Initial commit

1 files changed, 51 insertions, 0 deletions

diff --git a/sys/tty/tty.h b/sys/tty/tty.h
new file mode 100644
index 00000000..6e0e58e0
--- /dev/null
+++ b/sys/tty/tty.h
@@ -0,0 +1,51 @@
+# TTY package definitions.  Requires <chars.h>.
+
+define	TABSIZE		8
+define	MAX_TC_NESTING	5		# max nesting of tc=term references
+
+# Include here all special control characters (mapped by driver) which should
+# not be used as binary cursor coordinates.  The list must be terminated by
+# an EOS; do not count the EOS in NDCHARS.  Note that NUL cannot be included
+# in the list because it is the same as EOS.
+
+define	NDCHARS		3
+define	DRIVER_CHARS	EOT,HT,LF,EOS
+
+# Mapping function used to map capcodes ("cm", etc.) into unique integers.
+define	ENCODE		($1[1]*128+$1[2])
+
+# Types of standout modes defined for terminals.
+
+define	SOSE		1		# use so,se or us,ue capabilities
+define	BSOS		2		# backspace and overstrike with _
+define	CROS		3		# CR and overstrike with full line
+define	TOUP		4		# map standout chars to upper case
+
+# TTY descriptor structure.  Full termcap entry is the 'caplist' string.
+# The caplist is indexed at open time to permit a binary search for
+# capabilities at run time.
+
+define	T_MEMINCR	512		# increment if overflow occurs
+define	T_OFFCAP	215		# struct offset to caplist field
+define	MAX_CAPS	100		# maximum capabilities
+define	MAX_COORDS	7		# maximum coords for ttysubi
+define	SZ_CTRLSTR	50		# buffer size for control strings
+define	LEN_DEFTTY	(256+1024)	# initial length of tty structure
+
+define	T_LEN		Memi[$1]	# length of tty structure
+define	T_OP		Memi[$1+1]	# offset into caplist
+define	T_PADCHAR	Memi[$1+2]	# pad character for delays
+define	T_TABCHAR	Memi[$1+3]	# tab character, if HW tabs ok
+define	T_BSOK		Memi[$1+4]	# terminal backspaces with BS
+define	T_HTOK		Memi[$1+5]	# term has HT (horiz tab) in hardware
+define	T_AM		Memi[$1+6]	# term has automargin advance
+define	T_SOTYPE	Memi[$1+7]	# type of standout mode (ttyputline)
+define	T_BAUD		Memi[$1+8]	# baud rate for delays
+define	T_NLINES	Memi[$1+9]	# nlines on terminal at open
+define	T_NCOLS		Memi[$1+10]	# ncols on terminal at open
+define	T_NCAPS		Memi[$1+11]	# number of capabilities
+define	T_CAPLEN	Memi[$1+12]	# length of caplist, chars
+			# (extra space)
+define	T_CAPCODE	Memi[$1+15]	# cap code array: c1*128+c2
+define	T_CAPINDEX	Memi[$1+115]	# cap index array
+define	T_CAPLIST	Memc[($1+215-1)*SZ_STRUCT+1]	# termcap entry