Intel 386

Intel386™ EX EMBEDDED MICROPROCESSOR USER’S MANUAL
17-16
routine in Interrupt Vector Table */
Enable8259Interrupt(IR2,IR7); /* Enable slave interrupt to master(IR2),
Enable slave IR2 */
_enable(); /* Enable Interrupts */
} /* EnableWDTInterrupt */
/*****************************************************************************
wdtISR:
Description:
Interrupt Service Routine for Watchdog Timer
Parameters:
None
Returns:
None
Assumptions:
None
Syntax:
Not called by user; Interrupt Control Unit executes this
routine upon acknowledgment of a WDT interrupt
Real/Protected Mode:
No changes required
*****************************************************************************/
void interrupt far wdtISR(void)
{
SerialWriteStr(SIO_PORT,”Executing in WDT_ISR”); /* Prints out to Serial
Port as a demonstration */
NonSpecificEOI();
} /* wdtISR */