// license:BSD-3-Clause // copyright-holders:Curt Coder /********************************************************************** Kontron Europe Card Bus emulation **********************************************************************/ #include "emu.h" #include "ecbbus.h" //************************************************************************** // GLOBAL VARIABLES //************************************************************************** DEFINE_DEVICE_TYPE(ECBBUS_SLOT, ecbbus_slot_device, "ecbbus_slot", "ECB bus slot") //************************************************************************** // LIVE DEVICE //************************************************************************** //------------------------------------------------- // ecbbus_slot_device - constructor //------------------------------------------------- ecbbus_slot_device::ecbbus_slot_device(const machine_config &mconfig, const char *tag, device_t *owner, const XTAL &clock) : device_t(mconfig, ECBBUS_SLOT, tag, owner, clock), device_single_card_slot_interface(mconfig, *this), m_bus(*this, finder_base::DUMMY_TAG), m_bus_num(0) { } //------------------------------------------------- // device_start - device-specific startup //------------------------------------------------- void ecbbus_slot_device::device_start() { device_ecbbus_card_interface *const dev = get_card_device(); if (dev) m_bus->add_card(*dev, m_bus_num); } //************************************************************************** // DEVICE DEFINITIONS //************************************************************************** DEFINE_DEVICE_TYPE(ECBBUS, ecbbus_device, "ecbbus", "ECB bus") //************************************************************************** // DEVICE ECBBUS CARD INTERFACE //************************************************************************** //------------------------------------------------- // device_ecbbus_card_interface - constructor //------------------------------------------------- device_ecbbus_card_interface::device_ecbbus_card_interface(const machine_config &mconfig, device_t &device) : device_interface(device, "ecbbus") { m_slot = dynamic_cast(device.owner()); } //************************************************************************** // LIVE DEVICE //************************************************************************** //------------------------------------------------- // ecbbus_device - constructor //------------------------------------------------- ecbbus_device::ecbbus_device(const machine_config &mconfig, const char *tag, device_t *owner, const XTAL &clock) : device_t(mconfig, ECBBUS, tag, owner, clock), m_write_irq(*this), m_write_nmi(*this) { std::fill(std::begin(m_ecbbus_device), std::end(m_ecbbus_device), nullptr); } //------------------------------------------------- // device_start - device-specific startup //------------------------------------------------- void ecbbus_device::device_start() { // resolve callbacks m_write_irq.resolve_safe(); m_write_nmi.resolve_safe(); } //------------------------------------------------- // add_card - add ECB bus card //------------------------------------------------- void ecbbus_device::add_card(device_ecbbus_card_interface &card, int pos) { m_ecbbus_device[pos] = &card; } //------------------------------------------------- // mem_r - //------------------------------------------------- uint8_t ecbbus_device::mem_r(offs_t offset) { uint8_t data = 0; for (auto & elem : m_ecbbus_device) { if (elem != nullptr) { data |= elem->ecbbus_mem_r(offset); } } return data; } //------------------------------------------------- // mem_w - //------------------------------------------------- void ecbbus_device::mem_w(offs_t offset, uint8_t data) { for (auto & elem : m_ecbbus_device) { if (elem != nullptr) { elem->ecbbus_mem_w(offset, data); } } } //------------------------------------------------- // io_r - //------------------------------------------------- uint8_t ecbbus_device::io_r(offs_t offset) { uint8_t data = 0; for (auto & elem : m_ecbbus_device) { if (elem != nullptr) { data |= elem->ecbbus_io_r(offset); } } return data; } //------------------------------------------------- // io_w - //------------------------------------------------- void ecbbus_device::io_w(offs_t offset, uint8_t data) { for (auto & elem : m_ecbbus_device) { if (elem != nullptr) { elem->ecbbus_io_w(offset, data); } } } //------------------------------------------------- // SLOT_INTERFACE( ecbbus_cards ) //------------------------------------------------- // slot devices #include "grip.h" void ecbbus_cards(device_slot_interface &device) { device.option_add("grip21", ECB_GRIP21); /* device.option_add("grip25", ECB_GRIP25); device.option_add("grip26", ECB_GRIP26); device.option_add("grip31", ECB_GRIP31); device.option_add("grip562", ECB_GRIP562); device.option_add("grips115", ECB_GRIPS115);*/ }