diff options
Diffstat (limited to 'src/mame/drivers/cmi.cpp')
-rw-r--r-- | src/mame/drivers/cmi.cpp | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/src/mame/drivers/cmi.cpp b/src/mame/drivers/cmi.cpp index dc0d8a940a4..2f83ed95871 100644 --- a/src/mame/drivers/cmi.cpp +++ b/src/mame/drivers/cmi.cpp @@ -2048,6 +2048,14 @@ void cmi_state::machine_reset() m_m6809_bs_hack_cnt[0] = 0; m_m6809_bs_hack_cnt[1] = 0; + //m_midi_ptm[0]->set_g1(1); // /G1 has unknown source, "TIMER 1A /GATE" per schematic + m_midi_ptm[0]->set_g2(0); // /G2 and /G3 wired to ground per schematic + m_midi_ptm[0]->set_g3(0); + + m_midi_ptm[1]->set_g1(0); // /G1, /G2, and /G3 wired to ground per schematic + m_midi_ptm[1]->set_g2(0); + m_midi_ptm[1]->set_g3(0); + memset(m_map_sel, 0, 16); for (int i = 0; i < 4; i++) @@ -2229,17 +2237,11 @@ void cmi_state::cmi2x(machine_config &config) PTM6840(config, m_midi_ptm[0], 0); m_midi_ptm[0]->set_external_clocks(0, 384000, 0); // C1 is 0, C2 is 384kHz per schematic block diagram, C3 is CLICK SYNC IN - //m_midi_ptm[0]->set_g1(1); // /G1 has unknown source, "TIMER 1A /GATE" per schematic - m_midi_ptm[0]->set_g2(0); // /G2 and /G3 wired to ground per schematic - m_midi_ptm[0]->set_g3(0); //m_midi_ptm[0]->o1_callback().set(FUNC(cmi_state::midi_ptm0_c1_w)); // TIMER 1A O/P per schematic //m_midi_ptm[0]->o2_callback().set(FUNC(cmi_state::midi_ptm0_c2_w)); // CLK 2 per schematic m_midi_ptm[0]->o3_callback().set(FUNC(cmi_state::midi_ptm0_c3_w)); PTM6840(config, m_midi_ptm[1], 0); // entirely clocked by PTM 0 - m_midi_ptm[1]->set_g1(0); // /G1, /G2, and /G3 wired to ground per schematic - m_midi_ptm[1]->set_g2(0); - m_midi_ptm[1]->set_g3(0); //m_midi_ptm[1]->o1_callback().set(FUNC(cmi_state::midi_sync_out_1_w)); // SYNC OUT 1 per schematic //m_midi_ptm[1]->o2_callback().set(FUNC(cmi_state::midi_sync_out_2_w)); // SYNC OUT 2 per schematic //m_midi_ptm[1]->o3_callback().set(FUNC(cmi_state::midi_sync_out_3_w)); // SYNC OUT 3 per schematic |