started work on the CHIP-8 interpreter

Peripherals.hpp

@@ -0,0 +1,41 @@
+#pragma once
+
+#include <array>
+#include <bitset>
+#include <memory>
+
+namespace chocochip8 {
+
+  using Scanline = std::bitset<128>;
+  using Framebuffer = std::array<Scanline, 64>;
+
+  enum class Key {
+    KEY_0, KEY_1, KEY_2, KEY_3,
+    KEY_4, KEY_5, KEY_6, KEY_7,
+    KEY_8, KEY_9, KEY_A, KEY_B,
+    KEY_C, KEY_D, KEY_E, KEY_F
+  };
+
+  class Display {
+  public:
+    friend class Interpreter;
+    Display(): mpFramebuffer{std::make_unique<Framebuffer>()} {}
+    virtual ~Display() = default;
+  protected:
+    std::unique_ptr<Framebuffer> mpFramebuffer;
+  };
+
+  class Buzzer {
+  public:
+    virtual ~Buzzer() = default;
+    virtual void on() = 0;
+    virtual void off() = 0;
+  };
+
+  class Keypad {
+  public:
+    virtual ~Keypad() = default;
+    virtual void isKeyPressed(Key key) = 0;
+  };
+
+}; // namespace chocochip8