/* Handhaben des sio-Interrupts */
/* Datei: sioint1.c */

#include <stdio.h>
#include <dos.h>
static const int intused = 255;
typedef void interrupt (*isra)();
isra oldint;
volatile unsigned long count = 0;
void interrupt shandler ()
{
count++;
}

int main ()
{
isra help;
int i;

printf ("\x1b[2JTestprogramm 1 f³r Interrupts\n\n");
help = getvect(intused);
setvect (intused, shandler);
for (i = 0; i < 200; i++)
  {
  geninterrupt(intused);
  delay(10);
  printf ("\nZõhlerstand: %ld",count);
  }
printf ("\nZõhler ist am Schlu¯ %ld",count);
setvect (intused,help);
printf ("\nEnde des Programmes\n");
return 0;
}