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Diffstat (limited to 'src/mame/drivers/zac2650.c')
-rw-r--r--src/mame/drivers/zac2650.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/src/mame/drivers/zac2650.c b/src/mame/drivers/zac2650.c
index 368f7c3588e..3bdfc0feb3a 100644
--- a/src/mame/drivers/zac2650.c
+++ b/src/mame/drivers/zac2650.c
@@ -79,7 +79,7 @@ static INPUT_PORTS_START( tinvader )
PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNUSED )
PORT_START("SENSE")
- PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_VBLANK )
+ PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_CUSTOM ) PORT_VBLANK("screen")
PORT_START("1E85")
PORT_BIT( 0xff, IP_ACTIVE_LOW, IPT_UNUSED )
@@ -147,7 +147,7 @@ static INPUT_PORTS_START( dodgem )
PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_UNUSED )
PORT_START("SENSE")
- PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_VBLANK )
+ PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_CUSTOM ) PORT_VBLANK("screen")
PORT_START("1E85")
PORT_DIPNAME( 0x03, 0x00, DEF_STR( Difficulty ) )