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Diffstat (limited to 'src/devices/bus/intv_ctrl/ctrl.cpp')
-rw-r--r--src/devices/bus/intv_ctrl/ctrl.cpp95
1 files changed, 95 insertions, 0 deletions
diff --git a/src/devices/bus/intv_ctrl/ctrl.cpp b/src/devices/bus/intv_ctrl/ctrl.cpp
new file mode 100644
index 00000000000..4d57c558d0e
--- /dev/null
+++ b/src/devices/bus/intv_ctrl/ctrl.cpp
@@ -0,0 +1,95 @@
+// license:BSD-3-Clause
+// copyright-holders:Fabio Priuli
+/**********************************************************************
+
+ Mattel Intellivision controller port emulation
+
+**********************************************************************/
+
+#include "ctrl.h"
+// slot devices
+#include "handctrl.h"
+
+
+//**************************************************************************
+// GLOBAL VARIABLES
+//**************************************************************************
+
+const device_type INTV_CONTROL_PORT = &device_creator<intv_control_port_device>;
+
+
+//**************************************************************************
+// CARD INTERFACE
+//**************************************************************************
+
+//-------------------------------------------------
+// device_intv_control_port_interface - constructor
+//-------------------------------------------------
+
+device_intv_control_port_interface::device_intv_control_port_interface(const machine_config &mconfig, device_t &device)
+ : device_slot_card_interface(mconfig,device)
+{
+ m_port = dynamic_cast<intv_control_port_device *>(device.owner());
+}
+
+
+//-------------------------------------------------
+// ~device_intv_control_port_interface - destructor
+//-------------------------------------------------
+
+device_intv_control_port_interface::~device_intv_control_port_interface()
+{
+}
+
+
+//**************************************************************************
+// LIVE DEVICE
+//**************************************************************************
+
+//-------------------------------------------------
+// intv_control_port_device - constructor
+//-------------------------------------------------
+
+intv_control_port_device::intv_control_port_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock) :
+ device_t(mconfig, INTV_CONTROL_PORT, "Mattel Intellivision control port", tag, owner, clock, "intv_control_port", __FILE__),
+ device_slot_interface(mconfig, *this), m_device(nullptr)
+{
+}
+
+
+//-------------------------------------------------
+// intv_control_port_device - destructor
+//-------------------------------------------------
+
+intv_control_port_device::~intv_control_port_device()
+{
+}
+
+
+//-------------------------------------------------
+// device_start - device-specific startup
+//-------------------------------------------------
+
+void intv_control_port_device::device_start()
+{
+ m_device = dynamic_cast<device_intv_control_port_interface *>(get_card_device());
+}
+
+
+UINT8 intv_control_port_device::read_ctrl()
+{
+ UINT8 data = 0;
+ if (m_device)
+ data |= m_device->read_ctrl();
+ return data;
+}
+
+
+//-------------------------------------------------
+// SLOT_INTERFACE( intv_control_port_devices )
+//-------------------------------------------------
+
+SLOT_INTERFACE_START( intv_control_port_devices )
+ SLOT_INTERFACE("handctrl", INTV_HANDCTRL)
+SLOT_INTERFACE_END
+