text: // license:BSD-3-Clause
  // copyright-holders:Curt Coder
  /**********************************************************************
  
      Currah Speech 64 cartridge emulation
  
  **********************************************************************/
  
  #ifndef MAME_BUS_C64_CURRAH_SPEECH_H
  #define MAME_BUS_C64_CURRAH_SPEECH_H
  
  #pragma once
  
  
  #include "exp.h"
  #include "sound/sp0256.h"
  
  
  
  //**************************************************************************
  //  TYPE DEFINITIONS
  //**************************************************************************
  
  // ======================> c64_currah_speech_cartridge_device
  
  class c64_currah_speech_cartridge_device : public device_t,
  											public device_c64_expansion_card_interface
  {
  public:
  	// construction/destruction
  	c64_currah_speech_cartridge_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
  
  protected:
  	// device-level overrides
  	virtual void device_start() override;
  	virtual void device_reset() override;
  
  	// optional information overrides
  	virtual const tiny_rom_entry *device_rom_region() const override;
  	virtual void device_add_mconfig(machine_config &config) override;
  
  	// device_c64_expansion_card_interface overrides
  	virtual uint8_t c64_cd_r(address_space &space, offs_t offset, uint8_t data, int sphi2, int ba, int roml, int romh, int io1, int io2) override;
  	virtual void c64_cd_w(address_space &space, offs_t offset, uint8_t data, int sphi2, int ba, int roml, int romh, int io1, int io2) override;
  
  private:
  	inline void set_osc1(int voice, int intonation);
  
  	required_device<sp0256_device> m_nsp;
  };
  
  
  // device type definition
  DECLARE_DEVICE_TYPE(C64_CURRAH_SPEECH, c64_currah_speech_cartridge_device)
  
  
  #endif // MAME_BUS_C64_CURRAH_SPEECH_H
  