diff --git a/src/mame/drivers/m92.cpp b/src/mame/drivers/m92.cpp
index 63b4387b254..28883fe6c70 100644
--- a/src/mame/drivers/m92.cpp
+++ b/src/mame/drivers/m92.cpp
@@ -1465,83 +1465,83 @@ ROM_END
 
 ROM_START( inthunt )
 	ROM_REGION( 0x100000, "maincpu", 0 )
-	ROM_LOAD16_BYTE( "ith-h0-d.bin", 0x000001, 0x040000, CRC(52f8e7a6) SHA1(26d9e272b01e7b82019812059dcc9fbb043c6129) )
-	ROM_LOAD16_BYTE( "ith-l0-d.bin", 0x000000, 0x040000, CRC(5db79eb7) SHA1(ffd4228d7b88a44a82e639a5583753da183fcb23) )
-	ROM_LOAD16_BYTE( "ith-h1-b.bin", 0x080001, 0x020000, CRC(fc2899df) SHA1(f811ff5fd55655afdb25950d317db85c8091b6d6) )
-	ROM_LOAD16_BYTE( "ith-l1-b.bin", 0x080000, 0x020000, CRC(955a605a) SHA1(2515accc2f4a06b07418e45eb62e746d09c81720) )
+	ROM_LOAD16_BYTE( "ith-h0-d.ic28", 0x000001, 0x040000, CRC(52f8e7a6) SHA1(26d9e272b01e7b82019812059dcc9fbb043c6129) )
+	ROM_LOAD16_BYTE( "ith-l0-d.ic39", 0x000000, 0x040000, CRC(5db79eb7) SHA1(ffd4228d7b88a44a82e639a5583753da183fcb23) )
+	ROM_LOAD16_BYTE( "ith-h1-b.ic38", 0x080001, 0x020000, CRC(fc2899df) SHA1(f811ff5fd55655afdb25950d317db85c8091b6d6) )
+	ROM_LOAD16_BYTE( "ith-l1-b.ic27", 0x080000, 0x020000, CRC(955a605a) SHA1(2515accc2f4a06b07418e45eb62e746d09c81720) )
 
 	ROM_REGION( 0x20000, "soundcpu", 0 )    /* Irem D8000011A1 */
-	ROM_LOAD16_BYTE( "ith-sh0.rom", 0x00001, 0x10000, CRC(209c8b7f) SHA1(eaf4a6d9222fe181df65cea1f13c3f2ebff2ec5b) )
-	ROM_LOAD16_BYTE( "ith-sl0.rom", 0x00000, 0x10000, CRC(18472d65) SHA1(2705e94ee350ffda272c50ea3bf605826aa19978) )
+	ROM_LOAD16_BYTE( "ith-sh0.ic30", 0x00001, 0x10000, CRC(209c8b7f) SHA1(eaf4a6d9222fe181df65cea1f13c3f2ebff2ec5b) )
+	ROM_LOAD16_BYTE( "ith-sl0.ic31", 0x00000, 0x10000, CRC(18472d65) SHA1(2705e94ee350ffda272c50ea3bf605826aa19978) )
 
 	ROM_REGION( 0x200000, "gfx1", 0 ) /* Tiles */
-	ROM_LOAD( "ith_ic26.rom", 0x000000, 0x080000, CRC(4c1818cf) SHA1(fc8c2ae640bc3504a52736be46febb92c998fd7d) )
-	ROM_LOAD( "ith_ic25.rom", 0x080000, 0x080000, CRC(91145bae) SHA1(71b2695575f189a2fc72635831ba408f824d4928) )
-	ROM_LOAD( "ith_ic24.rom", 0x100000, 0x080000, CRC(fc03fe3b) SHA1(7e34220b9b21b82e012dcbf3052cccb118e3c382) )
-	ROM_LOAD( "ith_ic23.rom", 0x180000, 0x080000, CRC(ee156a0a) SHA1(4a303ed292ce79e3f990139c35b921213eb2711d) )
+	ROM_LOAD( "ith_c0.ic26", 0x000000, 0x080000, CRC(4c1818cf) SHA1(fc8c2ae640bc3504a52736be46febb92c998fd7d) )
+	ROM_LOAD( "ith_c1.ic25", 0x080000, 0x080000, CRC(91145bae) SHA1(71b2695575f189a2fc72635831ba408f824d4928) )
+	ROM_LOAD( "ith_c2.ic24", 0x100000, 0x080000, CRC(fc03fe3b) SHA1(7e34220b9b21b82e012dcbf3052cccb118e3c382) )
+	ROM_LOAD( "ith_c3.ic23", 0x180000, 0x080000, CRC(ee156a0a) SHA1(4a303ed292ce79e3f990139c35b921213eb2711d) )
 
 	ROM_REGION( 0x400000, "gfx2", 0 ) /* Sprites */
-	ROM_LOAD( "ith_ic34.rom", 0x000000, 0x100000, CRC(a019766e) SHA1(59012a41d152a471a95f1f86b6b1e0f9dd3f9711) )
-	ROM_LOAD( "ith_ic35.rom", 0x100000, 0x100000, CRC(3fca3073) SHA1(bdae171cb7705647f28354ca83ecdea3a15f6e22) )
-	ROM_LOAD( "ith_ic36.rom", 0x200000, 0x100000, CRC(20d1b28b) SHA1(290947d77242e837444766ff5d420bc9b53b5b01) )
-	ROM_LOAD( "ith_ic37.rom", 0x300000, 0x100000, CRC(90b6fd4b) SHA1(99237ebab7cf4689e06965bd546cd80a825ab024) )
+	ROM_LOAD( "ith_000.ic34", 0x000000, 0x100000, CRC(a019766e) SHA1(59012a41d152a471a95f1f86b6b1e0f9dd3f9711) )
+	ROM_LOAD( "ith_010.ic35", 0x100000, 0x100000, CRC(3fca3073) SHA1(bdae171cb7705647f28354ca83ecdea3a15f6e22) )
+	ROM_LOAD( "ith_020.ic36", 0x200000, 0x100000, CRC(20d1b28b) SHA1(290947d77242e837444766ff5d420bc9b53b5b01) )
+	ROM_LOAD( "ith_030.ic37", 0x300000, 0x100000, CRC(90b6fd4b) SHA1(99237ebab7cf4689e06965bd546cd80a825ab024) )
 
 	ROM_REGION( 0x80000, "irem", 0 )
-	ROM_LOAD( "ith_ic9.rom", 0x000000, 0x080000, CRC(318ee71a) SHA1(e6f49a7adf7155ba40c4f33a8fdc9553c00f5e3d) )
+	ROM_LOAD( "ith_da.ic9", 0x000000, 0x080000, CRC(318ee71a) SHA1(e6f49a7adf7155ba40c4f33a8fdc9553c00f5e3d) )
 ROM_END
 
 ROM_START( inthuntu )
 	ROM_REGION( 0x100000, "maincpu", 0 )
-	ROM_LOAD16_BYTE( "ith-h0-c.bin", 0x000001, 0x040000, CRC(563dcec0) SHA1(0c7588ba603926fb0b490f2ba324ff73362a54d5) )
-	ROM_LOAD16_BYTE( "ith-l0-c.bin", 0x000000, 0x040000, CRC(1638c705) SHA1(8ca7a12c2f75172d4c2c808ea666b2f2e969398c) )
-	ROM_LOAD16_BYTE( "ith-h1-a.bin", 0x080001, 0x020000, CRC(0253065f) SHA1(a11e6bf014c19b2e317b75f01a7f0d7a9a85c7d3) )
-	ROM_LOAD16_BYTE( "ith-l1-a.bin", 0x080000, 0x020000, CRC(a57d688d) SHA1(aa049de5c41097b6f1da31e9bf3bac132f67aa6c) )
+	ROM_LOAD16_BYTE( "ith-h0-c.ic28", 0x000001, 0x040000, CRC(563dcec0) SHA1(0c7588ba603926fb0b490f2ba324ff73362a54d5) )
+	ROM_LOAD16_BYTE( "ith-l0-c.ic39", 0x000000, 0x040000, CRC(1638c705) SHA1(8ca7a12c2f75172d4c2c808ea666b2f2e969398c) )
+	ROM_LOAD16_BYTE( "ith-h1-a.ic38", 0x080001, 0x020000, CRC(0253065f) SHA1(a11e6bf014c19b2e317b75f01a7f0d7a9a85c7d3) )
+	ROM_LOAD16_BYTE( "ith-l1-a.ic27", 0x080000, 0x020000, CRC(a57d688d) SHA1(aa049de5c41097b6f1da31e9bf3bac132f67aa6c) )
 
 	ROM_REGION( 0x20000, "soundcpu", 0 )    /* Irem D8000011A1 */
-	ROM_LOAD16_BYTE( "ith-sh0.rom", 0x00001, 0x10000, CRC(209c8b7f) SHA1(eaf4a6d9222fe181df65cea1f13c3f2ebff2ec5b) )
-	ROM_LOAD16_BYTE( "ith-sl0.rom", 0x00000, 0x10000, CRC(18472d65) SHA1(2705e94ee350ffda272c50ea3bf605826aa19978) )
+	ROM_LOAD16_BYTE( "ith-sh0.ic30", 0x00001, 0x10000, CRC(209c8b7f) SHA1(eaf4a6d9222fe181df65cea1f13c3f2ebff2ec5b) )
+	ROM_LOAD16_BYTE( "ith-sl0.ic31", 0x00000, 0x10000, CRC(18472d65) SHA1(2705e94ee350ffda272c50ea3bf605826aa19978) )
 
 	ROM_REGION( 0x200000, "gfx1", 0 ) /* Tiles */
-	ROM_LOAD( "ith_ic26.rom", 0x000000, 0x080000, CRC(4c1818cf) SHA1(fc8c2ae640bc3504a52736be46febb92c998fd7d) )
-	ROM_LOAD( "ith_ic25.rom", 0x080000, 0x080000, CRC(91145bae) SHA1(71b2695575f189a2fc72635831ba408f824d4928) )
-	ROM_LOAD( "ith_ic24.rom", 0x100000, 0x080000, CRC(fc03fe3b) SHA1(7e34220b9b21b82e012dcbf3052cccb118e3c382) )
-	ROM_LOAD( "ith_ic23.rom", 0x180000, 0x080000, CRC(ee156a0a) SHA1(4a303ed292ce79e3f990139c35b921213eb2711d) )
+	ROM_LOAD( "ith_c0.ic26", 0x000000, 0x080000, CRC(4c1818cf) SHA1(fc8c2ae640bc3504a52736be46febb92c998fd7d) )
+	ROM_LOAD( "ith_c1.ic25", 0x080000, 0x080000, CRC(91145bae) SHA1(71b2695575f189a2fc72635831ba408f824d4928) )
+	ROM_LOAD( "ith_c2.ic24", 0x100000, 0x080000, CRC(fc03fe3b) SHA1(7e34220b9b21b82e012dcbf3052cccb118e3c382) )
+	ROM_LOAD( "ith_c3.ic23", 0x180000, 0x080000, CRC(ee156a0a) SHA1(4a303ed292ce79e3f990139c35b921213eb2711d) )
 
 	ROM_REGION( 0x400000, "gfx2", 0 ) /* Sprites */
-	ROM_LOAD( "ith_ic34.rom", 0x000000, 0x100000, CRC(a019766e) SHA1(59012a41d152a471a95f1f86b6b1e0f9dd3f9711) )
-	ROM_LOAD( "ith_ic35.rom", 0x100000, 0x100000, CRC(3fca3073) SHA1(bdae171cb7705647f28354ca83ecdea3a15f6e22) )
-	ROM_LOAD( "ith_ic36.rom", 0x200000, 0x100000, CRC(20d1b28b) SHA1(290947d77242e837444766ff5d420bc9b53b5b01) )
-	ROM_LOAD( "ith_ic37.rom", 0x300000, 0x100000, CRC(90b6fd4b) SHA1(99237ebab7cf4689e06965bd546cd80a825ab024) )
+	ROM_LOAD( "ith_000.ic34", 0x000000, 0x100000, CRC(a019766e) SHA1(59012a41d152a471a95f1f86b6b1e0f9dd3f9711) )
+	ROM_LOAD( "ith_010.ic35", 0x100000, 0x100000, CRC(3fca3073) SHA1(bdae171cb7705647f28354ca83ecdea3a15f6e22) )
+	ROM_LOAD( "ith_020.ic36", 0x200000, 0x100000, CRC(20d1b28b) SHA1(290947d77242e837444766ff5d420bc9b53b5b01) )
+	ROM_LOAD( "ith_030.ic37", 0x300000, 0x100000, CRC(90b6fd4b) SHA1(99237ebab7cf4689e06965bd546cd80a825ab024) )
 
 	ROM_REGION( 0x80000, "irem", 0 )
-	ROM_LOAD( "ith_ic9.rom", 0x000000, 0x080000, CRC(318ee71a) SHA1(e6f49a7adf7155ba40c4f33a8fdc9553c00f5e3d) )
+	ROM_LOAD( "ith_da.ic9", 0x000000, 0x080000, CRC(318ee71a) SHA1(e6f49a7adf7155ba40c4f33a8fdc9553c00f5e3d) )
 ROM_END
 
 ROM_START( kaiteids )
 	ROM_REGION( 0x100000, "maincpu", 0 )
-	ROM_LOAD16_BYTE( "ith-h0j.bin", 0x000001, 0x040000, CRC(dc1dec36) SHA1(f0a6e3be19752bffd9fd5f435405c8f591eab258) )
-	ROM_LOAD16_BYTE( "ith-l0j.bin", 0x000000, 0x040000, CRC(8835d704) SHA1(42be25ccdc31824797a17e6f76bd06edfe853833) )
-	ROM_LOAD16_BYTE( "ith-h1j.bin", 0x080001, 0x020000, CRC(5a7b212d) SHA1(50562d804a43aed7c34c19c8345782ac2f85caa7) )
-	ROM_LOAD16_BYTE( "ith-l1j.bin", 0x080000, 0x020000, CRC(4c084494) SHA1(4f32003db32f13e19dd07c66996b4328ac2a671e) )
+	ROM_LOAD16_BYTE( "ith-h0j.ic28", 0x000001, 0x040000, CRC(dc1dec36) SHA1(f0a6e3be19752bffd9fd5f435405c8f591eab258) )
+	ROM_LOAD16_BYTE( "ith-l0j.ic39", 0x000000, 0x040000, CRC(8835d704) SHA1(42be25ccdc31824797a17e6f76bd06edfe853833) )
+	ROM_LOAD16_BYTE( "ith-h1j.ic38", 0x080001, 0x020000, CRC(5a7b212d) SHA1(50562d804a43aed7c34c19c8345782ac2f85caa7) )
+	ROM_LOAD16_BYTE( "ith-l1j.ic27", 0x080000, 0x020000, CRC(4c084494) SHA1(4f32003db32f13e19dd07c66996b4328ac2a671e) )
 
 	ROM_REGION( 0x20000, "soundcpu", 0 )    /* Irem D8000011A1 */
-	ROM_LOAD16_BYTE( "ith-sh0.rom", 0x00001, 0x10000, CRC(209c8b7f) SHA1(eaf4a6d9222fe181df65cea1f13c3f2ebff2ec5b) )
-	ROM_LOAD16_BYTE( "ith-sl0.rom", 0x00000, 0x10000, CRC(18472d65) SHA1(2705e94ee350ffda272c50ea3bf605826aa19978) )
+	ROM_LOAD16_BYTE( "ith-sh0.ic30", 0x00001, 0x10000, CRC(209c8b7f) SHA1(eaf4a6d9222fe181df65cea1f13c3f2ebff2ec5b) )
+	ROM_LOAD16_BYTE( "ith-sl0.ic31", 0x00000, 0x10000, CRC(18472d65) SHA1(2705e94ee350ffda272c50ea3bf605826aa19978) )
 
 	ROM_REGION( 0x200000, "gfx1", 0 ) /* Tiles */
-	ROM_LOAD( "ith_ic26.rom", 0x000000, 0x080000, CRC(4c1818cf) SHA1(fc8c2ae640bc3504a52736be46febb92c998fd7d) )
-	ROM_LOAD( "ith_ic25.rom", 0x080000, 0x080000, CRC(91145bae) SHA1(71b2695575f189a2fc72635831ba408f824d4928) )
-	ROM_LOAD( "ith_ic24.rom", 0x100000, 0x080000, CRC(fc03fe3b) SHA1(7e34220b9b21b82e012dcbf3052cccb118e3c382) )
-	ROM_LOAD( "ith_ic23.rom", 0x180000, 0x080000, CRC(ee156a0a) SHA1(4a303ed292ce79e3f990139c35b921213eb2711d) )
+	ROM_LOAD( "ith_c0.ic26", 0x000000, 0x080000, CRC(4c1818cf) SHA1(fc8c2ae640bc3504a52736be46febb92c998fd7d) )
+	ROM_LOAD( "ith_c1.ic25", 0x080000, 0x080000, CRC(91145bae) SHA1(71b2695575f189a2fc72635831ba408f824d4928) )
+	ROM_LOAD( "ith_c2.ic24", 0x100000, 0x080000, CRC(fc03fe3b) SHA1(7e34220b9b21b82e012dcbf3052cccb118e3c382) )
+	ROM_LOAD( "ith_c3.ic23", 0x180000, 0x080000, CRC(ee156a0a) SHA1(4a303ed292ce79e3f990139c35b921213eb2711d) )
 
 	ROM_REGION( 0x400000, "gfx2", 0 ) /* Sprites */
-	ROM_LOAD( "ith_ic34.rom", 0x000000, 0x100000, CRC(a019766e) SHA1(59012a41d152a471a95f1f86b6b1e0f9dd3f9711) )
-	ROM_LOAD( "ith_ic35.rom", 0x100000, 0x100000, CRC(3fca3073) SHA1(bdae171cb7705647f28354ca83ecdea3a15f6e22) )
-	ROM_LOAD( "ith_ic36.rom", 0x200000, 0x100000, CRC(20d1b28b) SHA1(290947d77242e837444766ff5d420bc9b53b5b01) )
-	ROM_LOAD( "ith_ic37.rom", 0x300000, 0x100000, CRC(90b6fd4b) SHA1(99237ebab7cf4689e06965bd546cd80a825ab024) )
+	ROM_LOAD( "ith_000.ic34", 0x000000, 0x100000, CRC(a019766e) SHA1(59012a41d152a471a95f1f86b6b1e0f9dd3f9711) )
+	ROM_LOAD( "ith_010.ic35", 0x100000, 0x100000, CRC(3fca3073) SHA1(bdae171cb7705647f28354ca83ecdea3a15f6e22) )
+	ROM_LOAD( "ith_020.ic36", 0x200000, 0x100000, CRC(20d1b28b) SHA1(290947d77242e837444766ff5d420bc9b53b5b01) )
+	ROM_LOAD( "ith_030.ic37", 0x300000, 0x100000, CRC(90b6fd4b) SHA1(99237ebab7cf4689e06965bd546cd80a825ab024) )
 
 	ROM_REGION( 0x80000, "irem", 0 )
-	ROM_LOAD( "ith_ic9.rom", 0x000000, 0x080000, CRC(318ee71a) SHA1(e6f49a7adf7155ba40c4f33a8fdc9553c00f5e3d) )
+	ROM_LOAD( "ith_da.ic9", 0x000000, 0x080000, CRC(318ee71a) SHA1(e6f49a7adf7155ba40c4f33a8fdc9553c00f5e3d) )
 ROM_END
 
 ROM_START( hook )