diff --git a/src/mame/drivers/amidar.c b/src/mame/drivers/amidar.c
index 66bb68b74ad..961f9361c05 100644
--- a/src/mame/drivers/amidar.c
+++ b/src/mame/drivers/amidar.c
@@ -305,7 +305,6 @@ INPUT_PORTS_END
 
 /* same as Turtles, but dip switches are different. */
 static INPUT_PORTS_START( turpin )
-	PORT_START_TAG("IN0")
 	PORT_INCLUDE( turtles )
 
 	PORT_MODIFY("IN1")
diff --git a/src/mame/drivers/wilytowr.c b/src/mame/drivers/wilytowr.c
index 6930ca327cd..559d2274882 100644
--- a/src/mame/drivers/wilytowr.c
+++ b/src/mame/drivers/wilytowr.c
@@ -279,7 +279,7 @@ static ADDRESS_MAP_START( writemem, ADDRESS_SPACE_PROGRAM, 8 )
 	AM_RANGE(0xf003, 0xf003) AM_WRITE(wilytwr_palbank_w)
 	AM_RANGE(0xf006, 0xf007) AM_WRITE(coin_w)
 	AM_RANGE(0xf800, 0xf800) AM_WRITE(soundlatch_w)
-	AM_RANGE(0xf801, 0xf801) AM_WRITE(watchdog_reset_w)	/* unknown (cleared by NMI handler) */
+	AM_RANGE(0xf801, 0xf801) AM_WRITE(SMH_NOP)	/* continues game when in stop mode (cleared by NMI handler) */
 	AM_RANGE(0xf803, 0xf803) AM_WRITE(snd_irq_w)
 ADDRESS_MAP_END