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-rw-r--r--src/mame/drivers/vaportra.cpp1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/mame/drivers/vaportra.cpp b/src/mame/drivers/vaportra.cpp
index f19667d6b41..f196a9a3650 100644
--- a/src/mame/drivers/vaportra.cpp
+++ b/src/mame/drivers/vaportra.cpp
@@ -217,6 +217,7 @@ void vaportra_state::vaportra(machine_config &config)
H6280(config, m_audiocpu, XTAL(24'000'000)/4); /* Custom chip 45; Audio section crystal is 32.220 MHz but CPU clock is confirmed as coming from the 24MHz crystal (6Mhz exactly on the CPU) */
m_audiocpu->set_addrmap(AS_PROGRAM, &vaportra_state::sound_map);
m_audiocpu->add_route(ALL_OUTPUTS, "mono", 0); // internal sound unused
+ m_audiocpu->set_timer_scale(2);
/* video hardware */
BUFFERED_SPRITERAM16(config, m_spriteram);