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https://github.com/dingusdev/dingusppc.git
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f65f9b9845
Adds support for a --deterministic command-line option that makes repeated runs the same: - Keyboard and mouse input is ignored - The sound server does a periodic pull from the DMA channel (so that it gets drained), but only does so via a periodic timer (instead of being driven by a cubeb callback, which could arrive at different times) - Disk image writes are disabled (reads of a modified area still work via an in-memory copy) - NVRAM writes are disabled - The current time that ViaCuda initializes the guest OS is always the same. This makes execution exactly the same each time, which should make debugging of more subtle issues easier. To validate that the deterministic mode is working, I've added a periodic log of the current "time" (measured in cycle count), PC and opcode. When comparing two runs with --log-no-uptime, the generated log files are identical.
91 lines
2.4 KiB
C++
91 lines
2.4 KiB
C++
/*
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DingusPPC - The Experimental PowerPC Macintosh emulator
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Copyright (C) 2018-23 divingkatae and maximum
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(theweirdo) spatium
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(Contact divingkatae#1017 or powermax#2286 on Discord for more info)
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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/** Poor man's signals & slots mechanism implementation. */
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// Inspired by http://schneegans.github.io/tutorials/2015/09/20/signal-slot
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#ifndef CORE_SIGNAL_H
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#define CORE_SIGNAL_H
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#include <functional>
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#include <map>
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template <typename... Args>
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class CoreSignal {
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public:
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CoreSignal() = default;
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~CoreSignal() = default;
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// Connects a std::function type slot to the signal.
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// The return value can be used to disconnect the slot.
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int connect_func(std::function<void(Args...)> const& slot) const {
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_slots.insert(std::make_pair(++_current_id, slot));
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return _current_id;
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}
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// Connects a class method type slot to the signal.
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// The return value can be used to disconnect the slot.
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template <typename T>
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int connect_method(T *inst, void (T::*func)(Args...)) {
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return connect_func([=](Args... args) {
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(inst->*func)(args...);
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});
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}
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// Calls all connected slots.
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void emit(Args... args) {
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if (!_is_enabled) {
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return;
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}
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for (auto const& it : _slots) {
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it.second(args...);
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}
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}
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void disconnect(int id) {
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_slots.erase(id);
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}
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void disconnect_all() {
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_slots.clear();
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}
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void disable() {
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_is_enabled = false;
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}
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void enable() {
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_is_enabled = true;
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}
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bool is_enabled() {
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return _is_enabled;
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}
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private:
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mutable std::map<int, std::function<void(Args...)>> _slots;
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mutable unsigned int _current_id { 0 };
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mutable bool _is_enabled { true };
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};
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#endif // CORE_SIGNAL_H
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