// license:BSD-3-Clause // copyright-holders:Nigel Barnes /*************************************************************************** Multitech Sound Generation Board Piano : ADDR C200 GO ***************************************************************************/ #include "emu.h" #include "sgb.h" #include "sound/ay8910.h" #include "speaker.h" namespace { //------------------------------------------------- // rom_region - device-specific ROM region //------------------------------------------------- ROM_START( mpf_sgb ) ROM_REGION(0x1000, "rom", 0) ROM_LOAD("sgb-mpf.bin", 0x0000, 0x1000, CRC(2d51d964) SHA1(13f3c7243d691b66ad5f0dcbbc16488c8905a394)) ROM_END //------------------------------------------------- // mpf_sgb_device - constructor //------------------------------------------------- class mpf_sgb_device : public device_t, public device_mpf1_exp_interface { public: mpf_sgb_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) : device_t(mconfig, MPF_SGB, tag, owner, clock) , device_mpf1_exp_interface(mconfig, *this) , m_rom(*this, "rom") , m_ay(*this, "ay8910") { } protected: virtual void device_add_mconfig(machine_config &config) override { SPEAKER(config, "mono").front_center(); AY8910(config, m_ay, DERIVED_CLOCK(1, 1)).add_route(ALL_OUTPUTS, "mono", 1.0); } virtual const tiny_rom_entry *device_rom_region() const override { return ROM_NAME( mpf_sgb ); } virtual void device_start() override { } virtual void device_reset() override { program_space().install_rom(0xc000, 0xcfff, m_rom->base()); io_space().install_read_handler(0xc1, 0xc1, emu::rw_delegate(*m_ay, FUNC(ay8910_device::data_r))); io_space().install_write_handler(0xc2, 0xc3, emu::rw_delegate(*m_ay, FUNC(ay8910_device::data_address_w))); } private: required_memory_region m_rom; required_device m_ay; }; } // anonymous namespace DEFINE_DEVICE_TYPE_PRIVATE(MPF_SGB, device_mpf1_exp_interface, mpf_sgb_device, "mpf1_sgb", "Multitech SGB-MPF (Sound Generation Board)")