private void inializeBtn_Click(object sender, EventArgs e)
{
//flush pipline regs
flush();
PiplineGrid.Rows.Clear();
MipsRegisterGrid.Rows.Clear();
MipsRegisterGrid.Refresh();
p.starting_pc = Convert.ToUInt32(StartPCTxt.Text) - 4;
p.intialize_regs();
for (int i = 0; i < p.regs.Length; i++)
{
MipsRegisterGrid.Rows.Add(i, p.regs[i]);
}
string machine_code = UserCodetxt.Text;
string [] code_line = machine_code.Split('\n');
int len = code_line.Length;
uint[] pc = new uint[len];
string[] inst = new string[len];
for (int i = 0; i < len; i++)
{
pc[i] = Convert.ToUInt32(code_line[i].Substring(0, 4));
}
for (int i = 0; i < len; i++)
{
inst[i] = code_line[i].Substring(5);
inst[i] = inst[i].Replace(":", " ");
inst[i] = inst[i].Replace(" ", String.Empty);
}
p.intialize_memeory_inst(inst, pc);
}
void display()
{
MipsRegisterGrid.Rows.Clear();
MipsRegisterGrid.Refresh();
for (int i = 0; i < p.regs.Length; i++)
{
MipsRegisterGrid.Rows.Add(i, p.regs[i]);
}
PiplineGrid.Rows.Clear();
PiplineGrid.Refresh();
// if / id
PiplineGrid.Rows.Add("IF/ID");
PiplineGrid.Rows.Add("pc", p.iF_ID.pc);
PiplineGrid.Rows.Add("insttruction code", p.iF_ID.instruction_code);
// id/ex
PiplineGrid.Rows.Add("ID/EX");
PiplineGrid.Rows.Add("regdest", p.iD_EX.Regdest);
PiplineGrid.Rows.Add("aluop1", p.iD_EX.aluop1);
PiplineGrid.Rows.Add("aluop0", p.iD_EX.aluop0);
PiplineGrid.Rows.Add("aluSrc", p.iD_EX.aluSrc);
PiplineGrid.Rows.Add("branch", p.iD_EX.branch);
PiplineGrid.Rows.Add("mem read", p.iD_EX.mem_read);
PiplineGrid.Rows.Add("mem write", p.iD_EX.mem_write);
PiplineGrid.Rows.Add("reg write", p.iD_EX.reg_write);
PiplineGrid.Rows.Add("mem to reg", p.iD_EX.mem_to_reg);
PiplineGrid.Rows.Add("pc", p.iD_EX.pc);
PiplineGrid.Rows.Add("reg 1 data", p.iD_EX.read_data1);
PiplineGrid.Rows.Add("reg 2 data", p.iD_EX.read_data2);
PiplineGrid.Rows.Add("address", p.iD_EX.address);
PiplineGrid.Rows.Add("rd reg", p.iD_EX.rd_reg);
PiplineGrid.Rows.Add("rt reg", p.iD_EX.rt_reg);
// ex/mem
PiplineGrid.Rows.Add("EX/MEM");
PiplineGrid.Rows.Add("branch", p.eX_MEM.branch);
PiplineGrid.Rows.Add("mem read", p.eX_MEM.mem_read);
PiplineGrid.Rows.Add("mem write", p.eX_MEM.mem_write);
PiplineGrid.Rows.Add("reg write", p.eX_MEM.reg_write);
PiplineGrid.Rows.Add("mem to reg", p.eX_MEM.mem_to_reg);
PiplineGrid.Rows.Add("adder_result", p.eX_MEM.adder_result);
PiplineGrid.Rows.Add("alu_result", p.eX_MEM.alu_result);
PiplineGrid.Rows.Add("zero_flag", p.eX_MEM.zero_flag);
PiplineGrid.Rows.Add("write_data", p.eX_MEM.write_data);
PiplineGrid.Rows.Add("regDest_mux_result", p.eX_MEM.regDest_mux_result);
// mem/wb
PiplineGrid.Rows.Add("MEM/WB");
PiplineGrid.Rows.Add("reg write", p.mEM_WB.reg_write);
PiplineGrid.Rows.Add("mem to reg", p.mEM_WB.mem_to_reg);
PiplineGrid.Rows.Add("read_data", p.mEM_WB.read_data);
PiplineGrid.Rows.Add("alu_result", p.mEM_WB.alu_result);
PiplineGrid.Rows.Add("EX_MEM_RegisterRd", p.mEM_WB.EX_MEM_RegisterRd);
}
