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Diffstat (limited to 'src/mame/drivers/kingdrby.cpp')
-rw-r--r--src/mame/drivers/kingdrby.cpp6
1 files changed, 4 insertions, 2 deletions
diff --git a/src/mame/drivers/kingdrby.cpp b/src/mame/drivers/kingdrby.cpp
index 367adcebde6..0afc83e0307 100644
--- a/src/mame/drivers/kingdrby.cpp
+++ b/src/mame/drivers/kingdrby.cpp
@@ -994,7 +994,8 @@ MACHINE_CONFIG_START(kingdrby_state::kingdrby)
MCFG_SOUND_ROUTE(ALL_OUTPUTS, "mono", 0.25)
MACHINE_CONFIG_END
-MACHINE_CONFIG_DERIVED(kingdrby_state::kingdrbb, kingdrby)
+MACHINE_CONFIG_START(kingdrby_state::kingdrbb)
+ kingdrby(config);
MCFG_CPU_MODIFY("slave")
MCFG_CPU_PROGRAM_MAP(slave_1986_map)
@@ -1017,7 +1018,8 @@ MACHINE_CONFIG_DERIVED(kingdrby_state::kingdrbb, kingdrby)
/* actually unused */
MACHINE_CONFIG_END
-MACHINE_CONFIG_DERIVED(kingdrby_state::cowrace, kingdrbb)
+MACHINE_CONFIG_START(kingdrby_state::cowrace)
+ kingdrbb(config);
MCFG_CPU_MODIFY("soundcpu")
MCFG_CPU_PROGRAM_MAP(cowrace_sound_map)