Ejemplos de cur_index_pulse_cb en C++ (Cpp)

Ejemplo n.º 1

Archivo: floppy.c Proyecto: broftkd/mess-svn

/* index pulses at rpm/60 Hz, and stays high for ~2ms at 300rpm */
void floppy_image_device::index_resync()
{
	if(revolution_start_time.is_never()) {
		if(idx) {
			idx = 0;
			if (!cur_index_pulse_cb.isnull())
				cur_index_pulse_cb(this, idx);
		}
		return;
	}

	attotime delta = machine().time() - revolution_start_time;
	while(delta >= rev_time) {
		delta -= rev_time;
		revolution_start_time += rev_time;
		revolution_count++;
	}
	int position = (delta*(rpm/300)).as_ticks(1000000000);

	int new_idx = position <= 20000;

	if(new_idx) {
		attotime index_up_time = attotime::from_nsec(2000000*300.0/rpm+0.5);
		index_timer->adjust(index_up_time - delta);
	} else
		index_timer->adjust(rev_time - delta);

	if(new_idx != idx) {
		idx = new_idx;
		if (!cur_index_pulse_cb.isnull())
			cur_index_pulse_cb(this, idx);
	}
}

Ejemplo n.º 2

Archivo: floppy.c Proyecto: ValleyBell/mame

/* index pulses at rpm/60 Hz, and stays high for ~2ms at 300rpm */
void floppy_image_device::index_resync()
{
	if(revolution_start_time.is_never()) {
		if(idx) {
			idx = 0;
			if (!cur_index_pulse_cb.isnull())
				cur_index_pulse_cb(this, idx);
		}
		return;
	}

	attotime delta = machine().time() - revolution_start_time;
	while(delta >= rev_time) {
		delta -= rev_time;
		revolution_start_time += rev_time;
		revolution_count++;
	}
	int position = (delta*floppy_ratio_1).as_ticks(1000000000/1000);

	int new_idx = position < 20000;

	if(new_idx) {
		attotime index_up_time = attotime::from_nsec((2000000*1000)/floppy_ratio_1);
		index_timer->adjust(index_up_time - delta);
	} else
		index_timer->adjust(rev_time - delta);

	if(new_idx != idx) {
		idx = new_idx;
		if(idx && ready) {
			ready_counter--;
			if(!ready_counter) {
				ready = false;
				if(!cur_ready_cb.isnull())
					cur_ready_cb(this, ready);
			}
		}
		if (!cur_index_pulse_cb.isnull())
			cur_index_pulse_cb(this, idx);
	}
}