diff --git a/src/mame/bmc/koftball.cpp b/src/mame/bmc/koftball.cpp
index 7c1186051216b..9e4414e753bfe 100644
--- a/src/mame/bmc/koftball.cpp
+++ b/src/mame/bmc/koftball.cpp
@@ -424,8 +424,8 @@ static INPUT_PORTS_START( koftball )
 	PORT_DIPNAME(    0x0040, 0x0040, DEF_STR( Unknown ) ) PORT_DIPLOCATION("SW1:!2")
 	PORT_DIPSETTING(         0x0040, DEF_STR( Off ) )
 	PORT_DIPSETTING(         0x0000, DEF_STR( On ) )
-	PORT_DIPNAME(    0x0080, 0x0080, DEF_STR( Unknown ) ) PORT_DIPLOCATION("SW1:!1")
-	PORT_DIPSETTING(         0x0080, DEF_STR( Off ) )
+    PORT_DIPNAME(    0x0080, 0x0080, "AutoPlay?" ) PORT_DIPLOCATION("SW1:!1")
+    PORT_DIPSETTING(         0x0080, DEF_STR( Off ) )
 	PORT_DIPSETTING(         0x0000, DEF_STR( On ) )
 	PORT_DIPNAME(    0x0100, 0x0100, DEF_STR( Unknown ) ) PORT_DIPLOCATION("SW2:!8")
 	PORT_DIPSETTING(         0x0100, DEF_STR( Off ) )
@@ -492,8 +492,8 @@ static INPUT_PORTS_START( jxzh )
 	PORT_DIPNAME(    0x0020, 0x0020, DEF_STR( Unknown ) ) PORT_DIPLOCATION("SW1:!3")
 	PORT_DIPSETTING(         0x0020, DEF_STR( Off ) )
 	PORT_DIPSETTING(         0x0000, DEF_STR( On ) )
-	PORT_DIPNAME(    0x0040, 0x0040, DEF_STR( Unknown ) ) PORT_DIPLOCATION("SW1:!2")
-	PORT_DIPSETTING(         0x0040, DEF_STR( Off ) )
+    PORT_DIPNAME(    0x0040, 0x0040, "AutoPlay?" ) PORT_DIPLOCATION("SW1:!2")
+    PORT_DIPSETTING(         0x0040, DEF_STR( Off ) )
 	PORT_DIPSETTING(         0x0000, DEF_STR( On ) )
 	PORT_DIPNAME(    0x0080, 0x0080, DEF_STR( Unknown ) ) PORT_DIPLOCATION("SW1:!1")
 	PORT_DIPSETTING(         0x0080, DEF_STR( Off ) )
@@ -516,7 +516,7 @@ static INPUT_PORTS_START( jxzh )
 	PORT_DIPNAME(    0x2000, 0x2000, DEF_STR( Unknown ) ) PORT_DIPLOCATION("SW2:!3")
 	PORT_DIPSETTING(         0x2000, DEF_STR( Off ) )
 	PORT_DIPSETTING(         0x0000, DEF_STR( On ) )
-	PORT_DIPNAME(    0x4000, 0x4000, DEF_STR( Unknown ) ) PORT_DIPLOCATION("SW2:!2")
+	PORT_DIPNAME(    0x4000, 0x4000, "In-Game Music" ) PORT_DIPLOCATION("SW2:!2")
 	PORT_DIPSETTING(         0x4000, DEF_STR( Off ) )
 	PORT_DIPSETTING(         0x0000, DEF_STR( On ) )
 	PORT_DIPNAME(    0x8000, 0x0000, DEF_STR( Demo_Sounds ) ) PORT_DIPLOCATION("SW2:!1")