From 2c9ac3e1eda7ad1e902cdc358724609996f59d46 Mon Sep 17 00:00:00 2001
From: Curt Coder <curtcoder@mail.com>
Date: Fri, 15 Feb 2013 19:49:49 +0000
Subject: [PATCH] (MESS) prof80: Added RS-232 ports. (nw)

---
 src/mess/drivers/prof80.c  | 25 ++++++++++++++++++++++++-
 src/mess/includes/prof80.h |  7 +++++++
 2 files changed, 31 insertions(+), 1 deletion(-)

diff --git a/src/mess/drivers/prof80.c b/src/mess/drivers/prof80.c
index 042965f1889..10fdb7cdaf8 100644
--- a/src/mess/drivers/prof80.c
+++ b/src/mess/drivers/prof80.c
@@ -178,9 +178,11 @@ void prof80_state::ls259_w(int fa, int sa, int fb, int sb)
 		break;
 
 	case 2: // _RTS
+		m_rs232a->rts_w(fb);
 		break;
 
 	case 3: // TX
+		m_rs232a->tx(fb);
 		break;
 
 	case 4: // _MSTOP
@@ -192,6 +194,7 @@ void prof80_state::ls259_w(int fa, int sa, int fb, int sb)
 		break;
 
 	case 5: // TXP
+		m_rs232b->tx(fb);
 		break;
 
 	case 6: // TSTB
@@ -262,9 +265,11 @@ READ8_MEMBER( prof80_state::status_r )
 	UINT8 data = 0;
 
 	// serial receive
+	data |= !m_rs232a->rx();
 
 	// clear to send
-	data |= 0x10;
+	data |= m_rs232a->cts_r() << 4;
+	data |= m_rs232b->cts_r() << 7;
 
 	// floppy index
 	data |= (m_floppy0->get_device() ? m_floppy0->get_device()->idx_r() : m_floppy1->get_device() ? m_floppy1->get_device()->idx_r() : 1) << 5;
@@ -523,6 +528,20 @@ static SLOT_INTERFACE_START( prof80_ecb_cards )
 SLOT_INTERFACE_END
 
 
+//-------------------------------------------------
+//  rs232_port_interface rs232_intf
+//-------------------------------------------------
+
+static const rs232_port_interface rs232_intf =
+{
+	DEVCB_NULL,
+	DEVCB_NULL,
+	DEVCB_NULL,
+	DEVCB_NULL,
+	DEVCB_NULL
+};
+
+
 
 //**************************************************************************
 //  MACHINE INITIALIZATION
@@ -610,6 +629,10 @@ static MACHINE_CONFIG_START( prof80, prof80_state )
 	MCFG_ECBBUS_SLOT_ADD(4, "ecb_4", prof80_ecb_cards, NULL, NULL)
 	MCFG_ECBBUS_SLOT_ADD(5, "ecb_5", prof80_ecb_cards, NULL, NULL)
 
+	// V24
+	MCFG_RS232_PORT_ADD(RS232_A_TAG, rs232_intf, default_rs232_devices, NULL, NULL)
+	MCFG_RS232_PORT_ADD(RS232_B_TAG, rs232_intf, default_rs232_devices, NULL, NULL)
+
 	// internal ram
 	MCFG_RAM_ADD(RAM_TAG)
 	MCFG_RAM_DEFAULT_SIZE("128K")
diff --git a/src/mess/includes/prof80.h b/src/mess/includes/prof80.h
index 3f71fe19830..13be84c0888 100644
--- a/src/mess/includes/prof80.h
+++ b/src/mess/includes/prof80.h
@@ -11,12 +11,15 @@
 #include "machine/ecb_grip.h"
 #include "machine/ram.h"
 #include "machine/rescap.h"
+#include "machine/serial.h"
 #include "machine/upd1990a.h"
 #include "machine/upd765.h"
 
 #define Z80_TAG         "z1"
 #define UPD765_TAG      "z38"
 #define UPD1990A_TAG    "z43"
+#define RS232_A_TAG		"rs232a"
+#define RS232_B_TAG		"rs232b"
 
 // ------------------------------------------------------------------------
 
@@ -38,6 +41,8 @@ public:
 			m_floppy0(*this, UPD765_TAG":0"),
 			m_floppy1(*this, UPD765_TAG":1"),
 			m_ecb(*this, ECBBUS_TAG),
+			m_rs232a(*this, RS232_A_TAG),
+			m_rs232b(*this, RS232_B_TAG),
 			m_rom(*this, Z80_TAG),
 			m_j4(*this, "J4"),
 			m_j5(*this, "J5")
@@ -50,6 +55,8 @@ public:
 	required_device<floppy_connector> m_floppy0;
 	required_device<floppy_connector> m_floppy1;
 	required_device<ecbbus_device> m_ecb;
+	required_device<rs232_port_device> m_rs232a;
+	required_device<rs232_port_device> m_rs232b;
 	required_memory_region m_rom;
 	required_ioport m_j4;
 	required_ioport m_j5;