/// <summary>
/// Allow the device to react to the completion of a frame
/// </summary>
public void OnFrameCompleted()
{
if (LastSampleTact < _frameBegins + _frameTacts)
{
// --- Expand the samples till the end of the frame
CreateSamples(_frameBegins + _frameTacts);
}
if (HostVm.Cpu.Tacts > _frameBegins + _frameTacts)
{
// --- Sign overflow tacts
Overflow = (int)(HostVm.Cpu.Tacts - _frameBegins - _frameTacts);
}
_beeperProvider?.AddSoundFrame(AudioSamples);
_frameBegins += _frameTacts;
}
/// <summary>
/// Allow the device to react to the completion of a frame
/// </summary>
public void OnFrameCompleted()
{
if (LastPulseTact <= _frameTacts - 1)
{
// --- We have to store the last pulse information
Pulses.Add(new EarBitPulse
{
EarBit = LastEarBit,
Lenght = _frameTacts - LastPulseTact
});
}
// --- Create the array for the samples
var firstSampleOffset = _frameBegins % _tactsPerSample == 0
? 0
: _tactsPerSample - (_frameBegins + _tactsPerSample) % _tactsPerSample;
var samplesInFrame = (_frameTacts - firstSampleOffset - 1) / _tactsPerSample + 1;
var samples = new float[samplesInFrame];
// --- Convert pulses to samples
var sampleIndex = 0;
var currentEnd = _frameBegins;
foreach (var pulse in Pulses)
{
var firstSample = currentEnd % _tactsPerSample == 0
? currentEnd
: currentEnd + _tactsPerSample - currentEnd % _tactsPerSample;
for (var i = firstSample; i < currentEnd + pulse.Lenght; i += _tactsPerSample)
{
samples[sampleIndex++] = pulse.EarBit ? 1.0F : 0.0F;
}
currentEnd += pulse.Lenght;
}
_beeperProvider?.AddSoundFrame(samples);
_frameBegins += _frameTacts;
}
