コード例 #1
0
ファイル: ds75161a.c プロジェクト: LeWoY/MAMEHub
void ds75161a_device::update_signals()
{
	m_out_ren_func(m_dc ? 1 : m_ren);
	m_out_ifc_func(m_dc ? 1 : m_ifc);
	m_out_ndac_func(m_te ? 1 : m_ndac);
	m_out_nrfd_func(m_te ? 1 : m_nrfd);
	m_out_dav_func(m_te ? m_dav : 1);
	m_out_atn_func(m_dc ? 1 : m_atn);
	m_out_srq_func(m_dc ? m_srq : 1 );

	int atn = m_in_atn_func();

	if (m_te && atn) m_out_eoi_func(m_eoi);
	else if (!m_dc && !atn) m_out_eoi_func(m_eoi);
	else m_out_eoi_func(1);
}
コード例 #2
0
ファイル: ieee488.c プロジェクト: coinhelper/jsmess
inline void ieee488_device::set_signal(device_t *device, int signal, int state)
{
	bool changed = false;

	if (device == this)
	{
		if (m_line[signal] != state)
		{
			if (LOG) logerror("%s IEEE488: '%s' %s %u\n", machine().describe_context(), tag(), SIGNAL_NAME[signal], state);
			m_line[signal] = state;
			changed = true;
		}
	}
	else
	{
		daisy_entry *entry = m_device_list.first();

		while (entry)
		{
			if (!strcmp(entry->m_device->tag(), device->tag()))
			{
				if (entry->m_line[signal] != state)
				{
					if (LOG) logerror("%s IEEE488: '%s' %s %u\n", machine().describe_context(), device->tag(), SIGNAL_NAME[signal], state);
					entry->m_line[signal] = state;
					changed = true;
				}
			}

			entry = entry->next();
		}
	}

	if (changed)
	{
		switch (signal)
		{
		case EOI:	m_out_eoi_func(state);	break;
		case DAV:	m_out_dav_func(state);	break;
		case NRFD:	m_out_nrfd_func(state);	break;
		case NDAC:	m_out_ndac_func(state);	break;
		case IFC:	m_out_ifc_func(state);	break;
		case SRQ:	m_out_srq_func(state);	break;
		case ATN:	m_out_atn_func(state);	break;
		case REN:	m_out_ren_func(state);	break;
		}

		daisy_entry *entry = m_device_list.first();

		while (entry)
		{
			switch (signal)
			{
			case EOI:
				entry->m_interface->ieee488_eoi(state);
				break;

			case DAV:
				entry->m_interface->ieee488_dav(state);
				break;

			case NRFD:
				entry->m_interface->ieee488_nrfd(state);
				break;

			case NDAC:
				entry->m_interface->ieee488_ndac(state);
				break;

			case IFC:
				entry->m_interface->ieee488_ifc(state);
				break;

			case SRQ:
				entry->m_interface->ieee488_srq(state);
				break;

			case ATN:
				entry->m_interface->ieee488_atn(state);
				break;

			case REN:
				entry->m_interface->ieee488_ren(state);
				break;
			}

			entry = entry->next();
		}

		if (LOG) logerror("IEEE488: EOI %u DAV %u NRFD %u NDAC %u IFC %u SRQ %u ATN %u REN %u DIO %02x\n",
			get_signal(EOI), get_signal(DAV), get_signal(NRFD), get_signal(NDAC),
			get_signal(IFC), get_signal(SRQ), get_signal(ATN), get_signal(REN), get_data());
	}
}
コード例 #3
0
void ieee488_stub_device::ieee488_eoi(int state)
{
	m_out_eoi_func(state);
}