nokia/mikromik: Serial fixes. [Curt Coder]

nokia/mikromikko2: Serial fixes. [Curt Coder]
luxor/abc99: Serial fixes. [Curt Coder]

Author: curt-coder

src/devices/bus/abckb/abc99.cpp

@@ -517,7 +517,9 @@ void abc99_device::device_reset()
 	m_maincpu->set_input_line(MCS48_INPUT_EA, ASSERT_LINE);
 	m_mousecpu->set_input_line(MCS48_INPUT_EA, ASSERT_LINE);
 
+	m_slot->keydown_w(1);
 	m_slot->write_rx(1);
+	m_slot->trxc_w(1);
 	m_rxtxc = 0;
 }
 

src/mame/nokia/mikromik.cpp

@@ -562,6 +562,8 @@ void mm1_state::machine_start()
 	save_item(NAME(m_sasi_data));
 
 	m_fdc_view.select(0);
+
+	m_mpsc->synca_w(1);
 }
 
 
@@ -633,8 +635,10 @@ void mm1_state::common(machine_config &config)
 	m_mpsc->out_txdrqa_callback().set(FUNC(mm1_state::drq1_w));
 	m_mpsc->out_txda_callback().set(m_rs232a, FUNC(rs232_port_device::write_txd));
 	m_mpsc->out_rtsa_callback().set(m_rs232a, FUNC(rs232_port_device::write_rts));
+	m_mpsc->out_dtra_callback().set(m_rs232a, FUNC(rs232_port_device::write_dtr));
 	m_mpsc->out_txdb_callback().set(m_rs232b, FUNC(rs232_port_device::write_txd));
 	m_mpsc->out_rtsb_callback().set(m_rs232b, FUNC(rs232_port_device::write_rts));
+	m_mpsc->out_dtrb_callback().set(m_rs232b, FUNC(rs232_port_device::write_dtr));
 
 	RS232_PORT(config, m_rs232a, default_rs232_devices, nullptr);
 	m_rs232a->rxd_handler().set(m_mpsc, FUNC(upd7201_device::rxa_w));

src/mame/nokia/mikromik.h

@@ -173,8 +173,8 @@ class mm1_state : public driver_device
 	void itxc_w(int state) { if (!m_intc) { m_mpsc->txca_w(state); } }
 	void irxc_w(int state) { if (!m_intc) { m_mpsc->rxca_w(state); } }
 	void auxc_w(int state) { m_mpsc->txcb_w(state); m_mpsc->rxcb_w(state); }
-	void drq1_w(int state) { if (!state) m_dmac->dreq1_w(1); }
-	void drq2_w(int state) { if (!state) m_dmac->dreq2_w(1); }
+	void drq1_w(int state) { if (state) m_dmac->dreq1_w(1); }
+	void drq2_w(int state) { if (state) m_dmac->dreq2_w(1); }
 
 	void update_tc();
 

src/mame/nokia/mikromikko2.cpp

@@ -315,8 +315,8 @@ void mm2_state::mm2(machine_config &config)
 
 	I8274(config, m_mpsc, XTAL(16'000'000)/4);
 	m_mpsc->out_int_callback().set(m_pic, FUNC(pic8259_device::ir1_w));
-	m_mpsc->out_txdrqa_callback().set(m_maincpu, FUNC(i80186_cpu_device::drq0_w));
-	m_mpsc->out_rxdrqa_callback().set(m_maincpu, FUNC(i80186_cpu_device::drq1_w));
+	m_mpsc->out_txdrqa_callback().set(m_maincpu, FUNC(i80186_cpu_device::drq1_w));
+	m_mpsc->out_rxdrqa_callback().set(m_maincpu, FUNC(i80186_cpu_device::drq0_w));
 	m_mpsc->out_txda_callback().set(FUNC(mm2_state::mpsc_txda_w));
 	m_mpsc->out_rtsa_callback().set(FUNC(mm2_state::mpsc_rtsa_w));
 	m_mpsc->out_txdb_callback().set(FUNC(mm2_state::mpsc_txdb_w));