// license:BSD-3-Clause // copyright-holders:Ernesto Corvi #ifndef MAME_SOUND_8950INTF_H #define MAME_SOUND_8950INTF_H #pragma once class y8950_device : public device_t, public device_sound_interface, public device_rom_interface { public: y8950_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); // configuration helpers auto irq() { return m_irq_handler.bind(); } auto keyboard_read() { return m_keyboard_read_handler.bind(); } auto keyboard_write() { return m_keyboard_write_handler.bind(); } auto io_read() { return m_io_read_handler.bind(); } auto io_write() { return m_io_write_handler.bind(); } u8 read(offs_t offset); void write(offs_t offset, u8 data); u8 status_port_r(); u8 read_port_r(); void control_port_w(u8 data); void write_port_w(u8 data); protected: // device-level overrides virtual void device_start() override; virtual void device_clock_changed() override; virtual void device_stop() override; virtual void device_reset() override; virtual void rom_bank_updated() override; virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr) override; // sound stream update overrides virtual void sound_stream_update(sound_stream &stream, stream_sample_t **inputs, stream_sample_t **outputs, int samples) override; private: void irq_handler(int irq); void timer_handler(int c, const attotime &period); void update_request() { m_stream->update(); } unsigned char port_handler_r() { return m_io_read_handler(0); } void port_handler_w(unsigned char data) { m_io_write_handler(offs_t(0), data); } unsigned char keyboard_handler_r() { return m_keyboard_read_handler(0); } void keyboard_handler_w(unsigned char data) { m_keyboard_write_handler(offs_t(0), data); } static uint8_t static_read_byte(device_t *param, offs_t offset) { return downcast(param)->read_byte(offset); } static void static_write_byte(device_t *param, offs_t offset, uint8_t data) { return downcast(param)->space().write_byte(offset, data); } static void static_irq_handler(device_t *param, int irq) { downcast(param)->irq_handler(irq); } static void static_timer_handler(device_t *param, int c, const attotime &period) { downcast(param)->timer_handler(c, period); } static void static_update_request(device_t *param, int interval) { downcast(param)->update_request(); } static unsigned char static_port_handler_r(device_t *param) { return downcast(param)->port_handler_r(); } static void static_port_handler_w(device_t *param, unsigned char data) { downcast(param)->port_handler_w(data); } static unsigned char static_keyboard_handler_r(device_t *param) { return downcast(param)->keyboard_handler_r(); } static void static_keyboard_handler_w(device_t *param, unsigned char data) { downcast(param)->keyboard_handler_w(data); } // internal state sound_stream * m_stream; emu_timer * m_timer[2]; void * m_chip; devcb_write_line m_irq_handler; devcb_read8 m_keyboard_read_handler; devcb_write8 m_keyboard_write_handler; devcb_read8 m_io_read_handler; devcb_write8 m_io_write_handler; }; DECLARE_DEVICE_TYPE(Y8950, y8950_device) #endif // MAME_SOUND_8950INTF_H