From b90cab195f3b0f1df96d517fb19bf38bbf8b5ae0 Mon Sep 17 00:00:00 2001
From: Miodrag Milanovic <mmicko@gmail.com>
Date: Tue, 14 Jun 2011 14:29:57 +0000
Subject: [PATCH] Fix for listxml and centronics device (no whatsnew)

---
 src/emu/imagedev/printer.h | 3 ---
 src/emu/info.c             | 2 +-
 src/emu/machine/ctronics.c | 8 ++++++--
 3 files changed, 7 insertions(+), 6 deletions(-)

diff --git a/src/emu/imagedev/printer.h b/src/emu/imagedev/printer.h
index b2b03750fa6..4348cf487b4 100644
--- a/src/emu/imagedev/printer.h
+++ b/src/emu/imagedev/printer.h
@@ -71,7 +71,4 @@ extern const device_type PRINTER;
 #define MCFG_PRINTER_ADD(_tag) \
 	MCFG_DEVICE_ADD(_tag, PRINTER, 0) \
 
-#define MCFG_PRINTER_ONLINE(_online) \
-	MCFG_DEVICE_CONFIG_DATAPTR(printer_interface, m_online, _online)
-
 #endif /* __PRINTER_H__ */
diff --git a/src/emu/info.c b/src/emu/info.c
index 360cbdc6c88..460cb5b03b9 100644
--- a/src/emu/info.c
+++ b/src/emu/info.c
@@ -1055,7 +1055,7 @@ void info_xml_creator::output_images()
 		if (dev->must_be_loaded())
 			fprintf(m_output, " mandatory=\"1\"");
 
-		if (dev->image_interface()[0])
+		if (dev->image_interface() && dev->image_interface()[0])
 			fprintf(m_output, " interface=\"%s\"", xml_normalize_string(dev->image_interface()));
 
 		// close the XML tag
diff --git a/src/emu/machine/ctronics.c b/src/emu/machine/ctronics.c
index 78f35f3da98..a06cf944c8b 100644
--- a/src/emu/machine/ctronics.c
+++ b/src/emu/machine/ctronics.c
@@ -71,10 +71,14 @@ const centronics_interface standard_centronics =
 /*****************************************************************************
     PRINTER INTERFACE
 *****************************************************************************/
+const struct printer_interface centronics_printer_config =
+{
+    DEVCB_LINE(centronics_printer_online)
+};
 
 static MACHINE_CONFIG_FRAGMENT( centronics )
 	MCFG_PRINTER_ADD("printer")
-	MCFG_PRINTER_ONLINE(centronics_printer_online)
+	MCFG_DEVICE_CONFIG(centronics_printer_config)
 MACHINE_CONFIG_END
 
 
@@ -151,7 +155,7 @@ DEVICE_GET_INFO( centronics )
     sets us busy when the printer goes offline
 -------------------------------------------------*/
 
-void centronics_printer_online(device_t *device, int state)
+WRITE_LINE_DEVICE_HANDLER(centronics_printer_online)
 {
 	centronics_state *centronics = get_safe_token(device->owner());