diff --git a/src/mame/drivers/galaxian.cpp b/src/mame/drivers/galaxian.cpp
index 7354719a160..c97188ec8b1 100644
--- a/src/mame/drivers/galaxian.cpp
+++ b/src/mame/drivers/galaxian.cpp
@@ -9714,7 +9714,29 @@ ROM_START( mooncrstuku )
 	ROM_LOAD( "mmi6331.6l", 0x0000, 0x0020, CRC(6a0c7d87) SHA1(140335d85c67c75b65689d4e76d29863c209cf32) ) /* Compatible with 82s123 prom */
 ROM_END
 
+// CPU-1 board has the CPU, a 7486, a 74153, a 74125 and a 7408
 ROM_START( mooncrstu )
+	ROM_REGION( 0x8000, "maincpu", 0 )
+	ROM_LOAD( "mcue_mc1.bin",      0x0000, 0x0800, CRC(2ff840d1) SHA1(c7232972cab1696be25a0b617ce9d0fa501b57d4) )
+	ROM_LOAD( "mcue_mc2.bin",      0x0800, 0x0800, CRC(44bb7cfa) SHA1(349c2e23a9fce73f95bb8168d369082fa129fe3d) )
+	ROM_LOAD( "mcue_mc3.bin",      0x1000, 0x0800, CRC(9c412104) SHA1(1b40054ebb1ace965a8522119bb23f09797bc5f6) )
+	ROM_LOAD( "mcue_mc4.bin",      0x1800, 0x0800, CRC(7e9b1ab5) SHA1(435f603c0c3e788a509dd144a7916a34e791ae44) )
+	ROM_LOAD( "mcue_mc5.bin",      0x2000, 0x0800, CRC(16c759af) SHA1(3b48050411f65f9d3fb41ff22901e22d82bf1cf6) )
+	ROM_LOAD( "mcue_mc6.bin",      0x2800, 0x0800, CRC(69bcafdb) SHA1(939c8c6ed1cd4660a3d99b8f17ed99cbd7e1352a) )
+	ROM_LOAD( "mcue_mc7.bin",      0x3000, 0x0800, CRC(b50dbc46) SHA1(4fa084fd1ba5f78e7703e684c57af15ca7a844e4) )
+	ROM_LOAD( "mcue_mc8.bin",      0x3800, 0x0800, CRC(414678b4) SHA1(84050c9ceb337fd748c6a3f18c86b28f07573cc9) )
+
+	ROM_REGION( 0x2000, "gfx1", 0 )
+	ROM_LOAD( "mcs_b",        0x0000, 0x0800, CRC(fb0f1f81) SHA1(38a6679a8b69bc1870a0e67e692131c42f9535c8) )
+	ROM_LOAD( "mcs_d",        0x0800, 0x0800, CRC(13932a15) SHA1(b8885c555c6ad7021be55c6925a0a0872c1b6abd) )
+	ROM_LOAD( "mcs_a",        0x1000, 0x0800, CRC(631ebb5a) SHA1(5bc9493afa76c55858b8c8849524cbc77dc838fc) )
+	ROM_LOAD( "mcs_c",        0x1800, 0x0800, CRC(24cfd145) SHA1(08c6599db170dd6ee364c44f70a0f5c0f881b6ef) )
+
+	ROM_REGION( 0x0020, "proms", 0 )
+	ROM_LOAD( "mmi6331.6l", 0x0000, 0x0020, CRC(6a0c7d87) SHA1(140335d85c67c75b65689d4e76d29863c209cf32) ) /* Compatible with 82s123 prom */
+ROM_END
+
+ROM_START( mooncrstuu )
 	ROM_REGION( 0x8000, "maincpu", 0 )
 	ROM_LOAD( "smc1f",        0x0000, 0x0800, CRC(389ca0d6) SHA1(51cf6d190a0ebf23b70c2bcf1ccaa4705e29cd09) )
 	ROM_LOAD( "smc2f",        0x0800, 0x0800, CRC(410ab430) SHA1(d89abff6ac4afbf69377a1d63043d629a634aab7) )
@@ -13043,7 +13065,8 @@ GAME( 2001, videight,    0,        videight,   warofbug,   galaxian_state, init_
 GAME( 1980, mooncrst,    0,        mooncrst,   mooncrst,   galaxian_state, init_mooncrst,   ROT90,  "Nichibutsu",                   "Moon Cresta (Nichibutsu)",                               MACHINE_SUPPORTS_SAVE )
 GAME( 1980, mooncrstuk,  mooncrst, mooncrst,   mooncrst,   galaxian_state, init_mooncrst,   ROT90,  "Nichibutsu UK",                "Moon Cresta (Nichibutsu UK)",                            MACHINE_SUPPORTS_SAVE )
 GAME( 1980, mooncrstuku, mooncrst, mooncrst,   mooncrst,   galaxian_state, init_mooncrsu,   ROT90,  "Nichibutsu UK",                "Moon Cresta (Nichibutsu UK, unencrypted)",               MACHINE_SUPPORTS_SAVE )
-GAME( 1980, mooncrstu,   mooncrst, mooncrst,   mooncrst,   galaxian_state, init_mooncrsu,   ROT90,  "Nichibutsu USA",               "Moon Cresta (Nichibutsu USA, unencrypted)",              MACHINE_SUPPORTS_SAVE )
+GAME( 1980, mooncrstu,   mooncrst, mooncrst,   mooncrst,   galaxian_state, init_mooncrst,   ROT90,  "Nichibutsu USA",               "Moon Cresta (Nichibutsu USA, encrypted)",                MACHINE_SUPPORTS_SAVE )
+GAME( 1980, mooncrstuu,  mooncrst, mooncrst,   mooncrst,   galaxian_state, init_mooncrsu,   ROT90,  "Nichibutsu USA",               "Moon Cresta (Nichibutsu USA, unencrypted)",              MACHINE_SUPPORTS_SAVE )
 GAME( 1980, mooncrsto,   mooncrst, mooncrst,   mooncrsa,   galaxian_state, init_mooncrst,   ROT90,  "Nichibutsu",                   "Moon Cresta (Nichibutsu, old rev)",                      MACHINE_SUPPORTS_SAVE )
 GAME( 1980, mooncrstg,   mooncrst, mooncrst,   mooncrsg,   galaxian_state, init_mooncrsu,   ROT90,  "Nichibutsu (Gremlin license)", "Moon Cresta (Gremlin)",                                  MACHINE_SUPPORTS_SAVE )
 
diff --git a/src/mame/mame.lst b/src/mame/mame.lst
index 567d83e17f2..5f224ba650d 100644
--- a/src/mame/mame.lst
+++ b/src/mame/mame.lst
@@ -14098,6 +14098,7 @@ mooncrstg                       // (c) 1980 Gremlin
 mooncrstso                      // (c) 1980 SegaSA / Sonic
 mooncrsto                       // (c) 1980 Nichibutsu
 mooncrstu                       // (c) 1980 Nichibutsu USA
+mooncrstuu                      // (c) 1980 Nichibutsu USA
 mooncrstuk                      // (c) 1980 Nichibutsu UK
 mooncrstuku                     // (c) 1980 Nichibutsu UK
 moonqsr                         // (c) 1980 Nichibutsu