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Diffstat (limited to 'src/mame/drivers/metro.cpp')
-rw-r--r--src/mame/drivers/metro.cpp8
1 files changed, 8 insertions, 0 deletions
diff --git a/src/mame/drivers/metro.cpp b/src/mame/drivers/metro.cpp
index 326fed89d0b..6b0fe78b2f5 100644
--- a/src/mame/drivers/metro.cpp
+++ b/src/mame/drivers/metro.cpp
@@ -3154,6 +3154,10 @@ static MACHINE_CONFIG_DERIVED( bangball, msgogo )
MCFG_CPU_PROGRAM_MAP(bangball_map)
MCFG_CPU_VBLANK_INT_DRIVER("screen", metro_state, metro_vblank_interrupt)
MCFG_CPU_PERIODIC_INT_DRIVER(metro_state, metro_periodic_interrupt, 60) // ?
+
+ // doesn't like 58.2 Hz
+ MCFG_DEVICE_MODIFY("screen")
+ MCFG_SCREEN_REFRESH_RATE(60)
MACHINE_CONFIG_END
static MACHINE_CONFIG_DERIVED( batlbubl, msgogo )
@@ -3161,6 +3165,10 @@ static MACHINE_CONFIG_DERIVED( batlbubl, msgogo )
MCFG_CPU_PROGRAM_MAP(batlbubl_map)
MCFG_CPU_VBLANK_INT_DRIVER("screen", metro_state, metro_vblank_interrupt)
MCFG_CPU_PERIODIC_INT_DRIVER(metro_state, metro_periodic_interrupt, 60) // ?
+
+ // doesn't like 58.2 Hz
+ MCFG_DEVICE_MODIFY("screen")
+ MCFG_SCREEN_REFRESH_RATE(60)
MACHINE_CONFIG_END