mirror of https://github.com/bsnes-emu/bsnes.git
58 lines
1.2 KiB
C++
58 lines
1.2 KiB
C++
#pragma once
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namespace Emulator {
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struct Thread {
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enum : uintmax { Second = (uintmax)-1 >> 1 };
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virtual ~Thread() {
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if(_handle) co_delete(_handle);
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}
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inline auto active() const { return co_active() == _handle; }
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inline auto handle() const { return _handle; }
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inline auto frequency() const { return _frequency; }
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inline auto scalar() const { return _scalar; }
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inline auto clock() const { return _clock; }
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auto setFrequency(double frequency) -> void {
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_frequency = frequency + 0.5;
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_scalar = Second / _frequency;
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}
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auto setScalar(uintmax scalar) -> void {
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_scalar = scalar;
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}
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auto setClock(uintmax clock) -> void {
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_clock = clock;
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}
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auto create(auto (*entrypoint)() -> void, double frequency) -> void {
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if(_handle) co_delete(_handle);
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_handle = co_create(64 * 1024 * sizeof(void*), entrypoint);
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setFrequency(frequency);
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setClock(0);
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}
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inline auto step(uint clocks) -> void {
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_clock += _scalar * clocks;
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}
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auto serialize(serializer& s) -> void {
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s.integer(_frequency);
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s.integer(_scalar);
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s.integer(_clock);
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}
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protected:
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cothread_t _handle = nullptr;
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uintmax _frequency = 0;
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uintmax _scalar = 0;
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uintmax _clock = 0;
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friend class Scheduler;
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};
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}
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