printf("FT2232H-based NAND reader");
	//Parse command line options
	Action action=actionNone;
	NandChip::AccessType access=NandChip::accessBoth;
	for (x=1; x<argc; x++) {
		if (strcmp(argv[x],"-i")==0) {
			action=actionID;
		} else if (strcmp(argv[x],"-r")==0 && x<=(argc-2)) {
			action=actionRead;
			file=argv[++x];
		} else if (strcmp(argv[x],"-w")==0 && x<=(argc-2)) {
			action=actionWrite;
			file=argv[++x];
		} else if (strcmp(argv[x],"-v")==0 && x<=(argc-2)) {
			action=actionVerify;
			file=argv[++x];
		} else if (strcmp(argv[x],"-u")==0 && x<=(argc-2)) {
			action=actionVerify;
			char *endp;
			x++;
			vid=strtol(argv[x], &endp, 16);
			if (*endp!=':') {
				err=true;
			} else {
				endp++;
				pid=strtol(endp, NULL, 16);
			}
		} else if (strcmp(argv[x],"-t")==0 && x<=(argc-2)) {
			x++;
			if (strcmp(argv[x],"main")==0) {
				access=NandChip::accessMain;
			} else if (strcmp(argv[x], "oob")==0) {
				access=NandChip::accessOob;
			} else if (strcmp(argv[x], "both")==0) {
				access=NandChip::accessBoth;
			} else {
				printf("Must be 'main' 'oob' or 'both': %s\n", argv[x]);
				err=true;
			}
		} else if (strcmp(argv[x],"-s")==0) {
			doSlow=true;
		} else {
			printf("Unknown option or missing argument: %s\n", argv[x]);
			err=true;
		}
	}