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Altera_Forum's avatar
Altera_Forum
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17 years ago

How to sign-extend in Quartus ??

Hi

Guys, i need ur help in Quartus(altera software for designing)...

i want to know how to sign extend bit in quartus??

cause i have function that compare between 2 inputes(16bit) and if its less it will give(1) else(zero)... and then it will go the Mux

so, i need to sign extend it from 1 bit to 16 bit... how??? what is the function(name of it) that do this operations???

thanks alot...

1 Reply

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

    How are you doing your design: schematic, VHDL, verilog?

    Why do you need to extend one bit to sixteen bits? From what you've described, your vector is either all ones or all zeroes.