summaryrefslogtreecommitdiffstatshomepage
path: root/src/mame/drivers/thayers.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'src/mame/drivers/thayers.cpp')
-rw-r--r--src/mame/drivers/thayers.cpp16
1 files changed, 8 insertions, 8 deletions
diff --git a/src/mame/drivers/thayers.cpp b/src/mame/drivers/thayers.cpp
index 26db8693aef..c481ae0c3b5 100644
--- a/src/mame/drivers/thayers.cpp
+++ b/src/mame/drivers/thayers.cpp
@@ -382,8 +382,8 @@ READ8_MEMBER(thayers_state::dsw_b_r)
READ8_MEMBER(thayers_state::laserdsc_data_r)
{
- if (m_ldv1000 != NULL) return m_ldv1000->status_r();
- if (m_pr7820 != NULL) return m_pr7820->data_r();
+ if (m_ldv1000 != nullptr) return m_ldv1000->status_r();
+ if (m_pr7820 != nullptr) return m_pr7820->data_r();
return 0;
}
@@ -413,12 +413,12 @@ WRITE8_MEMBER(thayers_state::laserdsc_control_w)
if (BIT(data, 5))
{
- if (m_ldv1000 != NULL)
+ if (m_ldv1000 != nullptr)
{
m_ldv1000->data_w(m_laserdisc_data);
m_ldv1000->enter_w(BIT(data, 7) ? CLEAR_LINE : ASSERT_LINE);
}
- if (m_pr7820 != NULL)
+ if (m_pr7820 != nullptr)
{
m_pr7820->data_w(m_laserdisc_data);
m_pr7820_enter = BIT(data, 6) ? CLEAR_LINE : ASSERT_LINE;
@@ -627,15 +627,15 @@ ADDRESS_MAP_END
CUSTOM_INPUT_MEMBER(thayers_state::laserdisc_enter_r)
{
- if (m_pr7820 != NULL) return m_pr7820_enter;
- if (m_ldv1000 != NULL) return (m_ldv1000->status_strobe_r() == ASSERT_LINE) ? 0 : 1;
+ if (m_pr7820 != nullptr) return m_pr7820_enter;
+ if (m_ldv1000 != nullptr) return (m_ldv1000->status_strobe_r() == ASSERT_LINE) ? 0 : 1;
return 0;
}
CUSTOM_INPUT_MEMBER(thayers_state::laserdisc_ready_r)
{
- if (m_pr7820 != NULL) return (m_pr7820->ready_r() == ASSERT_LINE) ? 0 : 1;
- if (m_ldv1000 != NULL) return (m_ldv1000->command_strobe_r() == ASSERT_LINE) ? 0 : 1;
+ if (m_pr7820 != nullptr) return (m_pr7820->ready_r() == ASSERT_LINE) ? 0 : 1;
+ if (m_ldv1000 != nullptr) return (m_ldv1000->command_strobe_r() == ASSERT_LINE) ? 0 : 1;
return 0;
}