// license:BSD-3-Clause // copyright-holders:Curt Coder /********************************************************************** Commodore D9060/D9090 Hard Disk Drive emulation **********************************************************************/ #ifndef MAME_BUS_IEEE488_D9060_H #define MAME_BUS_IEEE488_D9060_H #pragma once #include "ieee488.h" #include "cpu/m6502/m6502.h" #include "machine/6522via.h" #include "machine/mos6530n.h" #include "bus/scsi/scsi.h" //************************************************************************** // TYPE DEFINITIONS //************************************************************************** // ======================> d9060_device_base class d9060_device_base : public device_t, public device_ieee488_interface { protected: enum { TYPE_9060, TYPE_9090 }; // construction/destruction d9060_device_base(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock, uint32_t variant); // device-level overrides virtual void device_start() override; virtual void device_reset() override; // optional information overrides virtual const tiny_rom_entry *device_rom_region() const override; virtual void device_add_mconfig(machine_config &config) override; virtual ioport_constructor device_input_ports() const override; // device_ieee488_interface overrides void ieee488_atn(int state) override; void ieee488_ifc(int state) override; private: inline void update_ieee_signals(); 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_WRITE8_MEMBER( via_pb_w ); DECLARE_WRITE_LINE_MEMBER( ack_w ); DECLARE_WRITE_LINE_MEMBER( enable_w ); DECLARE_WRITE8_MEMBER( scsi_data_w ); 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; output_finder<3> m_led; // 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_t m_data; int m_variant; void d9060_hdc_mem(address_map &map); void d9060_main_mem(address_map &map); }; // ======================> d9060_device class d9060_device : public d9060_device_base { public: // construction/destruction d9060_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); }; // ======================> d9090_device class d9090_device : public d9060_device_base { public: // construction/destruction d9090_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); }; // device type definition DECLARE_DEVICE_TYPE(D9060, d9060_device) DECLARE_DEVICE_TYPE(D9090, d9090_device) #endif // MAME_BUS_IEEE488_D9060_H