequency 1 is %.2f degrees", s1);

	printf("\n\nFREQUENCY 2:\nNumber of cycles: ");
   gets(text);
   t1 = atof(text);

   s2 = (t1 * 360) / t2;

   printf("\nEach step  of Frequency 2 is %.2f degrees", s2);

   step = (int) t2;

//   printf("\n\nFrequency 1 steps;");

   for (x=0; x<step; x++)
   	{
      deg1 = s1 * (double) x;
      rad1 =  (deg1 / 360) * (2 * 3.14159);
      sout1 = sin(rad1);
      volts1 = (sout1 * 5) + 5;
      px1 = volts1 / 0.0390625;
      pic = (int) px1;
//      printf("\n0x%X", pic);
//      printf("\n");
//      for (y=0; y<pic; y+=4) {printf("=");}

      }

//   printf("\n\nFrequency 2 steps;");

   for (x=0; x<step; x++)
   	{
      deg2 = s2 * (double) x;
      rad2 =  (deg2 / 360) * (2 * 3.14159);
      sout2 = sin(rad2);
      volts2 = (sout2 * 5) + 5;
      px2 = volts2 / 0.0390625;
      pic = (int) px2;
//      printf("\n0x%X", pic);
//      printf("\n");
//      for (y=0; y<pic; y+=4) {printf("=");}
      }

         printf("\n\nCombined steps;");

   for (x=0; x<step; x++)
   	{
      deg1 = s1 * (double) x;
      deg2 = s2 * (double) x;
      rad1 =  (deg1 / 360) * (2 * 3.14159);
      rad2 =  (deg2 / 360) * (2 * 3.14159);
      sout1 = sin(rad1);
      sout2 = sin(rad2);
      volts1 = (sout1 * 2.4) + 2.5;
      volts2 = (sout2 * 2.4) + 2.5;
      px1 = volts1 / 0.0390625;
      px2 = volts2 / 0.0390625;
      pic = (int) px1 + px2;
      printf("\n0x%X", pic);
//      printf("\n");
//      for (y=0; y<pic; y+=4){ printf("=");}
      }


   return;
}