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-rw-r--r--src/devices/machine/tms5501.cpp3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/devices/machine/tms5501.cpp b/src/devices/machine/tms5501.cpp
index f7581a30a72..c6ed149ac72 100644
--- a/src/devices/machine/tms5501.cpp
+++ b/src/devices/machine/tms5501.cpp
@@ -267,6 +267,9 @@ READ8_MEMBER( tms5501_device::sta_r )
m_sta &= ~STA_OE;
+ if(is_transmit_register_empty())
+ m_sta |= STA_XBE;
+
return data;
}