84 lines
2.4 KiB
Plaintext
84 lines
2.4 KiB
Plaintext
%{
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/*
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* Copyright (c) 1994 Joerg Wunsch
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*
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* All rights reserved.
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*
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* This program is free software.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Joerg Wunsch
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* 4. The name of the developer may not be used to endorse or promote
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* products derived from this software without specific prior written
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* permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE DEVELOPERS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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/*
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* $Log: lex.l,v $
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* Revision 1.1 1994/03/29 02:47:20 mycroft
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* pcvt 3.0, with some performance enhancements by Joerg Wunsch and me.
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*
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* Revision 1.2 1994/01/08 17:42:58 j
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* cleanup
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* made multiple commands per line work
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* wrote man page
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*
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* Revision 1.3 21.12.1994 -hm
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* Added mi command for accessing the misc out register
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include "vgaio.h"
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#include "y.tab.h"
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extern YYSTYPE yylval;
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%}
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D [0-9a-fA-F]
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%%
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cr|CR { return CR; }
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ar|AR { return AR; }
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gr|GR { return GR; }
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sr|SR { return SR; }
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mi|MI { return MI; }
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{D}({D}*) { sscanf(yytext, "%x", &yylval.num); return NUM; }
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[ \t] { /* ignore */ }
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\n { return NEWLINE; }
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. { return yytext[0]; }
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