// license:BSD-3-Clause // copyright-holders:Ernesto Corvi #pragma once #ifndef __8950INTF_H__ #define __8950INTF_H__ #include "emu.h" #define MCFG_Y8950_IRQ_HANDLER(_devcb) \ devcb = &y8950_device::set_irq_handler(*device, DEVCB_##_devcb); #define MCFG_Y8950_KEYBOARD_READ_HANDLER(_devcb) \ devcb = &y8950_device::set_keyboard_read_handler(*device, DEVCB_##_devcb); #define MCFG_Y8950_KEYBOARD_WRITE_HANDLER(_devcb) \ devcb = &y8950_device::set_keyboard_write_handler(*device, DEVCB_##_devcb); #define MCFG_Y8950_IO_READ_HANDLER(_devcb) \ devcb = &y8950_device::set_io_read_handler(*device, DEVCB_##_devcb); #define MCFG_Y8950_IO_WRITE_HANDLER(_devcb) \ devcb = &y8950_device::set_io_write_handler(*device, DEVCB_##_devcb); class y8950_device : public device_t, public device_sound_interface { public: y8950_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); // static configuration helpers template static devcb_base &set_irq_handler(device_t &device, _Object object) { return downcast(device).m_irq_handler.set_callback(object); } template static devcb_base &set_keyboard_read_handler(device_t &device, _Object object) { return downcast(device).m_keyboard_read_handler.set_callback(object); } template static devcb_base &set_keyboard_write_handler(device_t &device, _Object object) { return downcast(device).m_keyboard_write_handler.set_callback(object); } template static devcb_base &set_io_read_handler(device_t &device, _Object object) { return downcast(device).m_io_read_handler.set_callback(object); } template static devcb_base &set_io_write_handler(device_t &device, _Object object) { return downcast(device).m_io_write_handler.set_callback(object); } DECLARE_READ8_MEMBER( read ); DECLARE_WRITE8_MEMBER( write ); DECLARE_READ8_MEMBER( status_port_r ); DECLARE_READ8_MEMBER( read_port_r ); DECLARE_WRITE8_MEMBER( control_port_w ); DECLARE_WRITE8_MEMBER( write_port_w ); void _IRQHandler(int irq); void _timer_handler(int c, const attotime &period); void _y8950_update_request(); unsigned char _Y8950PortHandler_r(); void _Y8950PortHandler_w(unsigned char data); unsigned char _Y8950KeyboardHandler_r(); void _Y8950KeyboardHandler_w(unsigned char data); protected: // device-level overrides virtual void device_config_complete() override; virtual void device_start() override; virtual void device_stop() override; virtual void device_reset() 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: // 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; required_memory_region m_region; }; extern const device_type Y8950; #endif /* __8950INTF_H__ */