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Diffstat (limited to 'src/mame/drivers/apple2.cpp')
-rw-r--r--src/mame/drivers/apple2.cpp22
1 files changed, 11 insertions, 11 deletions
diff --git a/src/mame/drivers/apple2.cpp b/src/mame/drivers/apple2.cpp
index 09dc4cc510f..0807f9ee53d 100644
--- a/src/mame/drivers/apple2.cpp
+++ b/src/mame/drivers/apple2.cpp
@@ -603,7 +603,7 @@ READ8_MEMBER(napple2_state::c080_r)
offset &= 0x7F;
slot = offset / 0x10;
- if (m_slotdevice[slot] != NULL)
+ if (m_slotdevice[slot] != nullptr)
{
return m_slotdevice[slot]->read_c0nx(space, offset % 0x10);
}
@@ -619,7 +619,7 @@ WRITE8_MEMBER(napple2_state::c080_w)
offset &= 0x7F;
slot = offset / 0x10;
- if (m_slotdevice[slot] != NULL)
+ if (m_slotdevice[slot] != nullptr)
{
m_slotdevice[slot]->write_c0nx(space, offset % 0x10, data);
}
@@ -631,7 +631,7 @@ READ8_MEMBER(napple2_state::c100_r)
slotnum = ((offset>>8) & 0xf) + 1;
- if (m_slotdevice[slotnum] != NULL)
+ if (m_slotdevice[slotnum] != nullptr)
{
if ((m_slotdevice[slotnum]->take_c800()) && (!space.debugger_access()))
{
@@ -650,7 +650,7 @@ WRITE8_MEMBER(napple2_state::c100_w)
slotnum = ((offset>>8) & 0xf) + 1;
- if (m_slotdevice[slotnum] != NULL)
+ if (m_slotdevice[slotnum] != nullptr)
{
if ((m_slotdevice[slotnum]->take_c800()) && (!space.debugger_access()))
{
@@ -669,7 +669,7 @@ READ8_MEMBER(napple2_state::c800_r)
return 0xff;
}
- if ((m_cnxx_slot != -1) && (m_slotdevice[m_cnxx_slot] != NULL))
+ if ((m_cnxx_slot != -1) && (m_slotdevice[m_cnxx_slot] != nullptr))
{
return m_slotdevice[m_cnxx_slot]->read_c800(space, offset&0xfff);
}
@@ -685,7 +685,7 @@ WRITE8_MEMBER(napple2_state::c800_w)
return;
}
- if ((m_cnxx_slot != -1) && (m_slotdevice[m_cnxx_slot] != NULL))
+ if ((m_cnxx_slot != -1) && (m_slotdevice[m_cnxx_slot] != nullptr))
{
m_slotdevice[m_cnxx_slot]->write_c800(space, offset&0xfff, data);
}
@@ -1318,13 +1318,13 @@ static MACHINE_CONFIG_START( apple2_common, napple2_state )
MCFG_A2BUS_OUT_NMI_CB(WRITELINE(napple2_state, a2bus_nmi_w))
MCFG_A2BUS_OUT_INH_CB(WRITELINE(napple2_state, a2bus_inh_w))
MCFG_A2BUS_SLOT_ADD(A2_BUS_TAG, "sl0", apple2_slot0_cards, "lang")
- MCFG_A2BUS_SLOT_ADD(A2_BUS_TAG, "sl1", apple2_cards, NULL)
- MCFG_A2BUS_SLOT_ADD(A2_BUS_TAG, "sl2", apple2_cards, NULL)
- MCFG_A2BUS_SLOT_ADD(A2_BUS_TAG, "sl3", apple2_cards, NULL)
+ MCFG_A2BUS_SLOT_ADD(A2_BUS_TAG, "sl1", apple2_cards, nullptr)
+ MCFG_A2BUS_SLOT_ADD(A2_BUS_TAG, "sl2", apple2_cards, nullptr)
+ MCFG_A2BUS_SLOT_ADD(A2_BUS_TAG, "sl3", apple2_cards, nullptr)
MCFG_A2BUS_SLOT_ADD(A2_BUS_TAG, "sl4", apple2_cards, "mockingboard")
- MCFG_A2BUS_SLOT_ADD(A2_BUS_TAG, "sl5", apple2_cards, NULL)
+ MCFG_A2BUS_SLOT_ADD(A2_BUS_TAG, "sl5", apple2_cards, nullptr)
MCFG_A2BUS_SLOT_ADD(A2_BUS_TAG, "sl6", apple2_cards, "diskiing")
- MCFG_A2BUS_SLOT_ADD(A2_BUS_TAG, "sl7", apple2_cards, NULL)
+ MCFG_A2BUS_SLOT_ADD(A2_BUS_TAG, "sl7", apple2_cards, nullptr)
MCFG_SOFTWARE_LIST_ADD("flop525_list","apple2")