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+.\" ====================================================================
+.\" @Troff-man-file{
+.\" author = "Nelson H. F. Beebe and Geoffrey Tobin",
+.\" version = "0.6.0",
+.\" date = "08 March 1995",
+.\" time = "19:52:00 GMT +11",
+.\" filename = "dv2dt.man",
+.\" address = "Center for Scientific Computing
+.\" Department of Mathematics
+.\" University of Utah
+.\" Salt Lake City, UT 84112
+.\" USA",
+.\" telephone = "+1 801 581 5254",
+.\" FAX = "+1 801 581 4148",
+.\" checksum = "32328 715 2191 12898",
+.\" email = "beebe@math.utah.edu (Internet)",
+.\" codetable = "ISO/ASCII",
+.\" keywords = "DVI, TeX",
+.\" supported = "no",
+.\" docstring = "This file contains the UNIX manual pages
+.\" for the dv2dt utility, a program for
+.\" converting a binary TeX DVI file to an
+.\" editable text representation in DTL (DVI Text
+.\" Language). The companion dt2dv utility can
+.\" convert the output DTL file back to a binary
+.\" DVI file.
+.\"
+.\" The checksum field above contains a CRC-16
+.\" checksum as the first value, followed by the
+.\" equivalent of the standard UNIX wc (word
+.\" count) utility output of lines, words, and
+.\" characters. This is produced by Robert
+.\" Solovay's checksum utility.",
+.\" }
+.\" ====================================================================
+.if t .ds Te T\\h'-0.1667m'\\v'0.20v'E\\v'-0.20v'\\h'-0.125m'X
+.if n .ds Te TeX
+.if t .ds Xe X\\h'-0.1667m'\\v'0.20v'E\\v'-0.20v'\\h'-0.125m'T
+.if n .ds Xe XeT
+.TH DV2DT 1 "08 March 1995" "Version 0.6.0"
+.\"======================================================================
+.SH NAME
+dv2dt \- convert a binary TeX DVI file to DTL text representation
+.\"======================================================================
+.SH SYNOPSIS
+.B dv2dt
+.I input-DVI-file
+.I output-DTL-file
+.PP
+If the filenames are omitted, then
+.I stdin
+and
+.I stdout
+are assumed.
+.\"======================================================================
+.SH DESCRIPTION
+.B dv2dt
+converts a binary \*(Te\& DVI file to an editable
+text file in DTL
+.RI ( "DVI Text Language" )
+format. The companion
+.BR dt2dv (1)
+utility can convert the DTL file back to a binary
+DVI file.
+.\"======================================================================
+.SH "DVI COMMAND DESCRIPTION"
+\*(Te\& DVI files contain a compact binary
+description of typeset pages, as a stream of
+operation code bytes, each immediately followed by
+zero or more parameter bytes. The format of DVI
+files is fully described in Donald E. Knuth,
+.IR "\*(Te\&: The Program" ,
+Addison-Wesley (1986), ISBN 0-201-13437-3, as well
+as in the
+.BR dvitype (1)
+literate program source code.
+.PP
+For convenience, we provide a summary of DVI
+commands here. In the following list, operation
+code bytes are given as unsigned decimal values,
+followed by their symbolic names (not present in
+the DVI file), and a short description. A
+designation like
+.I b[+n]
+means that the operation code byte is followed by
+a parameter
+.I b
+which uses
+.I n
+bytes, and is signed. Without the plus sign, the
+parameter is unsigned. Signed integer parameter
+values are always represented in two's complement
+arithmetic, which is the system followed by most
+computers manufactured today, including all
+personal computers and workstations.
+.if n .TP \w'\fI128_set1__c[1]\fP'u+3n
+.if t .TP \w'\fI243_fnt_def1__k[1]_c[4]_s[4]_d[4]_a[1]_l[1]_n[a+l]\fP'u+3n
+.I "0 set_char_0"
+Set character 0 from current font.
+.TP
+.I .\|.\|.
+.TP
+.I "127 set_char_127"
+Set character 127 from current font.
+.TP
+.I "128 set1 c[1]"
+Set 1-byte unsigned character (uchar) number
+.IR c .
+.TP
+.I "129 set2 c[2]"
+Set 2-byte uchar number
+.IR c .
+.TP
+.I "130 set3 c[3]"
+Set 3-byte uchar number
+.IR c .
+.TP
+.I "131 set4 c[+4]"
+Set 4-byte signed character (schar) number
+.IR c .
+.TP
+.I "132 set_rule a[+4] b[+4]"
+Set rule, height
+.IR a ,
+width
+.IR b .
+.TP
+.I "133 put1 c[1]"
+Put 1-byte uchar
+.IR c .
+.TP
+.I "134 put2 c[2]"
+Put 2-byte uchar
+.IR c .
+.TP
+.I "135 put3 c[3]"
+Put 3-byte uchar
+.IR c .
+.TP
+.I "136 put4 c[+4]"
+Put 4-byte schar
+.IR c .
+.TP
+.I "137 put_rule a[+4] b[+4]"
+Put rule, height
+.IR a ,
+width
+.IR b .
+.TP
+.I "138 nop"
+Do nothing.
+.TP
+.I "139 bop c0[+4] .\|.\|. c9[+4] p[+4]"
+Beginning of page. The parameters
+.I "c0 .\|.\|. c9"
+are the \*(Te\& page counters, the contents of
+\*(Te\& count registers
+.IR "\ecount0 .\|.\|. \ecount9" .
+The parameter
+.I p
+is the byte offset from the beginning of the DVI
+file of the previous
+.I bop
+operation code byte. The first such command in
+the file has
+.IR "p = \-1" .
+.TP
+.I "140 eop"
+End of page.
+.TP
+.I "141 push"
+Push
+.RI ( h,v,w,x,y,z )
+onto stack.
+.TP
+.I "142 pop"
+Pop
+.RI ( h,v,w,x,y,z )
+from stack.
+.TP
+.I "143 right1 b[+1]"
+Move right
+.I b
+units.
+.TP
+.I "144 right2 b[+2]"
+Move right
+.I b
+units.
+.TP
+.I "145 right3 b[+3]"
+Move right
+.I b
+units.
+.TP
+.I "146 right4 b[+4]"
+Move right
+.I b
+units.
+.TP
+.I "147 w0"
+Move right
+.I w
+units.
+.TP
+.I "148 w1 b[+1]"
+Move right
+.I b
+units, and set
+.IR "w = b" .
+.TP
+.I "149 w2 b[+2]"
+Move right
+.I b
+units, and set
+.IR "w = b" .
+.TP
+.I "150 w3 b[+3]"
+Move right
+.I b
+units, and set
+.IR "w = b" .
+.TP
+.I "151 w4 b[+4]"
+Move right
+.I b
+units, and set
+.IR "w = b" .
+.TP
+.I "152 x0"
+Move right
+.I x
+units.
+.TP
+.I "153 x1 b[+1]"
+Move right
+.I b
+units, and set
+.IR "x = b" .
+.TP
+.I "154 x2 b[+2]"
+Move right
+.I b
+units, and set
+.IR "x = b" .
+.TP
+.I "155 x3 b[+3]"
+Move right
+.I b
+units, and set
+.IR "x = b" .
+.TP
+.I "156 x4 b[+4]"
+Move right
+.I b
+units, and set
+.IR "x = b" .
+.TP
+.I "157 down1 a[+1]"
+Move down
+.I a
+units.
+.TP
+.I "158 down2 a[+2]"
+Move down
+.I a
+units.
+.TP
+.I "159 down3 a[+3]"
+Move down
+.I a
+units.
+.TP
+.I "160 down4 a[+4]"
+Move down
+.I a
+units.
+.TP
+.I "161 y0"
+Move right
+.I y
+units.
+.TP
+.I "162 y1 a[+1]"
+Move right
+.I a
+units, and set
+.IR "y = a" .
+.TP
+.I "163 y2 a[+2]"
+Move right
+.I a
+units, and set
+.IR "y = a" .
+.TP
+.I "164 y3 a[+3]"
+Move right
+.I a
+units, and set
+.IR "y = a" .
+.TP
+.I "165 y4 a[+4]"
+Move right
+.I a
+units, and set
+.IR "y = a" .
+.TP
+.I "166 z0"
+Move right
+.I z
+units.
+.TP
+.I "167 z1 a[+1]"
+Move right
+.I a
+units, and set
+.IR "z = a" .
+.TP
+.I "168 z2 a[+2]"
+Move right
+.I a
+units, and set
+.IR "z = a" .
+.TP
+.I "169 z3 a[+3]"
+Move right
+.I a
+units, and set
+.IR "z = a" .
+.TP
+.I "170 z4 a[+4]"
+Move right
+.I a
+units, and set
+.IR "z = a" .
+.TP
+.I "171 fnt_num_0"
+Set current font number
+.IR "(f) = 0" .
+.TP
+.I .\|.\|.
+.TP
+.I "234 fnt_num_63"
+Set
+.IR "f = 63" .
+.TP
+.I "235 fnt1 k[1]"
+Set
+.IR "f = k" .
+.TP
+.I "236 fnt2 k[2]"
+Set
+.IR "f = k" .
+.TP
+.I "237 fnt3 k[3]"
+Set
+.IR "f = k" .
+.TP
+.I "238 fnt4 k[+4]"
+Set
+.IR "f = k" .
+.TP
+.I "239 xxx1 k[1] x[k]"
+Special string
+.I x
+with
+.I k
+bytes.
+.TP
+.I "240 xxx2 k[2] x[k]"
+Special string
+.I x
+with
+.I k
+bytes.
+.TP
+.I "241 xxx3 k[3] x[k]"
+Special string
+.I x
+with
+.I k
+bytes.
+.TP
+.I "242 xxx4 k[4] x[k]"
+Special string
+.I x
+with (unsigned)
+.I k
+bytes.
+.TP
+.I "243 fnt_def1 k[1] c[4] s[4] d[4] a[1] l[1] n[a+l]"
+Define font
+.IR k .
+The parameters are:
+.RS
+.TP \w'\fIm\fP'u+3n
+.I c
+Checksum for TFM file.
+.TP
+.I s
+Scale factor, in DVI units.
+.TP
+.I d
+Design size, in DVI units.
+.TP
+.I a
+Length of the ``area'' or directory.
+.TP
+.I l
+Length of the font name.
+.TP
+.I n
+Area and font name string(s).
+.RE
+.TP
+.I "244 fnt_def2 k[2] c[4] s[4] d[4] a[1] l[1] n[a+l]"
+Define font
+.IR k .
+.TP
+.I "245 fnt_def3 k[3] c[4] s[4] d[4] a[1] l[1] n[a+l]"
+Define font
+.IR k .
+.TP
+.I "246 fnt_def4 k[+4] c[4] s[4] d[4] a[1] l[1] n[a+l]"
+Define font
+.IR k .
+.TP
+.I "247 pre i[1] num[4] den[4] mag[4] k[1] x[k]"
+Begin preamble. The parameters are:
+.RS
+.TP \w'\fInum\fP'u+3n
+.I i
+DVI format. Standard \*(Te\& has
+.IR "ID = 2" ,
+and \*(Te\&-\*(Xe\& has
+.IR "ID = 3" .
+.TP
+.I num
+Numerator of 100 nm / DVI unit.
+.TP
+.I den
+Denominator of 100 nm / DVI unit.
+.TP
+.I mag
+1000 * magnification.
+.TP
+.I k
+Comment length.
+.TP
+.I x
+Comment string.
+.RE
+.TP
+.I "248 post p[4] num[4] den[4] mag[4] l[4] u[4] s[2] t[2]"
+Begin postamble. The parameters are:
+.RS
+.TP \w'\fInum\fP'u+3n
+.I p
+Pointer to final bop.
+.TP
+.I "num, den, mag"
+Duplicates of values in preamble.
+.TP
+.I l
+Height-plus-depth of tallest page, in DVI units.
+.TP
+.I u
+Width of widest page, in DVI units.
+.TP
+.I s
+Maximum stack depth needed to process this DVI file.
+.TP
+.I t
+Total number of pages
+.RI ( bop
+commands) present.
+.RE
+.TP
+.I "249 post_post q[4] i[1] 223 .\|.\|. 223"
+End postamble. The parameters are:
+.RS
+.TP \w'\fI223\fP'u+3n
+.I q
+Byte offset from the beginning of the DVI file to
+the
+.I post
+command that started the postamble.
+.TP
+.I i
+DVI format ID, as in the preamble.
+.TP
+.I
+223
+At least four
+.I 223
+bytes.
+.RE
+.TP
+.I "250"
+Undefined.
+.TP
+.I .\|.\|.
+.TP
+.I "255"
+Undefined.
+.\"======================================================================
+.SH "DTL COMMAND DESCRIPTION"
+A DTL file contains one line per command, with a
+limit of 1024 characters per line. Each command
+contains a symbolic operation name, followed by
+zero or more parameter values. The parameter
+value descriptions are not repeated here; they can
+be found in the previous section.
+.TP \w'\fIw0,_w1,_w2,_w3,_w4\fP'u+3n
+variety <variety-name>
+This command specifies the name of the DTL file
+type; it has no DVI file equivalent.
+.TP
+.I (text)
+Series of set_char commands, for printable ASCII text.
+.TP
+.I \e(
+Literal ASCII left parenthesis in (text).
+.TP
+.I \e)
+Literal ASCII right parenthesis in (text).
+.TP
+.I \e\e
+Literal ASCII backslash in (text).
+.TP
+.I \e"
+Literal ASCII double quote in (text).
+.TP
+.I \eXY
+Set_char for character with hexadecimal code XY,
+not in parentheses, but by itself for readability.
+.TP
+.I "s1, s2, s2, s3"
+Set, with (1,2,3,4)-byte charcodes.
+.TP
+.I sr
+.IR set_rule .
+.TP
+.I "p1, p2, p2, p3"
+Put, with (1,2,3,4)-byte charcodes.
+.TP
+.I pr
+.IR put_rule .
+.TP
+.I nop
+.I nop
+(do nothing).
+.TP
+.I bop
+.I bop
+(beginning of page).
+.TP
+.I eop
+.I eop
+(end of page).
+.TP
+.I [
+Push.
+.TP
+.I ]
+Pop.
+.TP
+.I "r1, r2, r3, r4"
+Right, with (1,2,3,4)-byte argument.
+.TP
+.I "w0, w1, w2, w3, w4"
+As in DVI.
+.TP
+.I "x0, x1, x2, x3, x4"
+As in DVI.
+.TP
+.I "d1, d2, d3, d4"
+Down, with (1,2,3,4)-byte argument.
+.TP
+.I "y0, y1, y2, y3, y4"
+As in DVI.
+.TP
+.I "z0, z1, z2, z3, z4"
+As in DVI.
+.TP
+.I fn
+.I fnt_num
+(set current font to font number in 0 to 63).
+.TP
+.I "f1, f2, f3, f4"
+.I fnt
+(set current font to (1,2,3,4)-byte font number).
+.TP
+.I special
+.I xxx
+(special commands with (1,2,3,4)-byte string length).
+.TP
+.I fd
+.I fnt_def
+(assign a number to a named font).
+.TP
+.I pre
+Preamble.
+.TP
+.I post
+.I post
+(begin postamble).
+.TP
+.I post_post
+.I post_post
+(end postamble).
+.TP
+.I opcode
+Undefined DVI command (250 to 255).
+.\"======================================================================
+.SH "SAMPLE DTL FILE"
+The following 2-line \*(Te\& file
+.RS
+.nf
+Hello.
+\ebye
+.fi
+.RE
+when processed with the commands
+.RS
+.nf
+tex hello.tex
+dv2dt hello.dvi hello.dtl
+.fi
+.RE
+produces this DTL file:
+.RS
+.nf
+variety sequences-6
+pre 2 25400000 473628672 1000 27 ' TeX output 1995.03.02:2334'
+bop 1 0 0 0 0 0 0 0 0 0 -1
+[
+d3 -917504
+]
+d4 42152922
+[
+d4 -41497562
+[
+r3 1310720
+fd1 0 11374260171 655360 655360 0 5 '' 'cmr10'
+fn0
+(Hello.)
+]
+]
+d3 1572864
+[
+r4 15229091
+(1)
+]
+eop
+post 42 25400000 473628672 1000 43725786 30785863 2 1
+fd1 0 11374260171 655360 655360 0 5 'cmr10'
+post_post 152 2 223 223 223 223
+.fi
+.RE
+The command
+.RS
+.nf
+dt2dv hello.dtl hello.dvi
+.fi
+.RE
+will reconstruct the original DVI file.
+.\"======================================================================
+.SH "SEE ALSO"
+.BR dt2dv (1),
+.BR dvitype (1),
+.BR tex (1).
+.\"======================================================================
+.SH FILES
+.TP \w'\fI*.dvi\fP'u+3n
+.I *.dvi
+binary \*(Te\& DVI file.
+.TP
+.I *.dtl
+text representation of a \*(Te\& DVI file in
+.I "DVI Text Language"
+format.
+.\"======================================================================
+.SH AUTHOR
+.B dv2dt
+and
+.BR dt2dv (1)
+were written by
+.RS
+.nf
+Geoffrey Tobin
+Department of Electronic Engineering
+La Trobe University
+Bundoora, Victoria 3083
+Australia
+Tel: +61 3 479 3736
+FAX: +61 3 479 3025
+Email: <G.Tobin@ee.latrobe.edu.au>
+.fi
+.RE
+.PP
+These manual pages were primarily written by
+.RS
+.nf
+Nelson H. F. Beebe, Ph.D.
+Center for Scientific Computing
+Department of Mathematics
+University of Utah
+Salt Lake City, UT 84112
+Tel: +1 801 581 5254
+FAX: +1 801 581 4148
+Email: <beebe@math.utah.edu>
+.fi
+.RE
+.\"==============================[The End]==============================
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-19 17:47:44 +0000