// license:BSD-3-Clause // copyright-holders: Olivier Galibert // Yamaha DB50XG // PCB name: XQ791 // It's in large part a mu50 on a board, same swp00, same wave ROMs. // CPU and program are different though, and obviously there's no // LCD. There are also no analog inputs, which were half-assed in the // mu50 anyway. #include "emu.h" #include "db50xg.h" #include "cpu/h8/h83002.h" #include "sound/swp00.h" namespace { class db50xg_device : public device_t, public device_waveblaster_interface { public: db50xg_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock = 0); virtual ~db50xg_device(); virtual void midi_rx(int state) override; protected: virtual void device_start() override ATTR_COLD; virtual void device_reset() override ATTR_COLD; const tiny_rom_entry *device_rom_region() const override; virtual void device_add_mconfig(machine_config &config) override ATTR_COLD; private: required_device m_cpu; required_device m_swp00; void map(address_map &map) ATTR_COLD; }; db50xg_device::db50xg_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) : device_t(mconfig, DB50XG, tag, owner, clock), device_waveblaster_interface(mconfig, *this), m_cpu(*this, "cpu"), m_swp00(*this, "swp00") { } db50xg_device::~db50xg_device() { } void db50xg_device::midi_rx(int state) { m_cpu->sci_rx_w<0>(state); } void db50xg_device::map(address_map &map) { map(0x000000, 0x07ffff).rom().region("cpu", 0); map(0x400000, 0x4007ff).m(m_swp00, FUNC(swp00_device::map)); map(0x600000, 0x607fff).ram(); } void db50xg_device::device_add_mconfig(machine_config &config) { H83002(config, m_cpu, 12_MHz_XTAL); m_cpu->set_addrmap(AS_PROGRAM, &db50xg_device::map); m_cpu->write_sci_tx<0>().set([this] (int state) { m_connector->do_midi_tx(state); }); SWP00(config, m_swp00); m_swp00->add_route(0, DEVICE_SELF_OWNER, 1.0, 0); m_swp00->add_route(1, DEVICE_SELF_OWNER, 1.0, 1); } ROM_START( db50xg ) ROM_REGION( 0x80000, "cpu", 0 ) ROM_LOAD16_WORD_SWAP( "xr253a0.ic7", 0x000000, 0x080000, CRC(6c2a2c49) SHA1(61a80e066c7ff40dcba01b796d9faff3b9952a5b) ) ROM_REGION( 0x400000, "swp00", 0 ) ROM_LOAD( "xq730b0.ic9", 0x000000, 0x200000, CRC(d4adbc7e) SHA1(32f653c7644d060f5a6d63a435ae3a7412386d92) ) ROM_LOAD( "xq731b0.ic10", 0x200000, 0x200000, CRC(7b68f475) SHA1(adf68689b4842ec5bc9b0ea1bb99cf66d2dec4de) ) ROM_END void db50xg_device::device_start() { } void db50xg_device::device_reset() { // Active-low, wired to gnd m_cpu->set_input_line(0, ASSERT_LINE); } const tiny_rom_entry *db50xg_device::device_rom_region() const { return ROM_NAME(db50xg); } } // anonymous namespace DEFINE_DEVICE_TYPE_PRIVATE(DB50XG, device_waveblaster_interface, db50xg_device, "db50xg", "Yamaha DB50XG")