// license:BSD-3-Clause // copyright-holders:Vas Crabb #include "emu.h" #include "teeconn.h" DEFINE_DEVICE_TYPE_NS(TI8X_TEE_CONNECTOR, bus::ti8x, tee_connector_device, "ti8x_tconn", "TI-8x T-connector") namespace bus { namespace ti8x { tee_connector_device::tee_connector_device( machine_config const &mconfig, char const *tag, device_t *owner, uint32_t clock) : device_t(mconfig, TI8X_TEE_CONNECTOR, tag, owner, clock) , device_ti8x_link_port_interface(mconfig, *this) , m_port_a(*this, "a") , m_port_b(*this, "b") , m_tip_host(true) , m_tip_a(true) , m_tip_b(true) , m_ring_host(true) , m_ring_a(true) , m_ring_b(true) { } WRITE_LINE_MEMBER(tee_connector_device::tip_a_w) { m_tip_a = bool(state); output_tip((m_tip_a && m_tip_b) ? 1 : 0); m_port_b->tip_w((m_tip_host && m_tip_a) ? 1 : 0); } WRITE_LINE_MEMBER(tee_connector_device::ring_a_w) { m_ring_a = bool(state); output_ring((m_ring_a && m_ring_b) ? 1 : 0); m_port_b->ring_w((m_ring_host && m_ring_a) ? 1 : 0); } WRITE_LINE_MEMBER(tee_connector_device::tip_b_w) { m_tip_b = bool(state); output_tip((m_tip_a && m_tip_b) ? 1 : 0); m_port_a->tip_w((m_tip_host && m_tip_b) ? 1 : 0); } WRITE_LINE_MEMBER(tee_connector_device::ring_b_w) { m_ring_b = bool(state); output_ring((m_ring_a && m_ring_b) ? 1 : 0); m_port_a->ring_w((m_ring_host && m_ring_b) ? 1 : 0); } void tee_connector_device::device_add_mconfig(machine_config &config) { TI8X_LINK_PORT(config, m_port_a, default_ti8x_link_devices, nullptr); m_port_a->tip_handler().set(FUNC(tee_connector_device::tip_a_w)); m_port_a->ring_handler().set(FUNC(tee_connector_device::ring_a_w)); TI8X_LINK_PORT(config, m_port_b, default_ti8x_link_devices, nullptr); m_port_b->tip_handler().set(FUNC(tee_connector_device::tip_b_w)); m_port_b->ring_handler().set(FUNC(tee_connector_device::ring_b_w)); } void tee_connector_device::device_start() { save_item(NAME(m_tip_host)); save_item(NAME(m_tip_a)); save_item(NAME(m_tip_b)); save_item(NAME(m_ring_host)); save_item(NAME(m_ring_a)); save_item(NAME(m_ring_b)); m_tip_host = m_tip_a = m_tip_b = true; m_ring_host = m_ring_a = m_ring_b = true; } WRITE_LINE_MEMBER(tee_connector_device::input_tip) { m_tip_host = bool(state); m_port_a->tip_w((m_tip_host && m_tip_b) ? 1 : 0); m_port_b->tip_w((m_tip_host && m_tip_a) ? 1 : 0); } WRITE_LINE_MEMBER(tee_connector_device::input_ring) { m_ring_host = bool(state); m_port_a->ring_w((m_ring_host && m_ring_b) ? 1 : 0); m_port_b->ring_w((m_ring_host && m_ring_a) ? 1 : 0); } } } // namespace bus::ti8x