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Diffstat (limited to 'src/mame/drivers/exerion.cpp')
-rw-r--r--src/mame/drivers/exerion.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/mame/drivers/exerion.cpp b/src/mame/drivers/exerion.cpp
index 93afe3231ea..f89a3242dd4 100644
--- a/src/mame/drivers/exerion.cpp
+++ b/src/mame/drivers/exerion.cpp
@@ -237,7 +237,7 @@ void exerion_state::sub_map(address_map &map)
/* verified from Z80 code */
static INPUT_PORTS_START( exerion )
PORT_START("IN0")
- PORT_BIT( 0x3f, IP_ACTIVE_HIGH, IPT_CUSTOM ) PORT_CUSTOM_MEMBER(DEVICE_SELF, exerion_state, exerion_controls_r, nullptr)
+ PORT_BIT( 0x3f, IP_ACTIVE_HIGH, IPT_CUSTOM ) PORT_CUSTOM_MEMBER(exerion_state, exerion_controls_r)
PORT_BIT( 0x40, IP_ACTIVE_LOW, IPT_START1 )
PORT_BIT( 0x80, IP_ACTIVE_LOW, IPT_START2 )