/*
    Jack Raats
    Noorddonk 107
    4651 ZD Steenbergen
    01670 - 65298
    Email:  2:285/751@fidonet.org
           27:1331/304@SIGnet.org

    8 mei 1993    DeSmet C / C68 v3.05
*/

#include <stdio.h>

char *tabel[] =
{
    " ","{1}","{2}","{7}","{4}",
    "{5}","{T}","{E}","{A}","{D}",
    "{S}","\"","#","$",":",
    "?","(",")",">","<",
    "=","+","-","*","/",
    ";",",",".","0","1",
    "2","3","4","5","6",
    "7","8","9","A","B",
    "C","D","E","F","G",
    "H","I","J","K","L",
    "M","N","O","P","Q",
    "R","S","T","U","V",
    "W","X","Y","Z"
};

int c, nl;
FILE *fi, *fo;

void main ( argc, argv )
int argc;
char *argv[];
{
    printf ("\nZXAS convert ZXAS2 assembler output to ASCII");
    printf ("\nCopyright Jack Raats 1993, Steenbergen, Holland");
    printf ("\nEmail:    2:285/751@fidonet.org\n");

    if ( argc != 3 )
    {
        printf ("\nUSAGE:");
        printf ("\nA:>ZXAS filename.L filename.TXT\n\n");
        exit ( 1 );
    }

    if ( ( fi = fopen ( argv[1], "rb" ) ) == 0 )
    {
        printf ("\nERROR: cannot open %s\n\n", argv[1]);
        exit (2);
    }

    if ( ( fo = fopen ( argv[2], "wb" ) ) == 0 )
    {
        printf ("\nERROR: cannot open %s\n\n", argv[2]);
        exit (3);
    }

    if ( fseek ( fi, 7L, 0 ) != 7L )
    {
        printf ("\nERROR: %s is too short!\n\n", argv[1]);
        exit (4);
    }

    nl = 0;
    while ( 1 )
    {
        if ( ( c = fgetc (fi) ) == EOF ) break;
        switch (c)
        {
            case 0x76:
                fprintf ( fo,"%c",10);
                nl = 1;
                break;
            case 0x82:
                nl = 0;
                break;
            default:
                if ( nl == 1 ) fprintf ( fo, "      ");
                nl = 0;
				if ( c <= 64 ) fprintf ( fo, "%s", tabel[c]);
                break;
        }
    }
    fclose ( fi );
    fclose ( fo );
    printf ("\nZXAS ready\n\n");
    exit (0);
}