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Altera_Forum's avatar
Altera_Forum
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16 years ago

Preserve Registers logic option

Hello,

I am new to quartus II 9.1.Can anyone tell me where to turn on Preserve Register Logic option in assignment editor.Thanks in advance.:)

4 Replies

  • Altera_Forum's avatar
    Altera_Forum
    Icon for Honored Contributor rankHonored Contributor

    --- Quote Start ---

    Hello,

    I am new to quartus II 9.1.Can anyone tell me where to turn on Preserve Register Logic option in assignment editor.Thanks in advance.:)

    --- Quote End ---

    Hi,

    open the assignment editor and double click in the assignment field and choose :

    Preserve Registers

    or in case the register has no fan-out

    Preserve Fan-out Free Register Node

    Kind regards

    GPK
  • Altera_Forum's avatar
    Altera_Forum
    Icon for Honored Contributor rankHonored Contributor

    --- Quote Start ---

    Hi,

    open the assignment editor and double click in the assignment field and choose :

    Preserve Registers

    or in case the register has no fan-out

    Preserve Fan-out Free Register Node

    Kind regards

    GPK

    --- Quote End ---

    Hello,

    Thanks for your prompt reply.But first i want to ask you one thing that i am using the web edition of quartus II.Is it possible to turn this setting on in this edition secondly as per your reply i cant find assignment field in my assignment editor.
  • Altera_Forum's avatar
    Altera_Forum
    Icon for Honored Contributor rankHonored Contributor

    --- Quote Start ---

    Hello,

    Thanks for your prompt reply.But first i want to ask you one thing that i am using the web edition of quartus II.Is it possible to turn this setting on in this edition secondly as per your reply i cant find assignment field in my assignment editor.

    --- Quote End ---

    Hi,

    can you post the picture in the forum ?

    Kind regards

    GPK
  • Altera_Forum's avatar
    Altera_Forum
    Icon for Honored Contributor rankHonored Contributor

    Thank you so much for your response.I think i have got the solution i have directly edited .qsf file and set the preserve_register on.Thanks again for your help.