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// license:BSD-3-Clause
// copyright-holders: F. Ulivi
/*********************************************************************
hp_optrom.h
Optional ROMs for HP9845 systems
*********************************************************************/
#pragma once
#ifndef _HP_OPTROM_H_
#define _HP_OPTROM_H_
#include "softlist_dev.h"
class hp_optrom_cart_device : public device_t,
public device_slot_card_interface
{
public:
// construction/destruction
hp_optrom_cart_device(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, uint32_t clock, const char *shortname, const char *source);
hp_optrom_cart_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
// device-level overrides
virtual void device_start() override {}
};
class hp_optrom_slot_device : public device_t,
public device_image_interface,
public device_slot_interface
{
public:
// construction/destruction
hp_optrom_slot_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
virtual ~hp_optrom_slot_device();
// device-level overrides
virtual void device_start() override;
virtual void device_config_complete() 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 override { return IO_CARTSLOT; }
virtual bool is_readable() const override { return true; }
virtual bool is_writeable() const override { return false; }
virtual bool is_creatable() const override { return false; }
virtual bool must_be_loaded() const override { return false; }
virtual bool is_reset_on_load() const override { return true; }
virtual const char *image_interface() const override { return "hp9845b_rom"; }
virtual const char *file_extensions() const override { return "bin"; }
// slot interface overrides
virtual std::string get_default_card_software() override;
protected:
hp_optrom_cart_device *m_cart;
std::vector<uint8_t> m_content;
offs_t m_base_addr;
offs_t m_end_addr;
};
// device type definition
extern const device_type HP_OPTROM_SLOT;
extern const device_type HP_OPTROM_CART;
SLOT_INTERFACE_EXTERN(hp_optrom_slot_device);
#endif /* _HP_OPTROM_H_ */
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