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-rw-r--r--src/devices/bus/jakks_gamekey/slot.cpp237
1 files changed, 237 insertions, 0 deletions
diff --git a/src/devices/bus/jakks_gamekey/slot.cpp b/src/devices/bus/jakks_gamekey/slot.cpp
new file mode 100644
index 00000000000..6a5196875b1
--- /dev/null
+++ b/src/devices/bus/jakks_gamekey/slot.cpp
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+// license:BSD-3-Clause
+// copyright-holders:David Haywood
+
+#include "emu.h"
+#include "slot.h"
+
+//**************************************************************************
+// GLOBAL VARIABLES
+//**************************************************************************
+
+DEFINE_DEVICE_TYPE(JAKKS_GAMEKEY_SLOT, jakks_gamekey_slot_device, "jakks_gamekey_slot", "JAKKS Pacific Gamekey Slot")
+
+//**************************************************************************
+// JAKKS GAMEKEY cartridges Interface
+//**************************************************************************
+
+//-------------------------------------------------
+// device_jakks_gamekey_interface - constructor
+//-------------------------------------------------
+
+device_jakks_gamekey_interface::device_jakks_gamekey_interface(const machine_config &mconfig, device_t &device)
+ : device_slot_card_interface(mconfig, device),
+ m_rom(nullptr),
+ m_rom_size(0)
+{
+}
+
+
+//-------------------------------------------------
+// ~device_jakks_gamekey_interface - destructor
+//-------------------------------------------------
+
+device_jakks_gamekey_interface::~device_jakks_gamekey_interface()
+{
+}
+
+//-------------------------------------------------
+// rom_alloc - alloc the space for the cart
+//-------------------------------------------------
+
+void device_jakks_gamekey_interface::rom_alloc(uint32_t size, const char *tag)
+{
+ if (m_rom == nullptr)
+ {
+ m_rom = device().machine().memory().region_alloc(std::string(tag).append(JAKKSSLOT_ROM_REGION_TAG).c_str(), size, 1, ENDIANNESS_BIG)->base();
+ m_rom_size = size;
+ }
+}
+
+//**************************************************************************
+// LIVE DEVICE
+//**************************************************************************
+
+//-------------------------------------------------
+// jakks_gamekey_slot_device - constructor
+//-------------------------------------------------
+jakks_gamekey_slot_device::jakks_gamekey_slot_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) :
+ device_t(mconfig, JAKKS_GAMEKEY_SLOT, tag, owner, clock),
+ device_image_interface(mconfig, *this),
+ device_slot_interface(mconfig, *this),
+ m_type(JAKKS_GAMEKEY_PLAIN),
+ m_cart(nullptr)
+{
+}
+
+//-------------------------------------------------
+// jakks_gamekey_slot_device - destructor
+//-------------------------------------------------
+
+jakks_gamekey_slot_device::~jakks_gamekey_slot_device()
+{
+}
+
+//-------------------------------------------------
+// device_start - device-specific startup
+//-------------------------------------------------
+
+void jakks_gamekey_slot_device::device_start()
+{
+ m_cart = dynamic_cast<device_jakks_gamekey_interface *>(get_card_device());
+}
+
+//-------------------------------------------------
+// JAKKS GAMEKEY PCB
+//-------------------------------------------------
+
+struct jakks_gamekey_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 jakks_gamekey_slot slot_list[] =
+{
+ { JAKKS_GAMEKEY_PLAIN, "plain" },
+ { JAKKS_GAMEKEY_I2C_BASE, "i2c_base" },
+ { JAKKS_GAMEKEY_I2C_24LC04, "rom_24lc04" },
+};
+
+static int jakks_gamekey_get_pcb_id(const char *slot)
+{
+ for (auto & elem : slot_list)
+ {
+ if (!core_stricmp(elem.slot_option, slot))
+ return elem.pcb_id;
+ }
+
+ return 0;
+}
+
+static const char *jakks_gamekey_get_slot(int type)
+{
+ for (auto & elem : slot_list)
+ {
+ if (elem.pcb_id == type)
+ return elem.slot_option;
+ }
+
+ return "plain";
+}
+
+
+/*-------------------------------------------------
+ call load
+ -------------------------------------------------*/
+
+image_init_result jakks_gamekey_slot_device::call_load()
+{
+ if (m_cart)
+ {
+ uint8_t *ROM;
+ uint32_t len = !loaded_through_softlist() ? length() : get_software_region_length("rom");
+
+ m_cart->rom_alloc(len, tag());
+
+ ROM = m_cart->get_rom_base();
+
+ if (!loaded_through_softlist())
+ fread(ROM, len);
+ else
+ memcpy(ROM, get_software_region("rom"), len);
+
+ if (!loaded_through_softlist())
+ {
+ // attempt to detect cart type without softlist assistance
+ m_type = get_cart_type(ROM, len);
+ }
+ else
+ {
+ // or for softlist loading, use the type specified
+ const char *pcb_name = get_feature("slot");
+ if (pcb_name)
+ m_type = jakks_gamekey_get_pcb_id(pcb_name);
+ }
+
+ return image_init_result::PASS;
+ }
+
+ return image_init_result::PASS;
+}
+
+
+/*-------------------------------------------------
+ get_cart_type - code to detect cart type from
+ fullpath
+ -------------------------------------------------*/
+
+int jakks_gamekey_slot_device::get_cart_type(const uint8_t *ROM, uint32_t len)
+{
+ // without code analysis we have no way of knowing.
+ int type = JAKKS_GAMEKEY_PLAIN;
+ return type;
+}
+
+
+/*-------------------------------------------------
+ get default card software
+ -------------------------------------------------*/
+
+std::string jakks_gamekey_slot_device::get_default_card_software(get_default_card_software_hook &hook) const
+{
+ if (hook.image_file())
+ {
+ const char *slot_string;
+ uint32_t len = hook.image_file()->size();
+ std::vector<uint8_t> rom(len);
+ int type;
+
+ hook.image_file()->read(&rom[0], len);
+
+ type = get_cart_type(&rom[0], len);
+ slot_string = jakks_gamekey_get_slot(type);
+
+ printf("type: %s\n", slot_string);
+
+ return std::string(slot_string);
+ }
+
+ return software_get_default_slot("plain");
+}
+
+/*-------------------------------------------------
+ read
+ -------------------------------------------------*/
+
+READ16_MEMBER(jakks_gamekey_slot_device::read_cart)
+{
+ return m_cart->read_cart(space, offset);
+}
+
+/*-------------------------------------------------
+ write
+ -------------------------------------------------*/
+
+WRITE16_MEMBER(jakks_gamekey_slot_device::write_cart)
+{
+ m_cart->write_cart(space, offset, data);
+}
+
+/*-------------------------------------------------
+ read seeprom
+ -------------------------------------------------*/
+
+uint8_t jakks_gamekey_slot_device::read_cart_seeprom(void)
+{
+ return m_cart->read_cart_seeprom();
+}
+
+/*-------------------------------------------------
+ write seeprom
+ -------------------------------------------------*/
+
+WRITE16_MEMBER(jakks_gamekey_slot_device::write_cart_seeprom)
+{
+ m_cart->write_cart_seeprom(space, offset, data);
+}