diff --git a/src/mame/drivers/model2.cpp b/src/mame/drivers/model2.cpp
index 7ae2caac2ea..ed5ac197b32 100644
--- a/src/mame/drivers/model2.cpp
+++ b/src/mame/drivers/model2.cpp
@@ -1618,7 +1618,7 @@ READ8_MEMBER( model2_state::in0_r )
 	uint8_t data = m_in0->read();
 
 	if (m_ctrlmode)
-		return (data & 0xc0) | (m_eeprom->do_read() << 5) | (data & 0x1f);
+		return (0xc0) | (m_eeprom->do_read() << 5) | (0x10) | (data & 0x0f);
 	else
 		return data;
 }
@@ -1665,7 +1665,8 @@ static INPUT_PORTS_START( model2 )
 	PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_SERVICE1)
 	PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_START1)
 	PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_START2)
-	PORT_BIT(0xc0, IP_ACTIVE_LOW, IPT_UNUSED)
+	PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_UNUSED)
+	PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_UNUSED)
 
 	PORT_START("IN1")
 	PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_BUTTON1)        PORT_PLAYER(1)
@@ -2150,7 +2151,6 @@ static INPUT_PORTS_START( waverunr )
 	PORT_MODIFY("IN0")
 	PORT_BIT(0x32, IP_ACTIVE_LOW, IPT_UNUSED)
 	PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_START1)
-	PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_UNUSED)
 
 	PORT_MODIFY("IN1")
 	PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_BUTTON1) PORT_NAME("View")
@@ -2211,7 +2211,6 @@ static INPUT_PORTS_START( segawski )
 	PORT_MODIFY("IN0")
 	PORT_BIT(0x32, IP_ACTIVE_LOW, IPT_UNUSED)
 	PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_BUTTON5) PORT_NAME("Select (Down)")
-	PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_UNUSED)
 
 	PORT_MODIFY("IN1")
 	PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_BUTTON4) PORT_NAME("Set")