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Diffstat (limited to 'src/mame/drivers/atetris.c')
-rw-r--r--src/mame/drivers/atetris.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/mame/drivers/atetris.c b/src/mame/drivers/atetris.c
index ae22738f811..ab6087225b4 100644
--- a/src/mame/drivers/atetris.c
+++ b/src/mame/drivers/atetris.c
@@ -255,7 +255,7 @@ static INPUT_PORTS_START( atetris )
PORT_DIPSETTING( 0x08, DEF_STR( On ) )
PORT_DIPUNUSED_DIPLOC( 0x10, 0x00, "50H:!2" ) /* Listed As "SPARE2 (Unused)" */
PORT_DIPUNUSED_DIPLOC( 0x20, 0x00, "50H:!1" ) /* Listed As "SPARE1 (Unused)" */
- PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_VBLANK )
+ PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_CUSTOM ) PORT_VBLANK("screen")
PORT_SERVICE( 0x80, IP_ACTIVE_HIGH )
PORT_START("IN1")