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Altera_Forum's avatar
Altera_Forum
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10 years ago

Interpretation of numberic constants as signed/unsigned

Hi All, I'm new to this forum, and very new to FPGAs. I've got myself a simple Cyclone II dev board and a copy of Quartus, and I'm attempting to learn some VHDL. I've just got to the stage of blin...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
10 years ago

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Just to ensure you get the terminology correct, unsigned/signed dont overload any arithmetic operators, because they do no exist for any type. The "+", "-" etc are defined in the numeric_std library.

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Thanks for the clarification - not overloaded, because there was no function defined in the first place.

My question is answered, anyway... I'm sure there will be more where that came from though!