Forum Discussion

gAcqu's avatar
gAcqu
Icon for New Contributor rankNew Contributor
5 years ago

what is the problem?

LIBRARY ieee; USE ieee.std_logic_1164.all; USE ieee.std_logic_unsigned.all; ENTITY add_three_numbers IS PORT ( clock : IN STD_LOGIC; A, B, C : IN STD_LOGIC_VECTOR(7 DOWNTO 0); sum : OUT STD_LOG...
imarz1's avatar
imarz1
Icon for New Contributor rankNew Contributor
5 years ago

You must have typed invisible ASCII character in the line:

IF(clock'EVENT AND clock = '1') THEN

So, just delete that line completely, and re-write it.

Also, good to add as first line of code: library IEEE;