diff --git a/src/mame/drivers/pacman.c b/src/mame/drivers/pacman.c
index 78defad20b0..f7d50b50c96 100644
--- a/src/mame/drivers/pacman.c
+++ b/src/mame/drivers/pacman.c
@@ -4607,22 +4607,22 @@ Dumped by Corrado Tomaselli
 
 ROM_START( birdiy )
 	ROM_REGION( 0x10000, "maincpu", 0 )
-    ROM_LOAD( "a6.bin",       0x0000, 0x001000, CRC(3a58f8ad) SHA1(39e990ad4ee1fdec248665149bdb1072c8c01a9a) )
-    ROM_LOAD( "c6.bin",       0x1000, 0x001000, CRC(fec61ea2) SHA1(f7ff528d2bcede2434d0a33ee0193b50113ef720) )
-    ROM_LOAD( "a4.bin",       0x2000, 0x001000, CRC(3392783b) SHA1(e477f4284fd5b6c9f3619bd35cee6dbe8a2456b8) )
-    ROM_LOAD( "c4.bin",       0x3000, 0x001000, CRC(2391d83d) SHA1(6933f1e11a7a84c26a3a45b240e55157a2400e9c) )
+    ROM_LOAD( "a6.6a",       0x0000, 0x001000, CRC(3a58f8ad) SHA1(39e990ad4ee1fdec248665149bdb1072c8c01a9a) )
+    ROM_LOAD( "c6.6c",       0x1000, 0x001000, CRC(fec61ea2) SHA1(f7ff528d2bcede2434d0a33ee0193b50113ef720) )
+    ROM_LOAD( "a4.4a",       0x2000, 0x001000, CRC(3392783b) SHA1(e477f4284fd5b6c9f3619bd35cee6dbe8a2456b8) )
+    ROM_LOAD( "c4.4c",       0x3000, 0x001000, CRC(2391d83d) SHA1(6933f1e11a7a84c26a3a45b240e55157a2400e9c) )
 
     ROM_REGION( 0x2000, "gfx1", 0 )
-    ROM_LOAD( "c1.bin",       0x0000, 0x001000, CRC(8f6bf54f) SHA1(6e09a9c2b143908766837529b174f97dd5058b53) )
-    ROM_LOAD( "c3.bin",       0x1000, 0x001000, CRC(10b55440) SHA1(4f3cf5d8954725cf791146abf8918c43138602e1) )
+    ROM_LOAD( "c1.1c",       0x0000, 0x001000, CRC(8f6bf54f) SHA1(6e09a9c2b143908766837529b174f97dd5058b53) )
+    ROM_LOAD( "c3.3c",       0x1000, 0x001000, CRC(10b55440) SHA1(4f3cf5d8954725cf791146abf8918c43138602e1) )
 
 	ROM_REGION( 0x0120, "proms", 0 )
-	ROM_LOAD( "82s123.7f",    0x0000, 0x0020, NO_DUMP )
-	ROM_LOAD( "82s126.4a",    0x0020, 0x0100, NO_DUMP )
+	ROM_LOAD( "n82s123n.10n",   0x0000, 0x0020, CRC(ff344446) SHA1(45eb37533da8912645a089b014f3b3384702114a) )
+	ROM_LOAD( "n82s129n.9m",    0x0020, 0x0100, CRC(63efb927) SHA1(5c144a613fc4960a1dfd7ead89e7fee258a63171) )
 
 	ROM_REGION( 0x0200, "namco", 0 )	/* sound PROMs */
-	ROM_LOAD( "82s126.1m",    0x0000, 0x0100, BAD_DUMP CRC(a9cc86bf) SHA1(bbcec0570aeceb582ff8238a4bc8546a23430081) ) // stolen from pacman, should be identical tho
-	ROM_LOAD( "82s126.3m"  ,  0x0100, 0x0100, BAD_DUMP CRC(77245b66) SHA1(0c4d0bee858b97632411c440bea6948a74759746) )	/* timing - not used */
+	ROM_LOAD( "n82s129n.4k",    0x0000, 0x0100, CRC(a9cc86bf) SHA1(bbcec0570aeceb582ff8238a4bc8546a23430081) )
+	ROM_LOAD( "n82s129n.6l"  ,  0x0100, 0x0100, CRC(77245b66) SHA1(0c4d0bee858b97632411c440bea6948a74759746) )	/* timing - not used */
 ROM_END