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Diffstat (limited to 'src/devices/bus/vtech/memexp/rs232.cpp')
-rw-r--r--src/devices/bus/vtech/memexp/rs232.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/devices/bus/vtech/memexp/rs232.cpp b/src/devices/bus/vtech/memexp/rs232.cpp
index bd74662c9f5..42e281151b1 100644
--- a/src/devices/bus/vtech/memexp/rs232.cpp
+++ b/src/devices/bus/vtech/memexp/rs232.cpp
@@ -35,7 +35,7 @@ const rom_entry *rs232_interface_device::device_rom_region() const
//-------------------------------------------------
static MACHINE_CONFIG_FRAGMENT( rs232 )
- MCFG_RS232_PORT_ADD("rs232", default_rs232_devices, NULL)
+ MCFG_RS232_PORT_ADD("rs232", default_rs232_devices, nullptr)
MCFG_RS232_RXD_HANDLER(WRITELINE(rs232_interface_device, rs232_rx_w))
MACHINE_CONFIG_END