// **********************************************************************
// **********************************************************************
// simulate asynchronous interrupts by polling events during idle loop
//
void pollInterrupts(void)
{
// check for task monopoly
pollClock = clock();
assert("Timeout" && ((pollClock - lastPollClock) < MAX_CYCLES));
lastPollClock = pollClock;
// check for keyboard interrupt
if ((inChar = GET_CHAR) > 0)
{
keyboard_isr();
}
// timer interrupt
timer_isr();
return;
} // end pollInterrupts
// **********************************************************************
// **********************************************************************
// simulate asynchronous interrupts by polling events during idle loop
//
static void pollInterrupts(void)
{
// check for task monopoly
pollClock = clock();
assert("Timeout" && ((pollClock - lastPollClock) < MAX_CYCLES));
lastPollClock = pollClock;
// check for keyboard interrupt
int inCharInt = 0;
if ((inCharInt = GET_CHAR) > 0)
{
if(inCharInt == 224){
arrowKey = TRUE;
inChar = GET_CHAR;
}
else
inChar = (char)inCharInt;
keyboard_isr();
}
// timer interrupt
timer_isr();
return;
} // end pollInterrupts
void i8255_cisr() {
keyboard_isr(inb(0x60));
pic_ack(1);
}
