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tv912.cpp: Small update (nw)

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AJR 2018-01-20 17:23:38 -05:00
parent ba8b3ef772
commit 8d540d5f9c
1 changed files with 3 additions and 1 deletions
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src/mame/drivers/tv912.cpp
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@ -19,6 +19,8 @@
framing of data bits. Position 8 (NB2) is deliberately disconnected on
later revisions to restrict communications to 7 or 8 data bits, likely
because of known incompatibilities between UART models in 5-bit data mode.
(For reasons that are less clear, the 19,200 baud option is also commonly
omitted from documentation.)
The baud rate switches (S1/S3) are mounted vertically at the rear of the
unit. As these are connected directly to the frequency outputs of the baud
@ -362,7 +364,7 @@ static INPUT_PORTS_START( switches )
PORT_BIT(0x23, IP_ACTIVE_LOW, IPT_UNUSED)
PORT_START("HALFDUP")
PORT_DIPNAME(0x01, 0x01, "Communication Mode") PORT_DIPLOCATION("S2:3")
PORT_DIPNAME(0x01, 0x01, "Conversation Mode") PORT_DIPLOCATION("S2:3")
PORT_DIPSETTING(0x00, "Half Duplex")
PORT_DIPSETTING(0x01, "Full Duplex")