diff --git a/src/mame/drivers/snowbros.cpp b/src/mame/drivers/snowbros.cpp
index 3f70f209ebf..4938d92f65e 100644
--- a/src/mame/drivers/snowbros.cpp
+++ b/src/mame/drivers/snowbros.cpp
@@ -1572,30 +1572,29 @@ INPUT_PORTS_END
 
 static INPUT_PORTS_START( yutnori )
 	PORT_START("DSW1")
-	PORT_DIPNAME( 0x0001, 0x0001, "DSW1" )  PORT_DIPLOCATION("SW1:1")
-	PORT_DIPSETTING(      0x0001, DEF_STR( Off ) )
-	PORT_DIPSETTING(      0x0000, DEF_STR( On ) )
-	PORT_DIPNAME( 0x0002, 0x0002, DEF_STR( Unknown ) ) PORT_DIPLOCATION("SW1:2")
-	PORT_DIPSETTING(      0x0002, DEF_STR( Off ) )
-	PORT_DIPSETTING(      0x0000, DEF_STR( On ) )
-	PORT_DIPNAME( 0x0004, 0x0004, DEF_STR( Unknown ) ) PORT_DIPLOCATION("SW1:3")
-	PORT_DIPSETTING(      0x0004, DEF_STR( Off ) )
-	PORT_DIPSETTING(      0x0000, DEF_STR( On ) )
-	PORT_DIPNAME( 0x0008, 0x0008, DEF_STR( Unknown ) ) PORT_DIPLOCATION("SW1:4")
-	PORT_DIPSETTING(      0x0008, DEF_STR( Off ) )
-	PORT_DIPSETTING(      0x0000, DEF_STR( On ) )
-	PORT_DIPNAME( 0x0010, 0x0010, DEF_STR( Unknown ) ) PORT_DIPLOCATION("SW1:5")
-	PORT_DIPSETTING(      0x0010, DEF_STR( Off ) )
-	PORT_DIPSETTING(      0x0000, DEF_STR( On ) )
-	PORT_DIPNAME( 0x0020, 0x0020, DEF_STR( Unknown ) ) PORT_DIPLOCATION("SW1:6")
-	PORT_DIPSETTING(      0x0020, DEF_STR( Off ) ) 
-	PORT_DIPSETTING(      0x0000, DEF_STR( On ) )
-	PORT_DIPNAME( 0x0040, 0x0040, DEF_STR( Unknown ) ) PORT_DIPLOCATION("SW1:7")
-	PORT_DIPSETTING(      0x0040, DEF_STR( Off ) )
-	PORT_DIPSETTING(      0x0000, DEF_STR( On ) )
-	PORT_DIPNAME( 0x0080, 0x0080, DEF_STR( Unknown ) ) PORT_DIPLOCATION("SW1:8")
-	PORT_DIPSETTING(      0x0080, DEF_STR( Off ) )
-	PORT_DIPSETTING(      0x0000, DEF_STR( On ) )
+	PORT_DIPNAME( 0x007,  0x0007, "Coin / Credit" ) PORT_DIPLOCATION("SW1:1,2,3")
+	PORT_DIPSETTING(      0x0004, "1 / 50" )
+	PORT_DIPSETTING(      0x0003, "1 / 40" )
+	PORT_DIPSETTING(      0x0002, "1 / 30" )
+	PORT_DIPSETTING(      0x0007, "2 / 50" )
+	PORT_DIPSETTING(      0x0006, "2 / 40" )
+	PORT_DIPSETTING(      0x0005, "2 / 30" )
+	PORT_DIPSETTING(      0x0001, "3 / 50" )
+	PORT_DIPSETTING(      0x0000, "3 / 40" )
+	PORT_DIPNAME( 0x0038, 0x0038, DEF_STR( Difficulty ) ) PORT_DIPLOCATION("SW1:4,5,6")
+	PORT_DIPSETTING(      0x0030, "1" )
+	PORT_DIPSETTING(      0x0028, "2" )
+	PORT_DIPSETTING(      0x0020, "3" )
+	PORT_DIPSETTING(      0x0038, "4" )
+	PORT_DIPSETTING(      0x0018, "5" )
+	PORT_DIPSETTING(      0x0010, "6" )
+	PORT_DIPSETTING(      0x0008, "7" )
+	PORT_DIPSETTING(      0x0000, "8" )
+	PORT_DIPNAME( 0xc0, 0xc0, "Mal Count" )   PORT_DIPLOCATION("SW1:7,8")
+	PORT_DIPSETTING(    0x40, "2" )
+	PORT_DIPSETTING(    0xc0, "3" )
+	PORT_DIPSETTING(    0x00, "4" )
+	PORT_DIPSETTING(    0x80, "5" )
 	PORT_BIT( 0x0100, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_8WAY
 	PORT_BIT( 0x0200, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_8WAY
 	PORT_BIT( 0x0400, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_8WAY
@@ -1606,27 +1605,24 @@ static INPUT_PORTS_START( yutnori )
 	PORT_BIT( 0x8000, IP_ACTIVE_HIGH, IPT_UNKNOWN )
 
 	PORT_START("DSW2")
-	PORT_DIPNAME( 0x0001, 0x0001, "DSW2" )  PORT_DIPLOCATION("SW2:1")
-	PORT_DIPSETTING(      0x0001, DEF_STR( Off ) )
-	PORT_DIPSETTING(      0x0000, DEF_STR( On ) )
-	PORT_DIPNAME( 0x0002, 0x0002, DEF_STR( Unknown ) ) PORT_DIPLOCATION("SW2:2")
-	PORT_DIPSETTING(      0x0002, DEF_STR( Off ) )
-	PORT_DIPSETTING(      0x0000, DEF_STR( On ) )
-	PORT_DIPNAME( 0x0004, 0x0004, DEF_STR( Unknown ) ) PORT_DIPLOCATION("SW2:3")
-	PORT_DIPSETTING(      0x0004, DEF_STR( Off ) )
-	PORT_DIPSETTING(      0x0000, DEF_STR( On ) )
-	PORT_DIPNAME( 0x0008, 0x0008, DEF_STR( Unknown ) ) PORT_DIPLOCATION("SW2:4")
-	PORT_DIPSETTING(      0x0008, DEF_STR( Off ) )
-	PORT_DIPSETTING(      0x0000, DEF_STR( On ) )
-	PORT_DIPNAME( 0x0010, 0x0010, DEF_STR( Unknown ) ) PORT_DIPLOCATION("SW2:5")
-	PORT_DIPSETTING(      0x0010, DEF_STR( Off ) )
-	PORT_DIPSETTING(      0x0000, DEF_STR( On ) )
-	PORT_DIPNAME( 0x0020, 0x0020, DEF_STR( Unknown ) ) PORT_DIPLOCATION("SW2:6")
-	PORT_DIPSETTING(      0x0020, DEF_STR( Off ) )
-	PORT_DIPSETTING(      0x0000, DEF_STR( On ) )
-	PORT_DIPNAME( 0x0040, 0x0040, DEF_STR( Unknown ) ) PORT_DIPLOCATION("SW2:7")
-	PORT_DIPSETTING(      0x0040, DEF_STR( Off ) )
-	PORT_DIPSETTING(      0x0000, DEF_STR( On ) )
+	PORT_DIPNAME( 0x03, 0x03, "Base Bet" ) PORT_DIPLOCATION("SW2:1,2")
+	PORT_DIPSETTING(    0x00, "20" )
+	PORT_DIPSETTING(    0x01, "30" )
+	PORT_DIPSETTING(    0x02, "40" )
+	PORT_DIPSETTING(    0x03, "50" )
+	PORT_DIPNAME( 0x0c, 0x0c, "Max Bet" ) PORT_DIPLOCATION("SW2:3,4")
+	PORT_DIPSETTING(    0x04, "150" )
+	PORT_DIPSETTING(    0x08, "200" )
+	PORT_DIPSETTING(    0x0c, "300" )
+	PORT_DIPSETTING(    0x00, "400" )
+	PORT_DIPNAME( 0x30, 0x30, "Score" ) PORT_DIPLOCATION("SW2:5,6")
+	PORT_DIPSETTING(    0x10, "800 1200 1600" )
+	PORT_DIPSETTING(    0x30, "1000 1500 2000" )
+	PORT_DIPSETTING(    0x00, "1200 1800 2400" )
+	PORT_DIPSETTING(    0x20, "1000 2000 3000" )
+	PORT_DIPNAME( 0x0040, 0x0040, "Bet -> Score" ) PORT_DIPLOCATION("SW2:7")
+	PORT_DIPSETTING(      0x0040, DEF_STR( On ) )
+	PORT_DIPSETTING(      0x0000, DEF_STR( Off ) )
 	PORT_SERVICE_DIPLOC(  0x0080, IP_ACTIVE_LOW, "SW2:8" )
 	PORT_BIT( 0x0100, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_8WAY PORT_PLAYER(2)
 	PORT_BIT( 0x0200, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_8WAY PORT_PLAYER(2)