/* TGI Praktikum Assembler - Gruppe 160 			*/
/* showlg.c - deutet den log(x) im Grafikmodus 320*200 an 	*/
/* Hinweis: horizontale blaue Linie : Nullinie			*/

extern double lg(double x);		/* eigene Logarithmusfunktion */
extern grafan();
extern grafaus();
extern pixel(unsigned int x, unsigned int y, unsigned char f);

main()
{
  unsigned int xpos=0;			
  double y = 0;
  char c = 0;

  grafan();
  for (xpos=1; xpos < 319; xpos++)  { pixel (xpos, 100, 1); }
  for (xpos=1; xpos < 319; xpos++)
  {
    y = 100 - lg(((double) xpos)/ 100) * 30;
    pixel (xpos, (unsigned int) y, 15);
  }
  while (c != '\n') { c = getchar(); } 
  grafaus();
  return(0);
}