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Diffstat (limited to 'src/mame/drivers/calomega.cpp')
-rw-r--r--src/mame/drivers/calomega.cpp9
1 files changed, 6 insertions, 3 deletions
diff --git a/src/mame/drivers/calomega.cpp b/src/mame/drivers/calomega.cpp
index 6760a72f17b..3e1f0d54f70 100644
--- a/src/mame/drivers/calomega.cpp
+++ b/src/mame/drivers/calomega.cpp
@@ -2616,7 +2616,8 @@ MACHINE_CONFIG_START(calomega_state::sys903)
MACHINE_CONFIG_END
-MACHINE_CONFIG_DERIVED(calomega_state::s903mod, sys903)
+MACHINE_CONFIG_START(calomega_state::s903mod)
+ sys903(config);
/* basic machine hardware */
@@ -2633,7 +2634,8 @@ MACHINE_CONFIG_DERIVED(calomega_state::s903mod, sys903)
MACHINE_CONFIG_END
-MACHINE_CONFIG_DERIVED(calomega_state::sys905, sys903)
+MACHINE_CONFIG_START(calomega_state::sys905)
+ sys903(config);
/* basic machine hardware */
@@ -2657,7 +2659,8 @@ MACHINE_CONFIG_DERIVED(calomega_state::sys905, sys903)
MACHINE_CONFIG_END
-MACHINE_CONFIG_DERIVED(calomega_state::sys906, sys903)
+MACHINE_CONFIG_START(calomega_state::sys906)
+ sys903(config);
/* basic machine hardware */