diff --git a/src/mame/mame.lst b/src/mame/mame.lst
index 6670de07253..4f97b27d7e7 100644
--- a/src/mame/mame.lst
+++ b/src/mame/mame.lst
@@ -9155,8 +9155,9 @@ hiryuken		// (c) 1985 Taito
 
 // Tatsumi Games
 kingdrby		// (c) 1981 Tatsumi
-tx1			// (c) 1983 Tatsumi
-tx1a			// (c) 1983 Tatsumi
+tx1				// (c) 1983 Tatsumi + Atari, Namco and Taito license
+tx1jb			// (c) 1983 Tatsumi
+tx1jc			// (c) 1983 Tatsumi
 // TX-1 V8		// (c) 1984 Tatsumi
 buggyboy		// (c) 1985 Tatsumi
 buggyboyjr		// (c) 1986 Tatsumi