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-rw-r--r--src/mame/audio/warpwarp.cpp8
1 files changed, 4 insertions, 4 deletions
diff --git a/src/mame/audio/warpwarp.cpp b/src/mame/audio/warpwarp.cpp
index 1c3f42f9de4..728ac384e33 100644
--- a/src/mame/audio/warpwarp.cpp
+++ b/src/mame/audio/warpwarp.cpp
@@ -21,17 +21,17 @@ const device_type WARPWARP = &device_creator<warpwarp_sound_device>;
warpwarp_sound_device::warpwarp_sound_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock)
: device_t(mconfig, WARPWARP, "Warp Warp Audio Custom", tag, owner, clock, "warpwarp_sound", __FILE__),
device_sound_interface(mconfig, *this),
- m_decay(NULL),
- m_channel(NULL),
+ m_decay(nullptr),
+ m_channel(nullptr),
m_sound_latch(0),
m_music1_latch(0),
m_music2_latch(0),
m_sound_signal(0),
m_sound_volume(0),
- m_sound_volume_timer(NULL),
+ m_sound_volume_timer(nullptr),
m_music_signal(0),
m_music_volume(0),
- m_music_volume_timer(NULL),
+ m_music_volume_timer(nullptr),
m_noise(0),
m_vcarry(0),
m_vcount(0),