--- trunk/src/devices/dev_bt431.c	2007/10/08 16:18:00	4
+++ trunk/src/devices/dev_bt431.c	2007/10/08 16:19:23	20
@@ -25,7 +25,7 @@
  *  SUCH DAMAGE.
  *   
  *
- *  $Id: dev_bt431.c,v 1.8 2005/02/22 12:15:29 debug Exp $
+ *  $Id: dev_bt431.c,v 1.10 2005/11/13 00:14:08 debug Exp $
  *  
  *  Brooktree 431, used by TURBOchannel graphics cards.
  *
@@ -74,8 +74,8 @@
 	int on, new_cursor_x, new_cursor_y;
 #endif
 
-
-	idata = memory_readmax64(cpu, data, len);
+	if (writeflag == MEM_WRITE)
+		idata = memory_readmax64(cpu, data, len);
 
 	btaddr = ((d->cur_addr_hi << 8) + d->cur_addr_lo) % DEV_BT431_NREGS;
 
@@ -216,6 +216,6 @@
 	d->cursor_xsize = d->cursor_ysize = 8;	/*  anything  */
 
 	memory_device_register(mem, "bt431", baseaddr, DEV_BT431_LENGTH,
-	    dev_bt431_access, (void *)d, MEM_DEFAULT, NULL);
+	    dev_bt431_access, (void *)d, DM_DEFAULT, NULL);
 }