diff options
Diffstat (limited to 'src/mame/drivers/thayers.cpp')
-rw-r--r-- | src/mame/drivers/thayers.cpp | 16 |
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; } |