text: // license:BSD-3-Clause
  // copyright-holders:AJR
  /****************************************************************************
  
      Skeleton driver for Kawai ACR-20 Digital Accompaniment Center.
  
  ****************************************************************************/
  
  #include "emu.h"
  #include "cpu/tlcs900/tmp96c141.h"
  
  namespace {
  
  class acr20_state : public driver_device
  {
  public:
  	acr20_state(const machine_config &mconfig, device_type type, const char *tag)
  		: driver_device(mconfig, type, tag)
  		, m_maincpu(*this, "maincpu")
  	{
  	}
  
  	void acr20(machine_config &config);
  
  private:
  	void mem_map(address_map &map);
  
  	required_device<tmp96c141_device> m_maincpu;
  };
  
  
  void acr20_state::mem_map(address_map &map)
  {
  	map(0x000000, 0x01ffff).rom().region("firmware", 0);
  	map(0x400000, 0x4017ff).ram();
  	map(0x402000, 0x402067).ram();
  	map(0x800000, 0x800000).lr8(NAME([] { return 0x80; }));
  	map(0x880000, 0x880043).nopw();
  	map(0x89fe00, 0x89ffff).ram();
  }
  
  
  static INPUT_PORTS_START(acr20)
  INPUT_PORTS_END
  
  void acr20_state::acr20(machine_config &config)
  {
  	TMP96C141(config, m_maincpu, 10'000'000); // clock unknown
  	m_maincpu->set_addrmap(AS_PROGRAM, &acr20_state::mem_map);
  }
  
  ROM_START(acr20)
  	ROM_REGION16_LE(0x20000, "firmware", 0)
  	ROM_LOAD("kp148a.bin", 0x00000, 0x20000, CRC(a73ca17b) SHA1(e0baf24a33bead76af08b1653e3034f4b5b1c888)) // TMS27C210A
  	// ROM also contains strings for DRP-10 Digital Recorder Playback
  ROM_END
  
  } // anonymous namespace
  
  SYST(199?, acr20, 0, 0, acr20, acr20, acr20_state, empty_init, "Kawai Musical Instruments Manufacturing", "ACR-20 Digital Accompaniment Center", MACHINE_IS_SKELETON)
  