private void MakeVectors(int value1, int width1, int value2, int width2,
out StdLogicVector r1, out StdLogicVector r2)
{
StdLogicVector v1 = StdLogicVector.FromLong(value1, width1);
StdLogicVector v2 = StdLogicVector.FromLong(value2, width2);
StdLogicVector v = v1.Concat(v2).Concat(StdLogicVector._0s(2 * MaxWidth - width1 - width2));
r1 = v[2 * MaxWidth - 1, MaxWidth];
r2 = v[MaxWidth - 1, 0];
}
private void Processing()
{
if (Clk.RisingEdge())
{
int shift = Shift.Cur.UnsignedValue.IntValue;
if (Dir.Cur == "0") // shift left
{
_y.Next = X.Cur.Concat(_pad)[2 * DataWidth - shift - 1, DataWidth - shift];
}
else // shift right
{
_y.Next = _pad.Concat(X.Cur)[DataWidth + shift - 1, shift];
}
}
}
private void ProcessSigned()
{
if (DIn.Cur[InputWidth - 1] == '1')
{
DOut.Next = _hiPad1
.Concat(DIn.Cur[_hiSlice, _loSlice])
.Concat(_loPad);
}
else
{
DOut.Next = _hiPad0
.Concat(DIn.Cur[_hiSlice, _loSlice])
.Concat(_loPad);
}
}
private void Process()
{
StdLogic ib1 = X.Cur[FracWidth + 1];
StdLogic ib0 = X.Cur[FracWidth];
StdLogicVector rv = X.Cur[FracWidth - 1, 0];
bool ibf1 = ib1 == '1';
bool ibf0 = ib0 == '1';
bool rvz = rv == _zeroes;
bool flag = ibf0 && (ibf1 || !rvz);
if (flag)
{
R.Next = _padOnes.Concat(ib0.Concat(rv));
}
else
{
R.Next = _padZeroes.Concat(ib0.Concat(rv));
}
}
private void ProcessUnsigned()
{
DOut.Next = _hiPad0
.Concat(DIn.Cur[_hiSlice, _loSlice])
.Concat(_loPad);
}