// license:BSD-3-Clause // copyright-holders:Nathan Woods, Miodrag Milanovic /********************************************************************* cassette.h Interface to the cassette image abstraction code *********************************************************************/ #ifndef MAME_DEVICES_IMAGEDEV_CASSETTE_H #define MAME_DEVICES_IMAGEDEV_CASSETTE_H #include "formats/cassimg.h" enum cassette_state { // this part of the state is controlled by the UI CASSETTE_STOPPED = 0, CASSETTE_PLAY = 1, CASSETTE_RECORD = 2, // this part of the state is controlled by drivers CASSETTE_MOTOR_ENABLED = 0, CASSETTE_MOTOR_DISABLED = 4, CASSETTE_SPEAKER_ENABLED = 0, CASSETTE_SPEAKER_MUTED = 8, // masks CASSETTE_MASK_UISTATE = 3, CASSETTE_MASK_MOTOR = 4, CASSETTE_MASK_SPEAKER = 8, CASSETTE_MASK_DRVSTATE = 12 }; DECLARE_ENUM_BITWISE_OPERATORS(cassette_state) /*************************************************************************** TYPE DEFINITIONS ***************************************************************************/ // ======================> cassette_image_device class cassette_image_device : public device_t, public device_image_interface, public device_sound_interface { public: // construction/destruction cassette_image_device(const machine_config &mconfig, const char *tag, device_t *owner, const XTAL &clock = XTAL()); virtual ~cassette_image_device(); void set_formats(const cassette_image::Format* const *formats) { m_formats = formats; } void set_create_opts(const cassette_image::Options *create_opts) { m_create_opts = create_opts; } void set_default_state(cassette_state default_state) { m_default_state = default_state; } void set_interface(const char *interface) { m_interface = interface; } // image-level overrides virtual image_init_result call_load() override; virtual image_init_result call_create(int format_type, util::option_resolution *format_options) override; virtual void call_unload() override; virtual std::string call_display() override; virtual bool is_readable() const noexcept override { return true; } virtual bool is_writeable() const noexcept override { return true; } virtual bool is_creatable() const noexcept override { return true; } virtual bool is_reset_on_load() const noexcept override { return false; } virtual const char *image_interface() const noexcept override { return m_interface; } virtual const char *file_extensions() const noexcept override { return m_extension_list; } virtual const char *image_type_name() const noexcept override { return "cassette"; } virtual const char *image_brief_type_name() const noexcept override { return "cass"; } double input(); void output(double value); // specific implementation cassette_state get_state() { return m_state; } void set_state(cassette_state state) { change_state(state, cassette_state(~0)); } void change_state(cassette_state state, cassette_state mask); // state getters/setters bool is_stopped() { return (m_state & CASSETTE_MASK_UISTATE) == CASSETTE_STOPPED; } bool is_playing() { return (m_state & CASSETTE_MASK_UISTATE) == CASSETTE_PLAY; } bool is_recording() { return (m_state & CASSETTE_MASK_UISTATE) == CASSETTE_RECORD; } void set_motor(bool state) { change_state(state ? CASSETTE_MOTOR_ENABLED : CASSETTE_MOTOR_DISABLED, CASSETTE_MASK_MOTOR); } // aka remote control bool motor_on() { return (m_state & CASSETTE_MASK_MOTOR) == CASSETTE_MOTOR_ENABLED; } void set_speaker(bool state) { change_state(state ? CASSETTE_SPEAKER_ENABLED : CASSETTE_SPEAKER_MUTED, CASSETTE_MASK_SPEAKER); } bool speaker_on() { return (m_state & CASSETTE_MASK_SPEAKER) == CASSETTE_SPEAKER_ENABLED; } cassette_image *get_image() { return m_cassette.get(); } double get_position(); double get_length(); void set_speed(double speed); void set_channel(int channel); void go_forward(); void go_reverse(); void seek(double time, int origin); // sound stream update overrides virtual void sound_stream_update(sound_stream &stream, std::vector const &inputs, std::vector &outputs) override; device_sound_interface& set_stereo() { m_stereo = true; return *this; } protected: // device-level overrides virtual void device_config_complete() override; virtual void device_start() override; virtual const bool use_software_list_file_extension_for_filetype() const override { return true; } // device_image_interface implementation virtual const software_list_loader &get_software_list_loader() const override; void update(); private: cassette_image::ptr m_cassette; cassette_state m_state; double m_position; double m_position_time; int32_t m_value; int m_channel; double m_speed; // speed multiplier for tape speeds other than standard 1.875ips (used in adam driver) int m_direction; // direction select char m_extension_list[256]; const cassette_image::Format* const *m_formats; const cassette_image::Options *m_create_opts; cassette_state m_default_state; const char * m_interface; image_init_result internal_load(bool is_create); bool m_stereo; std::vector m_samples; }; // device type definition DECLARE_DEVICE_TYPE(CASSETTE, cassette_image_device) // device iterator typedef device_type_enumerator cassette_device_enumerator; #endif // MAME_DEVICES_IMAGEDEV_CASSETTE_H