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Diffstat (limited to 'src/mame/machine/apple2gs.cpp')
-rw-r--r--src/mame/machine/apple2gs.cpp14
1 files changed, 7 insertions, 7 deletions
diff --git a/src/mame/machine/apple2gs.cpp b/src/mame/machine/apple2gs.cpp
index 4f7f64f0f7c..132ed6e8dca 100644
--- a/src/mame/machine/apple2gs.cpp
+++ b/src/mame/machine/apple2gs.cpp
@@ -247,7 +247,7 @@ const char *apple2gs_state::apple2gs_irq_name(UINT16 irq_mask)
case IRQ_DOC: return "IRQ_DOC";
case IRQ_SLOT: return "IRQ_SLOT";
}
- return NULL;
+ return nullptr;
}
void apple2gs_state::apple2gs_add_irq(UINT16 irq_mask)
@@ -1638,7 +1638,7 @@ UINT8 apple2gs_state::apple2gs_xxCxxx_r(address_space &space, offs_t address)
else
{
// accessing a slot mapped to "Your Card", C800 should belong to that card
- if (slotdevice != NULL)
+ if (slotdevice != nullptr)
{
if (slotdevice->take_c800())
{
@@ -1655,7 +1655,7 @@ UINT8 apple2gs_state::apple2gs_xxCxxx_r(address_space &space, offs_t address)
}
else // C800-CFFF, not cards
{
- slotdevice = NULL;
+ slotdevice = nullptr;
// if CFFF accessed, reset C800 area to internal ROM
if(!space.debugger_access())
@@ -1730,7 +1730,7 @@ void apple2gs_state::apple2gs_xxCxxx_w(address_space &space, offs_t address, UIN
else
{
// accessing a slot mapped to "Your Card", C800 should belong to that card if it can take it
- if (slotdevice != NULL)
+ if (slotdevice != nullptr)
{
if (slotdevice->take_c800())
{
@@ -1744,7 +1744,7 @@ void apple2gs_state::apple2gs_xxCxxx_w(address_space &space, offs_t address, UIN
}
else // C800-CFFF, not cards
{
- slotdevice = NULL;
+ slotdevice = nullptr;
// if CFFF accessed, reset C800 area to internal ROM
if ((address & 0xfff) == 0xfff)
@@ -1908,7 +1908,7 @@ MACHINE_RESET_MEMBER(apple2gs_state,apple2gs)
// call "base class" machine reset to set up m_rambase and the language card
machine_reset();
- m_cur_slot6_image = NULL;
+ m_cur_slot6_image = nullptr;
m_newvideo = 0x00;
m_vgcint = 0x00;
m_langsel = 0x00;
@@ -1961,7 +1961,7 @@ MACHINE_START_MEMBER(apple2gs_state,apple2gscommon)
apple2gs_refresh_delegates();
m_machinetype = APPLE_IIGS;
- apple2eplus_init_common(NULL);
+ apple2eplus_init_common(nullptr);
/* set up Apple IIgs vectoring */
m_maincpu->set_read_vector_callback(read8_delegate(FUNC(apple2gs_state::apple2gs_read_vector),this));