diff options
-rw-r--r-- | src/devices/sound/multipcm.cpp | 4 | ||||
-rw-r--r-- | src/emu/xtal.cpp | 1 | ||||
-rw-r--r-- | src/mame/audio/segam1audio.cpp | 8 | ||||
-rw-r--r-- | src/mame/drivers/ymmu5.cpp | 4 |
4 files changed, 9 insertions, 8 deletions
diff --git a/src/devices/sound/multipcm.cpp b/src/devices/sound/multipcm.cpp index 3e974703372..f614f9f4ba8 100644 --- a/src/devices/sound/multipcm.cpp +++ b/src/devices/sound/multipcm.cpp @@ -481,7 +481,7 @@ multipcm_device::multipcm_device(const machine_config &mconfig, const char *tag, void multipcm_device::device_start() { - const float clock_divider = 180.0f; + const float clock_divider = 224.0f; m_rate = (float)clock() / clock_divider; m_stream = stream_alloc(0, 2, m_rate); @@ -622,7 +622,7 @@ void multipcm_device::device_start() void multipcm_device::device_clock_changed() { - const float clock_divider = 180.0f; + const float clock_divider = 224.0f; m_rate = (float)clock() / clock_divider; m_stream->set_sample_rate(m_rate); diff --git a/src/emu/xtal.cpp b/src/emu/xtal.cpp index baf3f01ce73..afaa452544c 100644 --- a/src/emu/xtal.cpp +++ b/src/emu/xtal.cpp @@ -154,6 +154,7 @@ const double XTAL::known_xtals[] = { 8'960'000, /* 8.96_MHz_XTAL Casio CZ-101 (divided by 2 for Music LSI) */ 9'000'000, /* 9_MHz_XTAL Homedata PCBs */ 9'216'000, /* 9.216_MHz_XTAL Univac UTS 20 */ + 9'400'000, /* 9.4_MHz_XTAL Yamaha MU-5 and TG-100 */ 9'600'000, /* 9.6_MHz_XTAL WD37C65 second clock (for 300 KB/sec rate) */ 9'732'000, /* 9.732_MHz_XTAL CTA Invader */ 9'828'000, /* 9.828_MHz_XTAL Universal PCBs */ diff --git a/src/mame/audio/segam1audio.cpp b/src/mame/audio/segam1audio.cpp index cce5ce2a3ae..3b5d844ce0b 100644 --- a/src/mame/audio/segam1audio.cpp +++ b/src/mame/audio/segam1audio.cpp @@ -58,21 +58,21 @@ void segam1audio_device::device_add_mconfig(machine_config &config) SPEAKER(config, "lspeaker").front_left(); SPEAKER(config, "rspeaker").front_right(); - YM3438(config, m_ym, 8000000); + YM3438(config, m_ym, 8_MHz_XTAL); m_ym->add_route(0, "lspeaker", 0.60); m_ym->add_route(1, "rspeaker", 0.60); - MULTIPCM(config, m_multipcm_1, 8000000); + MULTIPCM(config, m_multipcm_1, 10_MHz_XTAL); m_multipcm_1->set_addrmap(0, &segam1audio_device::mpcm1_map); m_multipcm_1->add_route(0, "lspeaker", 1.0); m_multipcm_1->add_route(1, "rspeaker", 1.0); - MULTIPCM(config, m_multipcm_2, 8000000); + MULTIPCM(config, m_multipcm_2, 10_MHz_XTAL); m_multipcm_2->set_addrmap(0, &segam1audio_device::mpcm2_map); m_multipcm_2->add_route(0, "lspeaker", 1.0); m_multipcm_2->add_route(1, "rspeaker", 1.0); - I8251(config, m_uart, 8000000); // T82C51, clock unknown + I8251(config, m_uart, 8_MHz_XTAL); // T82C51, clock unknown m_uart->rxrdy_handler().set_inputline(m_audiocpu, M68K_IRQ_2); m_uart->txd_handler().set(FUNC(segam1audio_device::output_txd)); diff --git a/src/mame/drivers/ymmu5.cpp b/src/mame/drivers/ymmu5.cpp index 8414929f496..94265c2d08b 100644 --- a/src/mame/drivers/ymmu5.cpp +++ b/src/mame/drivers/ymmu5.cpp @@ -218,14 +218,14 @@ INPUT_PORTS_END void mu5_state::mu5(machine_config &config) { /* basic machine hardware */ - H83002(config, m_maincpu, 10_MHz_XTAL); + H83002(config, m_maincpu, 10_MHz_XTAL); // clock verified by schematics m_maincpu->set_addrmap(AS_PROGRAM, &mu5_state::mu5_map); m_maincpu->set_addrmap(AS_IO, &mu5_state::mu5_io_map); SPEAKER(config, "lspeaker").front_left(); SPEAKER(config, "rspeaker").front_right(); - MULTIPCM(config, m_ymw258, 7500000); + MULTIPCM(config, m_ymw258, 9.4_MHz_XTAL); // clock verified by schematics m_ymw258->set_addrmap(0, &mu5_state::ymw258_map); m_ymw258->add_route(0, "lspeaker", 1.0); m_ymw258->add_route(1, "rspeaker", 1.0); |