// license:BSD-3-Clause // copyright-holders:Curt Coder /********************************************************************** Wang PC-PM001 Winchester Disk Controller emulation Copyright MESS Team. Visit http://mamedev.org for licensing and usage restrictions. **********************************************************************/ #pragma once #ifndef __WANGPC_WDC__ #define __WANGPC_WDC__ #include "emu.h" #include "wangpc.h" #include "cpu/z80/z80.h" #include "imagedev/harddriv.h" #include "machine/z80ctc.h" //************************************************************************** // TYPE DEFINITIONS //************************************************************************** // ======================> wangpc_wdc_device class wangpc_wdc_device : public device_t, public device_wangpcbus_card_interface { public: // construction/destruction wangpc_wdc_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); // optional information overrides virtual const rom_entry *device_rom_region() const; virtual machine_config_constructor device_mconfig_additions() const; // not really public DECLARE_READ8_MEMBER( port_r ); DECLARE_WRITE8_MEMBER( status_w ); DECLARE_READ8_MEMBER( ctc_ch0_r ); DECLARE_WRITE8_MEMBER( ctc_ch0_w ); DECLARE_READ8_MEMBER( ctc_ch1_r ); DECLARE_WRITE8_MEMBER( ctc_ch1_w ); DECLARE_READ8_MEMBER( ctc_ch2_r ); DECLARE_WRITE8_MEMBER( ctc_ch2_w ); DECLARE_READ8_MEMBER( ctc_ch3_r ); DECLARE_WRITE8_MEMBER( ctc_ch3_w ); protected: // device-level overrides virtual void device_start(); virtual void device_reset(); // device_wangpcbus_card_interface overrides virtual UINT16 wangpcbus_mrdc_r(address_space &space, offs_t offset, UINT16 mem_mask); virtual void wangpcbus_amwc_w(address_space &space, offs_t offset, UINT16 mem_mask, UINT16 data); virtual UINT16 wangpcbus_iorc_r(address_space &space, offs_t offset, UINT16 mem_mask); virtual void wangpcbus_aiowc_w(address_space &space, offs_t offset, UINT16 mem_mask, UINT16 data); virtual UINT8 wangpcbus_dack_r(address_space &space, int line); virtual void wangpcbus_dack_w(address_space &space, int line, UINT8 data); virtual bool wangpcbus_have_dack(int line); private: inline void set_irq(int state); required_device m_maincpu; required_device m_ctc; UINT8 m_status; UINT8 m_option; int m_irq; }; // device type definition extern const device_type WANGPC_WDC; #endif