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Timing: Prevent emulation from speeding up for extended periods of time after an unexpected freeze

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This commit is contained in:
Sour 2019-01-21 09:48:54 -05:00
parent 9c326e8248
commit e29bd94d55
1 changed files with 6 additions and 3 deletions
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9
Core/Console.cpp
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@ -754,9 +754,12 @@ void Console::Run()
UpdateNesModel(true);
double delay = GetFrameDelay();
if(_resetRunTimers || delay != lastDelay) {
//Target frame rate changed, reset timers
//Also needed when resetting, power cycling, pausing or breaking with the debugger
if(_resetRunTimers || delay != lastDelay || (clockTimer.GetElapsedMS() - targetTime) > 300) {
//Reset the timers, this can happen in 3 scenarios:
//1) Target frame rate changed
//2) The console was reset/power cycled or the emulation was paused (with or without the debugger)
//3) As a satefy net, if we overshoot our target by over 300 milliseconds, the timer is reset, too.
// This can happen when something slows the emulator down severely (or when breaking execution in VS when debugging Mesen itself, etc.)
clockTimer.Reset();
targetTime = 0;
lastPauseFrame = _ppu->GetFrameCount();