// license:BSD-3-Clause // copyright-holders:Curt Coder /********************************************************************** Commodore 2040/3040/4040 Disk Drive emulation **********************************************************************/ #ifndef MAME_BUS_IEEE488_C2040_H #define MAME_BUS_IEEE488_C2040_H #pragma once #include "ieee488.h" #include "c2040fdc.h" #include "cpu/m6502/m6502.h" #include "cpu/m6502/m6504.h" #include "machine/6522via.h" #include "machine/mos6530n.h" //************************************************************************** // TYPE DEFINITIONS //************************************************************************** // ======================> c2040_device class c2040_device : public device_t, public device_ieee488_interface { public: // construction/destruction c2040_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); 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 ); void c2040_fdc_mem(address_map &map); void c2040_main_mem(address_map &map); protected: c2040_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock); // 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 virtual void ieee488_atn(int state) override; virtual void ieee488_ifc(int state) override; enum { LED_POWER = 0, LED_ACT0, LED_ACT1, LED_ERR }; inline void update_ieee_signals(); DECLARE_FLOPPY_FORMATS( floppy_formats ); required_device m_maincpu; required_device m_fdccpu; required_device m_riot0; required_device m_riot1; required_device m_miot; required_device m_via; required_device m_floppy0; optional_device m_floppy1; required_device m_fdc; required_memory_region m_gcr; required_ioport m_address; output_finder<4> m_leds; // 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; }; // ======================> c3040_device class c3040_device : public c2040_device { public: // construction/destruction c3040_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); protected: // optional information overrides virtual const tiny_rom_entry *device_rom_region() const override; virtual void device_add_mconfig(machine_config &config) override; private: DECLARE_FLOPPY_FORMATS( floppy_formats ); }; // ======================> c4040_device class c4040_device : public c2040_device { public: // construction/destruction c4040_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); protected: // optional information overrides virtual const tiny_rom_entry *device_rom_region() const override; virtual void device_add_mconfig(machine_config &config) override; private: DECLARE_FLOPPY_FORMATS( floppy_formats ); }; // device type definition DECLARE_DEVICE_TYPE(C2040, c2040_device) DECLARE_DEVICE_TYPE(C3040, c3040_device) DECLARE_DEVICE_TYPE(C4040, c4040_device) #endif // MAME_BUS_IEEE488_C2040_H