// license:BSD-3-Clause // copyright-holders:Fabio Priuli #ifndef MAME_BUS_GENERIC_ROM_H #define MAME_BUS_GENERIC_ROM_H #pragma once #include "slot.h" // ======================> generic_rom_device class generic_rom_device : public device_t, public device_generic_cart_interface { protected: // construction/destruction generic_rom_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock); // device-level overrides virtual void device_start() override { } }; // ======================> generic_rom_plain_device class generic_rom_plain_device : public generic_rom_device { public: // construction/destruction generic_rom_plain_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); // reading and writing virtual uint8_t read_rom(offs_t offset) override; virtual uint16_t read16_rom(offs_t offset, uint16_t mem_mask) override; virtual uint32_t read32_rom(offs_t offset, uint32_t mem_mask) override; protected: generic_rom_plain_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock); }; // ======================> generic_romram_plain_device class generic_romram_plain_device : public generic_rom_plain_device { public: // construction/destruction generic_romram_plain_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); // reading and writing virtual uint8_t read_ram(offs_t offset) override; virtual void write_ram(offs_t offset, uint8_t data) override; }; // ======================> generic_rom_linear_device class generic_rom_linear_device : public generic_rom_device { public: // construction/destruction generic_rom_linear_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); // reading and writing virtual uint8_t read_rom(offs_t offset) override; virtual uint16_t read16_rom(offs_t offset, uint16_t mem_mask) override; virtual uint32_t read32_rom(offs_t offset, uint32_t mem_mask) override; }; // device type definition DECLARE_DEVICE_TYPE(GENERIC_ROM_PLAIN, generic_rom_plain_device) DECLARE_DEVICE_TYPE(GENERIC_ROM_LINEAR, generic_rom_linear_device) DECLARE_DEVICE_TYPE(GENERIC_ROMRAM_PLAIN, generic_romram_plain_device) #endif // MAME_BUS_GENERIC_ROM_H