Research V3 development

Work on file man/man2/stty.2

Co-Authored-By: Dennis Ritchie <dmr@research.uucp>
Synthesized-from: v3

diff --git a/man/man2/stty.2 b/man/man2/stty.2
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+.pa 1
+.he 'STTY (II)'6/12/72'STTY (II)'
+.tr |
+.ti 0
+NAME           stty  --  set mode of typewriter
+.sp
+.ti 0
+SYNOPSIS       (file descriptor in r0)
+.br
+sys stty; arg  / stty = 31.
+.br
+.li
+...
+.ti -6
+arg:  dcrsr; dctsr; mode
+.sp
+.ti 0
+DESCRIPTION    stty\b\b\b\b____
+sets mode bits for a typewriter whose file descriptor
+is passed in r0.
+First, the system delays until the typewriter is quiescent.
+Then, the argument dcrsr\b\b\b\b\b_____ is placed into the type\ 6wri\ 6ter's
+receiver control and status register,
+and dctsr\b\b\b\b\b_____ is placed in the transmitter control and status register.
+The DC-11 manual must be consulted for the format of these
+words.
+For the purpose of this call, the most important ro\b^le of
+these arguments is to adjust to the speed of the typewriter.
+.sp
+The mode\b\b\b\b____ argument contains several bits which determine the
+system's treatment of the typewriter:
+.sp
+.in +3
+.nf
+200  even parity allowed on input (e. g. for M37s)
+100  odd parity allowed on input
+040  raw mode: wake up on all characters
+020  map CR into LF; echo LF or CR as LF-CR
+010  echo (full duplex)
+004  map upper case to lower on input (e. g. M33)
+002  echo and print tabs as spaces
+001  inhibit all function delays (e. g. CRTs)
+.fi
+.in -3
+.sp
+.fi
+Characters with the wrong parity, as determined by bits 200 and
+100, are ignored.
+.sp
+In raw mode, every character is passed back immediately
+to the program.  No erase or kill processing is done;
+the end-of-file character (EOT), the interrupt character
+(DELETE) and the quit character (FS) are not treated specially.
+.sp
+Mode 020 causes input carriage returns to be turned into
+new-lines;
+input of either CR or LF causes LF-CR both to
+be echoed
+(used for GE TermiNet 300's and other terminals without the newline function).
+.sp
+Additional bits in the high order byte of the mode argument
+are used to indicate that the terminal is an IBM|2741
+and to specify 2741 modes.
+These mode bits are:
+.sp
+.in+8
+.ll+6
+.ti-6
+|400  terminal is an IBM|2741
+.ti-6
+1000  the 2741 has the transmit interrupt feature (currently ignored)
+.ti-6
+2000  use correspondence code conversion on output
+.ti-6
+4000  use correspondence code conversion on input (currently ignored)
+.sp
+.in -8
+.ll-6
+Normal input and output code conversion
+for 2741s is EBCDIC (e. g. 963 ball and corresponding keyboard).
+The presence of the transmit interrupt feature permits
+the system to do read-ahead while no output is in progress.
+In 2741 mode, the low order bits 331 are ignored.
+.ti0
+.sp
+SEE ALSO       stty(I), gtty(II)
+.sp
+.ti 0
+DIAGNOSTICS    The error bit
+(c-bit) is set if the file descriptor does not refer to a type\ 6writer.
+.sp
+.ti 0
+BUGS           This call should be used with care.
+.tr ||