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-rw-r--r--src/mame/drivers/snk6502.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/mame/drivers/snk6502.cpp b/src/mame/drivers/snk6502.cpp
index 94b5ed0b14f..26f6a78a651 100644
--- a/src/mame/drivers/snk6502.cpp
+++ b/src/mame/drivers/snk6502.cpp
@@ -852,7 +852,7 @@ void snk6502_state::satansat(machine_config &config)
void snk6502_state::vanguard(machine_config &config)
{
// basic machine hardware
- M6502(config, m_maincpu, MASTER_CLOCK / 16); // adjusted using common divisor
+ M6502(config, m_maincpu, MASTER_CLOCK / 8); // runs twice as fast as CRTC
m_maincpu->set_addrmap(AS_PROGRAM, &snk6502_state::vanguard_map);
m_maincpu->set_vblank_int("screen", FUNC(snk6502_state::snk6502_interrupt));