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// license:BSD-3-Clause
// copyright-holders:Barry Rodewald
/*
* cpc_rom.h
* Amstrad CPC mountable ROM image device
*
*/
#ifndef MAME_BUS_CPC_CPC_ROM_H
#define MAME_BUS_CPC_CPC_ROM_H
#pragma once
#include "cpcexp.h"
/*** ROM image device ***/
// ======================> cpc_rom_image_device
class cpc_rom_image_device : public device_t, public device_image_interface
{
public:
// construction/destruction
cpc_rom_image_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
virtual ~cpc_rom_image_device();
// image-level overrides
virtual image_init_result call_load() override;
virtual void call_unload() override;
virtual iodevice_t image_type() const override { return IO_ROM; }
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 "cpc_rom"; }
virtual const char *file_extensions() const override { return "rom,bin"; }
uint8_t* base() { return m_base.get(); }
protected:
// device-level overrides
virtual void device_start() override;
private:
std::unique_ptr<uint8_t[]> m_base;
};
// device type definition
DECLARE_DEVICE_TYPE(CPC_ROMSLOT, cpc_rom_image_device)
#define MCFG_CPC_ROMSLOT_ADD(_tag) \
MCFG_DEVICE_ADD(_tag, CPC_ROMSLOT, 0)
/*** ROM box device ***/
class cpc_rom_device : public device_t,
public device_cpc_expansion_card_interface
{
public:
// construction/destruction
cpc_rom_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
uint8_t* base(uint8_t slot) { if(slot >=1 && slot <= 8) return m_rom[slot]->base(); else return nullptr; }
protected:
// device-level overrides
virtual void device_start() override;
virtual void device_reset() override;
// optional information overrides
virtual void device_add_mconfig(machine_config &config) override;
private:
required_device_array<cpc_rom_image_device, 8> m_rom;
};
// device type definition
DECLARE_DEVICE_TYPE(CPC_ROM, cpc_rom_device)
#endif // MAME_BUS_CPC_CPC_ROM_H
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