diff options
Diffstat (limited to 'src/mame/audio/cmi01a.cpp')
-rw-r--r-- | src/mame/audio/cmi01a.cpp | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/src/mame/audio/cmi01a.cpp b/src/mame/audio/cmi01a.cpp index 2f733ed72f7..5d734c6f1e7 100644 --- a/src/mame/audio/cmi01a.cpp +++ b/src/mame/audio/cmi01a.cpp @@ -48,8 +48,7 @@ void cmi01a_device::device_add_mconfig(machine_config &config) m_pia[1]->irqa_handler().set("cmi01a_irq", FUNC(input_merger_device::in_w<2>)); m_pia[1]->irqb_handler().set("cmi01a_irq", FUNC(input_merger_device::in_w<3>)); - PTM6840(config, m_ptm, 2000000); // ptm_cmi01a_config - m_ptm->set_external_clocks(250000, 500000, 500000); + PTM6840(config, m_ptm, DERIVED_CLOCK(1, 1)); // ptm_cmi01a_config m_ptm->o1_callback().set(FUNC(cmi01a_device::ptm_o1)); m_ptm->irq_callback().set("cmi01a_irq", FUNC(input_merger_device::in_w<4>)); @@ -93,6 +92,8 @@ void cmi01a_device::device_start() m_zx_timer->adjust(attotime::never); m_stream = stream_alloc(0, 1, 44100); + + m_ptm->set_external_clocks(clock() / 8, clock() / 4, clock() / 4); } void cmi01a_device::device_reset() @@ -118,7 +119,7 @@ void cmi01a_device::device_reset() WRITE_LINE_MEMBER( cmi01a_device::pia_0_ca2_w ) { - // upate_stream() + // update_stream() if (!state) { m_segment_cnt = 0x4000 | ((m_pia[0]->a_output() & 0x7f) << 7); @@ -350,7 +351,7 @@ void cmi01a_device::write(offs_t offset, uint8_t data) int a1 = (m_ptm->get_output_state(0) && BIT(offset, 3)) || (!BIT(offset, 3) && BIT(offset, 2)); int a2 = BIT(offset, 1); - //printf("CH%d PTM W: [%x] = %02x\n", m_channel, (a2 << 2) | (a1 << 1) | a0, data); + //osd_printf_debug("CH%d PTM W: [%x] = %02x\n", m_channel, (a2 << 2) | (a1 << 1) | a0, data); m_ptm->write((a2 << 2) | (a1 << 1) | a0, data); break; } @@ -408,7 +409,7 @@ uint8_t cmi01a_device::read(offs_t offset) data = m_ptm->read((a2 << 2) | (a1 << 1) | a0); - //printf("CH%d PTM R: [%x] %02x\n", m_channel, (a2 << 2) | (a1 << 1) | a0, data); + //osd_printf_debug("CH%d PTM R: [%x] %02x\n", m_channel, (a2 << 2) | (a1 << 1) | a0, data); break; } |