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z80scc: don't invent data (nw)

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Patrick Mackinlay 2020-05-06 13:42:52 +07:00
parent 4694bdd46b
commit 505e8a4310
1 changed files with 2 additions and 1 deletions
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src/devices/machine/z80scc.cpp
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@ -1858,6 +1858,7 @@ void z80scc_channel::do_sccreg_wr0(uint8_t data)
of these modes is selected and this command is issued before the data has been read from the
Receive FIFO, the data is lost */
LOGCMD("%s: %c : WR0_ERROR_RESET - not implemented\n", owner()->tag(), 'A' + m_index);
if (m_rx_fifo_wp != m_rx_fifo_rp)
m_rx_fifo_rp_step(); // Reset error state in fifo and unlock it. unlock == step to next slot in fifo.
break;
case WR0_SEND_ABORT: // Flush transmitter and Send 8-13 bits of '1's, used with SDLC