Forum Discussion
Altera_Forum
Honored Contributor
11 years agoobject "std_logic" is used but not declared
I write this code for 8 bit adder : Library ieee; use ieee.std_logic_1164.all; use ieee.std_logic_arith.all; use ieee.std_logic_signed.all; --Use work.fulladd_package.all; -----...
Altera_Forum
Honored Contributor
11 years agoAt the top of each entity you need a new set of library/use clauses. They do not carry throughout the file, only the design unit (entity/package) directly below