Formatting.
0x00 - null.
0x01 - <le>, line end.
Normally, a line ends with <le>, so these are a single lines :  01, f001.
If line does not end with 01, but it is end of the file, it also is a single line :  f0 - one line, 01f0 - two lines.

Binary.
0x02 - binary 0
0x03 - binary 1

Hexadecimal.
Codes 0xf0 - 0x100 are for n-font.
*it is 0xf0(incl.) - 0xff(incl.)