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  Syntax:   .WHILE condition
              statements
            .ENDW
 
  See also: WHILE, .REPEAT, .BREAK, .CONTINUE, .IF, Comparison Operators
 
  Description:
 
     Used for clear coding of common loop blocks. Generates code so
     that, while <condition> is true, the processor loops through the
     following block of statements.
 
     The .ENDW statement marks the end of the <statements> block,
     causing the processor to return to the .WHILE directive to
     reevaluate whether <condition> is still true. If <condition> is
     initially false, the <statements> will not be executed.
 
     .WHILE blocks can be nested, and the assembler will optimize to get
     the best possible code.
                                    -♦-