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z80dart: Stop resetting receiver whenever WR5 changes

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This commit is contained in:
AJR 2018-11-07 19:15:52 -05:00
parent 30b00e6dcc
commit 2e055e891b
1 changed files with 3 additions and 2 deletions
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5
src/devices/machine/z80dart.cpp
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@ -920,7 +920,8 @@ void z80dart_channel::control_write(uint8_t data)
LOG("Z80DART \"%s\" Channel %c : Request to Send %u\n", owner()->tag(), 'A' + m_index, (data & WR5_RTS) ? 1 : 0);
LOG("Z80DART \"%s\" Channel %c : Data Terminal Ready %u\n", owner()->tag(), 'A' + m_index, (data & WR5_DTR) ? 1 : 0);
if (data != prev)
// don't update if parameters haven't changed; in fact, don't update at all since these ones are currently unused
if (0 && (data & WR5_TX_WORD_LENGTH_MASK) != (prev & WR5_TX_WORD_LENGTH_MASK))
update_serial();
if (data & WR5_RTS)
@ -1271,7 +1272,7 @@ void z80dart_channel::update_serial()
{
set_tra_rate(m_txc / clocks);
}
receive_register_reset(); // if stop bits is changed from 0, receive register has to be reset
receive_register_reset(); // if stop bits is changed from 0, receive register has to be reset (FIXME: doing this without checking is stupid)
}