//************************************************************************************************************************
private void Exec(TicTok tictok)
{
string cw = SEQ.Instance().ControlWord;
// TODO - Find a better way of using the mask to get the value
// Currently is using hardcoded magic numbers
//Allow the ALU to only set flags when the ALU is going to output to the bus.
FlagEnable = tictok.ClockState == TicTok.State.Tic && cw[9] == '1';
string temp;
// Active Hi, SUB on Tic
if (cw[8] == '1' && tictok.ClockState == TicTok.State.Tic)
{
temp = Compute(Areg.ToString(), Breg.ToString(), false);
}
else // ADD
{
temp = Compute(Areg.ToString(), Breg.ToString(), true);
}
// For Frame ToString support
RegContent = temp;
// Active Hi, Push on Tic
if (cw[9] == '1' & tictok.ClockState == TicTok.State.Tic)
{
Wbus.Instance().Value = temp;
}
}
public static SEQ Instance()
{
// not thread safe
if (_instance == null)
{
_instance = new SEQ();
//_instance.ControlWord = "001111100011";
// TODO - this wasnt enough chars bc the words got longer, I fixed by addding _instance.ControlWord = ControlTable[0]; abouve
// not a greate fix, but it works
}
return(_instance);
}
} // For ToString()
private void Exec(TicTok tictok)
{
string cw = SEQ.Instance().ControlWord;
// TODO - Find a better way of using the mask to get the value
// Currently is using hardcoded magic numbers
// Active Low, Push on Tic
if (cw[3] == '0' && tictok.ClockState == TicTok.State.Tic)
{
string content = GetWordAt(MARContents);
Wbus.Instance().Value = content;
}
// LR_, Active Low, Pull on Tok
if (cw[12] == '0' && tictok.ClockState == TicTok.State.Tok)
{
string word = Wbus.Instance().Value;
SetWordAt(MARContents, word);
RAM_Register_Content = word;
}
}