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-rw-r--r--src/mame/drivers/risc2500.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/mame/drivers/risc2500.cpp b/src/mame/drivers/risc2500.cpp
index 67b3474a9d6..6ed80ed48ed 100644
--- a/src/mame/drivers/risc2500.cpp
+++ b/src/mame/drivers/risc2500.cpp
@@ -321,7 +321,7 @@ void risc2500_state::risc2500(machine_config &config)
ARM(config, m_maincpu, XTAL(28'322'000) / 2); // VY86C010
m_maincpu->set_addrmap(AS_PROGRAM, &risc2500_state::risc2500_mem);
m_maincpu->set_copro_type(arm_cpu_device::copro_type::VL86C020);
- m_maincpu->set_periodic_int(FUNC(risc2500_state::irq1_line_hold), attotime::from_hz(250));
+ m_maincpu->set_periodic_int(FUNC(risc2500_state::irq1_line_hold), attotime::from_hz(256));
screen_device &screen(SCREEN(config, "screen", SCREEN_TYPE_LCD));
screen.set_refresh_hz(50);