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Diffstat (limited to 'src/mame/drivers/terracre.cpp')
-rw-r--r--src/mame/drivers/terracre.cpp9
1 files changed, 6 insertions, 3 deletions
diff --git a/src/mame/drivers/terracre.cpp b/src/mame/drivers/terracre.cpp
index e8551ff4f44..0d3cb8bbadb 100644
--- a/src/mame/drivers/terracre.cpp
+++ b/src/mame/drivers/terracre.cpp
@@ -613,7 +613,8 @@ MACHINE_CONFIG_START(terracre_state::ym3526)
MCFG_SOUND_ROUTE_EX(0, "dac2", 1.0, DAC_VREF_POS_INPUT) MCFG_SOUND_ROUTE_EX(0, "dac2", -1.0, DAC_VREF_NEG_INPUT)
MACHINE_CONFIG_END
-MACHINE_CONFIG_DERIVED(terracre_state::ym2203, ym3526)
+MACHINE_CONFIG_START(terracre_state::ym2203)
+ ym3526(config);
MCFG_CPU_MODIFY("audiocpu")
MCFG_CPU_IO_MAP(sound_2203_io_map)
@@ -626,14 +627,16 @@ MACHINE_CONFIG_DERIVED(terracre_state::ym2203, ym3526)
MCFG_SOUND_ROUTE(3, "speaker", 0.4)
MACHINE_CONFIG_END
-MACHINE_CONFIG_DERIVED(terracre_state::amazon_base, ym3526)
+MACHINE_CONFIG_START(terracre_state::amazon_base)
+ ym3526(config);
MCFG_CPU_MODIFY("maincpu")
MCFG_CPU_PROGRAM_MAP(amazon_base_map)
MCFG_MACHINE_START_OVERRIDE(terracre_state,amazon)
MACHINE_CONFIG_END
-MACHINE_CONFIG_DERIVED(terracre_state::amazon_1412m2, amazon_base)
+MACHINE_CONFIG_START(terracre_state::amazon_1412m2)
+ amazon_base(config);
MCFG_CPU_MODIFY("maincpu")
MCFG_CPU_PROGRAM_MAP(amazon_1412m2_map)