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-rw-r--r--src/mame/machine/asteroid.cpp4
1 files changed, 2 insertions, 2 deletions
diff --git a/src/mame/machine/asteroid.cpp b/src/mame/machine/asteroid.cpp
index 37e252e6bd0..e8e01c5f065 100644
--- a/src/mame/machine/asteroid.cpp
+++ b/src/mame/machine/asteroid.cpp
@@ -120,7 +120,7 @@ WRITE8_MEMBER(asteroid_state::astdelux_led_w)
void asteroid_state::machine_start()
{
/* configure RAM banks if present (not on llander) */
- if (m_ram1.target() != NULL)
+ if (m_ram1.target() != nullptr)
{
UINT8 *ram1 = reinterpret_cast<UINT8 *>(memshare("ram1")->ptr());
UINT8 *ram2 = reinterpret_cast<UINT8 *>(memshare("ram2")->ptr());
@@ -139,7 +139,7 @@ void asteroid_state::machine_reset()
m_dvg->reset_w(m_maincpu->space(AS_PROGRAM), 0, 0);
/* reset RAM banks if present */
- if (m_ram1.target() != NULL)
+ if (m_ram1.target() != nullptr)
{
m_ram1->set_entry(0);
m_ram2->set_entry(0);