text: // license:BSD-3-Clause
  // copyright-holders:Fabio Priuli
  #ifndef MAME_BUS_NES_CONY_H
  #define MAME_BUS_NES_CONY_H
  
  #pragma once
  
  #include "nxrom.h"
  
  
  // ======================> nes_cony_device
  
  class nes_cony_device : public nes_nrom_device
  {
  public:
  	// construction/destruction
  	nes_cony_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
  
  	virtual DECLARE_READ8_MEMBER(read_l) override;
  	virtual DECLARE_WRITE8_MEMBER(write_l) override;
  	virtual DECLARE_WRITE8_MEMBER(write_h) override;
  
  	virtual void pcb_reset() override;
  
  protected:
  	static constexpr device_timer_id TIMER_IRQ = 0;
  
  	nes_cony_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock);
  
  	// device-level overrides
  	virtual void device_start() override;
  	virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr) override;
  
  	virtual void set_prg();
  	virtual void set_chr();
  
  	uint16_t m_irq_count;
  	int m_irq_enable;
  
  	emu_timer *irq_timer;
  
  	uint8_t m_latch1, m_latch2;
  	uint8_t m_low_reg[4];
  	uint8_t m_reg[10];
  	uint8_t m_extra1;
  };
  
  
  // ======================> nes_yoko_device
  
  class nes_yoko_device : public nes_cony_device
  {
  public:
  	// construction/destruction
  	nes_yoko_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
  
  	virtual DECLARE_READ8_MEMBER(read_l) override;
  	virtual DECLARE_WRITE8_MEMBER(write_l) override;
  	virtual DECLARE_WRITE8_MEMBER(write_h) override;
  
  	virtual void pcb_reset() override;
  
  protected:
  	// device-level overrides
  	virtual void device_start() override;
  
  private:
  	virtual void set_prg() override;
  	virtual void set_chr() override;
  
  	uint8_t m_extra2;
  };
  
  
  // device type definition
  DECLARE_DEVICE_TYPE(NES_CONY, nes_cony_device)
  DECLARE_DEVICE_TYPE(NES_YOKO, nes_yoko_device)
  
  #endif // MAME_BUS_NES_CONY_H
  