// license:BSD-3-Clause // copyright-holders:Angelo Salese /************************************************************************************************** SNE Sound Orchestra Built on top of -26, with extra YM3812 as ADPCM engine https://j02.nobody.jp/jto98/n_desk_sound/sso.htm TODO: - Better PnP (has separate ADPCM control) - valis2 has no sound from the ADPCM channel (initializes the registers tho?) - add SNE Sound Orchestra VS (replaces OPL2 with Y8950) =================================================================================================== - Known SW with Sound Orchestra support albatr2 valis2 zan みゅあっぷ98/iv (V6.41A) ~ muap98/iv (VS only?) SNE Sound Musician / Great Musician / Little Musician / SOS1 / SOS2 (all undumped?) **************************************************************************************************/ #include "emu.h" #include "sound_orchestra.h" #include "speaker.h" DEFINE_DEVICE_TYPE(SOUND_ORCHESTRA, sound_orchestra_device, "sound_orchestra", "SNE Sound Orchestra sound card") sound_orchestra_device::sound_orchestra_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) : pc9801_26_device(mconfig, SOUND_ORCHESTRA, tag, owner, clock) , m_opl2(*this, "opl2") { } void sound_orchestra_device::device_add_mconfig(machine_config &config) { pc9801_26_device::device_add_mconfig(config); // YM2203C m_opn->reset_routes(); // pseudo-stereo config.device_remove("mono"); SPEAKER(config, "ssg_left").front_left(); SPEAKER(config, "fm_right").front_right(); // TODO: mixing unconfirmed m_opn->add_route(0, "fm_right", 0.25); m_opn->add_route(1, "fm_right", 0.25); m_opn->add_route(2, "fm_right", 0.25); m_opn->add_route(3, "fm_right", 0.50); YM3812(config, m_opl2, 15.9744_MHz_XTAL / 4); m_opl2->add_route(ALL_OUTPUTS, "ssg_left", 1.00); } ROM_START( sound_orchestra ) ROM_REGION( 0x4000, "bios", ROMREGION_ERASEFF ) // baddump: should require own BIOS to accomodate the ADPCM in BASIC ROM_LOAD16_BYTE( "26k_wyka01_00.bin", 0x0000, 0x2000, BAD_DUMP CRC(f071bf69) SHA1(f3cdef94e9fee116cf4a9b54881e77c6cd903815) ) ROM_LOAD16_BYTE( "26k_wyka02_00.bin", 0x0001, 0x2000, BAD_DUMP CRC(eaa01052) SHA1(5d47edae49aad591f139d5599fe04b61aefd5ecd) ) ROM_END const tiny_rom_entry *sound_orchestra_device::device_rom_region() const { return ROM_NAME( sound_orchestra ); } void sound_orchestra_device::io_map(address_map &map) { const u16 io_base = read_io_base(); map(0x0088 | io_base, 0x008b | io_base).rw(m_opn, FUNC(ym2203_device::read), FUNC(ym2203_device::write)).umask16(0x00ff); map(0x008c | io_base, 0x008f | io_base).rw(m_opl2, FUNC(ym3812_device::read), FUNC(ym3812_device::write)).umask16(0x00ff); }