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Diffstat (limited to 'src/devices/bus/astrocde/accessory.cpp')
-rw-r--r-- | src/devices/bus/astrocde/accessory.cpp | 112 |
1 files changed, 112 insertions, 0 deletions
diff --git a/src/devices/bus/astrocde/accessory.cpp b/src/devices/bus/astrocde/accessory.cpp new file mode 100644 index 00000000000..fe7727b855d --- /dev/null +++ b/src/devices/bus/astrocde/accessory.cpp @@ -0,0 +1,112 @@ +// license:BSD-3-Clause +// copyright-holders:Ryan Holtz + +#include "emu.h" +#include "accessory.h" + +#include <cassert> + + +//************************************************************************** +// GLOBAL VARIABLES +//************************************************************************** + +DEFINE_DEVICE_TYPE(ASTROCADE_ACCESSORY_PORT, astrocade_accessory_port_device, "astrocade_accessory_port", "Bally Astrocade Accessory Port") + + +//************************************************************************** +// Bally Astrocade accessory interface +//************************************************************************** + +device_astrocade_accessory_interface::device_astrocade_accessory_interface(const machine_config &mconfig, device_t &device) + : device_slot_card_interface(mconfig, device) + , m_port(dynamic_cast<astrocade_accessory_port_device *>(device.owner())) +{ +} + +device_astrocade_accessory_interface::~device_astrocade_accessory_interface() +{ +} + +void device_astrocade_accessory_interface::interface_validity_check(validity_checker &valid) const +{ + device_slot_card_interface::interface_validity_check(valid); + + if (device().owner() && !m_port) + { + osd_printf_error("Owner device %s (%s) is not an astrocade_accessory_port_device\n", device().owner()->tag(), device().owner()->name()); + } +} + +void device_astrocade_accessory_interface::interface_pre_start() +{ + device_slot_card_interface::interface_pre_start(); + + if (m_port && !m_port->started()) + throw device_missing_dependencies(); +} + + +//************************************************************************** +// Bally Astrocade accessory port +//************************************************************************** + +astrocade_accessory_port_device::astrocade_accessory_port_device(machine_config const &mconfig, char const *tag, device_t *owner, uint32_t clock) + : device_t(mconfig, ASTROCADE_ACCESSORY_PORT, tag, owner, clock) + , device_slot_interface(mconfig, *this) + , m_ltpen(0) + , m_ltpen_handler(*this) + , m_screen(*this, finder_base::DUMMY_TAG) + , m_device(nullptr) +{ +} + +astrocade_accessory_port_device::~astrocade_accessory_port_device() +{ +} + +void astrocade_accessory_port_device::device_validity_check(validity_checker &valid) const +{ + device_t *const card(get_card_device()); + if (card && !dynamic_cast<device_astrocade_accessory_interface *>(card)) + { + osd_printf_error("Card device %s (%s) does not implement device_astrocade_accessory_interface\n", card->tag(), card->name()); + } +} + +void astrocade_accessory_port_device::device_resolve_objects() +{ + device_astrocade_accessory_interface *const card(dynamic_cast<device_astrocade_accessory_interface *>(get_card_device())); + if (card) + { + m_device = card; + m_device->set_screen(m_screen); + } + + m_ltpen_handler.resolve_safe(); +} + +void astrocade_accessory_port_device::device_start() +{ + device_t *const card(get_card_device()); + if (card) + { + if (!m_device) + { + throw emu_fatalerror("astrocade_accessory_port_device: card device %s (%s) does not implement device_astrocade_accessory_interface\n", card->tag(), card->name()); + } + } + + save_item(NAME(m_ltpen)); + + m_ltpen = 0; + + m_ltpen_handler(0); +} + +#include "lightpen.h" + +void astrocade_accessories(device_slot_interface &device) +{ + device.option_add("lightpen", ASTROCADE_LIGHTPEN); +} |