zint/backend/large.h
2008-07-13 21:15:55 +00:00

43 lines
1.4 KiB
C

/* large.h - Handles binary manipulation of large numbers */
/*
libzint - the open source barcode library
Copyright (C) 2008 Robin Stuart <zint@hotmail.co.uk>
This program 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.
This program 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 this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
static short int BCD[40] = {
0, 0, 0, 0,
1, 0, 0, 0,
0, 1, 0, 0,
1, 1, 0, 0,
0, 0, 1, 0,
1, 0, 1, 0,
0, 1, 1, 0,
1, 1, 1, 0,
0, 0, 0, 1,
1, 0, 0, 1 };
void binary_load(short int reg[], char data[]);
void binary_add(short int accumulator[], short int input_buffer[]);
void binary_subtract(short int accumulator[], short int input_buffer[]);
void shiftdown(short int buffer[]);
void shiftup(short int buffer[]);
short int islarger(short int accum[], short int reg[]);
void hex_dump(short int input_buffer[]);