Using as: MMIX-Chars

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#### 9.28.3.1 Special Characters

The characters ‘`*`’ and ‘`#`’ are line comment characters; each start a comment at the beginning of a line, but only at the beginning of a line. A ‘`#`’ prefixes a hexadecimal number if found elsewhere on a line. If a ‘`#`’ appears at the start of a line the whole line is treated as a comment, but the line can also act as a logical line number directive (see Comments) or a preprocessor control command (see Preprocessing).

Two other characters, ‘`%`’ and ‘`!`’, each start a comment anywhere on the line. Thus you can’t use the ‘`modulus`’ and ‘`not`’ operators in expressions normally associated with these two characters.

A ‘`;`’ is a line separator, treated as a new-line, so separate instructions can be specified on a single line.