diff --git a/src/mame/drivers/taito_b.c b/src/mame/drivers/taito_b.c
index f45569c3326..d0ed116e4ca 100644
--- a/src/mame/drivers/taito_b.c
+++ b/src/mame/drivers/taito_b.c
@@ -3084,13 +3084,13 @@ ROM_END
 
 ROM_START( tetrista ) // Master of Weapon conversion
 	ROM_REGION( 0x80000, "maincpu", 0 )     /* 512k for 68000 code */
-	ROM_LOAD16_BYTE( "c35-04.bin", 0x000000, 0x020000, CRC(fa6e42ff) SHA1(1c586243aaf57b46338f22ae0fcdba2897ccb98a) )
-	ROM_LOAD16_BYTE( "c35-03.bin", 0x000001, 0x020000, CRC(aebd8539) SHA1(5230c0513581513ba971da55c04da8ba451a16e2) )
-	ROM_LOAD16_BYTE( "c35-02.bin", 0x040000, 0x020000, CRC(128e9927) SHA1(227b4a43074b66c9ba6f4497eb329fbcc5e3f52b) ) // ==c12-05
-	ROM_LOAD16_BYTE( "c35-01.bin", 0x040001, 0x020000, CRC(5da7a319) SHA1(0c903b3274f6eafe24c8b5ef476dc5e8e3131b20) ) // ==c12-04
+	ROM_LOAD16_BYTE( "c35-04.33", 0x000000, 0x020000, CRC(fa6e42ff) SHA1(1c586243aaf57b46338f22ae0fcdba2897ccb98a) )
+	ROM_LOAD16_BYTE( "c35-03.24", 0x000001, 0x020000, CRC(aebd8539) SHA1(5230c0513581513ba971da55c04da8ba451a16e2) )
+	ROM_LOAD16_BYTE( "c35-02.34", 0x040000, 0x020000, CRC(128e9927) SHA1(227b4a43074b66c9ba6f4497eb329fbcc5e3f52b) ) // ==c12-05
+	ROM_LOAD16_BYTE( "c35-01.25", 0x040001, 0x020000, CRC(5da7a319) SHA1(0c903b3274f6eafe24c8b5ef476dc5e8e3131b20) ) // ==c12-04
 
 	ROM_REGION( 0x1c000, "audiocpu", 0 )     /* 64k for Z80 code */
-	ROM_LOAD( "c35-05.bin", 0x00000, 0x4000, CRC(785c63fb) SHA1(13db76d8ce52ff21bfda0866c9c6b52147c6fc9d) )
+	ROM_LOAD( "c35-05.30", 0x00000, 0x4000, CRC(785c63fb) SHA1(13db76d8ce52ff21bfda0866c9c6b52147c6fc9d) )
 	ROM_CONTINUE(           0x10000, 0xc000 ) /* banked stuff */
 
 	ROM_REGION( 0x100000, "gfx1", ROMREGION_ERASE00 )
@@ -3102,8 +3102,8 @@ ROM_START( tetrista ) // Master of Weapon conversion
 	  tile 0 being solid and obscuring the bitmap (however if we load them in the correct region
 	  unwanted tiles from here are shown after gameover which is wrong)
 	 */
-	ROM_LOAD( "b72-02.rom", 0x000000, 0x080000, CRC(843444eb) SHA1(2b466045f882996c80e0090009ee957e11d32825) )
-	ROM_LOAD( "b72-01.rom", 0x080000, 0x080000, CRC(a24ac26e) SHA1(895715a2bb0cb15334cba2283bd228b4fc08cd0c) )
+	ROM_LOAD( "b72-02.6", 0x000000, 0x080000, CRC(843444eb) SHA1(2b466045f882996c80e0090009ee957e11d32825) )
+	ROM_LOAD( "b72-01.5", 0x080000, 0x080000, CRC(a24ac26e) SHA1(895715a2bb0cb15334cba2283bd228b4fc08cd0c) )
 ROM_END
 
 ROM_START( hitice ) /* 4 Player version */
@@ -3436,7 +3436,7 @@ ROM_START( masterw )
 	ROM_CONTINUE(           0x10000, 0xc000 ) /* banked stuff */
 
 	ROM_REGION( 0x100000, "gfx1", 0 )
-	ROM_LOAD( "b72-02.rom", 0x000000, 0x080000, CRC(c519f65a) SHA1(f40cd7e09fa50abdafa95b7f9edf229e94e53d6f) )
+	ROM_LOAD( "b72-02.6", 0x000000, 0x080000, CRC(843444eb) SHA1(2b466045f882996c80e0090009ee957e11d32825) )
 	ROM_LOAD( "b72-01.5", 0x080000, 0x080000, CRC(a24ac26e) SHA1(895715a2bb0cb15334cba2283bd228b4fc08cd0c) )
 ROM_END
 
@@ -3452,7 +3452,7 @@ ROM_START( masterwu )
 	ROM_CONTINUE(           0x10000, 0xc000 ) /* banked stuff */
 
 	ROM_REGION( 0x100000, "gfx1", 0 )
-	ROM_LOAD( "b72-02.rom", 0x000000, 0x080000, CRC(c519f65a) SHA1(f40cd7e09fa50abdafa95b7f9edf229e94e53d6f) )
+	ROM_LOAD( "b72-02.6", 0x000000, 0x080000, CRC(843444eb) SHA1(2b466045f882996c80e0090009ee957e11d32825) )
 	ROM_LOAD( "b72-01.5", 0x080000, 0x080000, CRC(a24ac26e) SHA1(895715a2bb0cb15334cba2283bd228b4fc08cd0c) )
 ROM_END