private void UpdateDisassembly()
{
this.ResetDisassembly();
uint savePC = myComputer.getRegisters().ReadWord(15);
int i = 0;
//save register 15 in TEMPVAR
if (myComputer.getStepNum() > 4)
{
myComputer.getRegisters().WriteWord(15, savePC - 16);
}
else
{
myComputer.getRegisters().WriteWord(15, (uint)(savePC - (myComputer.getStepNum() * 4)));
i = 4 - myComputer.getStepNum();
}
//set register 15 4 commands back. (sub 16).
myComputer.disassembling = true;
myComputer.getCPU().disassembling = true;
//set computer.disassembling to true
//set cpu.disassembling to true
for (; i < 9; i++)
{
myComputer.getCPU().disassembly = "";
myComputer.step();
this.disassemblyView.Rows[i].Cells[0].Value = String.Format("{0:X8}", myComputer.getRegisters().ReadWord(15) - 12);
this.disassemblyView.Rows[i].Cells[1].Value = String.Format("{0:X8}", myComputer.getCPU().unDecodedInstruction);
this.disassemblyView.Rows[i].Cells[2].Value = myComputer.getCPU().disassembly;
//stop stepping if swi
if (myComputer.getCPU().disassembly.Length >= 3 && myComputer.getCPU().disassembly.Substring(0, 3) == "swi")
{
this.disassemblyView.Rows[i].Cells[0].Value = String.Format("{0:X8}", myComputer.getRegisters().ReadWord(15) - 8);
break;
}
}
//step through 9 times.
//grab computer.getregister.readword(15)
//grab computer.getpcu.undecoded instruction
//grab computer.getcpu.disassembly after each step.
this.disassemblyView.Rows[4].DefaultCellStyle.BackColor = Color.LightGray;
//highlight the 5th row
myComputer.getRegisters().WriteWord(15, savePC);
//set register 15 = to TEMPVAR
myComputer.disassembling = false;
myComputer.getCPU().disassembling = false;
//set computer.disassembling to false
}
//Method: RunTests
//Purpose: tests every method in the Computer class
//Variables: myOptions - Options handle to options to class
public static void RunTests(Options myOptions)
{
myOptions.SetFileName("ctest.exe");
Console.WriteLine("testing Computer setup...");
Computer myTestComp = new Computer(myOptions);
myTestComp.endRun += new Computer.EventHandler(delegate { });
myTestComp.putChar += new Computer.EventHandler(delegate { });
Console.WriteLine("testing Computer Running...");
myTestComp.step();
Debug.Assert(myTestComp.getStepNum() == 1);
myTestComp.Run();
Debug.Assert(myTestComp.getStepNum() == 20);
Console.WriteLine("success!");
myTestComp.FileStreamClose();
}
//Method: RunTests
//Purpose: tests every method in the Computer class
//Variables: myOptions - Options handle to options to class
public static void RunTests(Options myOptions)
{
myOptions.SetFileName("ctest.exe");
Console.WriteLine("testing Computer setup...");
Computer myTestComp = new Computer(myOptions);
myTestComp.endRun += new Computer.EventHandler(delegate { });
myTestComp.putChar += new Computer.EventHandler(delegate { });
Console.WriteLine("testing Computer Running...");
myTestComp.step();
Debug.Assert(myTestComp.getStepNum() == 1);
myTestComp.Run();
Debug.Assert(myTestComp.getStepNum() == 20);
Console.WriteLine("success!");
myTestComp.FileStreamClose();
}