created basic simulator

ass2/FileDevice.h

@@ -0,0 +1,22 @@
+#ifndef FILEDEVICE_H
+#define FILEDEVICE_H
+
+#include "Device.h"
+#include <fstream>
+#include <string>
+
+class FileDevice : public Device {
+private:
+    std::string filename;
+    std::fstream file;
+
+public:
+    FileDevice(const std::string& fname);
+    ~FileDevice();
+    
+    bool test() const override;
+    uint8_t read() override;
+    void write(uint8_t value) override;
+};
+
+#endif // FILEDEVICE_H