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/**********************************************************************
Western Digital WD2010 Winchester Disk Controller
Copyright MESS Team.
Visit http://mamedev.org for licensing and usage restrictions.
**********************************************************************/
#pragma once
#ifndef __WD2010__
#define __WD2010__
#include "emu.h"
//**************************************************************************
// INTERFACE CONFIGURATION MACROS
//**************************************************************************
#define MCFG_WD2010_ADD(_tag, _clock, _config) \
MCFG_DEVICE_ADD(_tag, WD2010, _clock) \
MCFG_DEVICE_CONFIG(_config)
#define WD2010_INTERFACE(_name) \
const wd2010_interface (_name) =
//**************************************************************************
// TYPE DEFINITIONS
//**************************************************************************
// ======================> wd2010_interface
struct wd2010_interface
{
devcb_write_line m_out_intrq_cb;
devcb_write_line m_out_bdrq_cb;
devcb_write_line m_out_bcr_cb;
devcb_read8 m_in_bcs_cb;
devcb_write8 m_out_bcs_cb;
devcb_write_line m_out_dirin_cb;
devcb_write_line m_out_step_cb;
devcb_write_line m_out_rwc_cb;
devcb_read_line m_in_drdy_cb;
devcb_read_line m_in_index_cb;
devcb_read_line m_in_wf_cb;
devcb_read_line m_in_tk000_cb;
devcb_read_line m_in_sc_cb;
};
// ======================> wd2010_device
class wd2010_device : public device_t,
public wd2010_interface
{
public:
// construction/destruction
wd2010_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
DECLARE_READ8_MEMBER( read );
DECLARE_WRITE8_MEMBER( write );
protected:
// device-level overrides
virtual void device_start();
virtual void device_reset();
virtual void device_config_complete();
private:
void compute_correction(UINT8 data);
void set_parameter(UINT8 data);
void restore(UINT8 data);
void seek(UINT8 data);
void read_sector(UINT8 data);
void write_sector(UINT8 data);
void scan_id(UINT8 data);
void format(UINT8 data);
devcb_resolved_write_line m_out_intrq_func;
devcb_resolved_write_line m_out_bdrq_func;
devcb_resolved_write_line m_out_bcr_func;
devcb_resolved_read8 m_in_bcs_func;
devcb_resolved_write8 m_out_bcs_func;
devcb_resolved_write_line m_out_dirin_func;
devcb_resolved_write_line m_out_step_func;
devcb_resolved_write_line m_out_rwc_func;
devcb_resolved_read_line m_in_drdy_func;
devcb_resolved_read_line m_in_index_func;
devcb_resolved_read_line m_in_wf_func;
devcb_resolved_read_line m_in_tk000_func;
devcb_resolved_read_line m_in_sc_func;
UINT8 m_status;
UINT8 m_error;
UINT8 m_task_file[8];
};
// device type definition
extern const device_type WD2010;
#endif
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