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/******************************************************************************************

*   syntax: bin2mem  < filename1.bin

*   author: Rene van Leuken

*   modified: Tamar Kranenburg

*   February, 2008: header string provided, so ModelSim can recognize the file's format

*                   (= Veriloh hex) when 'Importing' into memory ... (Huib)

*   September, 2008: prevent reversing byte order

*

*******************************************************************************************/

#include <stdio.h>

main()

{

    unsigned char c0, c1, c2, c3;

    FILE *fp0, *fp1, *fp2, *fp3;

    fp0=fopen("rom0.mem", "wb");

    fp1=fopen("rom1.mem", "wb");

    fp2=fopen("rom2.mem", "wb");

    fp3=fopen("rom3.mem", "wb");

    fprintf(fp0, "// memory data file (do not edit the following line - required for mem load use)\n");

    fprintf(fp1, "// memory data file (do not edit the following line - required for mem load use)\n");

    fprintf(fp2, "// memory data file (do not edit the following line - required for mem load use)\n");

    fprintf(fp3, "// memory data file (do not edit the following line - required for mem load use)\n");

    fprintf(fp0, "// format=hex addressradix=h dataradix=h version=1.0 wordsperline=1\n");

    fprintf(fp1, "// format=hex addressradix=h dataradix=h version=1.0 wordsperline=1\n");

    fprintf(fp2, "// format=hex addressradix=h dataradix=h version=1.0 wordsperline=1\n");

    fprintf(fp3, "// format=hex addressradix=h dataradix=h version=1.0 wordsperline=1\n");

    fprintf(fp0, "@00000000\n");

    fprintf(fp1, "@00000000\n");

    fprintf(fp2, "@00000000\n");

    fprintf(fp3, "@00000000\n");

    while (!feof(stdin)) {

        c0 = getchar() & 0x0ff;

        c1 = getchar() & 0x0ff;

        c2 = getchar() & 0x0ff;

        c3 = getchar() & 0x0ff;

        fprintf (fp0, "%.2x\n", c3);

        fprintf (fp1, "%.2x\n", c2);

        fprintf (fp2, "%.2x\n", c1);

        fprintf (fp3, "%.2x\n", c0);

    }

    fprintf(fp0, "\n");

    fprintf(fp1, "\n");

    fprintf(fp2, "\n");

    fprintf(fp3, "\n");

    return 0;

}