diff --git a/src/mame/drivers/model2.cpp b/src/mame/drivers/model2.cpp
index 43ebfd5d850..97986287165 100644
--- a/src/mame/drivers/model2.cpp
+++ b/src/mame/drivers/model2.cpp
@@ -1974,23 +1974,35 @@ INPUT_PORTS_END
 
 static INPUT_PORTS_START( skytargt )
 	PORT_START("IN0")
-	PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_COIN1)
-	PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_COIN2)
-	PORT_SERVICE_NO_TOGGLE(0x04, IP_ACTIVE_LOW)
-	PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_SERVICE1)
-	PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_UNKNOWN)
-	PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_UNKNOWN)
-	PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_START1)
-	PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_UNKNOWN)
+	PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_COIN1 )
+	PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_COIN2 )
+	PORT_SERVICE_NO_TOGGLE(0x04, IP_ACTIVE_LOW )
+	PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_SERVICE1 )
+	PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_UNKNOWN )
+	PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_BUTTON3 ) PORT_NAME("P1 View Change")
+	PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_START1 )
+	PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_UNKNOWN )
 
 	PORT_START("IN1")
-	PORT_BIT(0x0f, IP_ACTIVE_LOW, IPT_UNKNOWN)
-	PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_BUTTON1) PORT_NAME("P1 Machine Gun")
-	PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_BUTTON2) PORT_NAME("P1 Missile")
-	PORT_BIT(0xc0, IP_ACTIVE_LOW, IPT_UNKNOWN)
-
+	PORT_BIT(0x0f, IP_ACTIVE_LOW, IPT_UNKNOWN )
+	PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_NAME("P1 Machine Gun")
+	PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_NAME("P1 Missile")
+	PORT_BIT(0xc0, IP_ACTIVE_LOW, IPT_UNKNOWN )
+	
 	PORT_START("IN2")
-	MODEL2_PLAYER_INPUTS(2, BUTTON1, BUTTON2, BUTTON3, BUTTON4)
+	PORT_BIT(0xff, IP_ACTIVE_LOW, IPT_UNKNOWN )
+
+	PORT_START("ANA0")
+	PORT_BIT(0xff, 0x80, IPT_AD_STICK_Y ) PORT_MINMAX(0x00,0xff) PORT_SENSITIVITY(30) PORT_KEYDELTA(20) PORT_PLAYER(1)
+
+	PORT_START("ANA1")
+	PORT_BIT(0xff, IP_ACTIVE_LOW, IPT_UNKNOWN )
+
+	PORT_START("ANA2")
+	PORT_BIT(0xff, 0x80, IPT_AD_STICK_X ) PORT_MINMAX(0x00,0xff) PORT_SENSITIVITY(30) PORT_KEYDELTA(20) PORT_PLAYER(1) PORT_REVERSE
+
+	PORT_START("ANA3")
+	PORT_BIT(0xff, IP_ACTIVE_LOW, IPT_UNKNOWN )
 INPUT_PORTS_END
 
 static INPUT_PORTS_START( dynabb )