Re: [vhdl-200x-ft] FT9 & Sizing "X"

Peter,
Do you have something else in mind other than
something simple like I suggested:
     5R'X' = 5R"X" = "XXXXX"
     5R'0' = 5R"0" = "00000"
     5R'1' = 5R"1" = "11111"

Regards,
Jim

> Jim,
>
> I think that you are adding a requirement that was never there before. Can
> we put this on the M&P list?
>
> Cheers,
>
> PA
> --
> Dr. Peter J. Ashenden peter@ashenden.com.au
> Ashenden Designs Pty. Ltd. www.ashenden.com.au
> PO Box 640 Ph: +61 8 8339 7532
> Stirling, SA 5152 Fax: +61 8 8339 2616
> Australia Mobile: +61 414 70 9106
>
>
>
>>-----Original Message-----
>>From: owner-vhdl-200x-ft@eda.org
>>[mailto:owner-vhdl-200x-ft@eda.org] On Behalf Of Jim Lewis
>>Sent: Saturday, 4 December 2004 04:53
>>To: vhdl-200x-ft@eda.org
>>Subject: [vhdl-200x-ft] FT9 & Sizing "X"
>>
>>
>>Hi,
>>With FT9, what is the best way to create a replicated
>>string of X or 1 or 0.
>> 5SB"X" "XXXXX"
>> 5SB"0" "00000"
>> 5SB"1" "11111"
>>
>>However, if I change this to hex, it changes the result for 1:
>> 5SX"X" "XXXXX"
>> 5SX"0" "00000"
>> 5SX"1" "00001"
>>
>>If I make it unsigned (the default):
>> 5UB"X" "0000X" 5B"X"
>> 5UB"0" "00000" 5B"0"
>> 5UB"1" "00001" 5B"1"
>>
>>Bit replication of identical values is something I use
>>alot and would be handy if it was easier. It seems odd
>>that I need to use S to get the results I want.
>>
>>I think we would benefit from some replication operation.
>>Something like:
>> 5R'X' = 5R"X" = "XXXXX"
>> 5R'0' = 5R"0" = "00000"
>> 5R'1' = 5R"1" = "11111"
>>
>>Cheers,
>>Jim
>>--
>>~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>>Jim Lewis
>>Director of Training mailto:Jim@SynthWorks.com
>>SynthWorks Design Inc. http://www.SynthWorks.com
>>1-503-590-4787
>>
>>Expert VHDL Training for Hardware Design and Verification
>>~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>>
>
>
>
>

-- 
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Jim Lewis
Director of Training             mailto:Jim@SynthWorks.com
SynthWorks Design Inc.           http://www.SynthWorks.com
1-503-590-4787
Expert VHDL Training for Hardware Design and Verification
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~