Support for Additional VHDL Provisions

• Attributes

  • Can be associated with arrays, blocks, signal, types, etc.
  • Standard set generally supported for arrays and types
  • Standard set generally not supported for blocks
  • Some in standard set for signals supported

• Types

  • Support generally specific to tool
    • E.g., Autologic supports bit_vector and integer, but not floating_point or real

• Operators

  • Support often additionally dependent on type of operands

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Refer student to [MGC94b], pp 1-16 through 1-21, for specifics.