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Diffstat (limited to 'src/mame/drivers/nascom1.cpp')
-rw-r--r--src/mame/drivers/nascom1.cpp9
1 files changed, 6 insertions, 3 deletions
diff --git a/src/mame/drivers/nascom1.cpp b/src/mame/drivers/nascom1.cpp
index b42bed005de..31a4db03a0e 100644
--- a/src/mame/drivers/nascom1.cpp
+++ b/src/mame/drivers/nascom1.cpp
@@ -688,13 +688,15 @@ MACHINE_CONFIG_START(nascom_state::nascom)
MCFG_SNAPSHOT_ADD("snapshot", nascom_state, nascom1, "nas", 0.5)
MACHINE_CONFIG_END
-MACHINE_CONFIG_DERIVED(nascom1_state::nascom1, nascom)
+MACHINE_CONFIG_START(nascom1_state::nascom1)
+ nascom(config);
MCFG_CPU_ADD("maincpu", Z80, XTAL(16'000'000) / 8)
MCFG_CPU_PROGRAM_MAP(nascom1_mem)
MCFG_CPU_IO_MAP(nascom1_io)
MACHINE_CONFIG_END
-MACHINE_CONFIG_DERIVED(nascom2_state::nascom2, nascom)
+MACHINE_CONFIG_START(nascom2_state::nascom2)
+ nascom(config);
MCFG_CPU_ADD("maincpu", Z80, XTAL(16'000'000) / 4)
MCFG_CPU_PROGRAM_MAP(nascom2_mem)
MCFG_CPU_IO_MAP(nascom2_io)
@@ -728,7 +730,8 @@ MACHINE_CONFIG_DERIVED(nascom2_state::nascom2, nascom)
MCFG_SOFTWARE_LIST_ADD("floppy_list", "nascom_flop")
MACHINE_CONFIG_END
-MACHINE_CONFIG_DERIVED(nascom2_state::nascom2c, nascom2)
+MACHINE_CONFIG_START(nascom2_state::nascom2c)
+ nascom2(config);
MCFG_CPU_MODIFY("maincpu")
MCFG_CPU_PROGRAM_MAP(nascom2c_mem)