// license:BSD-3-Clause // copyright-holders:Curt Coder /********************************************************************** Western Digital WD11C00-17 PC/XT Host Interface Logic Device Copyright MESS Team. Visit http://mamedev.org for licensing and usage restrictions. **********************************************************************/ #pragma once #ifndef __WD11C00_17__ #define __WD11C00_17__ #include "emu.h" //************************************************************************** // INTERFACE CONFIGURATION MACROS //************************************************************************** #define MCFG_WD11C00_17_ADD(_tag, _clock, _config) \ MCFG_DEVICE_ADD(_tag, WD11C00_17, _clock) \ MCFG_DEVICE_CONFIG(_config) #define WD11C00_17_INTERFACE(_name) \ const wd11c00_17_interface (_name) = //************************************************************************** // TYPE DEFINITIONS //************************************************************************** // ======================> wd11c00_17_interface struct wd11c00_17_interface { 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; }; // ======================> wd11c00_17_device class wd11c00_17_device : public device_t, public wd11c00_17_interface { public: // construction/destruction wd11c00_17_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); DECLARE_READ8_MEMBER( io_r ); DECLARE_WRITE8_MEMBER( io_w ); UINT8 dack_r(); void dack_w(UINT8 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(); virtual void device_reset(); virtual void device_config_complete(); private: inline void check_interrupt(); inline void increment_address(); inline UINT8 read_data(); inline void write_data(UINT8 data); inline void software_reset(); inline void select(); devcb_resolved_write_line m_out_irq5_func; devcb_resolved_write_line m_out_drq3_func; devcb_resolved_write_line m_out_mr_func; devcb_resolved_write_line m_out_busy_func; devcb_resolved_write_line m_out_req_func; devcb_resolved_write_line m_out_ra3_func; devcb_resolved_read8 m_in_rd322_func; devcb_resolved_read8 m_in_ramcs_func; devcb_resolved_write8 m_out_ramwr_func; devcb_resolved_read8 m_in_cs1010_func; devcb_resolved_write8 m_out_cs1010_func; UINT8 m_status; UINT8 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