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Altera_Forum's avatar
Altera_Forum
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8 years ago

Zero extender and zero checker

Hi,

1) How can extend an output with zeros in Quartus ii (Schematic / Block)?

2) How can I make a flag named 'zero' to check if an output is zero?

Thank you!

4 Replies

  • Altera_Forum's avatar
    Altera_Forum
    Icon for Honored Contributor rankHonored Contributor
    8 years ago

    1. Use named association - tie unused bits to ground

    2. NOR all of the bits.
  • Altera_Forum's avatar
    Altera_Forum
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    8 years ago

    --- Quote Start ---

    1. Use named association - tie unused bits to ground

    2. NOR all of the bits.

    --- Quote End ---

    Than you so much but, can you explain more about it? I'm totally a beginner ...
  • Altera_Forum's avatar
    Altera_Forum
    Icon for Honored Contributor rankHonored Contributor
    8 years ago

    1. Practice using the graphical designer - this is a very basic operation

    2. Google it..
  • Altera_Forum's avatar
    Altera_Forum
    Icon for Honored Contributor rankHonored Contributor
    8 years ago

    I got the second but, the first I did not find it, Can you specify the name and the place where I can find it more? And another Q please, how can I negate a 32-bit input? Thanks again.