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

    Western Digital WD11C00-17 PC/XT Host Interface Logic Device

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

#ifndef MAME_MACHINE_WD11C00_17_H
#define MAME_MACHINE_WD11C00_17_H

#pragma once


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

// ======================> wd11c00_17_device

class wd11c00_17_device :   public device_t
{
public:
	// construction/destruction
	wd11c00_17_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);

	auto out_irq5_callback() { return m_out_irq5_cb.bind(); }
	auto out_drq3_callback() { return m_out_drq3_cb.bind(); }
	auto out_mr_callback() { return m_out_mr_cb.bind(); }
	auto out_busy_callback() { return m_out_busy_cb.bind(); }
	auto out_req_callback() { return m_out_req_cb.bind(); }
	auto out_ra3_callback() { return m_out_ra3_cb.bind(); }
	auto in_rd322_callback() { return m_in_rd322_cb.bind(); }
	auto in_ramcs_callback() { return m_in_ramcs_cb.bind(); }
	auto out_ramwr_callback() { return m_out_ramwr_cb.bind(); }
	auto in_cs1010_callback() { return m_in_cs1010_cb.bind(); }
	auto out_cs1010_callback() { return m_out_cs1010_cb.bind(); }

	uint8_t io_r(offs_t offset);
	void io_w(offs_t offset, uint8_t data);

	void dack3_w(int state);
	uint8_t dack_r();
	void dack_w(uint8_t data);

	uint8_t read(offs_t offset);
	void write(offs_t offset, uint8_t data);

	void ireq_w(int state);
	void io_w(int state);
	void cd_w(int state);
	void clct_w(int state);
	void mode_w(int state);

	int busy_r();
	int ecc_not_0_r();

protected:
	// device-level overrides
	virtual void device_start() override;
	virtual void device_reset() override;

private:
	inline void check_interrupt();
	inline void increment_address();
	inline uint8_t read_data();
	inline void write_data(uint8_t data);
	inline void software_reset();
	inline void select();

	devcb_write_line    m_out_irq5_cb;
	devcb_write_line    m_out_drq3_cb;
	devcb_write_line    m_out_mr_cb;
	devcb_write_line    m_out_busy_cb;
	devcb_write_line    m_out_req_cb;
	devcb_write_line    m_out_ra3_cb;
	devcb_read8         m_in_rd322_cb;
	devcb_read8         m_in_ramcs_cb;
	devcb_write8        m_out_ramwr_cb;
	devcb_read8         m_in_cs1010_cb;
	devcb_write8        m_out_cs1010_cb;

	uint8_t m_status;
	uint8_t m_mask;

	offs_t m_ra;

	int m_mode;
	int m_ecc_not_0;

	int m_irq5;
	int m_drq3;
	int m_busy;
	int m_req;
	int m_ra3;
};


// device type definition
DECLARE_DEVICE_TYPE(WD11C00_17, wd11c00_17_device)

#endif // MAME_MACHINE_WD11C00_17_H