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Diffstat (limited to 'src/devices/bus/ekara/slot.h')
-rw-r--r-- | src/devices/bus/ekara/slot.h | 120 |
1 files changed, 120 insertions, 0 deletions
diff --git a/src/devices/bus/ekara/slot.h b/src/devices/bus/ekara/slot.h new file mode 100644 index 00000000000..5f871aa1dfc --- /dev/null +++ b/src/devices/bus/ekara/slot.h @@ -0,0 +1,120 @@ +// license:BSD-3-Clause +// copyright-holders:David Haywood +#ifndef MAME_BUS_EKARA_SLOT_H +#define MAME_BUS_EKARA_SLOT_H + +#pragma once + +#include "softlist_dev.h" + +/*************************************************************************** + TYPE DEFINITIONS + ***************************************************************************/ + +/* PCB */ +enum +{ + EKARA_PLAIN = 0, + EKARA_I2C_BASE, + EKARA_I2C_24LC04, + EKARA_I2C_24LC02, +}; + +// ======================> device_ekara_cart_interface + +class device_ekara_cart_interface : public device_slot_card_interface +{ +public: + // construction/destruction + virtual ~device_ekara_cart_interface(); + + // reading and writing + virtual DECLARE_READ8_MEMBER(read_cart) { return 0xff; } + virtual DECLARE_WRITE8_MEMBER(write_cart) { } + + virtual DECLARE_READ8_MEMBER(read_extra) { return 0xff; } + virtual DECLARE_WRITE8_MEMBER(write_extra) { } + + void rom_alloc(uint32_t size, const char *tag); + uint8_t* get_rom_base() { return m_rom; } + uint32_t get_rom_size() { return m_rom_size; } + +protected: + device_ekara_cart_interface(const machine_config &mconfig, device_t &device); + + // internal state + uint8_t *m_rom; + uint32_t m_rom_size; +}; + +// ======================> ekara_cart_slot_device + +class ekara_cart_slot_device : public device_t, + public device_image_interface, + public device_slot_interface +{ +public: + // construction/destruction + ekara_cart_slot_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); + + template <typename T> + ekara_cart_slot_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock, T &&opts, const char *dflt) + : ekara_cart_slot_device(mconfig, tag, owner, clock) + { + option_reset(); + opts(*this); + set_default_option(dflt); + set_fixed(false); + } + + virtual ~ekara_cart_slot_device(); + + // 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(); } + + int get_type() { return m_type; } + static int get_cart_type(const uint8_t *ROM, uint32_t len); + + 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 "ekara_cart"; } + virtual const char *file_extensions() const override { return "bin,u1"; } + + // slot interface overrides + virtual std::string get_default_card_software(get_default_card_software_hook &hook) const override; + + // reading and writing + virtual DECLARE_READ8_MEMBER(read_cart); + virtual DECLARE_WRITE8_MEMBER(write_cart); + + virtual DECLARE_READ8_MEMBER(read_extra); + virtual DECLARE_WRITE8_MEMBER(write_extra); + + bool has_cart() { return m_cart ? true : false; } + +protected: + // device-level overrides + virtual void device_start() override; + + int m_type; + device_ekara_cart_interface* m_cart; +}; + +// device type definition +DECLARE_DEVICE_TYPE(EKARA_CART_SLOT, ekara_cart_slot_device) + +/*************************************************************************** + DEVICE CONFIGURATION MACROS + ***************************************************************************/ + +#define EKARASLOT_ROM_REGION_TAG ":cart:rom" + +void ekara_cart(device_slot_interface &device); + +#endif // MAME_BUS_EKARA_SLOT_H |