Architectures | |
behave | Architecture |
Libraries | |
ieee | |
Packages | |
std_logic_1164 | |
std_logic_arith | |
std_logic_unsigned | |
Ports | |
A | in std_logic_vector ( 7 downto 0 ) |
ALU A input 8-bit from AC. | |
B | in std_logic_vector ( 7 downto 0 ) |
ALU B input 8-bit from B-register. | |
S | out std_logic_vector ( 7 downto 0 ) |
ALU output 8-bit to W-bus. | |
Su | in std_logic |
Low Add, High Sub. | |
Eu | in std_logic |
Active low enable ALU (tri-state). |