#include<conio.h>
#include <iview.h>
#include <mmi100.h>

void main(void)
{ unsigned freq,period;
  int quit=0;
  freq=2000;
  period=50;
  while(!quit){
    if(Kbhit() && Getch()=='q') quit=1;
    if(!*SoundPeriod){
	*SoundPeriod=period;
	*SoundFreq=freq;
	freq+=300;
	if(freq>=5000) freq=100;
    }
  }
}