// license:BSD-3-Clause // copyright-holders:Curt Coder /********************************************************************** VideoBrain Expansion Port emulation **********************************************************************/ #include "emu.h" #include "exp.h" //************************************************************************** // DEVICE DEFINITIONS //************************************************************************** DEFINE_DEVICE_TYPE(VIDEOBRAIN_EXPANSION_SLOT, videobrain_expansion_slot_device, "videobrain_expansion_slot", "VideoBrain expansion port") //************************************************************************** // DEVICE VIDEOBRAIN_EXPANSION CARD INTERFACE //************************************************************************** //------------------------------------------------- // device_videobrain_expansion_card_interface - constructor //------------------------------------------------- device_videobrain_expansion_card_interface::device_videobrain_expansion_card_interface(const machine_config &mconfig, device_t &device) : device_interface(device, "vidbrainexp"), m_rom_mask(0), m_ram_mask(0) { m_slot = dynamic_cast(device.owner()); } //------------------------------------------------- // videobrain_roml_pointer - get low ROM pointer //------------------------------------------------- uint8_t* device_videobrain_expansion_card_interface::videobrain_rom_pointer(running_machine &machine, size_t size) { if (m_rom.empty()) { m_rom.resize(size); m_rom_mask = size - 1; } return &m_rom[0]; } //------------------------------------------------- // videobrain_ram_pointer - get RAM pointer //------------------------------------------------- uint8_t* device_videobrain_expansion_card_interface::videobrain_ram_pointer(running_machine &machine, size_t size) { if (m_ram.empty()) { m_ram.resize(size); m_ram_mask = size - 1; } return &m_ram[0]; } //************************************************************************** // LIVE DEVICE //************************************************************************** //------------------------------------------------- // videobrain_expansion_slot_device - constructor //------------------------------------------------- videobrain_expansion_slot_device::videobrain_expansion_slot_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) : device_t(mconfig, VIDEOBRAIN_EXPANSION_SLOT, tag, owner, clock), device_single_card_slot_interface(mconfig, *this), device_cartrom_image_interface(mconfig, *this), m_write_extres(*this), m_cart(nullptr) { } //------------------------------------------------- // device_start - device-specific startup //------------------------------------------------- void videobrain_expansion_slot_device::device_start() { m_cart = get_card_device(); // resolve callbacks m_write_extres.resolve_safe(); } //------------------------------------------------- // call_load - //------------------------------------------------- image_init_result videobrain_expansion_slot_device::call_load() { if (m_cart) { size_t size; if (!loaded_through_softlist()) { size = length(); fread(m_cart->videobrain_rom_pointer(machine(), size), size); } else { size = get_software_region_length("rom"); if (size) memcpy(m_cart->videobrain_rom_pointer(machine(), size), get_software_region("rom"), size); size = get_software_region_length("ram"); if (size) memset(m_cart->videobrain_ram_pointer(machine(), size), 0, size); } } return image_init_result::PASS; } //------------------------------------------------- // get_default_card_software - //------------------------------------------------- std::string videobrain_expansion_slot_device::get_default_card_software(get_default_card_software_hook &hook) const { return software_get_default_slot("standard"); } //------------------------------------------------- // SLOT_INTERFACE_START( vidbrain_expansion_cards ) //------------------------------------------------- // slot devices #include "std.h" #include "money_minder.h" #include "timeshare.h" void vidbrain_expansion_cards(device_slot_interface &device) { device.option_add_internal("standard", VB_STD); device.option_add_internal("moneyminder", VB_MONEY_MINDER); device.option_add_internal("timeshare", VB_TIMESHARE); }