** The comment field of a statement is used by the programmer to say something about what the statement does. A semicolon marks the beginning of this field, and the assembler ignores anything typed after the semicolon, Comments are optional, but because assembly language is so low-level, it is almost impossible to understand an assembly language program without comments. In fact, good programming practice dictates a comment on almost every line. The art of good commentary is developed through practice, Don't say something obvious, like this :
MOV CX,0 ;move .0 to CX
Instead, use comments to put the instruction into the context of the program :
MOV CX, 0 ;CX counts terms, initially 0
It is also permissible to make an entire line a comment, and to use them to create space in a program.
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