diff options
Diffstat (limited to 'src/devices/bus/vectrex/slot.cpp')
-rw-r--r-- | src/devices/bus/vectrex/slot.cpp | 32 |
1 files changed, 11 insertions, 21 deletions
diff --git a/src/devices/bus/vectrex/slot.cpp b/src/devices/bus/vectrex/slot.cpp index ffb7f515379..2b5ebd481a1 100644 --- a/src/devices/bus/vectrex/slot.cpp +++ b/src/devices/bus/vectrex/slot.cpp @@ -44,11 +44,11 @@ device_vectrex_cart_interface::~device_vectrex_cart_interface() // rom_alloc - alloc the space for the cart //------------------------------------------------- -void device_vectrex_cart_interface::rom_alloc(uint32_t size, const char *tag) +void device_vectrex_cart_interface::rom_alloc(uint32_t size) { if (m_rom == nullptr) { - m_rom = device().machine().memory().region_alloc(std::string(tag).append(VECSLOT_ROM_REGION_TAG).c_str(), size, 1, ENDIANNESS_LITTLE)->base(); + m_rom = device().machine().memory().region_alloc(device().subtag("^cart:rom"), size, 1, ENDIANNESS_LITTLE)->base(); m_rom_size = size; } } @@ -63,7 +63,7 @@ void device_vectrex_cart_interface::rom_alloc(uint32_t size, const char *tag) //------------------------------------------------- vectrex_cart_slot_device::vectrex_cart_slot_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) : device_t(mconfig, VECTREX_CART_SLOT, tag, owner, clock), - device_image_interface(mconfig, *this), + device_cartrom_image_interface(mconfig, *this), device_single_card_slot_interface<device_vectrex_cart_interface>(mconfig, *this), m_type(VECTREX_STD), m_vec3d(VEC3D_NONE), @@ -136,21 +136,17 @@ static const char *vectrex_get_slot(int type) call load -------------------------------------------------*/ -image_init_result vectrex_cart_slot_device::call_load() +std::pair<std::error_condition, std::string> vectrex_cart_slot_device::call_load() { if (m_cart) { - uint32_t size = !loaded_through_softlist() ? length() : get_software_region_length("rom"); - uint8_t *ROM; + uint32_t const size = !loaded_through_softlist() ? length() : get_software_region_length("rom"); if (size > 0x10000) - { - seterror(image_error::INVALIDIMAGE, "Unsupported cartridge size"); - return image_init_result::FAIL; - } + return std::make_pair(image_error::INVALIDLENGTH, "Unsupported cartridge size (must be no larger than 64K)"); - m_cart->rom_alloc((size < 0x1000) ? 0x1000 : size, tag()); - ROM = m_cart->get_rom_base(); + m_cart->rom_alloc((size < 0x1000) ? 0x1000 : size); + uint8_t *const ROM = m_cart->get_rom_base(); if (!loaded_through_softlist()) fread(ROM, size); @@ -159,10 +155,7 @@ image_init_result vectrex_cart_slot_device::call_load() // Verify the file is accepted by the Vectrex bios if (memcmp(ROM, "g GCE", 5)) - { - seterror(image_error::INVALIDIMAGE, "Invalid image"); - return image_init_result::FAIL; - } + return std::make_pair(image_error::INVALIDIMAGE, "Invalid Vectrex ROM"); // determine type m_type = VECTREX_STD; @@ -182,11 +175,9 @@ image_init_result vectrex_cart_slot_device::call_load() if (!memcmp(ROM + 0x11, "3D MINE STORM", 13)) m_vec3d = VEC3D_MINEST; - - return image_init_result::PASS; } - return image_init_result::PASS; + return std::make_pair(std::error_condition(), std::string()); } @@ -203,8 +194,7 @@ std::string vectrex_cart_slot_device::get_default_card_software(get_default_card std::uint64_t size; hook.image_file()->length(size); std::vector<uint8_t> rom(size); - std::size_t actual; - hook.image_file()->read(&rom[0], size, actual); + read(*hook.image_file(), &rom[0], size); int type = VECTREX_STD; if (!memcmp(&rom[0x06], "SRAM", 4)) // FIXME: bounds check! |