private void runBtn_Click(object sender, EventArgs e)
{
try
{
if (initialized)
{
cycleNumberLbl.Text = (CycleNumber + 1).ToString();
int NumberOfInstructions = MIPS.INSTRUCTION_MEM.Count;
if (CycleNumber < 5 + (NumberOfInstructions - 1))
{
//****
//the next condetions are to excute each phase with instructions in there oreder
//****
if (CycleNumber - 4 < NumberOfInstructions && CycleNumber - 4 >= 0)
{
MIPS.WriteBack();
MIPS.MEM_WB = new MEM_WB();
}
if (CycleNumber - 3 < NumberOfInstructions && CycleNumber - 3 >= 0)
{
MIPS.AccessMem();
MIPS.EX_MEM = new EX_MEM();
}
if (CycleNumber - 2 < NumberOfInstructions && CycleNumber - 2 >= 0)
{
MIPS.Excute();
MIPS.ID_EX = new ID_EX();
}
if (CycleNumber - 1 < NumberOfInstructions && CycleNumber - 1 >= 0)
{
MIPS.Decode();
MIPS.IF_ID = new IF_ID();
}
if (CycleNumber < NumberOfInstructions)
{
MIPS.Fetch();
}
CycleNumber++;
Refresh();
}
else
{
MessageBox.Show("no instructions to excute");
}
}
else
{
MessageBox.Show("Please initialize the the values (Press Initialize button!)", "Values not initialized", MessageBoxButtons.OK, MessageBoxIcon.Warning);
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, "ERROR", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
private void button1_Click(object sender, EventArgs e)
{
mipsObject = new MIPS();
mipsRegGrid.Rows.Clear();
pipRegGrid.Rows.Clear();
pcTextBox.Text = "1000";
xDim = yDim = columnToDisplay = 0;
gabCycles = 4;
desiredJumpPC = desiredLevel = -1;
mipsObject.fillInstructionSet(userCodeData);
mipsObject.update(mipsRegGrid, pcTextBox);
}
private void initializeBtn_Click(object sender, EventArgs e)
{
try
{
//reset all values to its default
Reset();
//split the instructions string into separate instructions
string[] instructions = userCodeTxt.Text.Split('\n');
//set the PC of MIPS with the given
MIPS.PC = Convert.ToInt32(pcTxt.Text);
//splits the instructions into PC and instruction machine code
MIPS.SplitInstructions(instructions);
initialized = true;
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, "ERROR", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
private void button2_Click(object sender, EventArgs e)
{
clr();
mips = new MIPS();
mips.init();
for (int i = 0; i < 32; i++)
{
dataGridView3.Rows.Add(new string[] { "$" + i, mips.registers[i].ToString() });
}
for (int i = 0; i < 1024; i++)
{
dataGridView2.Rows.Add(new string[] { "$" + i, "99" });
}
if (textBox1.Text.Length < 4)
{
convert_from_assembly_to_machine();
}
if (textBox2.Text.Length < 4)
{
convert_from_machine_to_assembly();
}
init();
}
public Form1()
{
InitializeComponent();
mipsObject = new MIPS();
mipsObject.update(mipsRegGrid, pcTextBox);
}
