bool SnesEmu::init(const QString &diskPath, QString *error) {
S9xSetSoundMute(FALSE);
setDefaultSettings();
S9xSetPlaybackRate();
m_frame = QImage(512, 239, QImage::Format_RGB16);
setVideoSrcRect(QRectF(0.0f, 0.0f, 256.0f, 224.f));
setFrameRate(60);
GFX.Pitch = 512 * 2;
GFX.RealPitch = 512 * 2;
GFX.PPL = GFX.Pitch >> 1;
GFX.PPLx2 = GFX.Pitch;
GFX.Screen = (u8 *)m_frame.bits();
GFX.SubScreen = (u8 *) malloc(GFX.RealPitch * 239);
GFX.ZBuffer = (u8 *) malloc(GFX.PPL * 239);
GFX.SubZBuffer = (u8 *) malloc(GFX.PPL * 239);
GFX.Delta = (GFX.SubScreen - GFX.Screen) >> 1;
if (!GFX.Screen || !GFX.SubScreen || !GFX.ZBuffer || !Memory.Init() || !S9xInitAPU() || !GFX.SubZBuffer ) {
*error = tr("SNES emulation init failed!");
return false;
}
S9xInitSound();
if (!S9xGraphicsInit()) {
*error = tr("SNES emulation init failed!");
return false;
}
S9xReset();
setDefaultSettings();
*error = setDisk(diskPath);
return error->isEmpty();
}
static
int Run(int sound)
{
int skip=0, done=0, doneLast=0,aim=0,i;
Settings.NextAPUEnabled = Settings.APUEnabled = sound;
sal_TimerInit(Settings.FrameTime);
done=sal_TimerRead()-1;
if (sound) {
/*
Settings.SoundPlaybackRate = mMenuOptions.soundRate;
Settings.Stereo = mMenuOptions.stereo ? TRUE : FALSE;
*/
Settings.SixteenBitSound=true;
sal_AudioInit(mMenuOptions.soundRate, 16,
mMenuOptions.stereo, Memory.ROMFramesPerSecond);
S9xInitSound (mMenuOptions.soundRate,
mMenuOptions.stereo, sal_AudioGetBufferSize());
S9xSetPlaybackRate(mMenuOptions.soundRate);
S9xSetSoundMute (FALSE);
} else {
S9xSetSoundMute (TRUE);
}
while(!mEnterMenu)
{
for (i=0;i<10;i++)
{
aim=sal_TimerRead();
if (done < aim)
{
done++;
if (mMenuOptions.frameSkip == 0) //Auto
IPPU.RenderThisFrame = (done >= aim);
else if (IPPU.RenderThisFrame = (--skip <= 0))
skip = mMenuOptions.frameSkip;
//Run SNES for one glorious frame
S9xMainLoop ();
if (sound) {
S9xMixSamples((uint8 *) sal_GetCurrentAudioBuffer(),
sal_AudioGetSampleCount());
sal_SubmitSamples();
}
// HandleQuickStateRequests();
}
if (done>=aim) break; // Up to date now
if (mEnterMenu) break;
}
done=aim; // Make sure up to date
HandleQuickStateRequests();
}
if (sound)
sal_AudioClose();
mEnterMenu=0;
return mEnterMenu;
}
