// license:BSD-3-Clause // copyright-holders:Curt Coder /********************************************************************** Bondwell 2 Expansion Port emulation **********************************************************************/ #include "emu.h" #include "exp.h" //************************************************************************** // GLOBAL VARIABLES //************************************************************************** DEFINE_DEVICE_TYPE(BW2_EXPANSION_SLOT, bw2_expansion_slot_device, "bw2_expansion_slot", "Bondwell 2 expansion port") //************************************************************************** // CARD INTERFACE //************************************************************************** //------------------------------------------------- // device_bw2_expansion_slot_interface - constructor //------------------------------------------------- device_bw2_expansion_slot_interface::device_bw2_expansion_slot_interface(const machine_config &mconfig, device_t &device) : device_interface(device, "bw2exp") { m_slot = dynamic_cast(device.owner()); } //------------------------------------------------- // ~device_bw2_expansion_slot_interface - destructor //------------------------------------------------- device_bw2_expansion_slot_interface::~device_bw2_expansion_slot_interface() { } //************************************************************************** // LIVE DEVICE //************************************************************************** //------------------------------------------------- // bw2_expansion_slot_device - constructor //------------------------------------------------- bw2_expansion_slot_device::bw2_expansion_slot_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) : device_t(mconfig, BW2_EXPANSION_SLOT, tag, owner, clock), device_single_card_slot_interface(mconfig, *this), m_cart(nullptr) { } //------------------------------------------------- // bw2_expansion_slot_device - destructor //------------------------------------------------- bw2_expansion_slot_device::~bw2_expansion_slot_device() { } //------------------------------------------------- // device_start - device-specific startup //------------------------------------------------- void bw2_expansion_slot_device::device_start() { m_cart = get_card_device(); } //------------------------------------------------- // device_reset - device-specific reset //------------------------------------------------- void bw2_expansion_slot_device::device_reset() { if (m_cart != nullptr) { m_cart->device().reset(); } } //------------------------------------------------- // cd_r - cartridge data read //------------------------------------------------- uint8_t bw2_expansion_slot_device::cd_r(offs_t offset, uint8_t data, int ram2, int ram3, int ram4, int ram5, int ram6) { if (m_cart != nullptr) { data = m_cart->bw2_cd_r(offset, data, ram2, ram3, ram4, ram5, ram6); } return data; } //------------------------------------------------- // cd_w - cartridge data write //------------------------------------------------- void bw2_expansion_slot_device::cd_w(offs_t offset, uint8_t data, int ram2, int ram3, int ram4, int ram5, int ram6) { if (m_cart != nullptr) { m_cart->bw2_cd_w(offset, data, ram2, ram3, ram4, ram5, ram6); } } //------------------------------------------------- // slot_r - slot read //------------------------------------------------- uint8_t bw2_expansion_slot_device::slot_r(offs_t offset) { uint8_t data = 0xff; if (m_cart != nullptr) { data = m_cart->bw2_slot_r(offset); } return data; } //------------------------------------------------- // slot_w - slot write //------------------------------------------------- void bw2_expansion_slot_device::slot_w(offs_t offset, uint8_t data) { if (m_cart != nullptr) { m_cart->bw2_slot_w(offset, data); } } //------------------------------------------------- // modsel_r - modsel read //------------------------------------------------- uint8_t bw2_expansion_slot_device::modsel_r(offs_t offset) { uint8_t data = 0xff; if (m_cart != nullptr) { data = m_cart->bw2_modsel_r(offset); } return data; } //------------------------------------------------- // modsel_w - modsel write //------------------------------------------------- void bw2_expansion_slot_device::modsel_w(offs_t offset, uint8_t data) { if (m_cart != nullptr) { m_cart->bw2_modsel_w(offset, data); } } //------------------------------------------------- // SLOT_INTERFACE( bw2_expansion_cards ) //------------------------------------------------- // slot devices #include "ramcard.h" void bw2_expansion_cards(device_slot_interface &device) { device.option_add("ramcard", BW2_RAMCARD); }