#pragma vector=IRQV
__arm void IRQ_Handler (void)
{
void (*interrupt_function)();
unsigned int vector;
  vector = VICADDRESS;		// Get interrupt vector.
  interrupt_function = (void(*)())vector;
  if(interrupt_function != NULL)
  {
    interrupt_function();	// Call vectored interrupt function.
    VICADDRESS = 0;		// Clear interrupt in VIC.
  }
  else
  {
    VICADDRESS = 0;		// Clear interrupt in VIC.
  }
}