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Diffstat (limited to 'src/mame/drivers/mattelchess.cpp')
-rw-r--r--src/mame/drivers/mattelchess.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/mame/drivers/mattelchess.cpp b/src/mame/drivers/mattelchess.cpp
index 440b33c417f..ee61ea38ec7 100644
--- a/src/mame/drivers/mattelchess.cpp
+++ b/src/mame/drivers/mattelchess.cpp
@@ -182,7 +182,7 @@ static INPUT_PORTS_START( mchess )
PORT_BIT(0x80, IP_ACTIVE_HIGH, IPT_KEYPAD) PORT_CODE(KEYCODE_B) PORT_NAME("Take Back")
PORT_START("IN.3")
- PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_OTHER) PORT_CODE(KEYCODE_F1) PORT_TOGGLE PORT_CHANGED_MEMBER(DEVICE_SELF, mchess_state, reset_switch, nullptr) PORT_NAME("Save Switch")
+ PORT_BIT(0x01, IP_ACTIVE_HIGH, IPT_OTHER) PORT_CODE(KEYCODE_F1) PORT_TOGGLE PORT_CHANGED_MEMBER(DEVICE_SELF, mchess_state, reset_switch, 0) PORT_NAME("Save Switch")
INPUT_PORTS_END