// license:BSD-3-Clause // copyright-holders:Curt Coder /********************************************************************** Commodore 8280 Dual 8" Disk Drive emulation **********************************************************************/ #ifndef MAME_BUS_IEEE488_C8280_H #define MAME_BUS_IEEE488_C8280_H #pragma once #include "ieee488.h" #include "cpu/m6502/m6502.h" #include "formats/c8280_dsk.h" #include "imagedev/floppy.h" #include "machine/mos6530n.h" #include "machine/wd_fdc.h" //************************************************************************** // TYPE DEFINITIONS //************************************************************************** // ======================> c8280_device class c8280_device : public device_t, public device_ieee488_interface { public: // construction/destruction c8280_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); protected: // 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(); uint8_t dio_r(); void dio_w(uint8_t data); uint8_t riot1_pa_r(); void riot1_pa_w(uint8_t data); uint8_t riot1_pb_r(); void riot1_pb_w(uint8_t data); uint8_t fk5_r(); void fk5_w(uint8_t data); void c8280_fdc_mem(address_map &map); void c8280_main_mem(address_map &map); static void floppy_formats(format_registration &fr); required_device m_maincpu; required_device m_fdccpu; required_device m_riot0; required_device m_riot1; required_device m_fdc; required_device m_floppy0; required_device m_floppy1; required_ioport m_address; floppy_image_device *m_floppy; 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; uint8_t m_fk5; }; // device type definition DECLARE_DEVICE_TYPE(C8280, c8280_device) #endif // MAME_BUS_IEEE488_C8280_H