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-rw-r--r--src/mame/drivers/model1.cpp6
1 files changed, 4 insertions, 2 deletions
diff --git a/src/mame/drivers/model1.cpp b/src/mame/drivers/model1.cpp
index 08cababe5bd..840027e4cdd 100644
--- a/src/mame/drivers/model1.cpp
+++ b/src/mame/drivers/model1.cpp
@@ -1653,7 +1653,8 @@ MACHINE_CONFIG_START(model1_state::model1)
MCFG_M1COMM_ADD("m1comm")
MACHINE_CONFIG_END
-MACHINE_CONFIG_DERIVED(model1_state::swa, model1)
+MACHINE_CONFIG_START(model1_state::swa)
+ model1(config);
MCFG_SPEAKER_STANDARD_STEREO("dleft", "dright")
MCFG_DSBZ80_ADD(DSBZ80_TAG)
MCFG_SOUND_ROUTE(0, "dleft", 1.0)
@@ -1671,7 +1672,8 @@ ADDRESS_MAP_START(model1_state::polhemus_map)
AM_RANGE(0xf8000, 0xfffff) AM_ROM AM_REGION("polhemus", 0)
ADDRESS_MAP_END
-MACHINE_CONFIG_DERIVED(model1_state::netmerc, model1)
+MACHINE_CONFIG_START(model1_state::netmerc)
+ model1(config);
MCFG_CPU_ADD("polhemus", I386SX, 16000000)
MCFG_CPU_PROGRAM_MAP(polhemus_map)
MACHINE_CONFIG_END