// license:BSD-3-Clause // copyright-holders:Curt Coder /********************************************************************** Commodore D9060/D9090 Hard Disk Drive emulation **********************************************************************/ #pragma once #ifndef __D9060__ #define __D9060__ #include "emu.h" #include "ieee488.h" #include "cpu/m6502/m6502.h" #include "machine/6522via.h" #include "machine/mos6530n.h" #include "bus/scsi/scsi.h" //************************************************************************** // TYPE DEFINITIONS //************************************************************************** // ======================> d9060_base_t class d9060_base_t : public device_t, public device_ieee488_interface { public: enum { TYPE_9060, TYPE_9090 }; // construction/destruction d9060_base_t(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, UINT32 clock, UINT32 variant, const char *shortname, const char *source); // optional information overrides virtual const rom_entry *device_rom_region() const; virtual machine_config_constructor device_mconfig_additions() const; virtual ioport_constructor device_input_ports() const; // not really public DECLARE_READ8_MEMBER( dio_r ); DECLARE_WRITE8_MEMBER( dio_w ); DECLARE_READ8_MEMBER( riot1_pa_r ); DECLARE_WRITE8_MEMBER( riot1_pa_w ); DECLARE_READ8_MEMBER( riot1_pb_r ); DECLARE_WRITE8_MEMBER( riot1_pb_w ); DECLARE_READ8_MEMBER( via_pb_r ); DECLARE_WRITE8_MEMBER( via_pb_w ); DECLARE_WRITE_LINE_MEMBER( ack_w ); DECLARE_WRITE_LINE_MEMBER( enable_w ); DECLARE_WRITE8_MEMBER( scsi_data_w ); protected: // device-level overrides virtual void device_start(); virtual void device_reset(); // device_ieee488_interface overrides void ieee488_atn(int state); void ieee488_ifc(int state); private: inline void update_ieee_signals(); required_device m_maincpu; required_device m_hdccpu; required_device m_riot0; required_device m_riot1; required_device m_via; required_device m_sasibus; required_device m_sasi_data_out; required_ioport m_address; // IEEE-488 bus int m_rfdo; // not ready for data output int m_daco; // not data accepted output int m_atna; // attention acknowledge int m_ifc; // SASI bus int m_enable; UINT8 m_data; int m_variant; }; // ======================> d9060_t class d9060_t : public d9060_base_t { public: // construction/destruction d9060_t(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); }; // ======================> d9090_t class d9090_t : public d9060_base_t { public: // construction/destruction d9090_t(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); }; // device type definition extern const device_type D9060; extern const device_type D9090; #endif