// license:BSD-3-Clause
// copyright-holders:Curt Coder
/**********************************************************************
Western Digital WD11C00-17 PC/XT Host Interface Logic Device
**********************************************************************/
#pragma once
#ifndef __WD11C00_17__
#define __WD11C00_17__
//**************************************************************************
// INTERFACE CONFIGURATION MACROS
//**************************************************************************
#define MCFG_WD11C00_17_OUT_IRQ5_CB(_devcb) \
devcb = &wd11c00_17_device::set_out_irq5_callback(*device, DEVCB_##_devcb);
#define MCFG_WD11C00_17_OUT_DRQ3_CB(_devcb) \
devcb = &wd11c00_17_device::set_out_drq3_callback(*device, DEVCB_##_devcb);
#define MCFG_WD11C00_17_OUT_MR_CB(_devcb) \
devcb = &wd11c00_17_device::set_out_mr_callback(*device, DEVCB_##_devcb);
#define MCFG_WD11C00_17_OUT_BUSY_CB(_devcb) \
devcb = &wd11c00_17_device::set_out_busy_callback(*device, DEVCB_##_devcb);
#define MCFG_WD11C00_17_OUT_REQ_CB(_devcb) \
devcb = &wd11c00_17_device::set_out_req_callback(*device, DEVCB_##_devcb);
#define MCFG_WD11C00_17_OUT_RA3_CB(_devcb) \
devcb = &wd11c00_17_device::set_out_ra3_callback(*device, DEVCB_##_devcb);
#define MCFG_WD11C00_17_IN_RD322_CB(_devcb) \
devcb = &wd11c00_17_device::set_in_rd322_callback(*device, DEVCB_##_devcb);
#define MCFG_WD11C00_17_IN_RAMCS_CB(_devcb) \
devcb = &wd11c00_17_device::set_in_ramcs_callback(*device, DEVCB_##_devcb);
#define MCFG_WD11C00_17_OUT_RAMWR_CB(_devcb) \
devcb = &wd11c00_17_device::set_out_ramwr_callback(*device, DEVCB_##_devcb);
#define MCFG_WD11C00_17_IN_CS1010_CB(_devcb) \
devcb = &wd11c00_17_device::set_in_cs1010_callback(*device, DEVCB_##_devcb);
#define MCFG_WD11C00_17_OUT_CS1010_CB(_devcb) \
devcb = &wd11c00_17_device::set_out_cs1010_callback(*device, DEVCB_##_devcb);
//**************************************************************************
// 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);
template<class _Object> static devcb_base &set_out_irq5_callback(device_t &device, _Object object) { return downcast<wd11c00_17_device &>(device).m_out_irq5_cb.set_callback(object); }
template<class _Object> static devcb_base &set_out_drq3_callback(device_t &device, _Object object) { return downcast<wd11c00_17_device &>(device).m_out_drq3_cb.set_callback(object); }
template<class _Object> static devcb_base &set_out_mr_callback(device_t &device, _Object object) { return downcast<wd11c00_17_device &>(device).m_out_mr_cb.set_callback(object); }
template<class _Object> static devcb_base &set_out_busy_callback(device_t &device, _Object object) { return downcast<wd11c00_17_device &>(device).m_out_busy_cb.set_callback(object); }
template<class _Object> static devcb_base &set_out_req_callback(device_t &device, _Object object) { return downcast<wd11c00_17_device &>(device).m_out_req_cb.set_callback(object); }
template<class _Object> static devcb_base &set_out_ra3_callback(device_t &device, _Object object) { return downcast<wd11c00_17_device &>(device).m_out_ra3_cb.set_callback(object); }
template<class _Object> static devcb_base &set_in_rd322_callback(device_t &device, _Object object) { return downcast<wd11c00_17_device &>(device).m_in_rd322_cb.set_callback(object); }
template<class _Object> static devcb_base &set_in_ramcs_callback(device_t &device, _Object object) { return downcast<wd11c00_17_device &>(device).m_in_ramcs_cb.set_callback(object); }
template<class _Object> static devcb_base &set_out_ramwr_callback(device_t &device, _Object object) { return downcast<wd11c00_17_device &>(device).m_out_ramwr_cb.set_callback(object); }
template<class _Object> static devcb_base &set_in_cs1010_callback(device_t &device, _Object object) { return downcast<wd11c00_17_device &>(device).m_in_cs1010_cb.set_callback(object); }
template<class _Object> static devcb_base &set_out_cs1010_callback(device_t &device, _Object object) { return downcast<wd11c00_17_device &>(device).m_out_cs1010_cb.set_callback(object); }
DECLARE_READ8_MEMBER( io_r );
DECLARE_WRITE8_MEMBER( io_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
extern const device_type WD11C00_17;
#endif