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Diffstat (limited to 'src/mame/drivers/segaybd.cpp')
-rw-r--r--src/mame/drivers/segaybd.cpp6
1 files changed, 4 insertions, 2 deletions
diff --git a/src/mame/drivers/segaybd.cpp b/src/mame/drivers/segaybd.cpp
index 2d8898279f6..dc91aadaaee 100644
--- a/src/mame/drivers/segaybd.cpp
+++ b/src/mame/drivers/segaybd.cpp
@@ -1382,7 +1382,8 @@ MACHINE_CONFIG_END
// irq at 0x28 is from MB8421, and irq at 0x38 probably from MB89372?
-MACHINE_CONFIG_DERIVED(segaybd_state::yboard_link, yboard)
+MACHINE_CONFIG_START(segaybd_state::yboard_link)
+ yboard(config);
// basic machine hardware
MCFG_CPU_MODIFY("maincpu")
@@ -1397,7 +1398,8 @@ MACHINE_CONFIG_DERIVED(segaybd_state::yboard_link, yboard)
MCFG_MB8421_INTR_HANDLER(WRITELINE(segaybd_state, mb8421_intr))
MACHINE_CONFIG_END
-MACHINE_CONFIG_DERIVED(segaybd_state::yboard_deluxe, yboard)
+MACHINE_CONFIG_START(segaybd_state::yboard_deluxe)
+ yboard(config);
// basic machine hardware
MCFG_CPU_ADD("motorcpu", Z80, XTAL(16'000'000)/2 ) // 8 Mhz(guessed)