diff --git a/src/mame/drivers/blockhl.cpp b/src/mame/drivers/blockhl.cpp
index 1aa28bc2aa9..35428a4bef9 100644
--- a/src/mame/drivers/blockhl.cpp
+++ b/src/mame/drivers/blockhl.cpp
@@ -215,20 +215,20 @@ static INPUT_PORTS_START( blockhl )
 	PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT)  PORT_4WAY PORT_PLAYER(1)
 	PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT) PORT_4WAY PORT_PLAYER(1)
 	PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_UP)    PORT_4WAY PORT_PLAYER(1)
-	PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_UNUSED) // joy down, can be tested in service mode
+	PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN)  PORT_4WAY PORT_PLAYER(1)
 	PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_BUTTON1) PORT_PLAYER(1)
-	PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_UNUSED) // button 2, can be tested in service mode
-	PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_UNUSED) // button 3, can be tested in service mode
+	PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_BUTTON2) PORT_PLAYER(1)
+	PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_BUTTON3) PORT_PLAYER(1)
 	PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_START1)
 
 	PORT_START("P2")
 	PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT)  PORT_4WAY PORT_PLAYER(2)
 	PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT) PORT_4WAY PORT_PLAYER(2)
 	PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_UP)    PORT_4WAY PORT_PLAYER(2)
-	PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_UNUSED) // joy down, can be tested in service mode
+	PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN) PORT_4WAY PORT_PLAYER(2)
 	PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_BUTTON1) PORT_PLAYER(2)
-	PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_UNUSED) // button 2, can be tested in service mode
-	PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_UNUSED) // button 3, can be tested in service mode
+	PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_BUTTON2) PORT_PLAYER(2)
+	PORT_BIT(0x40, IP_ACTIVE_LOW, IPT_BUTTON3) PORT_PLAYER(2)
 	PORT_BIT(0x80, IP_ACTIVE_LOW, IPT_START2)
 
 	PORT_START("DSW1")