created basic simulator

ass2/OutputDevice.h

@@ -0,0 +1,19 @@
+#ifndef OUTPUTDEVICE_H
+#define OUTPUTDEVICE_H
+
+#include <ostream>
+
+#include "Device.h"
+
+class OutputDevice : public Device {
+   private:
+    std::ostream& output;
+
+   public:
+    OutputDevice(std::ostream& out);
+
+    // override write method to write to output stream
+    void write(uint8_t value) override;
+};
+
+#endif  // OUTPUTDEVICE_H