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// license:BSD-3-Clause
// copyright-holders: F. Ulivi
/*********************************************************************
hp9845_optrom.h
Optional ROMs for HP9845 systems
*********************************************************************/
#ifndef MAME_MACHINE_HP9845_OPTROM_H
#define MAME_MACHINE_HP9845_OPTROM_H
#pragma once
#include "softlist_dev.h"
class hp9845_optrom_device : public device_t,
public device_image_interface
{
public:
// construction/destruction
hp9845_optrom_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
virtual ~hp9845_optrom_device();
protected:
// 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(); }
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 "hp9845b_rom"; }
virtual const char *file_extensions() const noexcept override { return "bin"; }
offs_t m_base_addr;
offs_t m_end_addr;
};
// device type definition
DECLARE_DEVICE_TYPE(HP9845_OPTROM, hp9845_optrom_device)
#endif // MAME_MACHINE_HP9845_OPTROM_H
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