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Diffstat (limited to 'src/mame/drivers/r2dx_v33.cpp')
-rw-r--r--src/mame/drivers/r2dx_v33.cpp3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/mame/drivers/r2dx_v33.cpp b/src/mame/drivers/r2dx_v33.cpp
index eaf8ec43382..e828666cc7f 100644
--- a/src/mame/drivers/r2dx_v33.cpp
+++ b/src/mame/drivers/r2dx_v33.cpp
@@ -857,7 +857,8 @@ MACHINE_CONFIG_START(r2dx_v33_state::nzerotea)
MCFG_SEIBU_SOUND_YM_WRITE_CB(DEVWRITE8("ymsnd", ym3812_device, write))
MACHINE_CONFIG_END
-MACHINE_CONFIG_DERIVED(r2dx_v33_state::zerotm2k, nzerotea)
+MACHINE_CONFIG_START(r2dx_v33_state::zerotm2k)
+ nzerotea(config);
MCFG_CPU_MODIFY("maincpu")
MCFG_CPU_PROGRAM_MAP(zerotm2k_map)