Rules for DC operands
- The type subfield and the nominal value must always be specified
unless the duplication factor is zero. If the duplication factor
is zero, only the type must be specified.
- The duplication factor, type extension, program type, and
modifier subfields are optional.
- When multiple operands are specified, they can be of
different types.
- When multiple nominal values are specified in the
sixth subfield,
they must be separated by commas and be of the same type.
Multiple nominal values are not allowed for character
or graphic constants,
because a comma is part of the nominal
value of the constant; it is not possible to specify multiple
nominal values.
- The descriptive subfields, apart from the program type,
apply to all the nominal values.
The program type applies to only the symbol naming the DC
instruction, if a symbol was present.
Separate constants are generated for each separate operand and nominal value
specified.
- No spaces are allowed:
- Between subfields
- Between multiple
operands
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