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-rw-r--r--src/devices/machine/mccs1850.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/devices/machine/mccs1850.cpp b/src/devices/machine/mccs1850.cpp
index b037f184bfc..72fb12a667a 100644
--- a/src/devices/machine/mccs1850.cpp
+++ b/src/devices/machine/mccs1850.cpp
@@ -374,7 +374,7 @@ void mccs1850_device::nvram_default()
{
memset(m_ram, 0xff, RAM_SIZE);
- if (machine().root_device().memregion(tag()) != NULL)
+ if (machine().root_device().memregion(tag()) != nullptr)
{
UINT8 *nvram = machine().root_device().memregion(tag())->base();