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Diffstat (limited to 'src/devices/bus/ieee488/softbox.cpp')
-rw-r--r--src/devices/bus/ieee488/softbox.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/devices/bus/ieee488/softbox.cpp b/src/devices/bus/ieee488/softbox.cpp
index 56d6179158e..02d75d19a34 100644
--- a/src/devices/bus/ieee488/softbox.cpp
+++ b/src/devices/bus/ieee488/softbox.cpp
@@ -243,7 +243,7 @@ static MACHINE_CONFIG_FRAGMENT( softbox )
MCFG_I8251_DTR_HANDLER(DEVWRITELINE(RS232_TAG, rs232_port_device, write_dtr))
MCFG_I8251_RTS_HANDLER(DEVWRITELINE(RS232_TAG, rs232_port_device, write_rts))
- MCFG_RS232_PORT_ADD(RS232_TAG, default_rs232_devices, NULL)
+ MCFG_RS232_PORT_ADD(RS232_TAG, default_rs232_devices, nullptr)
MCFG_RS232_RXD_HANDLER(DEVWRITELINE(I8251_TAG, i8251_device, write_rxd))
MCFG_RS232_DSR_HANDLER(DEVWRITELINE(I8251_TAG, i8251_device, write_dsr))
MCFG_DEVICE_CARD_DEVICE_INPUT_DEFAULTS("terminal", terminal)