#include "dos.h"

void onbeep(int freq)
{
	int temp;
	long val = ((182 * 65535)/10)/freq;
	if (val > 65535) val = 65535;
	outportb(0x43,0xb6);
	outportb(0x42,val & 0xff);
	outportb(0x42,val >> 8);
	temp = inportb(0x61);
	temp |= 3;
	outportb(0x61,temp);
}
void offbeep(void)
{
	int temp = inportb(0x61);
	temp &= 0xfc;
	outportb(0x61,temp);
}
void main(int argc, char *argv[])
{
	onbeep(atoi(argv[1]));
	delay(1000);
	offbeep();
}