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Diffstat (limited to 'src/mame/drivers/bitgraph.cpp')
-rw-r--r--src/mame/drivers/bitgraph.cpp7
1 files changed, 4 insertions, 3 deletions
diff --git a/src/mame/drivers/bitgraph.cpp b/src/mame/drivers/bitgraph.cpp
index d4e87b632a2..3c5050c5901 100644
--- a/src/mame/drivers/bitgraph.cpp
+++ b/src/mame/drivers/bitgraph.cpp
@@ -292,8 +292,9 @@ WRITE8_MEMBER(bitgraph_state::pia_pb_w)
DBG_LOG(2, "EAROM", ("data <- %02X\n", m_pia_a));
m_earom->set_data(m_pia_a);
}
- // CS1, ~CS2, C1, C2, CK
- m_earom->set_control(BIT(m_pia_b, 3), BIT(m_pia_b, 3), BIT(m_pia_a, 6), BIT(m_pia_a, 7), BIT(m_pia_b, 2));
+ // CS1, ~CS2, C1, C2
+ m_earom->set_control(BIT(m_pia_b, 3), BIT(m_pia_b, 3), BIT(m_pia_a, 6), BIT(m_pia_a, 7));
+ m_earom->set_clk(BIT(m_pia_b, 2));
if (!BIT(m_pia_b, 6))
{
@@ -549,7 +550,7 @@ MACHINE_CONFIG_START(bitgraph_state::bg_motherboard)
MCFG_PIA_READPB_HANDLER(READ8(bitgraph_state, pia_pb_r))
MCFG_PIA_WRITEPB_HANDLER(WRITE8(bitgraph_state, pia_pb_w))
- MCFG_ER2055_ADD(EAROM_TAG)
+ MCFG_DEVICE_ADD(EAROM_TAG, ER2055, 0)
MCFG_SPEAKER_STANDARD_MONO("mono")
MCFG_SOUND_ADD(PSG_TAG, AY8912, XTAL(1'294'400))