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-rw-r--r--src/mame/drivers/ultim809.cpp3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/mame/drivers/ultim809.cpp b/src/mame/drivers/ultim809.cpp
index 38ca62a6179..8f7e2220cc8 100644
--- a/src/mame/drivers/ultim809.cpp
+++ b/src/mame/drivers/ultim809.cpp
@@ -139,7 +139,8 @@ void ultim809_state::ultim809(machine_config &config)
m_crtc->int_callback().set_inputline(m_maincpu, M6809_IRQ_LINE);
SCREEN(config, "screen", SCREEN_TYPE_RASTER);
- VIA6522(config, m_via, 8000000 / 4);
+ // TBD: what type of VIA is this? It replaced a MC68B21P at some point in development.
+ MOS6522(config, m_via, 8000000 / 4);
// Memory banking: up to 32 banks with inbuilt U8, or replace it with external memory to get the full 4 MB
m_via->writepa_handler().set([this] (u8 data) { m_membank = data & 0x1F; }); // memory banking
//m_via->readpb_handler().set(FUNC(ultim809_state::portb_r)); // serial