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Diffstat (limited to 'src/mame/drivers/pbaction.cpp')
-rw-r--r--src/mame/drivers/pbaction.cpp3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/mame/drivers/pbaction.cpp b/src/mame/drivers/pbaction.cpp
index 2e09fefd21b..cba2e934d6f 100644
--- a/src/mame/drivers/pbaction.cpp
+++ b/src/mame/drivers/pbaction.cpp
@@ -323,7 +323,8 @@ MACHINE_CONFIG_START(pbaction_state::pbaction)
MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.25)
MACHINE_CONFIG_END
-MACHINE_CONFIG_DERIVED(pbaction_state::pbactionx, pbaction)
+MACHINE_CONFIG_START(pbaction_state::pbactionx)
+ pbaction(config);
MCFG_CPU_REPLACE("maincpu", SEGA_CPU_PBACTIO4, 4000000) /* 4 MHz? */
MCFG_CPU_PROGRAM_MAP(pbaction_map)
MCFG_CPU_VBLANK_INT_DRIVER("screen", pbaction_state, vblank_irq)