C++ (Cpp) cur_ready_cb Examples

Example #1

File: floppy.c Project: ValleyBell/mame

/* motor on, active low */
void floppy_image_device::mon_w(int state)
{
	if(mon == state)
		return;

	mon = state;

	/* off -> on */
	if (!mon && image)
	{
		revolution_start_time = machine().time();
		ready_counter = 2;
		index_resync();
	}

	/* on -> off */
	else {
		if(image_dirty)
			commit_image();
		revolution_start_time = attotime::never;
		index_timer->adjust(attotime::zero);
		if(!ready) {
			ready = true;
			if(!cur_ready_cb.isnull())
				cur_ready_cb(this, ready);
		}
	}
}

Example #2

File: floppy.c Project: ValleyBell/mame

void floppy_image_device::call_unload()
{
	dskchg = 0;

	if (image) {
		if(image_dirty)
			commit_image();
		global_free(image);
		image = 0;
	}

	wpt = 1; // disk sleeve is covering the sensor
	if (!cur_wpt_cb.isnull())
		cur_wpt_cb(this, wpt);

	wpt = 0; // sensor is uncovered
	if (!cur_wpt_cb.isnull())
		cur_wpt_cb(this, wpt);

	if (!cur_unload_cb.isnull())
		cur_unload_cb(this);
	if(!ready) {
		ready = true;
		if(!cur_ready_cb.isnull())
			cur_ready_cb(this, ready);
	}
}

Example #3

File: floppy.c Project: ValleyBell/mame

void floppy_image_device::device_reset()
{
	revolution_start_time = attotime::never;
	revolution_count = 0;
	mon = 1;
	if(!ready) {
		ready = true;
		if(!cur_ready_cb.isnull())
			cur_ready_cb(this, ready);
	}
	if(motor_always_on)
		mon_w(0);
}

Example #4

File: floppy.c Project: opicron/mame

void floppy_image_device::call_unload()
{
	dskchg = 0;

	if (image) {
		if(image_dirty)
			commit_image();
		global_free(image);
		image = 0;
	}
	if (!cur_unload_cb.isnull())
		cur_unload_cb(this);
	if(!ready) {
		ready = true;
		if(!cur_ready_cb.isnull())
			cur_ready_cb(this, ready);
	}
}

Example #5

File: floppy.c Project: 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);
	}
}