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Diffstat (limited to 'src/devices/bus/plus4/sid.cpp')
-rw-r--r--src/devices/bus/plus4/sid.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/devices/bus/plus4/sid.cpp b/src/devices/bus/plus4/sid.cpp
index 57515474824..5e4ffb172b1 100644
--- a/src/devices/bus/plus4/sid.cpp
+++ b/src/devices/bus/plus4/sid.cpp
@@ -68,7 +68,7 @@ static MACHINE_CONFIG_FRAGMENT( plus4_sid )
MCFG_SOUND_ADD("dac", DAC, 0)
MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.25)
- MCFG_VCS_CONTROL_PORT_ADD(CONTROL1_TAG, vcs_control_port_devices, NULL)
+ MCFG_VCS_CONTROL_PORT_ADD(CONTROL1_TAG, vcs_control_port_devices, nullptr)
MACHINE_CONFIG_END