diff --git a/src/mame/drivers/bloodbro.c b/src/mame/drivers/bloodbro.c
index 8c303e7bb0c..6fa4f1e520e 100644
--- a/src/mame/drivers/bloodbro.c
+++ b/src/mame/drivers/bloodbro.c
@@ -474,8 +474,8 @@ MACHINE_CONFIG_END
 
 ROM_START( bloodbro )
 	ROM_REGION( 0x80000, "maincpu", 0 )
-	ROM_LOAD16_BYTE( "bb_02.bin",    0x00001, 0x20000, CRC(c0fdc3e4) SHA1(31968f693de2054a0c8ba50a8d44a371dd9c2848) )
-	ROM_LOAD16_BYTE( "bb_01.bin",    0x00000, 0x20000, CRC(2d7e0fdf) SHA1(8fe22d8a1ef7d562a475a5b6c98303b0cb1af561) )
+	ROM_LOAD16_BYTE( "2j.u021",      0x00001, 0x20000, CRC(c0fdc3e4) SHA1(31968f693de2054a0c8ba50a8d44a371dd9c2848) )
+	ROM_LOAD16_BYTE( "1j.i022",      0x00000, 0x20000, CRC(2d7e0fdf) SHA1(8fe22d8a1ef7d562a475a5b6c98303b0cb1af561) )
 	ROM_LOAD16_BYTE( "bb_04.bin",    0x40001, 0x20000, CRC(fd951c2c) SHA1(f4031bf303c67c82f2f78f7456f78382d8c1ac85) )
 	ROM_LOAD16_BYTE( "bb_03.bin",    0x40000, 0x20000, CRC(18d3c460) SHA1(93b86af1199f0fedeaf1fe64d27ffede4b819e42) )
 
diff --git a/src/mame/drivers/darkseal.c b/src/mame/drivers/darkseal.c
index 41123c4bf6f..27d813db55d 100644
--- a/src/mame/drivers/darkseal.c
+++ b/src/mame/drivers/darkseal.c
@@ -377,13 +377,13 @@ ROM_END
 
 ROM_START( darksealj )
 	ROM_REGION( 0x80000, "maincpu", 0 ) /* 68000 code */
-	ROM_LOAD16_BYTE( "fz-04.bin",    0x00000, 0x20000, CRC(817faa2c) SHA1(8a79703f0e3aeb2ceeb098466561ab604baef301) )
-	ROM_LOAD16_BYTE( "fz-01.bin",    0x00001, 0x20000, CRC(373caeee) SHA1(5cfa0c7672c439e9d011d9ec93da32c2377dce19) )
-	ROM_LOAD16_BYTE( "fz-00.bin",    0x40000, 0x20000, CRC(1ab99aa7) SHA1(1da51f3ee0d15094911d4090264b945090d51242) )
-	ROM_LOAD16_BYTE( "fz-05.bin",    0x40001, 0x20000, CRC(3374ef8c) SHA1(4144e71e452e281078bcd9b9a996db9f5dccc346) )
+	ROM_LOAD16_BYTE( "fz-04-4.bin",    0x00000, 0x20000, CRC(817faa2c) SHA1(8a79703f0e3aeb2ceeb098466561ab604baef301) )
+	ROM_LOAD16_BYTE( "fz-01-4.bin",    0x00001, 0x20000, CRC(373caeee) SHA1(5cfa0c7672c439e9d011d9ec93da32c2377dce19) )
+	ROM_LOAD16_BYTE( "fz-00-2.bin",    0x40000, 0x20000, CRC(1ab99aa7) SHA1(1da51f3ee0d15094911d4090264b945090d51242) )
+	ROM_LOAD16_BYTE( "fz-05-2.bin",    0x40001, 0x20000, CRC(3374ef8c) SHA1(4144e71e452e281078bcd9b9a996db9f5dccc346) )
 
 	ROM_REGION( 0x10000, "audiocpu", 0 )	/* Sound CPU */
-	ROM_LOAD( "fz-06.rom",    0x00000, 0x10000, CRC(c4828a6d) SHA1(fbfd0c85730bbe18401879cd68c19aaec9d482d8) )
+	ROM_LOAD( "fz-06-1.bin",  0x00000, 0x10000, CRC(c4828a6d) SHA1(fbfd0c85730bbe18401879cd68c19aaec9d482d8) )
 
 	ROM_REGION( 0x020000, "gfx1", 0 )
 	ROM_LOAD( "fz-02.rom",    0x000000, 0x10000, CRC(3c9c3012) SHA1(086c2123725d4aa32838c0b6c82317d9c789c465) )	/* chars */