diff --git a/core/coresignal.h b/core/coresignal.h
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+++ b/core/coresignal.h
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+/*
+DingusPPC - The Experimental PowerPC Macintosh emulator
+Copyright (C) 2018-23 divingkatae and maximum
+                      (theweirdo)     spatium
+
+(Contact divingkatae#1017 or powermax#2286 on Discord for more info)
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program.  If not, see <https://www.gnu.org/licenses/>.
+*/
+
+/** Poor man's signals & slots mechanism implementation. */
+
+// Inspired by http://schneegans.github.io/tutorials/2015/09/20/signal-slot
+
+#ifndef CORE_SIGNAL_H
+#define CORE_SIGNAL_H
+
+#include <functional>
+#include <map>
+
+template <typename... Args>
+class CoreSignal {
+public:
+    CoreSignal()  = default;
+    ~CoreSignal() = default;
+
+    // Connects a std::function type slot to the signal.
+    // The return value can be used to disconnect the slot.
+    int connect_func(std::function<void(Args...)> const& slot) const {
+        _slots.insert(std::make_pair(++_current_id, slot));
+        return _current_id;
+    }
+
+    // Connects a class method type slot to the signal.
+    // The return value can be used to disconnect the slot.
+    template <typename T>
+    int connect_method(T *inst, void (T::*func)(Args...)) {
+        return connect_func([=](Args... args) {
+            (inst->*func)(args...);
+        });
+    }
+
+    // Calls all connected slots.
+    void emit(Args... args) {
+        for (auto const& it : _slots) {
+            it.second(args...);
+        }
+    }
+
+private:
+    mutable std::map<int, std::function<void(Args...)>> _slots;
+    mutable unsigned int _current_id { 0 };
+};
+
+#endif // CORE_SIGNAL_H