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fceux
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For Qt GUI, implemented a new method of timing frame advance hold delay so that the delay time is more constant with changing emulation speed.

This commit is contained in:
mjbudd77 2021-10-05 06:49:16 -04:00
parent 4352fd8da0
commit e0f9754e80
4 changed files with 21 additions and 6 deletions
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5
src/drivers/Qt/ConsoleWindow.cpp
View File

@ -4162,6 +4162,11 @@ void consoleWin_t::loadMostRecentROM(void)
fceuWrapperUnLock();
}
int consoleWin_t::getPeriodicInterval(void)
{
return gameTimer->interval();
}
void consoleWin_t::transferVideoBuffer(void)
{
if ( nes_shm->blitUpdated )

2
src/drivers/Qt/ConsoleWindow.h
View File

@ -175,6 +175,8 @@ class consoleWin_t : public QMainWindow
void OpenHelpWindow(std::string subpage = "");
int getPeriodicInterval(void);
protected:
consoleMenuBar *menubar;

7
src/drivers/Qt/input.cpp
View File

@ -52,6 +52,7 @@
int NoWaiting = 0;
extern Config *g_config;
extern bool bindSavestate, frameAdvanceLagSkip, lagCounterDisplay;
unsigned int frameAdvHoldTimer = 0;
/* UsrInputType[] is user-specified. CurInputType[] is current
(game loading can override user settings)
@ -989,10 +990,15 @@ static void KeyboardCommands(void)
{
if (frameAdvancing == false)
{
frameAdvHoldTimer = 0;
FCEUI_FrameAdvance();
frameAdvancing = true;
//printf("Frame Advance Start\n");
}
if ( consoleWindow )
{
frameAdvHoldTimer += consoleWindow->getPeriodicInterval();
}
}
else
{
@ -1000,6 +1006,7 @@ static void KeyboardCommands(void)
{
FCEUI_FrameAdvanceEnd();
frameAdvancing = false;
frameAdvHoldTimer = 0;
//printf("Frame Advance End\n");
}
}

13
src/fceu.cpp
View File

@ -717,8 +717,7 @@ void UpdateAutosave(void);
#ifdef __QT_DRIVER__
double getFrameRate(void);
double getBaseFrameRate(void);
extern unsigned int frameAdvHoldTimer;
#endif
///Emulates a single frame.
@ -733,18 +732,20 @@ void FCEUI_Emulate(uint8 **pXBuf, int32 **SoundBuf, int32 *SoundBufSize, int ski
if (frameAdvanceRequested)
{
#ifdef __QT_DRIVER__
double baseFrameRatio = getFrameRate() / getBaseFrameRate();
int32_t frameAdvanceDelayScaled = (int32_t)( (double)frameAdvance_Delay * baseFrameRatio);
uint32_t frameAdvanceDelayScaled = frameAdvance_Delay * (PAL ? 20 : 16);
if ( frameAdvanceDelayScaled < 1 )
{
frameAdvanceDelayScaled = 1;
}
if (frameAdvance_Delay_count == 0 || frameAdvance_Delay_count >= frameAdvanceDelayScaled)
if ( (frameAdvance_Delay_count == 0) || (frameAdvHoldTimer >= frameAdvanceDelayScaled) )
{
EmulationPaused = EMULATIONPAUSED_FA;
}
if (frameAdvance_Delay_count < frameAdvanceDelayScaled)
{
frameAdvance_Delay_count++;
}
#else
if (frameAdvance_Delay_count == 0 || frameAdvance_Delay_count >= frameAdvance_Delay)
EmulationPaused = EMULATIONPAUSED_FA;