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mc68681: idle tx lines after transmitter reset

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This commit is contained in:
Patrick Mackinlay 2023-08-14 18:18:03 +07:00
parent b2eca532cc
commit 0684d286ad
1 changed files with 6 additions and 0 deletions
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6
src/devices/machine/mc68681.cpp
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@ -1557,9 +1557,15 @@ void duart_channel::write_CR(uint8_t data)
case 3: /* Reset channel transmitter */
SR &= ~(STATUS_TRANSMITTER_READY | STATUS_TRANSMITTER_EMPTY);
if (m_ch == 0)
{
m_uart->write_a_tx(1);
m_uart->clear_ISR_bits(INT_TXRDYA);
}
else
{
m_uart->write_b_tx(1);
m_uart->clear_ISR_bits(INT_TXRDYB);
}
transmit_register_reset();
m_bits_transmitted = 255;
m_tx_data_in_buffer = false;