HEX_LINE_BITS
if (count > HEX_LINE_BITS) {
lines = (count + (HEX_LINE_BITS - 1)) / HEX_LINE_BITS;
linebits = HEX_LINE_BITS;
offset = count - ((line + 1) * HEX_LINE_BITS);
count - ((lines - 1) * HEX_LINE_BITS);