connected to gui

simulator_SIC_XE/gui/qt/MainWindow.cpp

@@ -0,0 +1,20 @@
+#include "MainWindow.h"
+#include "MachineController.h"
+#include <QLabel>
+#include <QVBoxLayout>
+
+MainWindow::MainWindow(QWidget *parent)
+    : QMainWindow(parent)
+{
+    QWidget *central = new QWidget(this);
+    auto *layout = new QVBoxLayout(central);
+    auto *label = new QLabel("SIC/XE Simulator — GUI stub", central);
+    label->setAlignment(Qt::AlignCenter);
+    layout->addWidget(label);
+    setCentralWidget(central);
+
+    m_controller = new MachineController(this);
+    setWindowTitle("SIC/XE Simulator");
+}
+
+MainWindow::~MainWindow() = default;