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Diffstat (limited to 'src/mame/audio/vicdual.cpp')
-rw-r--r--src/mame/audio/vicdual.cpp6
1 files changed, 3 insertions, 3 deletions
diff --git a/src/mame/audio/vicdual.cpp b/src/mame/audio/vicdual.cpp
index 8576db9bf66..a1219121101 100644
--- a/src/mame/audio/vicdual.cpp
+++ b/src/mame/audio/vicdual.cpp
@@ -107,7 +107,7 @@ static const char *const frogs_sample_names[] =
"hop",
"splash",
"zip",
- 0
+ nullptr
};
@@ -454,7 +454,7 @@ MACHINE_CONFIG_END
WRITE8_MEMBER( vicdual_state::headon_audio_w )
{
- if (m_discrete == NULL)
+ if (m_discrete == nullptr)
return;
m_discrete->write(space, HEADON_HISPEED_PC_EN, data & 0x01);
m_discrete->write(space, HEADON_SCREECH1_EN, data & 0x02);
@@ -468,7 +468,7 @@ WRITE8_MEMBER( vicdual_state::headon_audio_w )
WRITE8_MEMBER( vicdual_state::invho2_audio_w )
{
- if (m_discrete == NULL)
+ if (m_discrete == nullptr)
return;
m_discrete->write(space, HEADON_HISPEED_PC_EN, data & 0x10);
m_discrete->write(space, HEADON_SCREECH1_EN, data & 0x08);