Added controller support

src/debugger/ControllerPortViewer.cpp

@@ -0,0 +1,58 @@
+#include "ControllerPortViewer.hpp"
+
+#include "../ControllerPort.hpp"
+#include <imgui/imgui.h>
+
+ControllerPortViewer::ControllerPortViewer(Debugger* parent, ControllerPort* controllerPort) :
+	DebugWindow("Controller Port Viewer", parent), controllerPort(controllerPort)
+{
+}
+
+void ControllerPortViewer::OnRender()
+{
+	if (!ImGui::Begin(title.c_str(), &isOpen))
+	{
+		ImGui::End();
+		return;
+	}
+
+	ImGui::Text("Latch          : %02X", controllerPort->latch.Raw);
+	ImGui::Text("Controller port: %d", controllerPort->latch.Ports.Controller);
+	ImGui::Text("Expansion port : %d", controllerPort->latch.Ports.Expansion);
+
+	int counter = 1;
+	for (Controller* controller : controllerPort->connectedDevices)
+	{
+		if (controller == nullptr)
+			continue;
+
+		std::string controllerName = "Controller " + std::to_string(counter);
+		if (ImGui::CollapsingHeader(controllerName.c_str(), ImGuiTreeNodeFlags_DefaultOpen))
+		{
+			ImGui::Text("Output Line: D%d", controller->outPin);
+
+			ImGui::Separator();
+
+			ImGui::InputScalar("Shift Register", ImGuiDataType_U8, &controller->outRegister, (const void*)0, (const void*)0, "%02X", ImGuiInputTextFlags_CharsHexadecimal);
+			
+			if (ImGui::BeginTable(controllerName.c_str(), 8))
+			{
+				for(int i = 0; i < 8; i++)
+				{
+					ImGui::TableNextColumn();
+					ImGui::Text("%d", i);
+				}
+
+				for (int i = 0; i < 8; i++)
+				{
+					ImGui::TableNextColumn();
+					ImGui::Text("%d", (controller->outRegister >> i) & 0x1);
+				}
+
+				ImGui::EndTable();
+			}
+		}
+	}
+
+	ImGui::End();
+}

src/debugger/ControllerPortViewer.hpp

@@ -0,0 +1,17 @@
+#pragma once
+
+#include "DebugWindow.hpp"
+
+class ControllerPort;
+
+class ControllerPortViewer :
+	public DebugWindow
+{
+public:
+	ControllerPortViewer(Debugger* parent, ControllerPort* controllerPort);
+
+	virtual void OnRender() override;
+
+private:
+	ControllerPort* controllerPort;
+};

src/debugger/Debugger.cpp

@@ -10,6 +10,7 @@
 #include "Disassembler.hpp"
 #include "MemoryViewer.hpp"
 #include "NametableViewer.hpp"
+#include "ControllerPortViewer.hpp"
 
 Debugger::Debugger(Bus* bus) :
 	bus(bus)
@@ -20,6 +21,7 @@ Debugger::Debugger(Bus* bus) :
 	windows.push_back(disassembler);
 	windows.push_back(new MemoryViewer(this, bus));
 	windows.push_back(new NametableViewer(this, bus));
+	windows.push_back(new ControllerPortViewer(this, &bus->controllerPort));
 }
 
 Debugger::~Debugger()