// license:BSD-3-Clause // copyright-holders:Ernesto Corvi #pragma once #ifndef __2203INTF_H__ #define __2203INTF_H__ #include "emu.h" #include "ay8910.h" void ym2203_update_request(void *param); #define MCFG_YM2203_IRQ_HANDLER(_devcb) \ devcb = &ym2203_device::set_irq_handler(*device, DEVCB_##_devcb); class ym2203_device : public ay8910_device { public: ym2203_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); } 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,int count,int clock); void _ym2203_update_request(); protected: // device-level overrides virtual void device_start() override; virtual void device_post_load() 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; void stream_generate(sound_stream &stream, stream_sample_t **inputs, stream_sample_t **outputs, int samples); private: // internal state sound_stream * m_stream; emu_timer * m_timer[2]; void * m_chip; devcb_write_line m_irq_handler; }; extern const device_type YM2203; #endif /* __2203INTF_H__ */