Forum Discussion
Altera_Forum
Honored Contributor
10 years agoIdentifier "UNSIGNED" is not directly visible
i have used the following libaries LIBRARY IEEE; USE ieee.std_logic_1164.all; USE ieee.std_logic_arith.all; USE ieee.numeric_std.all; still the error in modelsim shows : ...
Altera_Forum
Honored Contributor
10 years agoline 30 TYPE buf_ary IS ARRAY(NATURAL RANGE <>) OF UNSIGNED(7 DOWNTO 0);
line 31 TYPE buf_ary_d IS ARRAY (NATURAL RANGE <>) OF SIGNED(7 DOWNTO 0);