private void stopButton_Click(object sender, EventArgs e)
{
system.EndWorking();
}
/// <summary>
/// Method that executes binary code.
/// </summary>
public void Execute()
{
try
{
cpu.Constants.GetRegister("pc").Val = entryPoint;
LinkedList <Instruction> instructions = new LinkedList <Instruction>();
LinkedList <byte> binary = new LinkedList <byte>();
Thread.BeginCriticalRegion();
executing = true;
Thread.EndCriticalRegion();
Variables vars = new Variables();
vars.SetVariable("working", true);
while (true)
{
int pc = cpu.Constants.GetRegister("pc").Val;
cpu.CheckForInterupts(vars);
if (separators.Contains(pc) && pc != entryPoint)
{
Instruction inst = cpu.Constants.MatchInstruction(binary.ToArray());
InstructionRegister ir = new InstructionRegister(binary.ToArray());
inst.ReadAddressingModes(binary.ToArray());
int[] operands = inst.FetchOperands(ir, cpu, vars);
int[] result = inst.Execute(ir, cpu, vars, operands);
inst.StoreResult(ir, cpu, vars, result);
binary.Clear();
pc = cpu.Constants.GetRegister("pc").Val;
}
if (pc - entryPoint >= binary.Count() || (bool)vars.GetVariable("working") == false)
{
Thread.BeginCriticalRegion();
executing = false;
Thread.EndCriticalRegion();
break;
}
//binary.AddLast(binaryCode[pc++]);
//byte[] nextWord = Program.Mem[(uint)pc];
byte[] nextWord = cpu.ReadFromMemory((uint)pc);
for (int i = 0; i < nextWord.Length; i++)
{
binary.AddLast(nextWord[i]);
}
pc++;
cpu.Constants.GetRegister("pc").Val = pc;
}
system.EndWorking();
output.Text += DateTime.Now.ToString() + " Code executed successfully.\n";
output.ScrollToCaret();
}
catch (System.Reflection.TargetInvocationException ex)
{
writeToOutput(DateTime.Now + " Execution error: " + ex.InnerException.Message + " in " + ex.InnerException.TargetSite + "\n");
File.AppendAllText("error.txt", ex.ToString());
StopDebugging();
system.EndWorking();
endExecution();
}
catch (Exception ex)
{
writeToOutput(DateTime.Now + " Execution error: " + ex.Message + "\n");
File.AppendAllText("error.txt", ex.ToString());
StopDebugging();
system.EndWorking();
endExecution();
}
}