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Diffstat (limited to 'src/devices/cpu/pps41/mm76op.cpp')
-rw-r--r--src/devices/cpu/pps41/mm76op.cpp4
1 files changed, 2 insertions, 2 deletions
diff --git a/src/devices/cpu/pps41/mm76op.cpp b/src/devices/cpu/pps41/mm76op.cpp
index f01dfc77fbf..6cef3dae06d 100644
--- a/src/devices/cpu/pps41/mm76op.cpp
+++ b/src/devices/cpu/pps41/mm76op.cpp
@@ -414,8 +414,8 @@ void mm76_device::op_oa()
void mm76_device::op_ios()
{
- // IOS: start serial I/O
- m_sclock_count = 8;
+ // IOS: start serial I/O (2 cycles per shift, 1st shift at IOS+3)
+ m_sclock_count = 9;
}
void mm76_device::op_i1()