simulator work

ass2/simulator/device.h

@@ -0,0 +1,37 @@
+#ifndef DEVICE_H
+#define DEVICE_H
+#include <iostream>
+#include <fstream>
+using namespace std;
+
+class Device {
+public:
+    virtual bool test();
+    virtual unsigned char read();
+    virtual void write(unsigned char value);
+    virtual ~Device() = default;
+};
+
+class InputDevice : public Device {
+    istream& input;
+public:
+    InputDevice(istream& in);
+    unsigned char read() override;
+};
+
+class OutputDevice : public Device {
+    ostream& output;
+public:
+    OutputDevice(ostream& out);
+    void write(unsigned char value) override;
+};
+
+class FileDevice : public Device {
+    fstream file;
+public:
+    FileDevice(string& filename);
+    bool test() override;
+    unsigned char read() override;
+    void write(unsigned char value) override;
+};
+#endif // DEVICE_H