1 files changed, 52 insertions, 0 deletions
diff --git a/src/Userspace.h b/src/Userspace.h
new file mode 100644
index 0000000..3f9db8c
--- /dev/null
+++ b/src/Userspace.h
@@ -0,0 +1,52 @@
+#pragma once
+
+class Bus;
+
+#include <cstdint>
+#include <memory>
+#include <atomic>
+#include <vector>
+
+#include "CPU.h"
+
+enum class SystemStatus {
+  STOPPED,
+  RUNNING,
+  EXCEPTION
+};
+
+class Userspace {
+ public:
+  Userspace();
+  ~Userspace() = default;
+
+  void Upload2Memory(uint8_t bytes[], size_t len);
+  uint8_t* RetrieveMemory();
+  
+  void Run();
+  void Start();
+  void Stop();
+  void Step();
+  void Reset();
+  void Exit();
+
+  SystemStatus GetSystemStatus();
+  CPUStatus GetCPUStatus();
+  std::vector<std::string>& GetException();
+    
+ private:
+  std::shared_ptr<RAM> m_RAM;
+  std::shared_ptr<Bus> m_Bus;
+  CPU m_CPU;
+  std::atomic<SystemStatus> m_Status = SystemStatus::STOPPED;
+  std::atomic<bool> m_ApplicationRunning = false;
+
+  std::vector<std::string> m_ExceptionMessages;
+  
+  std::shared_ptr<RAM> m_ProgramMemory;
+  size_t m_ProgramMemoryLen;
+
+ private:
+  void StepCPU();
+  void EmulatorLoop();
+};