51a52,53
>  * 26.08.11 -m mask ASCII masking and -A for ANTIC internal character
>  *          for better readability of Atari XL/XE files by Jerzy Kut
142c144
< char version[] = "xxd V1.10 27oct98 by Juergen Weigert";
---
> char version[] = "xxd V1.10-atari 27oct98 by Juergen Weigert";
233a236
>   fprintf(stderr, "    -A          convert Atari XL/XE's ANTIC internal characters to ATASCII.\n");
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>   fprintf(stderr, "    -m mask     byte mask for ASCII printing.\n");
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> /* This is Atari XL/XE's internal ANTIC codes to ATASCII conversion. */
> static unsigned char
> antic2atascii(ch)
> char ch;
> {
>   unsigned char c = ch & 0x7f;
>   if (c < 0x40) return ch + 0x20;
>   else if (c < 0x60) return ch - 0x40;
>   else return ch;
> }
> 
455a471,472
>   char asciimask = 0xff; /* mask for ASCII printing */
>   int antic = 0; /* Atari XL/XE's ANTIC internal -> ATASCII conversion flag */
485a503
>       else if (!STRNCMP(pp, "-A", 2)) antic++;
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>       else if (!STRNCMP(pp, "-m", 2))
> 	{
> 	  if (pp[2] && STRNCMP("mask", pp + 2, 4))
> 	    asciimask = (int)strtol(pp + 2, NULL, 0);
> 	  else
> 	    {
> 	      if (!argv[2])
> 		exit_with_usage(pname);
> 	      asciimask = (int)strtol(argv[2], NULL, 0);
> 	      argv++;
> 	      argc--;
> 	    }
> 	}
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>       if (antic)
>         e = antic2atascii(e); /* for atari xl/xe's antic internal character codes */
>       e = e & asciimask;