public void PowerOn()
{
// Start the computer with the control until poiting at the first control word
this.ControlUnit.OnControlStateUpdated();
ConsoleKeyInfo key;
ValueFormat displayFormat = ValueFormat.Binary;
while (true)
{
// Left modules
this.Clock.OutputState();
Mar.OutputState(displayFormat);
Ram.OutputState(displayFormat);
Rom.OutputState(displayFormat);
Ir.OutputState(displayFormat);
IrParam.OutputState(displayFormat);
// BUS
this.Bus.OutputState();
// Right modules
ProgramCounter.OutputState(displayFormat);
A.OutputState(displayFormat);
Alu.OutputState(displayFormat);
B.OutputState(displayFormat);
Flags.OutputState(displayFormat);
Out.OutputState(displayFormat);
// Control Unit (bottom)
ControlUnit.OutputState();
// User keys
Console.SetCursorPosition(0, 23);
Console.Write(String.Format("[S]tep - [N]ext Ins - [R]un - Clock {0}hz [+-] - Rese[t] - [D]isplay - E[x]it", this.Clock.FrequencyHz));
// Step the system
if (this.Clock.ClockMode == IClock.Mode.Stepped ||
(this.Clock.ClockMode == IClock.Mode.Running && Console.KeyAvailable))
{
key = Console.ReadKey(true);
int freq;
switch (key.Key)
{
case ConsoleKey.S:
this.Clock.ClockMode = IClock.Mode.Stepped;
this.Clock.Step();
break;
case ConsoleKey.R:
this.Clock.ClockMode = IClock.Mode.Running;
break;
case ConsoleKey.N:
this.Clock.ClockMode = IClock.Mode.Stepped;
this.Clock.Step();
while (this.ControlUnit.MicrostepCounter.Value != 3 && !this.Clock.IsHalted)
{
Thread.Sleep(1);
this.Clock.Step();
}
break;
case ConsoleKey.Add:
freq = this.Clock.FrequencyHz;
if (freq <= 20)
{
freq++;
}
else if (freq <= 100)
{
freq += 5;
}
else
{
freq += 50;
}
if (freq > 500)
{
freq = 500;
}
this.Clock.FrequencyHz = freq;
break;
case ConsoleKey.Subtract:
freq = this.Clock.FrequencyHz;
if (freq <= 20)
{
freq--;
}
else if (freq <= 100)
{
freq -= 5;
}
else
{
freq -= 50;
}
if (freq < 1)
{
freq = 1;
}
this.Clock.FrequencyHz = freq;
break;
case ConsoleKey.T:
Reset();
break;
case ConsoleKey.D:
switch (displayFormat)
{
case ValueFormat.Hex:
displayFormat = ValueFormat.Decimal;
break;
case ValueFormat.Decimal:
displayFormat = ValueFormat.Binary;
break;
case ValueFormat.Binary:
displayFormat = ValueFormat.Hex;
break;
}
break;
case ConsoleKey.X:
return;
}
if (this.Clock.ClockMode == IClock.Mode.Stepped)
{
if (key.Key == ConsoleKey.S)
{
}
}
else if (this.Clock.ClockMode == IClock.Mode.Running)
{
}
}
if (this.Clock.ClockMode == IClock.Mode.Running)
{
if (Clock.IsHalted)
{
Thread.Sleep(1000);
}
else
{
Thread.Sleep(1000 / this.Clock.FrequencyHz);
}
this.Clock.Step();
}
}
}
public void LoadMicrocode(string bank0RomFile, string bank1RomFile, string bank2RomFile)
{
ControlUnit.LoadMicrocode(bank0RomFile, bank1RomFile, bank2RomFile);
}