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// license:BSD-3-Clause
// copyright-holders:Curt Coder
/**********************************************************************

    Commodore Magic Voice cartridge emulation

**********************************************************************/

#ifndef MAME_BUS_C64_MAGIC_VOICE_H
#define MAME_BUS_C64_MAGIC_VOICE_H

#pragma once

#include "exp.h"
#include "machine/40105.h"
#include "machine/6525tpi.h"
#include "sound/t6721a.h"



//**************************************************************************
//  TYPE DEFINITIONS
//**************************************************************************

// ======================> c64_magic_voice_cartridge_device

class c64_magic_voice_cartridge_device : public device_t,
											public device_c64_expansion_card_interface
{
public:
	// construction/destruction
	c64_magic_voice_cartridge_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);

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;

	// device_c64_expansion_card_interface overrides
	virtual uint8_t c64_cd_r(offs_t offset, uint8_t data, int sphi2, int ba, int roml, int romh, int io1, int io2) override;
	virtual void c64_cd_w(offs_t offset, uint8_t data, int sphi2, int ba, int roml, int romh, int io1, int io2) override;
	virtual int c64_game_r(offs_t offset, int sphi2, int ba, int rw) override;

private:
	offs_t get_offset(offs_t offset);

	DECLARE_WRITE_LINE_MEMBER( tpi_irq_w );
	DECLARE_READ8_MEMBER( tpi_pa_r );
	DECLARE_WRITE8_MEMBER( tpi_pa_w );
	DECLARE_READ8_MEMBER( tpi_pb_r );
	DECLARE_WRITE8_MEMBER( tpi_pb_w );
	DECLARE_WRITE_LINE_MEMBER( tpi_ca_w );
	DECLARE_WRITE_LINE_MEMBER( tpi_cb_w );

	DECLARE_WRITE_LINE_MEMBER( phi2_w );
	DECLARE_WRITE_LINE_MEMBER( dtrd_w );
	DECLARE_WRITE_LINE_MEMBER( apd_w );

	required_device<t6721a_device> m_vslsi;
	required_device<tpi6525_device> m_tpi;
	required_device<cmos_40105_device> m_fifo;
	required_device<c64_expansion_slot_device> m_exp;

	uint16_t m_ca;
	uint8_t m_tpi_pb;
	int m_tpi_pc6;
	uint8_t m_pd;
};


// device type definition
DECLARE_DEVICE_TYPE(C64_MAGIC_VOICE, c64_magic_voice_cartridge_device)


#endif // MAME_BUS_C64_MAGIC_VOICE_H