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zero_gravi |
// #################################################################################################
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// # < NEO430 Boot image generator > #
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// # ********************************************************************************************* #
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// # BSD 3-Clause License #
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// # #
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// # Copyright (c) 2020, Stephan Nolting. All rights reserved. #
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// # #
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// # Redistribution and use in source and binary forms, with or without modification, are #
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// # permitted provided that the following conditions are met: #
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// # #
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// # 1. Redistributions of source code must retain the above copyright notice, this list of #
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// # conditions and the following disclaimer. #
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// # #
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// # 2. Redistributions in binary form must reproduce the above copyright notice, this list of #
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// # conditions and the following disclaimer in the documentation and/or other materials #
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// # provided with the distribution. #
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// # #
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// # 3. Neither the name of the copyright holder nor the names of its contributors may be used to #
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// # endorse or promote 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 COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS #
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// # OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF #
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// # MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE #
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// # COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, #
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// # EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE #
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// # GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED #
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// # AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING #
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// # NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED #
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// # OF THE POSSIBILITY OF SUCH DAMAGE. #
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// # ********************************************************************************************* #
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// # The NEO430 Processor - https://github.com/stnolting/neo430 #
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// #################################################################################################
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#include <stdint.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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int main(int argc, char *argv[]) {
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if (argc != 4) {
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printf("<<< NEO430 executable image generator >>>\n"
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"Three arguments are required.\n"
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"1st: Option\n"
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" -app_bin : Generate application executable binary (with header!) \n"
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" -app_img : Generate application raw executable memory image (text file, no header!)\n"
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" -bld_img : Generate bootloader raw executable memory image (text file, no header!)\n"
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"2nd: Input file (raw binary image)\n"
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"3rd: Output file\n");
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return 0;
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}
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FILE *input, *output;
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unsigned char buffer[2];
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char tmp_string[512];
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uint16_t tmp = 0, size = 0, checksum = 0;
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int i = 0;
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int option = 0;
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if (strcmp(argv[1], "-app_bin") == 0)
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option = 1;
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else if (strcmp(argv[1], "-app_img") == 0)
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option = 2;
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else if (strcmp(argv[1], "-bld_img") == 0)
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option = 3;
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else {
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printf("Invalid option!");
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return 2;
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}
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// open input file
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input = fopen(argv[2], "rb");
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if(input == NULL){
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printf("Input file error!");
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return 3;
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}
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// open output file
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output = fopen(argv[3], "wb");
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if(output == NULL){
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printf("Output file error!");
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return 4;
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}
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// ------------------------------------------------------------
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// Generate BINARY executable (with header!!!) for bootloader upload
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// ------------------------------------------------------------
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if (option == 1) {
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// reserve space for header
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fputc(char(0), output);
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fputc(char(0), output);
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fputc(char(0), output);
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fputc(char(0), output);
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fputc(char(0), output);
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fputc(char(0), output);
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buffer[0] = 0;
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buffer[1] = 0;
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checksum = 0;
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size = 0;
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rewind(input);
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while(fread(&buffer, sizeof(unsigned char), 2, input) != 0) {
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tmp = (((uint16_t)buffer[1] << 8) | buffer[0]);
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checksum = checksum ^ tmp;
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fputc(buffer[1], output);
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fputc(buffer[0], output);
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size += 2;
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}
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// build header
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rewind(output);
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fputc((unsigned char)(0xCA), output);
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fputc((unsigned char)(0xFE), output);
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fputc((unsigned char)((size & 0xFF00) >> 8), output);
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fputc((unsigned char)((size & 0x00FF) >> 0), output);
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fputc((unsigned char)((checksum & 0xFF00) >> 8), output);
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fputc((unsigned char)((checksum & 0x00FF) >> 0), output);
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}
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// ------------------------------------------------------------
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// Generate APPLICATION's executable memory init file (no header!!!)
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// ------------------------------------------------------------
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if (option == 2) {
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// header
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sprintf(tmp_string, "-- The NEO430 Processor Project, by Stephan Nolting\r\n"
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"-- Auto-generated memory init file (for APPLICATION)\r\n"
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"\r\n"
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"library ieee;\r\n"
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"use ieee.std_logic_1164.all;\r\n"
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"\r\n"
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"package neo430_application_image is\r\n"
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"\r\n"
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" type application_init_image_t is array (0 to 65535) of std_ulogic_vector(15 downto 0);\r\n"
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" constant application_init_image : application_init_image_t := (\r\n");
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fputs(tmp_string, output);
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// data
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buffer[0] = 0;
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buffer[1] = 0;
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i = 0;
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while(fread(&buffer, sizeof(unsigned char), 2, input) != 0) {
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tmp = (((uint16_t)buffer[1] << 8) | buffer[0]);
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sprintf(tmp_string, " %06d => x\"%04x\",\r\n", i, tmp);
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fputs(tmp_string, output);
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buffer[0] = 0;
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buffer[1] = 0;
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i++;
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}
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sprintf(tmp_string, " others => x\"0000\"\r\n");
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fputs(tmp_string, output);
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// end
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sprintf(tmp_string, " );\r\n"
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"\r\n"
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"end neo430_application_image;\r\n");
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fputs(tmp_string, output);
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}
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// ------------------------------------------------------------
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// Generate BOOTLOADER's executable memory init file (no header!!!)
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// ------------------------------------------------------------
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if (option == 3) {
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// header
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sprintf(tmp_string, "-- The NEO430 Processor Project, by Stephan Nolting\r\n"
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"-- Auto-generated memory init file (for BOOTLOADER)\r\n"
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"\r\n"
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"library ieee;\r\n"
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"use ieee.std_logic_1164.all;\r\n"
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"\r\n"
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"package neo430_bootloader_image is\r\n"
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"\r\n"
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" type bootloader_init_image_t is array (0 to 65535) of std_ulogic_vector(15 downto 0);\r\n"
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" constant bootloader_init_image : bootloader_init_image_t := (\r\n");
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fputs(tmp_string, output);
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// data
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buffer[0] = 0;
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buffer[1] = 0;
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i = 0;
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while(fread(&buffer, sizeof(unsigned char), 2, input) != 0) {
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tmp = (((uint16_t)buffer[1] << 8) | buffer[0]);
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sprintf(tmp_string, " %06d => x\"%04x\",\r\n", i, tmp);
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fputs(tmp_string, output);
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buffer[0] = 0;
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buffer[1] = 0;
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i++;
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}
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sprintf(tmp_string, " others => x\"0000\"\r\n");
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fputs(tmp_string, output);
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// end
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sprintf(tmp_string, " );\r\n"
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"\r\n"
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"end neo430_bootloader_image;\r\n");
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fputs(tmp_string, output);
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}
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fclose(input);
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fclose(output);
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return 0;
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}
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