C++ (Cpp) dss_squarewfix_step Exemples

Exemple #1

Fichier : disc_wav.c Projet : joolswills/advancemame

void dss_squarewfix_reset(struct node_description *node)
{
	struct dss_squarewfix_context *context = node->context;

	context->sampleStep = 1.0 / discrete_current_context->sample_rate;
	context->flip_flop = 1;

	/* Do the intial time shift and convert freq to off/on times */
	context->tOff = 1.0 / DSS_SQUAREWFIX__FREQ;	/* cycle time */
	context->tLeft = DSS_SQUAREWFIX__PHASE / 360.0;	/* convert start phase to % */
	context->tLeft = context->tLeft - (int)context->tLeft;	/* keep % between 0 & 1 */
	context->tLeft = (context->tLeft < 0) ? 1.0 + context->tLeft : context->tLeft;	/* if - then flip to + phase */
	context->tLeft *= context->tOff;
	context->tOn = context->tOff * (DSS_SQUAREWFIX__DUTY / 100.0);
	context->tOff -= context->tOn;

	context->tLeft = -context->tLeft;

	/* toggle output and work out intial time shift */
	while (context->tLeft <= 0)
	{
		context->flip_flop = context->flip_flop ? 0 : 1;
		context->tLeft += context->flip_flop ? context->tOn : context->tOff;
	}

	/* Step the output */
	dss_squarewfix_step(node);
}

Exemple #2

Fichier : disc_wav.cpp Projet : Nebuleon/mame4all

void dss_squarewfix_reset(struct node_description *node)
{
	struct dss_squarewfix_context *context = node->context;

	context->sampleStep = 1.0 / Machine->sample_rate;
	context->flip_flop = 1;

	/* Do the intial time shift and convert freq to off/on times */
	context->tOff = 1.0 / node->input[1];	/* cycle time */
	context->tLeft = node->input[5] / 360.0;	/* convert start phase to % */
	context->tLeft = context->tLeft - (int)context->tLeft;	/* keep % between 0 & 1 */
	context->tLeft = context->tLeft < 0 ? 1.0 + context->tLeft : context->tLeft;	/* if - then flip to + phase */
	context->tLeft *= context->tOff;
	context->tOn = context->tOff * (node->input[3] / 100.0);
	context->tOff -= context->tOn;

	context->tLeft = -context->tLeft;

	/* toggle output and work out intial time shift */
	while (context->tLeft <= 0)
	{
		context->flip_flop = context->flip_flop ? 0 : 1;
		context->tLeft += context->flip_flop ? context->tOn : context->tOff;
	}

	/* Step the output */
	dss_squarewfix_step(node);
}

Exemple #3

Fichier : disc_wav.c Projet : libretro/mame2003-libretro

int dss_squarewfix_reset(struct node_description *node)
{
	struct dss_squarewfix_context *context=(struct dss_squarewfix_context*)node->context;

	context->sampleStep = 1.0 / Machine->sample_rate;
	context->flip_flop = 1;

	/* Do the intial time shift and convert freq to off/on times */
	context->tOff = 1.0 / node->input[1];	/* cycle time */
	context->tLeft = node->input[5] / 360.0;	/* convert start phase to % */
	context->tLeft = context->tLeft - (int)context->tLeft;	/* keep % between 0 & 1 */
	context->tLeft = context->tLeft < 0 ? 1.0 + context->tLeft : context->tLeft;	/* if - then flip to + phase */
	context->tLeft *= context->tOff;
	context->tOn = context->tOff * (node->input[3] / 100.0);
	context->tOff -= context->tOn;

discrete_log("RESET in - F:%f D:%f P:%f == tOff:%f tOn:%f tLeft:%f",node->input[1],node->input[3],node->input[5],context->tOff,context->tOn,context->tLeft);
//	while (context->tLeft >= context->flip_flop ? context->tOn : context->tOff)
//	{
//		context->tLeft -= context->flip_flop ? context->tOn : context->tOff;
//		context->flip_flop = context->flip_flop ? 0 : 1;
//	}


	context->tLeft = -context->tLeft;

	/* toggle output and work out intial time shift */
	while (context->tLeft <= 0)
	{
		context->flip_flop = context->flip_flop ? 0 : 1;
		context->tLeft += context->flip_flop ? context->tOn : context->tOff;
	}
discrete_log("RESET out - tLeft:%f FF:%d",context->tLeft,context->flip_flop);

	/* Step the output */
	dss_squarewfix_step(node);

	return 0;
}