From 4a4501a474459f375b8930a442e43730f13b1d60 Mon Sep 17 00:00:00 2001
From: Couriersud <couriersud@users.noreply.github.com>
Date: Sun, 23 Feb 2014 14:52:32 +0000
Subject: [PATCH] Only fatalerror if we are trying to connect two railnets.

---
 src/emu/netlist/nl_setup.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/emu/netlist/nl_setup.c b/src/emu/netlist/nl_setup.c
index ebcd71b02ec..206e0687fda 100644
--- a/src/emu/netlist/nl_setup.c
+++ b/src/emu/netlist/nl_setup.c
@@ -539,13 +539,13 @@ void netlist_setup_t::connect(netlist_core_terminal_t &t1_in, netlist_core_termi
 
 	if (t1.isType(netlist_core_terminal_t::OUTPUT) && t2.isType(netlist_core_terminal_t::INPUT))
 	{
-		if (t2.has_net())
+		if (t2.has_net() && t2.net().isRailNet())
 			netlist().error("Input %s already connected\n", t2.name().cstr());
 		connect_input_output(dynamic_cast<netlist_input_t &>(t2), dynamic_cast<netlist_output_t &>(t1));
 	}
 	else if (t1.isType(netlist_core_terminal_t::INPUT) && t2.isType(netlist_core_terminal_t::OUTPUT))
 	{
-		if (t1.has_net())
+		if (t1.has_net()  && t1.net().isRailNet())
 		    netlist().error("Input %s already connected\n", t1.name().cstr());
 		connect_input_output(dynamic_cast<netlist_input_t &>(t1), dynamic_cast<netlist_output_t &>(t2));
 	}