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Diffstat (limited to 'src/devices/sound/upd7759.cpp')
-rw-r--r--src/devices/sound/upd7759.cpp16
1 files changed, 8 insertions, 8 deletions
diff --git a/src/devices/sound/upd7759.cpp b/src/devices/sound/upd7759.cpp
index 4b7d4e13a18..a7e0491687f 100644
--- a/src/devices/sound/upd7759.cpp
+++ b/src/devices/sound/upd7759.cpp
@@ -147,7 +147,7 @@
upd775x_device::upd775x_device(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, UINT32 clock, const char *shortname, const char *source)
: device_t(mconfig, type, name, tag, owner, clock, shortname, source),
device_sound_interface(mconfig, *this),
- m_channel(NULL),
+ m_channel(nullptr),
m_sample_offset_shift(0),
m_pos(0),
m_step(0),
@@ -171,8 +171,8 @@ upd775x_device::upd775x_device(const machine_config &mconfig, device_type type,
m_adpcm_state(0),
m_adpcm_data(0),
m_sample(0),
- m_rom(NULL),
- m_rombase(NULL),
+ m_rom(nullptr),
+ m_rombase(nullptr),
m_romoffset(0),
m_rommask(0),
m_drqcallback(*this)
@@ -183,14 +183,14 @@ const device_type UPD7759 = &device_creator<upd7759_device>;
upd7759_device::upd7759_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock)
: upd775x_device(mconfig, UPD7759, "uPD7759", tag, owner, clock, "upd7759", __FILE__),
- m_timer(NULL)
+ m_timer(nullptr)
{
}
upd7759_device::upd7759_device(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, UINT32 clock, const char *shortname, const char *source)
: upd775x_device(mconfig, type, name, tag, owner, clock, shortname, source),
- m_timer(NULL)
+ m_timer(nullptr)
{
}
@@ -232,7 +232,7 @@ void upd7759_device::device_start()
/* compute the ROM base or allocate a timer */
m_romoffset = 0;
m_rom = m_rombase = region()->base();
- if (m_rombase == NULL)
+ if (m_rombase == nullptr)
{
assert(type() == UPD7759); // other chips do not support slave mode
m_timer = timer_alloc(TIMER_SLAVE_UPDATE);
@@ -307,7 +307,7 @@ void upd7756_device::device_start()
/* compute the ROM base or allocate a timer */
m_romoffset = 0;
m_rom = m_rombase = region()->base();
- if (m_rombase == NULL)
+ if (m_rombase == nullptr)
{
m_rommask = 0;
}
@@ -800,7 +800,7 @@ READ_LINE_MEMBER( upd775x_device::busy_r )
void upd775x_device::set_bank_base(UINT32 base)
{
- assert(m_rombase != NULL);
+ assert(m_rombase != nullptr);
m_rom = m_rombase + base;
m_romoffset = base;
}