message: Show WriteReg signal in EX stage
diff: @@ -205,7 +205,7 @@ PipelineWidget::PipelineWidget(QWidget* parent) : QGraphicsView(parent) {
  }
  idex->addInput("Reset\n(sync.)");
  idex->addOutput();
  - idex->setHiddenOutputs(std::set<int>{0, 1, 2, 8, 9, 11});
  + idex->setHiddenOutputs(std::set<int>{1, 2, 8, 9, 11});
  idex->setHiddenInputs(std::set<int>{0, 1, 2});
  idex->setSingleIOBlink(true);
  idex->addIOSignalPair(11, &m_pipelinePtr->s_IDEX_reset);
  @@ -218,7 +218,7 @@ PipelineWidget::PipelineWidget(QWidget* parent) : QGraphicsView(parent) {
  exmem->addInput();
  exmem->addOutput();
  }
  - exmem->setHiddenInputs(std::set<int>{0, 1});
  + exmem->setHiddenInputs(std::set<int>{1});
  exmem->setHiddenOutputs(std::set<int>{1});
  memwb = new Graphics::Shape(Graphics::ShapeType::Block, Graphics::Stage::EX, 0, 10);
  @@ -293,6 +293,7 @@ PipelineWidget::PipelineWidget(QWidget* parent) : QGraphicsView(parent) {
  // EX
  + createConnection(idex, 0, exmem, 0, m_pipelinePtr->r_regWrite_IDEX.getOutput());
  createConnection(mux_forwardA_EX, 0, mux_ALUSrc1, 0, m_pipelinePtr->mux_forwardA_EX.getOutput());
  connPtr =
  createConnection(mux_forwardB_EX, 0, QList<ShapePair>() << ShapePair(mux_ALUSrc2, 0) << ShapePair(exmem, 4));
  