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These are a set of Frequently Asked Questions (FAQ) for VHDL Simili that we have compiled. This FAQ is intended to answer questions about VHDL Simili, present some tips and tricks, etc. You can also visit our customer support site to get more information or to ask a question.

You can also check out other valuable resources available on the WWW -- http://www.vhdl.org, news://comp.lang.vhdl, the famous VHDL FAQ, http://www.ieee.org, etc.

  1. Is VHDL Simili available on any other (non-x86)  platforms?
  2. What are the differences between the free, standard and professional editions?
  3. Do you support the VHDL-87 standard?
  4. Where can I order VHDL Simili? Can I order a CD-ROM?
  5. Are there any constructs that you do not support in the VHDL-93 standard?
  6. Are there any constructs in the 1164 standard that you do not support?
  7. What versions of Vital/SDF standards are supported?
  8. What vendor libraries are supported?
  9. Is Verilog going to be supported? What about Verilog?

  1. Is VHDL Simili available on any other (non-x86)  platforms?

    No, not in the very near future. For us, the reasons are cost and focus. All of our technology and implementation is portable but most non-Intel platforms' cost prohibits us to even try. We intend to focus first on our largest user community -- the Intel platform users. If demand exists and any opportunities present itself, we may be willing to support Sparc-Solaris platform.

  2. What are the differences between the free, standard and professional editions?

    Click here to see a comparison.

  3. Do you support the VHDL-87 standard?

    VHDL Simili only supports VHDL 93 standard. In  most cases, the syntax and semantics of VHDL 93 are a super set of VHDL 87. We do however support VHDL 87 style FILE declarations using the -87 command line flag.

  4. Where can I order VHDL Simili? Can I order a CD-ROM?

    You can't order a CD-ROM. To keep the overhead low, the Internet is the ONLY medium by which VHDL Simili is made available. We have designed VHDL Simili with a very small footprint to enable us to do this.

  5. Are there any constructs that you do not support in the VHDL-93 standard?

    Yes, we have a very small set of constructs that we do not yet support. We have documented the list of unsupported constructs here.

  6. Are there any constructs in the 1164 standard that you do not support?

    All 1164 constructs are supported both in the accelerated and raw forms.

  7. What versions of Vital/SDF standards are supported?

    VITAL-95/VITAL-2000 (IEEE 1076.4) is the standard natively supported by VHDL Simili. However, other versions of the VITAL libraries can be simply be compiled and simulated (without acceleration). For  back-annotation, SDF versions 2.1, 3.0 and 4.0 are supported. 
  8. What vendor libraries are supported?

    Any vendor who provides VHDL-93/Vital-95 compatible models is compatible with VHDL Simili. We intend to have pre-compiled libraries (or scripts to compile their libraries) for all PLD/FPGA vendors as well as synthesis libraries. We do not ship vendor's libraries since they change so frequently. We ship scripts to compile most popular vendor libraries. For most vendors, we perform internal QA to ensure that the compiler/simulator simulates the vendor libraries correctly.

  9. Is Verilog going to be supported? What about Verilog?

    Yes, Verilog support is in our plans....stay tuned.
 

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