private void Form1_Load(object sender, EventArgs e)
{
//fill Regesters array and data grid view.
for (int i = 0; i < 32; i++)
{
if (i == 0)
{
MIPS.REGESTERS[i] = 0;
}
else
{
MIPS.REGESTERS[i] = i + 100;
}
string reg = "$" + i.ToString();
mipsRegsGrid.Rows.Add(reg, MIPS.REGESTERS[i]);
}
//fill data memory array and data grid view
for (int i = 0; i < MIPS.MEMORY.Length; i++)
{
MIPS.MEMORY[i] = 99;
memoryGrid.Rows.Add(i, 99);
}
//fill IF/ID regester data grid view
IF_IDGrid.Rows.Add("OP", MIPS.IF_ID.OP); //1
IF_IDGrid.Rows.Add("RS", MIPS.IF_ID.RS); //2
IF_IDGrid.Rows.Add("RT", MIPS.IF_ID.RT); //3
IF_IDGrid.Rows.Add("RD", MIPS.IF_ID.RD); //4
IF_IDGrid.Rows.Add("Offset", MIPS.IF_ID.Offset); //5
IF_IDGrid.Rows.Add("Funct", MIPS.IF_ID.Funct); //6
//fill ID/EX regester data grid view
ID_EXGrid.Rows.Add("ALU OP", MIPS.ID_EX.ALUOp); //8
ID_EXGrid.Rows.Add("Inst [15-0]", MIPS.ID_EX.Offset); //9
ID_EXGrid.Rows.Add("Inst [16-20]", MIPS.ID_EX.IRegDst); //10
ID_EXGrid.Rows.Add("Inst [15-11]", MIPS.ID_EX.RRegDst); //11
ID_EXGrid.Rows.Add("Read Data1", MIPS.ID_EX.ReadData1); //12
ID_EXGrid.Rows.Add("Read Data2", MIPS.ID_EX.ReadData2); //13
//fill EX/MEM regester data grid view
EX_MEMGrid.Rows.Add("ALU Output", MIPS.EX_MEM.Result); //15
EX_MEMGrid.Rows.Add("RegDst", MIPS.EX_MEM.RegDst); //16
EX_MEMGrid.Rows.Add("Read Data2", MIPS.EX_MEM.Data2); //17
EX_MEMGrid.Rows.Add("Funct", MIPS.EX_MEM.Funct); //18
//fill MEM/WB regester data grid view
MEM_WBGrid.Rows.Add("Memory Read Data", MIPS.MEM_WB.ReadData); //20
MEM_WBGrid.Rows.Add("ALU Output", MIPS.MEM_WB.ALUResult); //21
MEM_WBGrid.Rows.Add("RegDst", MIPS.MEM_WB.RegDst); //22
MEM_WBGrid.Rows.Add("Funct", MIPS.MEM_WB.Funct); //23
//deselect all selected raws
mipsRegsGrid.ClearSelection();
IF_IDGrid.ClearSelection();
ID_EXGrid.ClearSelection();
EX_MEMGrid.ClearSelection();
MEM_WBGrid.ClearSelection();
memoryGrid.ClearSelection();
}
/// <summary>
/// Refesh the data grid views after each cycles updates
/// </summary>
private void Refresh()
{
IF_IDGrid.Rows[0].Cells[1].Value = MIPS.IF_ID.OP;
IF_IDGrid.Rows[1].Cells[1].Value = MIPS.IF_ID.RS;
IF_IDGrid.Rows[2].Cells[1].Value = MIPS.IF_ID.RT;
IF_IDGrid.Rows[3].Cells[1].Value = MIPS.IF_ID.RD;
IF_IDGrid.Rows[4].Cells[1].Value = MIPS.IF_ID.Offset;
IF_IDGrid.Rows[5].Cells[1].Value = MIPS.IF_ID.Funct;
ID_EXGrid.Rows[0].Cells[1].Value = MIPS.ID_EX.ALUOp;
ID_EXGrid.Rows[1].Cells[1].Value = MIPS.ID_EX.Offset;
ID_EXGrid.Rows[2].Cells[1].Value = MIPS.ID_EX.IRegDst;
ID_EXGrid.Rows[3].Cells[1].Value = MIPS.ID_EX.RRegDst;
ID_EXGrid.Rows[4].Cells[1].Value = MIPS.ID_EX.ReadData1;
ID_EXGrid.Rows[5].Cells[1].Value = MIPS.ID_EX.ReadData2;
EX_MEMGrid.Rows[0].Cells[1].Value = MIPS.EX_MEM.Result;
EX_MEMGrid.Rows[1].Cells[1].Value = MIPS.EX_MEM.RegDst;
EX_MEMGrid.Rows[2].Cells[1].Value = MIPS.EX_MEM.Data2;
EX_MEMGrid.Rows[3].Cells[1].Value = MIPS.EX_MEM.Funct;
MEM_WBGrid.Rows[0].Cells[1].Value = MIPS.MEM_WB.ReadData;
MEM_WBGrid.Rows[1].Cells[1].Value = MIPS.MEM_WB.ALUResult;
MEM_WBGrid.Rows[2].Cells[1].Value = MIPS.MEM_WB.RegDst;
MEM_WBGrid.Rows[3].Cells[1].Value = MIPS.MEM_WB.Funct;
if (initialized && CycleNumber >= 5)
{
mipsRegsGrid.Rows[MIPS.RegesterFile.writeReg].Cells[1].Value = MIPS.REGESTERS[MIPS.RegesterFile.writeReg];
mipsRegsGrid.Rows[MIPS.RegesterFile.writeReg].Selected = true;
}
IF_IDGrid.Update();
IF_IDGrid.Refresh();
ID_EXGrid.Update();
ID_EXGrid.Refresh();
EX_MEMGrid.Update();
EX_MEMGrid.Refresh();
MEM_WBGrid.Update();
MEM_WBGrid.Refresh();
mipsRegsGrid.Update();
mipsRegsGrid.Refresh();
}