diff options
Diffstat (limited to 'src/devices/machine/nvram.cpp')
-rw-r--r-- | src/devices/machine/nvram.cpp | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/src/devices/machine/nvram.cpp b/src/devices/machine/nvram.cpp index 8ea20a58eac..d1e99ceb98b 100644 --- a/src/devices/machine/nvram.cpp +++ b/src/devices/machine/nvram.cpp @@ -26,7 +26,7 @@ nvram_device::nvram_device(const machine_config &mconfig, const char *tag, devic : device_t(mconfig, NVRAM, "NVRAM", tag, owner, clock, "nvram", __FILE__), device_nvram_interface(mconfig, *this), m_default_value(DEFAULT_ALL_1), - m_base(NULL), + m_base(nullptr), m_length(0) { } @@ -79,7 +79,7 @@ void nvram_device::nvram_default() determine_final_base(); // region always wins - if (m_region != NULL) + if (m_region != nullptr) { memcpy(m_base, m_region->base(), m_length); return; @@ -154,16 +154,16 @@ void nvram_device::nvram_write(emu_file &file) void nvram_device::determine_final_base() { // find our shared pointer with the target RAM - if (m_base == NULL) + if (m_base == nullptr) { memory_share *share = owner()->memshare(tag()); - if (share == NULL) + if (share == nullptr) throw emu_fatalerror("NVRAM device '%s' has no corresponding AM_SHARE region", tag()); m_base = share->ptr(); m_length = share->bytes(); } // if we are region-backed for the default, find it now and make sure it's the right size - if (m_region != NULL && m_region->bytes() != m_length) + if (m_region != nullptr && m_region->bytes() != m_length) throw emu_fatalerror("NVRAM device '%s' has a default region, but it should be 0x%" SIZETFMT "X bytes", tag(), m_length); } |