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Diffstat (limited to 'src/mame/drivers/astrohome.cpp')
-rw-r--r--src/mame/drivers/astrohome.cpp4
1 files changed, 2 insertions, 2 deletions
diff --git a/src/mame/drivers/astrohome.cpp b/src/mame/drivers/astrohome.cpp
index f453befaa2e..7b08a693956 100644
--- a/src/mame/drivers/astrohome.cpp
+++ b/src/mame/drivers/astrohome.cpp
@@ -208,10 +208,10 @@ static MACHINE_CONFIG_START( astrocde, astrocde_mess_state )
MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 1.00)
/* expansion port */
- MCFG_ASTROCADE_EXPANSION_SLOT_ADD("exp", astrocade_exp, NULL)
+ MCFG_ASTROCADE_EXPANSION_SLOT_ADD("exp", astrocade_exp, nullptr)
/* cartridge */
- MCFG_ASTROCADE_CARTRIDGE_ADD("cartslot", astrocade_cart, NULL)
+ MCFG_ASTROCADE_CARTRIDGE_ADD("cartslot", astrocade_cart, nullptr)
/* Software lists */
MCFG_SOFTWARE_LIST_ADD("cart_list","astrocde")