Appendix D
VHDL93 Updates
Early in 1993 the VHDL language standard was updated to reflect a number of shortcomings with the VHDL 1076-1987 standard and to add some new features to the language. This new standard is called VHDL 1076-1993. In this appendix the 1987 standard will be referred to as VHDL87 and the 1993 standard as VHDL93.
The goal of this appendix is not to give the user a complete description of every new or changed feature, but to give the reader an idea of the scope of these changes and what effect they will have on future VHDL modeling efforts.
The goal of the update was to remain compatible with VHDL87 so that VHDL87 models would ...
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