diff --git a/src/mame/drivers/naomi.cpp b/src/mame/drivers/naomi.cpp
index c1883aee8c8..ee8862fdcd1 100644
--- a/src/mame/drivers/naomi.cpp
+++ b/src/mame/drivers/naomi.cpp
@@ -1217,7 +1217,7 @@ D4564323        - NEC uPD4564323G5-A10 512K x 32 x 4 (64MBit) SDRAM (SSOP86)
 D4721           - NEC uPD4721 RS232 Line Driver Receiver IC (SSOP20)
 PCM1725U        - Burr-Brown PCM1725U 16Bit Digital to Analog Converter (SOIC14)
 2100            - New Japan Radio Co. Ltd. NJM2100 Dual Op Amp (SOIC8)
-ROMEO           - Sammy AX0201A01 'ROMEO' 4111-00000501 0250 K13 custom ASIC (TQFP100)
+ROMEO           - Sammy AX0201A01 'ROMEO' 4111-00000501 0250 K13 rebadged Fujitsu MBCG61723P-102 TP2H50 - CG61P series CMOS Gate Array ASIC (TQFP100)
 315-6232        - SEGA 315-6232 custom ASIC (QFP100)
 315-6258        - SEGA 315-6258 custom ASIC (QFP56)
 315-6267        - SEGA 315-6267 custom ASIC (BGAxxx)
@@ -10212,6 +10212,7 @@ ROM_END
 /* 0170    */ GAME( 2007, pokasuka,  manicpnc, naomim4, naomi,   naomi_state, naomi,   ROT0, "Sega", "Pokasuka Ghost! (Japan)", GAME_FLAGS )
 /* 0175    */ GAME( 2007, asndynmt,  naomi,    naomim4, naomi,   naomi_state, naomi,   ROT0, "Sega", "Asian Dynamite / Dynamite Deka EX", GAME_FLAGS )
 /* 0177    */ GAME( 2007, rhytngk,   naomi,    naomim4, naomi,   naomi_state, naomi,   ROT0, "Sega / Nintendo - J.P ROOM", "Rhythm Tengoku (Japan)", GAME_FLAGS )
+// 0180 Mushiking IV (World)
 /* 0186    */ GAME( 2009, shorsepr,  naomi,    naomim4, naomi,   naomi_state, naomi,  ROT270,"Sega", "Star Horse Progress Returns (satellite)", GAME_FLAGS )
 // 0xxx Mushiking 2K3 1ST (Japan)
 // 0xxx Mushiking 2K4 1ST (Japan)