// license:BSD-3-Clause // copyright-holders:Curt Coder /********************************************************************** Commodore 8050/8250/SFD-1001 Disk Drive emulation **********************************************************************/ #ifndef MAME_BUS_IEE488_C8050_H #define MAME_BUS_IEE488_C8050_H #pragma once #include "ieee488.h" #include "c8050fdc.h" #include "cpu/m6502/m6502.h" #include "cpu/m6502/m6504.h" #include "machine/6522via.h" #include "machine/mos6530n.h" //************************************************************************** // TYPE DEFINITIONS //************************************************************************** // ======================> c8050_device class c8050_device : public device_t, public device_ieee488_interface { public: // construction/destruction c8050_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 c8050_fdc_mem(address_map &map); void c8050_main_mem(address_map &map); void c8250lp_fdc_mem(address_map &map); void sfd1001_fdc_mem(address_map &map); protected: c8050_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; inline void update_ieee_signals(); 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_ioport m_address; output_finder<4> 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; private: DECLARE_FLOPPY_FORMATS( floppy_formats ); }; // ======================> c8250_device class c8250_device : public c8050_device { public: // construction/destruction c8250_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); protected: // optional information overrides virtual void device_add_mconfig(machine_config &config) override; private: DECLARE_FLOPPY_FORMATS( floppy_formats ); }; // ======================> c8250lp_device class c8250lp_device : public c8050_device { public: // construction/destruction c8250lp_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 ); }; // ======================> sfd1001_device class sfd1001_device : public c8050_device { public: // construction/destruction sfd1001_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(C8050, c8050_device) DECLARE_DEVICE_TYPE(C8250, c8250_device) DECLARE_DEVICE_TYPE(C8250LP, c8250lp_device) DECLARE_DEVICE_TYPE(SFD1001, sfd1001_device) #endif // MAME_BUS_IEE488_C8050_H