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-rw-r--r--src/emu/diserial.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/src/emu/diserial.h b/src/emu/diserial.h
index e1e2a447dff..7d7717c5158 100644
--- a/src/emu/diserial.h
+++ b/src/emu/diserial.h
@@ -105,8 +105,8 @@ protected:
u8 serial_helper_get_parity(u8 data) { return m_serial_parity_table[data]; }
- bool is_receive_register_full();
- bool is_transmit_register_empty();
+ bool is_receive_register_full() const { return m_rcv_flags & RECEIVE_REGISTER_FULL; }
+ bool is_transmit_register_empty() const { return m_tra_flags & TRANSMIT_REGISTER_EMPTY; }
bool is_receive_register_synchronized() const { return m_rcv_flags & RECEIVE_REGISTER_SYNCHRONISED; }
bool is_receive_register_shifting() const { return m_rcv_bit_count_received > 0; }
bool is_receive_framing_error() const { return m_rcv_framing_error; }