/* mexbeep program
   Programmed by Gerox 1999.Sep.10
   for Windows95/98 
*/
#include <stdio.h>
#include <string.h>
#include <conio.h>
#include <stdio.h>
#include "mex.h"
void mexFunction(int nlhs,mxArray *plhs[],int nrhs,const mxArray * prhs[]) {

	int indata;
	if((nrhs == 1) && (mxGetScalar(prhs[0])== 1)) {
		indata = _inp(0x61) | 0x03;
		_outp(0x61,indata);
	} else {
		indata = _inp(0x61) & 0xfc;
		_outp(0x61,indata);
	}
	return;
}