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Diffstat (limited to 'src/mame/machine/psion_pack.cpp')
-rw-r--r--src/mame/machine/psion_pack.cpp6
1 files changed, 3 insertions, 3 deletions
diff --git a/src/mame/machine/psion_pack.cpp b/src/mame/machine/psion_pack.cpp
index d5ca2da2324..eef4bdc4709 100644
--- a/src/mame/machine/psion_pack.cpp
+++ b/src/mame/machine/psion_pack.cpp
@@ -128,7 +128,7 @@ void datapack_device::update()
if ((m_control & DP_LINE_OUTPUT_ENABLE) && !(m_control & DP_LINE_RESET))
{
// write data
- if (software_entry() == NULL && (m_id & DP_ID_WRITE))
+ if (software_entry() == nullptr && (m_id & DP_ID_WRITE))
{
fseek(pack_addr + OPK_HEAD_SIZE, SEEK_SET);
fwrite(&m_data, 1);
@@ -164,7 +164,7 @@ void datapack_device::update()
else if (!(m_control & DP_LINE_OUTPUT_ENABLE) && (m_control & DP_LINE_RESET))
{
// read datapack ID
- if ((m_id & DP_ID_EPROM) || software_entry() != NULL)
+ if ((m_id & DP_ID_EPROM) || software_entry() != nullptr)
m_data = m_id;
else
m_data = 0x01; // for identify RAM pack
@@ -282,7 +282,7 @@ bool datapack_device::call_create(int format_type, option_resolution *create_arg
{
static const UINT8 opk_head[6] = {'O', 'P', 'K', 0x00, 0x00, 0x00};
- if (create_args != NULL)
+ if (create_args != nullptr)
{
m_id = 0x40;
m_id |= (option_resolution_lookup_int(create_args, 'R')) ? 0x00 : 0x02;