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Diffstat (limited to 'src/mame/drivers/gb.cpp')
-rw-r--r--src/mame/drivers/gb.cpp6
1 files changed, 3 insertions, 3 deletions
diff --git a/src/mame/drivers/gb.cpp b/src/mame/drivers/gb.cpp
index 54872914d4e..d5f7331e43b 100644
--- a/src/mame/drivers/gb.cpp
+++ b/src/mame/drivers/gb.cpp
@@ -779,7 +779,7 @@ static MACHINE_CONFIG_START( gameboy, gb_state )
MCFG_SOUND_ROUTE(1, "rspeaker", 0.50)
/* cartslot */
- MCFG_GB_CARTRIDGE_ADD("gbslot", gb_cart, NULL)
+ MCFG_GB_CARTRIDGE_ADD("gbslot", gb_cart, nullptr)
MCFG_SOFTWARE_LIST_ADD("cart_list","gameboy")
MCFG_SOFTWARE_LIST_COMPATIBLE_ADD("gbc_list","gbcolor")
@@ -890,7 +890,7 @@ static MACHINE_CONFIG_START( gbcolor, gb_state )
MCFG_RAM_DEFAULT_SIZE("48K") /* 2 pages of 8KB VRAM, 8 pages of 4KB RAM */
/* cartslot */
- MCFG_GB_CARTRIDGE_ADD("gbslot", gb_cart, NULL)
+ MCFG_GB_CARTRIDGE_ADD("gbslot", gb_cart, nullptr)
MCFG_SOFTWARE_LIST_ADD("cart_list","gbcolor")
MCFG_SOFTWARE_LIST_COMPATIBLE_ADD("gb_list","gameboy")
@@ -932,7 +932,7 @@ static MACHINE_CONFIG_START( megaduck, megaduck_state )
MCFG_SOUND_ROUTE(1, "rspeaker", 0.50)
/* cartslot */
- MCFG_MEGADUCK_CARTRIDGE_ADD("duckslot", megaduck_cart, NULL)
+ MCFG_MEGADUCK_CARTRIDGE_ADD("duckslot", megaduck_cart, nullptr)
MCFG_SOFTWARE_LIST_ADD("cart_list", "megaduck")
MACHINE_CONFIG_END