diff --git a/src/mame/drivers/argus.c b/src/mame/drivers/argus.c
index 7e6de5bbfcf..eadac058cb1 100644
--- a/src/mame/drivers/argus.c
+++ b/src/mame/drivers/argus.c
@@ -740,7 +740,41 @@ ROM_START( valtric )
 	ROM_LOAD( "vt_07.bin",    0x00000, 0x08000, CRC(d5f9bfb9) SHA1(6b3f11f9b8f76c0144a109f1506d8cbb01876237) )
 ROM_END
 
-ROM_START( butasan )
+ROM_START( butasan ) /* English "subtitle" of Butasan for Japanese region.  Original Jaleco PCB */
+	ROM_REGION( 0x30000, "maincpu", 0 ) 					/* Main CPU */
+	ROM_LOAD( "t2-4.bin",     0x00000, 0x10000, CRC(937dabed) SHA1(23058b07cc2973b3b7a4b0bcdab43c3db605a54e) ) /* overdump?  1+2 half identical */
+	ROM_LOAD( "s2-3.bin",     0x10000, 0x10000, CRC(a6b3ccc2) SHA1(fcc9db1cd68fd9477d86e63e6906d194d5ee477a) )
+	ROM_LOAD( "p2-2.bin",     0x20000, 0x10000, CRC(96517fa9) SHA1(03ee1f118f109c85b046098c457a90b40e163f3c) )
+
+	ROM_REGION( 0x10000, "audiocpu", 0 )					/* Sound CPU */
+	ROM_LOAD( "buta-01.bin",  0x00000, 0x10000, CRC(c9d23e2d) SHA1(cee289d5bf7626fc35808a09f9f1f4628fa16974) )
+
+	ROM_REGION( 0x80000, "gfx1", 0 )	/* Sprite */
+	ROM_LOAD( "buta-16.bin",  0x00000, 0x10000, CRC(e0ce51b6) SHA1(458c7c422a7b6ce42f397a8868610f6386fd815c) )
+	ROM_LOAD( "k15-15.bin",   0x10000, 0x10000, CRC(2105f6e1) SHA1(54c13073f0dc8b5d3fb5578aa5958a5dd01396a6) )
+	ROM_LOAD( "buta-14.bin",  0x20000, 0x10000, CRC(8ec891c1) SHA1(e16f18a0eed300752af8f07fd3cef5cd825a2a05) )
+	ROM_LOAD( "buta-13.bin",  0x30000, 0x10000, CRC(5023e74d) SHA1(edf43e6c89f0e537cebf1c21a671dba4cd7d91ea) )
+	ROM_LOAD( "buta-12.bin",  0x40000, 0x10000, CRC(44f59905) SHA1(bf364f7f907fee551e9228db7c27c106bcfecf6c) )
+	ROM_LOAD( "buta-11.bin",  0x50000, 0x10000, CRC(b8929f1d) SHA1(18a72f30284bed0c6723105f87eb10d64d3f461d) )
+	ROM_LOAD( "buta-10.bin",  0x60000, 0x10000, CRC(fd4d3baf) SHA1(fa8e3970a8aac83efcb669fe5d4683adade9aa4f) )
+	ROM_LOAD( "buta-09.bin",  0x70000, 0x10000, CRC(7da4c0fd) SHA1(fb2b148ccfee530313da886eddf7711ee83b4aeb) )
+
+	ROM_REGION( 0x20000, "gfx2", 0 )	/* BG0 */
+	ROM_LOAD( "buta-05.bin",  0x00000, 0x10000, CRC(b8e026b0) SHA1(eb6ff9042b21b7190000c571ccba7d81f11ce9f1) )
+	ROM_LOAD( "buta-06.bin",  0x10000, 0x10000, CRC(8bbacb81) SHA1(015be76e44ed2389eff912d8f61a757667d7670b) )
+
+	ROM_REGION( 0x10000, "gfx3", 0 )	/* BG1 */
+	ROM_LOAD( "buta-07.bin",  0x00000, 0x10000, CRC(3a48d531) SHA1(0ff6256bb7ea909d95b2bfb994ebc5432ea6d055) )
+
+	ROM_REGION( 0x08000, "gfx4", 0 )	/* Text */
+	ROM_LOAD( "a7-8.bin",     0x00000, 0x08000, CRC(85153252) SHA1(20af223f9dc2e29e506e257c36e96d10dc150467) )
+
+	ROM_REGION( 0x00200, "proms", 0 )					/* Data proms ??? */
+	ROM_LOAD( "buta-01.prm",  0x00000, 0x00100, CRC(45baedd0) SHA1(afdafb67d55007e6fb99518657e27ce61d2cb7e6) )
+	ROM_LOAD( "buta-02.prm",  0x00100, 0x00100, CRC(0dcb18fc) SHA1(0b097b873c9484981f87a5e3d1af767f901ae05f) )
+ROM_END
+
+ROM_START( butasanj )
 	ROM_REGION( 0x30000, "maincpu", 0 ) 					/* Main CPU */
 	ROM_LOAD( "buta-04.bin",  0x00000, 0x08000, CRC(47ff4ca9) SHA1(d89a41f6987c91d20b010f0cbda332cf54b21f8c) )
 	ROM_LOAD( "buta-03.bin",  0x10000, 0x10000, CRC(69fd88c7) SHA1(fd827d7926a2de5ffe2982b3a59ea43de00ee46b) )
@@ -778,4 +812,5 @@ ROM_END
 /*  ( YEAR   NAME     PARENT  MACHINE   INPUT     INIT  MONITOR  COMPANY                  FULLNAME ) */
 GAME( 1986, argus,    0,      argus,    argus,    0,    ROT270,  "NMK (Jaleco license)", "Argus"          , GAME_IMPERFECT_GRAPHICS )
 GAME( 1986, valtric,  0,      valtric,  valtric,  0,    ROT270,  "NMK (Jaleco license)", "Valtric"        , GAME_IMPERFECT_GRAPHICS )
-GAME( 1987, butasan,  0,      butasan,  butasan,  0,    ROT0,    "NMK (Jaleco license)", "Butasan (Japan)", GAME_IMPERFECT_GRAPHICS )
+GAME( 1987, butasan,  0,      butasan,  butasan,  0,    ROT0,    "NMK (Jaleco license)", "Butasan (Pig's & Bomber's)", GAME_IMPERFECT_GRAPHICS )
+GAME( 1987, butasanj, butasan,butasan,  butasan,  0,    ROT0,    "NMK (Jaleco license)", "Butasan (Japan)", GAME_IMPERFECT_GRAPHICS )
diff --git a/src/mame/mame.lst b/src/mame/mame.lst
index 20717ff573a..4c8a5c9212b 100644
--- a/src/mame/mame.lst
+++ b/src/mame/mame.lst
@@ -7734,7 +7734,8 @@ cruisin			// (c) 1985 Jaleco/Kitkorp
 momoko			// (c) 1986 Jaleco
 argus			// (c) 1986 Jaleco
 valtric			// (c) 1986 Jaleco
-butasan			// (c) 1987 Jaleco
+butasan			// (c) 1987 Jaleco - english subtitled
+butasanj		// (c) 1987 Jaleco
 psychic5		// (c) 1987 Jaleco
 psychic5a		// (c) 1987 Jaleco
 bombsa			// (c) 1988 Jaleco