--------------------------------------------------------- ---------------- Bank description ---------------- --------------------------------------------------------- library IEEE; use IEEE.STD_LOGIC_1164.ALL; use IEEE.STD_LOGIC_arith.ALL; use IEEE.STD_LOGIC_unsigned.ALL; --use IEEE.STD_LOGIC_signed.ALL; ENTITY ram IS port ( A : in std_logic_vector(5 downto 0); CEB, WEB : in std_logic; INN : in std_logic_vector(7 downto 0); OUTT : out std_logic_vector(7 downto 0) ); END ram; ARCHITECTURE dataflow_view OF ram IS SUBTYPE TYPE_WORD IS std_logic_vector(7 downto 0); TYPE TYPE_RAM IS ARRAY(63 DOWNTO 0) OF TYPE_WORD; SIGNAL memory : TYPE_RAM; BEGIN OUTT <= memory( CONV_INTEGER( A ) ); RAM_0 : PROCESS( CEB ) BEGIN IF (CEB='1' AND CEB'EVENT ) THEN IF (WEB='0') THEN memory( CONV_INTEGER( A ) ) <= INN; END IF; END IF; END PROCESS RAM_0; END dataflow_view;