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/* Copyright (c) 1987, 1989, 2012 University of Maryland Department of
   Computer Science.
   
   Permission is hereby granted, free of charge, to any person obtaining
   a copy of this software and associated documentation files (the
   "Software"), to deal in the Software without restriction, including
   without limitation, the rights to use, copy, modify, merge, publish,
   distribute, sublicense, and/or sell copies of the Software, and to
   permit persons to whom the Software is furnished to do so, subject to
   the following conditions: The above copyright notice, this permission
   notice and the disclaimer statement shall be included in all copies
   or substantial portions of the Software.
   
   THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
   EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
   MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
   IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
   CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
   TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
   SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/

/* DVI opcodes */

#define DVI_VERSION	2	/* version number that should appear in
				   pre- and post-ambles */
#ifdef ASCIIPTEX
#define DVI_PTEXVERSION	3	/* version number that should appear in
				   post-ambles which are contained in
				   dvi files using DIR command*/
#endif /* ASCIIPTEX */

#define DVI_SET1	128	/* set character, 1 byte param */
#define DVI_SET2	129	/* set character, 2 byte param */
#define DVI_SET3	130	/* set character, 3 byte param */
#define DVI_SET4	131	/* set character, 4 byte param */
#define DVI_SETRULE	132	/* set a rule */
#define DVI_PUT1	133	/* put char, don't move right */
#define DVI_PUT2	134	/* put char, 2 byte */
#define DVI_PUT3	135	/* etc */
#define DVI_PUT4	136
#define DVI_PUTRULE	137	/* put rule, don't move right */
#define DVI_NOP		138	/* no-op */
#define DVI_BOP		139	/* begin page */
#define DVI_EOP		140	/* end page */
#ifdef ASCIIPTEX
#define DVI_PUSH	141	/* push h,v,w,x,y,z,d */
#define DVI_POP		142	/* pop  h,v,w,x,y,z,d */
#else /* !ASCIIPTEX */
#define DVI_PUSH	141	/* push h,v,w,x,y,z */
#define DVI_POP		142	/* pop  h,v,w,x,y,z */
#endif /* !ASCIIPTEX */
#define DVI_RIGHT1	143	/* move right, 1 byte signed param */
#define DVI_RIGHT2	144	/* move right, 2 byte signed param */
#define DVI_RIGHT3	145	/* etc */
#define DVI_RIGHT4	146
#define DVI_W0		147	/* h += w */
#define DVI_W1		148	/* w = 1 byte signed param, h += w */
#define DVI_W2		149	/* w = 2 byte etc, h += w */
#define DVI_W3		150
#define DVI_W4		151
#define DVI_X0		152	/* like DVI_W0 but for x */
#define DVI_X1		153	/* etc */
#define DVI_X2		154
#define DVI_X3		155
#define DVI_X4		156
#define DVI_DOWN1	157	/* v += 1 byte signed param */
#define DVI_DOWN2	158	/* v += 2 byte signed param */
#define DVI_DOWN3	159	/* etc */
#define DVI_DOWN4	160
#define DVI_Y0		161	/* y = 1 byte signed param, v += y */
#define DVI_Y1		162	/* etc */
#define DVI_Y2		163
#define DVI_Y3		164
#define DVI_Y4		165
#define DVI_Z0		166	/* z = 1 byte signed param, v += z */
#define DVI_Z1		167	/* etc */
#define DVI_Z2		168
#define DVI_Z3		169
#define DVI_Z4		170
#define DVI_FNTNUM0	171

#define DVI_FNT1	235	/* select font, 1 byte param */
#define DVI_FNT2	236	/* etc */
#define DVI_FNT3	237
#define DVI_FNT4	238
#define DVI_XXX1	239	/* for \special: if length < 256 */
#define DVI_XXX2	240	/* etc */
#define DVI_XXX3	241
#define DVI_XXX4	242
#define DVI_FNTDEF1	243	/* Define font, 1 byte param (0 to 63) */
#define DVI_FNTDEF2	244	/* etc */
#define DVI_FNTDEF3	245
#define DVI_FNTDEF4	246
#define DVI_PRE		247	/* preamble */
#define DVI_POST	248	/* postamble */
#define DVI_POSTPOST	249	/* end of postamble */
#ifdef ASCIIPTEX
#define DVI_DIR		255	/* d (direction) = 1 byte signed param */
#endif /* ASCIIPTEX */
#define DVI_FILLER	223	/* filler bytes at end of dvi file */