// license:BSD-3-Clause // copyright-holders:Ryan Holtz /*********************************************************************************************************** V.Smile cart emulation (through slot devices) ***********************************************************************************************************/ #include "emu.h" #include "vsmile_slot.h" //************************************************************************** // GLOBAL VARIABLES //************************************************************************** DEFINE_DEVICE_TYPE(VSMILE_CART_SLOT, vsmile_cart_slot_device, "vsmile_cart_slot", "V.Smile Cartridge Slot") //************************************************************************** // V.Smile cartridge interface //************************************************************************** //------------------------------------------------- // device_vsmile_cart_interface - constructor //------------------------------------------------- device_vsmile_cart_interface::device_vsmile_cart_interface(const machine_config &mconfig, device_t &device) : device_interface(device, "vsmilecart") , m_rom(nullptr) , m_rom_size(0) { } //------------------------------------------------- // ~device_vsmile_cart_interface - destructor //------------------------------------------------- device_vsmile_cart_interface::~device_vsmile_cart_interface() { } //------------------------------------------------- // rom_alloc - alloc the space for the cart //------------------------------------------------- void device_vsmile_cart_interface::rom_alloc(uint32_t size, const char *tag) { if (m_rom == nullptr) { // We always alloc 8MB of ROM region m_rom = (uint16_t *)device().machine().memory().region_alloc(std::string(tag).append(VSMILE_SLOT_ROM_REGION_TAG).c_str(), size, 2, ENDIANNESS_BIG)->base(); m_rom_size = size; } } //------------------------------------------------- // nvram_alloc - alloc the space for the nvram //------------------------------------------------- void device_vsmile_cart_interface::nvram_alloc(uint32_t size) { m_nvram.resize(size / sizeof(uint16_t)); } //************************************************************************** // LIVE DEVICE //************************************************************************** //------------------------------------------------- // vsmile_cart_slot_device - constructor //------------------------------------------------- vsmile_cart_slot_device::vsmile_cart_slot_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) : device_t(mconfig, VSMILE_CART_SLOT, tag, owner, clock), device_image_interface(mconfig, *this), device_single_card_slot_interface(mconfig, *this), m_type(VSMILE_STD), m_cart(nullptr) { } //------------------------------------------------- // vsmile_cart_slot_device - destructor //------------------------------------------------- vsmile_cart_slot_device::~vsmile_cart_slot_device() { } //------------------------------------------------- // device_start - device-specific startup //------------------------------------------------- void vsmile_cart_slot_device::device_start() { m_cart = get_card_device(); } //------------------------------------------------- // V.Smile PCB //------------------------------------------------- struct vsmile_slot { int pcb_id; const char *slot_option; }; // Here, we take the feature attribute from .xml (i.e. the PCB name) and we assign a unique ID to it static const vsmile_slot slot_list[] = { { VSMILE_STD, "vsmile_rom" }, { VSMILE_NVRAM, "vsmile_nvram" }, }; static int vsmile_get_pcb_id(const char *slot) { for (auto & elem : slot_list) { if (!core_stricmp(elem.slot_option, slot)) return elem.pcb_id; } return 0; } /*------------------------------------------------- call load -------------------------------------------------*/ image_init_result vsmile_cart_slot_device::call_load() { if (m_cart) { uint32_t size = loaded_through_softlist() ? get_software_region_length("rom") : length(); if (size > 0x1000000) { seterror(IMAGE_ERROR_UNSPECIFIED, "Attempted loading a cart larger than 16MB"); return image_init_result::FAIL; } m_cart->rom_alloc(size, tag()); uint8_t *rom = (uint8_t *)m_cart->get_rom_base(); if (!loaded_through_softlist()) { fread(rom, size); m_type = VSMILE_STD; } else { const char *pcb_name = get_feature("slot"); memcpy(rom, get_software_region("rom"), size); if (pcb_name) m_type = vsmile_get_pcb_id(pcb_name); osd_printf_info("V.Smile: Detected (XML) %s\n", pcb_name ? pcb_name : "NONE"); } if (m_type == VSMILE_NVRAM) { m_cart->nvram_alloc(0x200000); } if (m_cart->get_nvram_size()) { battery_load(m_cart->get_nvram_base(), m_cart->get_nvram_size(), 0x00); } return image_init_result::PASS; } return image_init_result::PASS; } /*------------------------------------------------- call_unload -------------------------------------------------*/ void vsmile_cart_slot_device::call_unload() { if (m_cart && m_cart->get_nvram_size()) { battery_save(m_cart->get_nvram_base(), m_cart->get_nvram_size()); } } /*------------------------------------------------- get default card software -------------------------------------------------*/ std::string vsmile_cart_slot_device::get_default_card_software(get_default_card_software_hook &hook) const { return software_get_default_slot("vsmile_rom"); } /*------------------------------------------------- cart accessors -------------------------------------------------*/ uint16_t vsmile_cart_slot_device::bank0_r(offs_t offset) { return m_cart->bank0_r(offset); } uint16_t vsmile_cart_slot_device::bank1_r(offs_t offset) { return m_cart->bank1_r(offset); } uint16_t vsmile_cart_slot_device::bank2_r(offs_t offset) { return m_cart->bank2_r(offset); } uint16_t vsmile_cart_slot_device::bank3_r(offs_t offset) { return m_cart->bank3_r(offset); } void vsmile_cart_slot_device::bank0_w(offs_t offset, uint16_t data) { m_cart->bank0_w(offset, data); } void vsmile_cart_slot_device::bank1_w(offs_t offset, uint16_t data) { m_cart->bank1_w(offset, data); } void vsmile_cart_slot_device::bank2_w(offs_t offset, uint16_t data) { m_cart->bank2_w(offset, data); } void vsmile_cart_slot_device::bank3_w(offs_t offset, uint16_t data) { m_cart->bank3_w(offset, data); } void vsmile_cart_slot_device::set_cs2(bool cs2) { m_cart->set_cs2(cs2); }