public void Decode()
{
if (IfId.Instruction == null)
{
return;
}
var instruction = new Instruction(IfId.Instruction);
RegisterFile.ReadReg1 = BinaryConverter.BitsToInt(instruction.Rs);
RegisterFile.ReadReg2 = BinaryConverter.BitsToInt(instruction.Rt);
_controlUnit.Control(instruction);
// Execution Stage Control lines
IdEx.RegDest = _controlUnit.RegDest;
IdEx.AluSrc = _controlUnit.AluSrc;
IdEx.AluOp = _controlUnit.AluOp;
// Memory access Stage control lines
IdEx.Branch = _controlUnit.Branch;
IdEx.MemRead = _controlUnit.MemRead;
IdEx.MemWrite = _controlUnit.MemWrite;
// Write back Stage control lines
IdEx.RegWrite = _controlUnit.RegWrite;
IdEx.MemToReg = _controlUnit.MemToReg;
IdEx.Pc = IfId.Pc;
IdEx.ReadData1 = RegisterFile.ReadData1;
IdEx.ReadData2 = RegisterFile.ReadData2;
IdEx.Rd = instruction.I15_11;
IdEx.Rt = instruction.I20_16;
IdEx.Offset = BitwiseOperations.ExtendSign(instruction.I15_0);
}
