From cd82c879a28b27fea0c66ca09528acd8c8b447c5 Mon Sep 17 00:00:00 2001
From: Wilbert Pol <wilbert@jdg.info>
Date: Thu, 12 Jun 2014 20:24:45 +0000
Subject: [PATCH] (MESS) fb01.c: Fixed communication between midi-in and 8251.
 (nw)

---
 src/emu/machine/i8251.c | 1 +
 src/mess/drivers/fb01.c | 9 +++++++++
 2 files changed, 10 insertions(+)

diff --git a/src/emu/machine/i8251.c b/src/emu/machine/i8251.c
index 5b882798c3d..9de1b958a82 100644
--- a/src/emu/machine/i8251.c
+++ b/src/emu/machine/i8251.c
@@ -417,6 +417,7 @@ WRITE8_MEMBER(i8251_device::control_w)
 				int data_bits_count = ((data>>2) & 0x03)+5;
 
 				set_data_frame(1, data_bits_count, parity, stop_bits);
+				receive_register_reset();
 
 				switch (data & 0x03)
 				{
diff --git a/src/mess/drivers/fb01.c b/src/mess/drivers/fb01.c
index 50f9a3efcf6..9bc46331d70 100644
--- a/src/mess/drivers/fb01.c
+++ b/src/mess/drivers/fb01.c
@@ -28,6 +28,8 @@ public:
 	DECLARE_WRITE_LINE_MEMBER(write_usart_clock);
 	DECLARE_WRITE_LINE_MEMBER(midi_in);
 
+	virtual void machine_reset();
+
 private:
 	required_device<i8251_device> m_upd71051;
 	required_device<midi_port_device> m_midi_thru;
@@ -73,6 +75,13 @@ static INPUT_PORTS_START( fb01 )
 INPUT_PORTS_END
 
 
+void fb01_state::machine_reset()
+{
+	m_upd71051->write_cts(0);
+	m_upd71051->write_rxd(ASSERT_LINE);
+}
+
+
 WRITE_LINE_MEMBER(fb01_state::write_usart_clock)
 {
 	m_upd71051->write_txc(state);