diff --git a/src/emu/video/vooddefs.h b/src/emu/video/vooddefs.h
index 77a55aae5a6..71ed33663f8 100644
--- a/src/emu/video/vooddefs.h
+++ b/src/emu/video/vooddefs.h
@@ -1,10 +1,41 @@
-/*************************************************************************
+/***************************************************************************
 
-    3dfx Voodoo Graphics SST-1/2 emulator
+    vooddefs.h
 
-    emulator by Aaron Giles
+    3dfx Voodoo Graphics SST-1/2 emulator.
 
-**************************************************************************/
+****************************************************************************
+
+    Copyright Aaron Giles
+    All rights reserved.
+
+    Redistribution and use in source and binary forms, with or without
+    modification, are permitted provided that the following conditions are
+    met:
+
+        * Redistributions of source code must retain the above copyright
+          notice, this list of conditions and the following disclaimer.
+        * Redistributions in binary form must reproduce the above copyright
+          notice, this list of conditions and the following disclaimer in
+          the documentation and/or other materials provided with the
+          distribution.
+        * Neither the name 'MAME' nor the names of its contributors may be
+          used to endorse or promote products derived from this software
+          without specific prior written permission.
+
+    THIS SOFTWARE IS PROVIDED BY AARON GILES ''AS IS'' AND ANY EXPRESS OR
+    IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+    WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+    DISCLAIMED. IN NO EVENT SHALL AARON GILES BE LIABLE FOR ANY DIRECT,
+    INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+    (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+    SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+    HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+    STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+    IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+    POSSIBILITY OF SUCH DAMAGE.
+
+***************************************************************************/
 
 
 /*************************************
diff --git a/src/emu/video/voodoo.c b/src/emu/video/voodoo.c
index a44be503927..a48d1811e60 100644
--- a/src/emu/video/voodoo.c
+++ b/src/emu/video/voodoo.c
@@ -1,6 +1,45 @@
+/***************************************************************************
+
+    voodoo.c
+
+    3dfx Voodoo Graphics SST-1/2 emulator.
+
+****************************************************************************
+
+    Copyright Aaron Giles
+    All rights reserved.
+
+    Redistribution and use in source and binary forms, with or without
+    modification, are permitted provided that the following conditions are
+    met:
+
+        * Redistributions of source code must retain the above copyright
+          notice, this list of conditions and the following disclaimer.
+        * Redistributions in binary form must reproduce the above copyright
+          notice, this list of conditions and the following disclaimer in
+          the documentation and/or other materials provided with the
+          distribution.
+        * Neither the name 'MAME' nor the names of its contributors may be
+          used to endorse or promote products derived from this software
+          without specific prior written permission.
+
+    THIS SOFTWARE IS PROVIDED BY AARON GILES ''AS IS'' AND ANY EXPRESS OR
+    IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+    WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+    DISCLAIMED. IN NO EVENT SHALL AARON GILES BE LIABLE FOR ANY DIRECT,
+    INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+    (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+    SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+    HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+    STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+    IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+    POSSIBILITY OF SUCH DAMAGE.
+
+****************************************************************************
+
 //fix me -- blitz2k dies when starting a game with heavy fog (in DRC)
 
-/*************************************************************************
+****************************************************************************
 
     3dfx Voodoo Graphics SST-1/2 emulator
 
diff --git a/src/emu/video/voodoo.h b/src/emu/video/voodoo.h
index 0907a9abdb1..74a6646066e 100644
--- a/src/emu/video/voodoo.h
+++ b/src/emu/video/voodoo.h
@@ -1,10 +1,41 @@
-/*************************************************************************
+/***************************************************************************
 
-    3dfx Voodoo Graphics SST-1 emulator
+    voodoo.h
 
-    driver by Aaron Giles
+    3dfx Voodoo Graphics SST-1/2 emulator.
 
-**************************************************************************/
+****************************************************************************
+
+    Copyright Aaron Giles
+    All rights reserved.
+
+    Redistribution and use in source and binary forms, with or without
+    modification, are permitted provided that the following conditions are
+    met:
+
+        * Redistributions of source code must retain the above copyright
+          notice, this list of conditions and the following disclaimer.
+        * Redistributions in binary form must reproduce the above copyright
+          notice, this list of conditions and the following disclaimer in
+          the documentation and/or other materials provided with the
+          distribution.
+        * Neither the name 'MAME' nor the names of its contributors may be
+          used to endorse or promote products derived from this software
+          without specific prior written permission.
+
+    THIS SOFTWARE IS PROVIDED BY AARON GILES ''AS IS'' AND ANY EXPRESS OR
+    IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+    WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+    DISCLAIMED. IN NO EVENT SHALL AARON GILES BE LIABLE FOR ANY DIRECT,
+    INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+    (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+    SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+    HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+    STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+    IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+    POSSIBILITY OF SUCH DAMAGE.
+
+***************************************************************************/
 
 #ifndef __VOODOO_H__
 #define __VOODOO_H__