// Perform initialization
private void Init()
{
bPos = bZero = bNeg = bCarry = bNOT_CDAV = false;
state = MSstate.Get_MSstate();
mseq = MSmicrosequencer.Get_MSmicrosequencer();
ControlTable = new MScontrolTable();
}
/// <summary>
/// Gets the only instance of the Get_MSmicrosequencer class that may exist. If a single
/// instance of Get_MSmicrosequencer has not yet been created, one is created.
/// PRE: None.
/// POST: An MSmicrosequencer (reference) has been returned, or created and returned.
/// </summary>
/// <returns>Returns a reference to the only existing instance of MSmicrosequencer.</returns>
public static MSmicrosequencer Get_MSmicrosequencer()
{
lock (c_seqLock)
{
// if this is the first request, initialize the one instance
if (c_microSeq == null)
{
// create the single object instance
c_microSeq = new MSmicrosequencer();
c_microSeq.LoadInitStates();
} // if null
// whether new or old, return a reference to the only instance
return(c_microSeq);
} // lock
}
public override string ToString()
{
string ret = "";
// ToString("X") alternatively prints the integer address as hexadecimal; this should also print the *contents* at the current MAR address TODO
ret += string.Format("MAR: {0,2} {1,2:}", RegisterContent[RegSet.MARhi].ToString("X"), RegisterContent[RegSet.MARlo].ToString("X"));
ret += System.Environment.NewLine;
// Print the remaining register contents
foreach (RegSet rs in aRegisters)
{
ret += string.Format("{0}:{1,2} ", rs.ToString(), RegisterContent[rs].ToString("X"));
}
// Add the state of the microsequencer
ret += System.Environment.NewLine;
ret += MSmicrosequencer.Get_MSmicrosequencer().ToString();
// Add the status word from the ALU
ret += MS_ALU.Get_MS_ALU().ToString();
ret += System.Environment.NewLine;
return(ret);
}