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Diffstat (limited to 'src/mame/drivers/bitgraph.cpp')
-rw-r--r--src/mame/drivers/bitgraph.cpp4
1 files changed, 2 insertions, 2 deletions
diff --git a/src/mame/drivers/bitgraph.cpp b/src/mame/drivers/bitgraph.cpp
index e1a30682262..9a9ce66db6a 100644
--- a/src/mame/drivers/bitgraph.cpp
+++ b/src/mame/drivers/bitgraph.cpp
@@ -280,10 +280,10 @@ WRITE8_MEMBER(bitgraph_state::pia_pb_w)
switch (m_pia_b & 0x03)
{
case 2:
- m_psg->data_w(space, 0, m_pia_a);
+ m_psg->data_w(m_pia_a);
break;
case 3:
- m_psg->address_w(space, 0, m_pia_a);
+ m_psg->address_w(m_pia_a);
break;
}