From f88cefad27a1737c76e09d99c9fb43e173506081 Mon Sep 17 00:00:00 2001 From: Miodrag Milanovic Date: Sun, 13 Sep 2015 08:41:44 +0200 Subject: Move all devices into separate part of src tree (nw) --- src/devices/bus/vboy/rom.c | 61 ++++++++++ src/devices/bus/vboy/rom.h | 47 ++++++++ src/devices/bus/vboy/slot.c | 273 ++++++++++++++++++++++++++++++++++++++++++++ src/devices/bus/vboy/slot.h | 115 +++++++++++++++++++ 4 files changed, 496 insertions(+) create mode 100644 src/devices/bus/vboy/rom.c create mode 100644 src/devices/bus/vboy/rom.h create mode 100644 src/devices/bus/vboy/slot.c create mode 100644 src/devices/bus/vboy/slot.h (limited to 'src/devices/bus/vboy') diff --git a/src/devices/bus/vboy/rom.c b/src/devices/bus/vboy/rom.c new file mode 100644 index 00000000000..587be158610 --- /dev/null +++ b/src/devices/bus/vboy/rom.c @@ -0,0 +1,61 @@ +// license:BSD-3-Clause +// copyright-holders:Fabio Priuli +/*********************************************************************************************************** + + + Nintendo Virtual Boy cart emulation + + + ***********************************************************************************************************/ + + +#include "emu.h" +#include "rom.h" + + +//------------------------------------------------- +// vboy_rom_device - constructor +//------------------------------------------------- + +const device_type VBOY_ROM_STD = &device_creator; +const device_type VBOY_ROM_EEPROM = &device_creator; + + +vboy_rom_device::vboy_rom_device(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, UINT32 clock, const char *shortname, const char *source) + : device_t(mconfig, type, name, tag, owner, clock, shortname, source), + device_vboy_cart_interface( mconfig, *this ) +{ +} + +vboy_rom_device::vboy_rom_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock) + : device_t(mconfig, VBOY_ROM_STD, "Nintendo Virtual Boy Carts", tag, owner, clock, "vboy_rom", __FILE__), + device_vboy_cart_interface( mconfig, *this ) +{ +} + +vboy_eeprom_device::vboy_eeprom_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock) + : vboy_rom_device(mconfig, VBOY_ROM_EEPROM, "Nintendo Virtual Boy Carts + EEPROM", tag, owner, clock, "vboy_eeprom", __FILE__) +{ +} + + +/*------------------------------------------------- + mapper specific handlers + -------------------------------------------------*/ + +READ32_MEMBER(vboy_rom_device::read_cart) +{ + return m_rom[offset & m_rom_mask]; +} + + +READ32_MEMBER(vboy_eeprom_device::read_eeprom) +{ + return m_eeprom[offset]; +} + + +WRITE32_MEMBER(vboy_eeprom_device::write_eeprom) +{ + COMBINE_DATA(&m_eeprom[offset]); +} diff --git a/src/devices/bus/vboy/rom.h b/src/devices/bus/vboy/rom.h new file mode 100644 index 00000000000..0f26468892b --- /dev/null +++ b/src/devices/bus/vboy/rom.h @@ -0,0 +1,47 @@ +// license:BSD-3-Clause +// copyright-holders:Fabio Priuli +#ifndef __VBOY_ROM_H +#define __VBOY_ROM_H + +#include "slot.h" + + +// ======================> vboy_rom_device + +class vboy_rom_device : public device_t, + public device_vboy_cart_interface +{ +public: + // construction/destruction + vboy_rom_device(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, UINT32 clock, const char *shortname, const char *source); + vboy_rom_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); + + // device-level overrides + virtual void device_start() {} + + // reading and writing + virtual DECLARE_READ32_MEMBER(read_cart); +}; + +// ======================> vboy_eeprom_device + +class vboy_eeprom_device : public vboy_rom_device +{ +public: + // construction/destruction + vboy_eeprom_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); + + // reading and writing + virtual DECLARE_READ32_MEMBER(read_eeprom); + virtual DECLARE_WRITE32_MEMBER(write_eeprom); +}; + + + +// device type definition +extern const device_type VBOY_ROM_STD; +extern const device_type VBOY_ROM_EEPROM; + + + +#endif diff --git a/src/devices/bus/vboy/slot.c b/src/devices/bus/vboy/slot.c new file mode 100644 index 00000000000..da00aeaca04 --- /dev/null +++ b/src/devices/bus/vboy/slot.c @@ -0,0 +1,273 @@ +// license:BSD-3-Clause +// copyright-holders:Fabio Priuli +/*********************************************************************************************************** + + Nintendo Virtual Boy cart emulation + (through slot devices) + + ***********************************************************************************************************/ + + +#include "emu.h" +#include "slot.h" + +//************************************************************************** +// GLOBAL VARIABLES +//************************************************************************** + +const device_type VBOY_CART_SLOT = &device_creator; + +//************************************************************************** +// vboy cartridges Interface +//************************************************************************** + +//------------------------------------------------- +// device_vboy_cart_interface - constructor +//------------------------------------------------- + +device_vboy_cart_interface::device_vboy_cart_interface(const machine_config &mconfig, device_t &device) + : device_slot_card_interface(mconfig, device), + m_rom(NULL), + m_rom_size(0), + m_rom_mask(0) +{ +} + + +//------------------------------------------------- +// ~device_vboy_cart_interface - destructor +//------------------------------------------------- + +device_vboy_cart_interface::~device_vboy_cart_interface() +{ +} + +//------------------------------------------------- +// rom_alloc - alloc the space for the cart +//------------------------------------------------- + +void device_vboy_cart_interface::rom_alloc(UINT32 size, const char *tag) +{ + if (m_rom == NULL) + { + m_rom = (UINT32 *)device().machine().memory().region_alloc(std::string(tag).append(VBOYSLOT_ROM_REGION_TAG).c_str(), size, 4, ENDIANNESS_LITTLE)->base(); + m_rom_size = size/4; + m_rom_mask = m_rom_size - 1; + } +} + + +//------------------------------------------------- +// ram_alloc - alloc the space for the ram +//------------------------------------------------- + +void device_vboy_cart_interface::eeprom_alloc(UINT32 size) +{ + m_eeprom.resize(size/sizeof(UINT32)); +} + + +//************************************************************************** +// LIVE DEVICE +//************************************************************************** + +//------------------------------------------------- +// vboy_cart_slot_device - constructor +//------------------------------------------------- +vboy_cart_slot_device::vboy_cart_slot_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock) : + device_t(mconfig, VBOY_CART_SLOT, "Nintendo Virtual Boy Cartridge Slot", tag, owner, clock, "vboy_cart_slot", __FILE__), + device_image_interface(mconfig, *this), + device_slot_interface(mconfig, *this), + m_type(VBOY_STD) +{ +} + + +//------------------------------------------------- +// vboy_cart_slot_device - destructor +//------------------------------------------------- + +vboy_cart_slot_device::~vboy_cart_slot_device() +{ +} + +//------------------------------------------------- +// device_start - device-specific startup +//------------------------------------------------- + +void vboy_cart_slot_device::device_start() +{ + m_cart = dynamic_cast(get_card_device()); +} + +//------------------------------------------------- +// device_config_complete - perform any +// operations now that the configuration is +// complete +//------------------------------------------------- + +void vboy_cart_slot_device::device_config_complete() +{ + // set brief and instance name + update_names(); +} + + +//------------------------------------------------- +// vboy PCB +//------------------------------------------------- + +struct vboy_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 vboy_slot slot_list[] = +{ + { VBOY_STD, "vb_rom" }, + { VBOY_EEPROM, "vb_eeprom" } +}; + +static int vboy_get_pcb_id(const char *slot) +{ + for (int i = 0; i < ARRAY_LENGTH(slot_list); i++) + { + if (!core_stricmp(slot_list[i].slot_option, slot)) + return slot_list[i].pcb_id; + } + + return 0; +} + +#if 0 +static const char *vboy_get_slot(int type) +{ + for (int i = 0; i < ARRAY_LENGTH(slot_list); i++) + { + if (slot_list[i].pcb_id == type) + return slot_list[i].slot_option; + } + + return "vb_rom"; +} +#endif + +/*------------------------------------------------- + call load + -------------------------------------------------*/ + +bool vboy_cart_slot_device::call_load() +{ + if (m_cart) + { + UINT8 *ROM; + UINT32 len = (software_entry() == NULL) ? length() : get_software_region_length("rom"); + bool has_eeprom = (software_entry() != NULL) && get_software_region("eeprom"); + + if (len > 0x200000) + { + seterror(IMAGE_ERROR_UNSPECIFIED, "Unsupported cartridge size"); + return IMAGE_INIT_FAIL; + } + + // always alloc 0x200000 so to be able to directly map the region + // to the address map (speeding up emulation a bit) + m_cart->rom_alloc(0x200000, tag()); + if (has_eeprom) + m_cart->eeprom_alloc(get_software_region_length("eeprom")); + + ROM = (UINT8 *)m_cart->get_rom_base(); + + if (software_entry() == NULL) + fread(ROM, len); + else + memcpy(ROM, get_software_region("rom"), len); + + if (len < 0x080000) { memcpy(ROM + 0x040000, ROM, 0x040000); } + if (len < 0x100000) { memcpy(ROM + 0x080000, ROM, 0x080000); } + if (len < 0x200000) { memcpy(ROM + 0x100000, ROM, 0x100000); } + + if (software_entry() == NULL) + m_type = vboy_get_pcb_id("vb_rom"); + else + { + const char *pcb_name = get_feature("slot"); + if (pcb_name) + m_type = vboy_get_pcb_id(pcb_name); + } + + //printf("Type: %s\n", vboy_get_slot(m_type)); + + return IMAGE_INIT_PASS; + } + + return IMAGE_INIT_PASS; +} + + +/*------------------------------------------------- + call_unload + -------------------------------------------------*/ + +void vboy_cart_slot_device::call_unload() +{ + if (m_cart && m_cart->get_eeprom_base() && m_cart->get_eeprom_size()) + battery_save(m_cart->get_eeprom_base(), m_cart->get_eeprom_size() * 4); +} + +/*------------------------------------------------- + call softlist load + -------------------------------------------------*/ + +bool vboy_cart_slot_device::call_softlist_load(software_list_device &swlist, const char *swname, const rom_entry *start_entry) +{ + load_software_part_region(*this, swlist, swname, start_entry); + return TRUE; +} + + + +/*------------------------------------------------- + get default card software + -------------------------------------------------*/ + +void vboy_cart_slot_device::get_default_card_software(std::string &result) +{ + software_get_default_slot(result, "vb_rom"); +} + +/*------------------------------------------------- + read + -------------------------------------------------*/ + +READ32_MEMBER(vboy_cart_slot_device::read_cart) +{ + if (m_cart) + return m_cart->read_cart(space, offset, mem_mask); + else + return 0xffffffff; +} + +/*------------------------------------------------- + read + -------------------------------------------------*/ + +READ32_MEMBER(vboy_cart_slot_device::read_eeprom) +{ + if (m_cart) + return m_cart->read_eeprom(space, offset, mem_mask); + else + return 0xffffffff; +} + +/*------------------------------------------------- + write + -------------------------------------------------*/ + +WRITE32_MEMBER(vboy_cart_slot_device::write_eeprom) +{ + if (m_cart) + m_cart->write_eeprom(space, offset, data, mem_mask); +} diff --git a/src/devices/bus/vboy/slot.h b/src/devices/bus/vboy/slot.h new file mode 100644 index 00000000000..e865eece213 --- /dev/null +++ b/src/devices/bus/vboy/slot.h @@ -0,0 +1,115 @@ +// license:BSD-3-Clause +// copyright-holders:Fabio Priuli +#ifndef __VBOY_SLOT_H +#define __VBOY_SLOT_H + +/*************************************************************************** + TYPE DEFINITIONS + ***************************************************************************/ + + +/* PCB */ +enum +{ + VBOY_STD = 0, + VBOY_EEPROM +}; + + +// ======================> device_vboy_cart_interface + +class device_vboy_cart_interface : public device_slot_card_interface +{ +public: + // construction/destruction + device_vboy_cart_interface(const machine_config &mconfig, device_t &device); + virtual ~device_vboy_cart_interface(); + + // reading and writing + virtual DECLARE_READ32_MEMBER(read_cart) { return 0xffffffff; } + virtual DECLARE_READ32_MEMBER(read_eeprom) { return 0xffffffff; } + virtual DECLARE_WRITE32_MEMBER(write_eeprom) {} + + void rom_alloc(UINT32 size, const char *tag); + void eeprom_alloc(UINT32 size); + UINT32* get_rom_base() { return m_rom; } + UINT32* get_eeprom_base() { return &m_eeprom[0]; } + UINT32 get_rom_size() { return m_rom_size; } + UINT32 get_eeprom_size() { return m_eeprom.size(); } + + void save_eeprom() { device().save_item(NAME(m_eeprom)); } + +protected: + // internal state + UINT32 *m_rom; + UINT32 m_rom_size; + UINT32 m_rom_mask; + std::vector m_eeprom; +}; + + +// ======================> vboy_cart_slot_device + +class vboy_cart_slot_device : public device_t, + public device_image_interface, + public device_slot_interface +{ +public: + // construction/destruction + vboy_cart_slot_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); + virtual ~vboy_cart_slot_device(); + + // device-level overrides + virtual void device_start(); + virtual void device_config_complete(); + + // image-level overrides + virtual bool call_load(); + virtual void call_unload(); + virtual bool call_softlist_load(software_list_device &swlist, const char *swname, const rom_entry *start_entry); + + int get_type() { return m_type; } + int get_cart_type(UINT8 *ROM, UINT32 len); + + void save_eeprom() { if (m_cart && m_cart->get_eeprom_size()) m_cart->save_eeprom(); } + + virtual iodevice_t image_type() const { return IO_CARTSLOT; } + virtual bool is_readable() const { return 1; } + virtual bool is_writeable() const { return 0; } + virtual bool is_creatable() const { return 0; } + virtual bool must_be_loaded() const { return 1; } + virtual bool is_reset_on_load() const { return 1; } + virtual const option_guide *create_option_guide() const { return NULL; } + virtual const char *image_interface() const { return "vboy_cart"; } + virtual const char *file_extensions() const { return "vb,bin"; } + + // slot interface overrides + virtual void get_default_card_software(std::string &result); + + // reading and writing + virtual DECLARE_READ32_MEMBER(read_cart); + virtual DECLARE_READ32_MEMBER(read_eeprom); + virtual DECLARE_WRITE32_MEMBER(write_eeprom); + +protected: + + int m_type; + device_vboy_cart_interface* m_cart; +}; + + + +// device type definition +extern const device_type VBOY_CART_SLOT; + + +/*************************************************************************** + DEVICE CONFIGURATION MACROS + ***************************************************************************/ + +#define VBOYSLOT_ROM_REGION_TAG ":cart:rom" + +#define MCFG_VBOY_CARTRIDGE_ADD(_tag,_slot_intf,_def_slot) \ + MCFG_DEVICE_ADD(_tag, VBOY_CART_SLOT, 0) \ + MCFG_DEVICE_SLOT_INTERFACE(_slot_intf, _def_slot, false) +#endif -- cgit v1.2.3-70-g09d2