CONSTANTS

N   Stack a descriptor for an integer constant.  The
    parameter is a constant in octal.

'   Stack a descriptor for a string constant.  The parameter
    is of the form:

              L,CCC    where:

              L    : length of the string.

              C    : characters of the string.

              e.g. '3,MAX         "MAX"
                   '4,DATA        "DATA"
                   '0,            ""

         Note the form of the null string ('0,).

D   Stack a descriptor for a real constant.  The parameter
    is of the form:

              L,CCC    where:

              L    : number of digits (including '.').

              C    : decimal digits, including one optional
                     decimal point and one optional exponent
                     sign '@' followed by the exponent as a
                     signed octal tag (the tag counting as one
                     digit).

              e.g. D4,10.4          10.4

                   D3,1@12          1@10





















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