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// license:BSD-3-Clause
// copyright-holders:Curt Coder
#pragma once

#ifndef __TMC2000E__
#define __TMC2000E__


#include "emu.h"
#include "cpu/cosmac/cosmac.h"
#include "imagedev/cassette.h"
#include "machine/ram.h"
#include "machine/rescap.h"
#include "sound/cdp1864.h"

#define SCREEN_TAG      "screen"
#define CDP1802_TAG     "cdp1802"
#define CDP1864_TAG     "cdp1864"

#define TMC2000E_COLORRAM_SIZE 0x100 // ???

class tmc2000e_state : public driver_device
{
public:
	tmc2000e_state(const machine_config &mconfig, device_type type, const char *tag)
		: driver_device(mconfig, type, tag),
			m_maincpu(*this, CDP1802_TAG),
			m_cti(*this, CDP1864_TAG),
			m_cassette(*this, "cassette"),
			m_colorram(*this, "colorram"),
			m_y0(*this, "Y0"),
			m_y1(*this, "Y1"),
			m_y2(*this, "Y2"),
			m_y3(*this, "Y3"),
			m_y4(*this, "Y4"),
			m_y5(*this, "Y5"),
			m_y6(*this, "Y6"),
			m_y7(*this, "Y7"),
			m_run(*this, "RUN")
	{ }

	required_device<cpu_device> m_maincpu;
	required_device<cdp1864_device> m_cti;
	required_device<cassette_image_device> m_cassette;
	required_shared_ptr<UINT8> m_colorram;
	required_ioport m_y0;
	required_ioport m_y1;
	required_ioport m_y2;
	required_ioport m_y3;
	required_ioport m_y4;
	required_ioport m_y5;
	required_ioport m_y6;
	required_ioport m_y7;
	required_ioport m_run;

	virtual void machine_start() override;
	virtual void machine_reset() override;

	DECLARE_READ8_MEMBER( vismac_r );
	DECLARE_WRITE8_MEMBER( vismac_w );
	DECLARE_READ8_MEMBER( floppy_r );
	DECLARE_WRITE8_MEMBER( floppy_w );
	DECLARE_READ8_MEMBER( ascii_keyboard_r );
	DECLARE_READ8_MEMBER( io_r );
	DECLARE_WRITE8_MEMBER( io_w );
	DECLARE_WRITE8_MEMBER( io_select_w );
	DECLARE_WRITE8_MEMBER( keyboard_latch_w );
	DECLARE_READ_LINE_MEMBER( rdata_r );
	DECLARE_READ_LINE_MEMBER( bdata_r );
	DECLARE_READ_LINE_MEMBER( gdata_r );
	DECLARE_READ_LINE_MEMBER( clear_r );
	DECLARE_READ_LINE_MEMBER( ef2_r );
	DECLARE_READ_LINE_MEMBER( ef3_r );
	DECLARE_WRITE_LINE_MEMBER( q_w );
	DECLARE_WRITE8_MEMBER( dma_w );

	/* video state */
	int m_cdp1864_efx;      /* EFx */
	UINT8 m_color;

	/* keyboard state */
	ioport_port* m_key_row[8];
	int m_keylatch;         /* key latch */
	int m_reset;            /* reset activated */
};

#endif