/// <summary>
/// Construct a timer control.
/// </summary>
/// <param name="host"></param>
/// <param name="buttonTimerDisplay"></param>
public TimerControl(IARMHost host, ButtonTimerDisplay buttonTimerDisplay)
{
//cache the simulator host interface and the timers user interface
mHost = host;
mButtonTimerDisplay = buttonTimerDisplay;
//subscribe to the Start and Stop events so we can track when the simulation is running
mHost.StartSimulation += mHost_Start;
mHost.StopSimulation += mHost_Stop;
//Create the 2 timers and set their notification events
mTimerBlocks[0] = new TimerBlock();
mTimerBlocks[1] = new TimerBlock();
mTimerBlocks[0].TimerNotify += TimerNotify;
mTimerBlocks[1].TimerNotify += TimerNotify;
//request to be notified when our area of the memory map is written or read
mHost.RequestMemoryBlock(0x01d30000, 0xffffff00, onMemoryAccessRead, onMemoryAccessWrite);
//request to be notified when cycles are expended so we can update the timers
mHost.Cycles += mHost_Cycles;
//request simulator restart notification so we can reset the timers to their default state
mHost.Restart += mHost_Restart;
//force timers into default state.
init();
}
}//mHost_Stop
/// <summary>
/// This function is called when one of the timers has counted down to 0,
/// is enabled and has the interrupt enable bit set.
/// Determine which timer it was, set the timer interrupt bit in the id
/// register and finally notify the simulator we wish to assert the FIQ interrupt.
/// </summary>
/// <param name="timerBlock"></param>
private void TimerNotify(TimerBlock timerBlock)
{
// set id bit based on which timer fired
int id = (timerBlock == mTimerBlocks[0]) ? 0x01 : 0x02;
//set the bit in the ID register
mInterruptID |= (uint)(id & 0x03);
//notify simulator to fire FIQ interrupt.
mHost.AssertInterrupt(true);
} //TimerNotify
private void button2_Click(object sender, EventArgs e)
{
id++;
plusButton.Location = new Point(123, id * 85);
TimerBlock tim = new TimerBlock();
tim.id = id;
tim.TimerBlockLoad();
Controls.Add(tim.labelName);
Controls.Add(tim.labelHour);
Controls.Add(tim.labelMinute);
Controls.Add(tim.labelSecond);
Controls.Add(tim.playbutton);
Controls.Add(tim.block);
listTimer.Add(tim);
//foreach(TimerBlock b in listTimer)
// {
// }
}
