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46 lines
1.5 KiB
C
46 lines
1.5 KiB
C
/*
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* pdp10-extint.h
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* Copyright (C) 2013-2015 Mikael Pettersson
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*
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* This file is part of pdp10-tools.
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*
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* pdp10-tools is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* pdp10-tools is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with pdp10-tools. If not, see <http://www.gnu.org/licenses/>.
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*/
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/*
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* Provide types and procedures for converting 18 and 36-bit integers
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* to and from arrays of 9-bit bytes (nonets). Use these together with
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* pdp10_fread() and pdp10_fwrite() to convert 18 and 36-bit integers
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* between host-level and file-level binary representations.
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*/
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#ifndef PDP10_EXTINT_H
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#define PDP10_EXTINT_H
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#include "pdp10-stdint.h"
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struct pdp10_ext_uint18 {
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pdp10_uint9_t nonet[2];
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};
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void pdp10_uint18_to_ext(pdp10_uint18_t val, struct pdp10_ext_uint18 *ext);
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pdp10_uint18_t pdp10_uint18_from_ext(const struct pdp10_ext_uint18 *ext);
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struct pdp10_ext_uint36 {
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pdp10_uint9_t nonet[4];
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};
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void pdp10_uint36_to_ext(pdp10_uint36_t val, struct pdp10_ext_uint36 *ext);
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pdp10_uint36_t pdp10_uint36_from_ext(const struct pdp10_ext_uint36 *ext);
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#endif /* PDP10_EXTINT_H */
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