diff options
author | 2018-09-16 15:56:20 +0200 | |
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committer | 2018-09-16 15:56:20 +0200 | |
commit | cdb4ae2fab56a624bf8e2ea59f19a57f11ff1109 (patch) | |
tree | e777157fe3d830cc044e1a449ebfcfcce240672a /src/devices/machine/z80dart.cpp | |
parent | 5b7629348cd29c33fb7bec68bf442a3675a417eb (diff) | |
parent | 8be6a48629b5688adbe9d8162a324ff44b5a2669 (diff) |
Merge branch 'master' of https://github.com/mamedev/mame
Diffstat (limited to 'src/devices/machine/z80dart.cpp')
-rw-r--r-- | src/devices/machine/z80dart.cpp | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/src/devices/machine/z80dart.cpp b/src/devices/machine/z80dart.cpp index 9cd968b4620..e692d658fc0 100644 --- a/src/devices/machine/z80dart.cpp +++ b/src/devices/machine/z80dart.cpp @@ -467,7 +467,7 @@ z80dart_channel::z80dart_channel(const machine_config &mconfig, const char *tag, , m_rx_first(0) , m_rx_break(0) , m_rx_rr0_latch(0) - , m_rxd(0) + , m_rxd(1) , m_ri(0) , m_cts(0) , m_dcd(0) @@ -802,7 +802,7 @@ void z80dart_channel::control_write(uint8_t data) if (!m_dcd) m_rr[0] |= RR0_DCD; if (m_ri) m_rr[0] |= RR0_RI; - if (m_cts) m_rr[0] |= RR0_CTS; + if (!m_cts) m_rr[0] |= RR0_CTS; m_rx_rr0_latch = 0; @@ -932,6 +932,8 @@ void z80dart_channel::control_write(uint8_t data) else { // when the RTS bit is reset, the _RTS output goes high after the transmitter empties + if (m_rr[1] & RR1_ALL_SENT) + set_rts(1); m_rts = 0; } |