// license:BSD-3-Clause // copyright-holders: F. Ulivi /********************************************************************* hp9825_optrom.h Optional ROMs for HP9825 systems *********************************************************************/ #ifndef MAME_MACHINE_HP9825_OPTROM_H #define MAME_MACHINE_HP9825_OPTROM_H #pragma once #include "machine/bankdev.h" #include "softlist_dev.h" class hp9825_optrom_device : public device_t, public device_image_interface { public: // construction/destruction hp9825_optrom_device(machine_config const &mconfig, char const *tag, device_t *owner); hp9825_optrom_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); virtual ~hp9825_optrom_device(); void set_rom_limit(offs_t rom_limit) { m_rom_limit = rom_limit; } void install_rw_handlers(address_space *space_r , address_space *space_w); protected: // device-level overrides virtual void device_add_mconfig(machine_config &config) override; 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(); } virtual iodevice_t image_type() const noexcept override { return IO_ROM; } virtual bool is_readable() const noexcept override { return true; } virtual bool is_writeable() const noexcept override { return false; } virtual bool is_creatable() const noexcept override { return false; } virtual bool must_be_loaded() const noexcept override { return false; } virtual bool is_reset_on_load() const noexcept override { return true; } virtual const char *image_interface() const noexcept override { return "hp9825_rom"; } virtual const char *file_extensions() const noexcept override { return "bin"; } offs_t m_rom_limit; unsigned m_loaded_regions; address_space *m_space_r; required_device m_bank; }; // device type definition DECLARE_DEVICE_TYPE(HP9825_OPTROM, hp9825_optrom_device) #endif /* MAME_MACHINE_HP9825_OPTROM_H */