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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(); }
DECLARE_READ8_MEMBER( io_r );
DECLARE_WRITE8_MEMBER( io_w );
DECLARE_WRITE_LINE_MEMBER( dack3_w );
uint8_t dack_r();
void dack_w(uint8_t data);
DECLARE_READ8_MEMBER( read );
DECLARE_WRITE8_MEMBER( write );
DECLARE_WRITE_LINE_MEMBER( ireq_w );
DECLARE_WRITE_LINE_MEMBER( io_w );
DECLARE_WRITE_LINE_MEMBER( cd_w );
DECLARE_WRITE_LINE_MEMBER( clct_w );
DECLARE_WRITE_LINE_MEMBER( mode_w );
DECLARE_READ_LINE_MEMBER( busy_r );
DECLARE_READ_LINE_MEMBER( 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
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