Assembly Language Statements

【Assembly Language Statements】

　1、general format of an assembly language statement:

　　

　2、A line may contain multiple statements separated by a semicolon for the i386 assembler, which may then be followed by a single comment preceded by a # character for the i386 assembler。

　　[ statement [ ; statement ...] ] [ # comment_field ]

　3、The following rules apply to the use of whitespace within a statement:

• Spaces or tabs are used to separate fields.

• At least one space or tab must occur between the opcode field and the operand field.

• Spaces may appear within the operand field.

• Spaces and tabs are significant when they appear in a character string.