mikpe.pdp10-tools/include/pdp10-extint.h

46 lines
1.5 KiB
C

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