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-rw-r--r--src/mame/drivers/psrockman.cpp4
1 files changed, 2 insertions, 2 deletions
diff --git a/src/mame/drivers/psrockman.cpp b/src/mame/drivers/psrockman.cpp
index 638d0b5f2e2..41990637c99 100644
--- a/src/mame/drivers/psrockman.cpp
+++ b/src/mame/drivers/psrockman.cpp
@@ -118,9 +118,9 @@ void psrockman_state::psrockman(machine_config &config)
ym.port_a_read_callback().set_ioport("DSW1"); // guess
ym.port_b_read_callback().set_ioport("DSW2"); // guess
ym.irq_handler().set_inputline("maincpu", 0); // TODO: with this the game says 係員をお呼びください (Please call staff) over and over
- ym.add_route(ALL_OUTPUTS, "mono", 1.0);
+ ym.add_route(ALL_OUTPUTS, "mono", 0.5);
- OKIM6295(config, "oki", 1056000, okim6295_device::PIN7_LOW).add_route(ALL_OUTPUTS, "mono", 1.0);; // clock frequency & pin 7 not verified
+ OKIM6295(config, "oki", 1056000, okim6295_device::PIN7_HIGH).add_route(ALL_OUTPUTS, "mono", 0.5); // clock frequency & pin 7 not verified
}