diff options
Diffstat (limited to 'src/devices/bus/vsmile/vsmile_slot.h')
-rw-r--r-- | src/devices/bus/vsmile/vsmile_slot.h | 128 |
1 files changed, 128 insertions, 0 deletions
diff --git a/src/devices/bus/vsmile/vsmile_slot.h b/src/devices/bus/vsmile/vsmile_slot.h new file mode 100644 index 00000000000..7d800677214 --- /dev/null +++ b/src/devices/bus/vsmile/vsmile_slot.h @@ -0,0 +1,128 @@ +// license:BSD-3-Clause +// copyright-holders:Ryan Holtz +#ifndef MAME_BUS_VSMILE_VSMILE_SLOT_H +#define MAME_BUS_VSMILE_VSMILE_SLOT_H + +#pragma once + +#include "softlist_dev.h" + + +/*************************************************************************** + TYPE DEFINITIONS + ***************************************************************************/ + +#define VSMILE_SLOT_ROM_REGION_TAG ":cart:rom" + +enum +{ + VSMILE_STD = 0, + VSMILE_NVRAM +}; + +// ======================> device_vsmile_cart_interface + +class device_vsmile_cart_interface : public device_slot_card_interface +{ +public: + // construction/destruction + virtual ~device_vsmile_cart_interface(); + + // reading and writing + virtual DECLARE_READ16_MEMBER(bank0_r) { return 0; } + virtual DECLARE_READ16_MEMBER(bank1_r) { return 0; } + virtual DECLARE_READ16_MEMBER(bank2_r) { return 0; } + virtual DECLARE_READ16_MEMBER(bank3_r) { return 0; } + virtual DECLARE_WRITE16_MEMBER(bank0_w) { } + virtual DECLARE_WRITE16_MEMBER(bank1_w) { } + virtual DECLARE_WRITE16_MEMBER(bank2_w) { } + virtual DECLARE_WRITE16_MEMBER(bank3_w) { } + + // banking + virtual void set_cs2(bool cs2) = 0; + + void rom_alloc(uint32_t size, const char *tag); + void nvram_alloc(uint32_t size); + uint16_t* get_rom_base() { return m_rom; } + uint16_t* get_nvram_base() { return &m_nvram[0]; } + uint32_t get_rom_size() { return m_rom_size; } + uint32_t get_nvram_size() { return m_nvram.size() * sizeof(uint16_t); } + void set_rom_size(uint32_t val) { m_rom_size = val; } + + void save_nvram() { device().save_item(NAME(m_nvram)); } + +protected: + device_vsmile_cart_interface(const machine_config &mconfig, device_t &device); + + // internal state + uint16_t *m_rom; // this points to the cart rom region + uint32_t m_rom_size; // this is the actual game size, not the rom region size! + std::vector<uint16_t> m_nvram; +}; + + +// ======================> vsmile_cart_slot_device + +class vsmile_cart_slot_device : public device_t, + public device_image_interface, + public device_slot_interface +{ +public: + // construction/destruction + template <typename T> + vsmile_cart_slot_device(machine_config const &mconfig, char const *tag, device_t *owner, T &&opts, char const *dflt) + : vsmile_cart_slot_device(mconfig, tag, owner, (uint32_t)0) + { + option_reset(); + opts(*this); + set_default_option(dflt); + set_fixed(false); + } + vsmile_cart_slot_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); + virtual ~vsmile_cart_slot_device(); + + // device-level overrides + virtual void device_start() override; + + // image-level overrides + virtual image_init_result call_load() override; + virtual void call_unload() override; + virtual const software_list_loader &get_software_list_loader() const override { return rom_software_list_loader::instance(); } + + void save_nvram() { if (m_cart && m_cart->get_nvram_size()) m_cart->save_nvram(); } + uint32_t get_rom_size() { if (m_cart) return m_cart->get_rom_size(); return 0; } + + virtual iodevice_t image_type() const override { return IO_CARTSLOT; } + virtual bool is_readable() const override { return 1; } + virtual bool is_writeable() const override { return 0; } + virtual bool is_creatable() const override { return 0; } + virtual bool must_be_loaded() const override { return 0; } + virtual bool is_reset_on_load() const override { return 1; } + virtual const char *image_interface() const override { return "vsmile_cart"; } + virtual const char *file_extensions() const override { return "u1,u3,bin"; } + + // slot interface overrides + virtual std::string get_default_card_software(get_default_card_software_hook &hook) const override; + + // reading and writing + virtual DECLARE_READ16_MEMBER(bank0_r); + virtual DECLARE_READ16_MEMBER(bank1_r); + virtual DECLARE_READ16_MEMBER(bank2_r); + virtual DECLARE_READ16_MEMBER(bank3_r); + virtual DECLARE_WRITE16_MEMBER(bank0_w); + virtual DECLARE_WRITE16_MEMBER(bank1_w); + virtual DECLARE_WRITE16_MEMBER(bank2_w); + virtual DECLARE_WRITE16_MEMBER(bank3_w); + + // banking + void set_cs2(bool cs2); + +protected: + int m_type; + device_vsmile_cart_interface* m_cart; +}; + +// device type definition +DECLARE_DEVICE_TYPE(VSMILE_CART_SLOT, vsmile_cart_slot_device) + +#endif // MAME_BUS_VSMILE_VSMILE_SLOT_H |