Forum Discussion

Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
14 years ago

VHDL Code-Multiplication

I am new to this site. I have to work on a project which needs vhdl coding and I am new to it too. i just need to multiply two elements . so i do that by entering a*b. but i get this error " fo...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
14 years ago

You need to use the signed/unsigned types that are in the numeric_std package.

And don't use std_logic_arith.

resut <= std_logic_vector(unsigned(a) * unsigned(b));