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Diffstat (limited to 'src/devices/bus/vsmile/vsmile_slot.cpp')
-rw-r--r--src/devices/bus/vsmile/vsmile_slot.cpp257
1 files changed, 257 insertions, 0 deletions
diff --git a/src/devices/bus/vsmile/vsmile_slot.cpp b/src/devices/bus/vsmile/vsmile_slot.cpp
new file mode 100644
index 00000000000..9489c1f38dd
--- /dev/null
+++ b/src/devices/bus/vsmile/vsmile_slot.cpp
@@ -0,0 +1,257 @@
+// 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_slot_card_interface(mconfig, device)
+ , 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(), 0x800000, 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_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 = dynamic_cast<device_vsmile_cart_interface *>(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 > 0x800000)
+ {
+ seterror(IMAGE_ERROR_UNSPECIFIED, "Attempted loading a cart larger than 8MB");
+ 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())
+ {
+ printf("nvram_size 1\n");
+ 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)
+ printf("nvram_size: %d\n", m_cart->get_nvram_size());
+ 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");
+}
+
+
+/*-------------------------------------------------
+ read
+ -------------------------------------------------*/
+
+READ16_MEMBER(vsmile_cart_slot_device::bank0_r)
+{
+ return m_cart->bank0_r(space, offset, mem_mask);
+}
+
+READ16_MEMBER(vsmile_cart_slot_device::bank1_r)
+{
+ return m_cart->bank1_r(space, offset, mem_mask);
+}
+
+READ16_MEMBER(vsmile_cart_slot_device::bank2_r)
+{
+ return m_cart->bank2_r(space, offset, mem_mask);
+}
+
+READ16_MEMBER(vsmile_cart_slot_device::bank3_r)
+{
+ return m_cart->bank3_r(space, offset, mem_mask);
+}
+
+
+/*-------------------------------------------------
+ write
+ -------------------------------------------------*/
+
+WRITE16_MEMBER(vsmile_cart_slot_device::bank0_w)
+{
+ m_cart->bank0_w(space, offset, data, mem_mask);
+}
+
+WRITE16_MEMBER(vsmile_cart_slot_device::bank1_w)
+{
+ m_cart->bank1_w(space, offset, data, mem_mask);
+}
+
+WRITE16_MEMBER(vsmile_cart_slot_device::bank2_w)
+{
+ m_cart->bank2_w(space, offset, data, mem_mask);
+}
+
+WRITE16_MEMBER(vsmile_cart_slot_device::bank3_w)
+{
+ m_cart->bank3_w(space, offset, data, mem_mask);
+}