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Diffstat (limited to 'src/devices/bus/intv_ctrl/ctrl.cpp')
-rw-r--r-- | src/devices/bus/intv_ctrl/ctrl.cpp | 95 |
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 + |