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tobil |
--**********************************************************************************************
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-- General purpose register file for the AVR Core
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-- Version 1.4 (Special version for the JTAG OCD)
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-- Modified 22.04.2004
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-- Designed by Ruslan Lepetenok
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--**********************************************************************************************
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library IEEE;
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use IEEE.std_logic_1164.all;
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use IEEE.std_logic_unsigned.all;
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use WORK.SynthCtrlPack.all; -- Synthesis control
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entity reg_file_cm2 is port (
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cp2_cml_1 : in std_logic;
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--Clock and reset
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cp2 : in std_logic;
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cp2en : in std_logic;
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ireset : in std_logic;
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reg_rd_in : in std_logic_vector(7 downto 0);
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reg_rd_out : out std_logic_vector(7 downto 0);
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reg_rd_out_int : out std_logic_vector(7 downto 0);
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reg_rd_adr : in std_logic_vector(4 downto 0);
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reg_rd_adr_int : in std_logic_vector (4 downto 0);
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reg_rr_out : out std_logic_vector(7 downto 0);
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reg_rr_adr : in std_logic_vector(4 downto 0);
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reg_rd_wr : in std_logic;
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post_inc : in std_logic; -- POST INCREMENT FOR LD/ST INSTRUCTIONS
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pre_dec : in std_logic; -- PRE DECREMENT FOR LD/ST INSTRUCTIONS
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reg_h_wr : in std_logic;
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reg_h_out : out std_logic_vector(15 downto 0);
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reg_h_adr : in std_logic_vector(2 downto 0); -- x,y,z
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reg_z_out : out std_logic_vector(15 downto 0) -- OUTPUT OF R31:R30 FOR LPM/ELPM/IJMP INSTRUCTIONS
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);
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end reg_file_cm2;
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architecture RTL of reg_file_cm2 is
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type register_file_type is array(0 to 25) of std_logic_vector(7 downto 0);
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type register_mux_type is array(0 to 31) of std_logic_vector(7 downto 0);
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signal register_file : register_file_type;
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signal r26h : std_logic_vector(7 downto 0);
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signal r27h : std_logic_vector(7 downto 0);
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signal r28h : std_logic_vector(7 downto 0);
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signal r29h : std_logic_vector(7 downto 0);
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signal r30h : std_logic_vector(7 downto 0);
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signal r31h : std_logic_vector(7 downto 0);
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signal register_wr_en : std_logic_vector(31 downto 0);
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signal sg_rd_decode : std_logic_vector (31 downto 0);
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signal sg_rd_decode_int : std_logic_vector (31 downto 0);
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signal sg_rr_decode : std_logic_vector (31 downto 0);
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--signal sg_tmp_rd_data : register_mux_type;
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signal sg_tmp_rd_data_0 : std_logic_vector(7 downto 0);
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signal sg_tmp_rd_data_1 : std_logic_vector(7 downto 0);
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signal sg_tmp_rd_data_2 : std_logic_vector(7 downto 0);
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signal sg_tmp_rd_data_3 : std_logic_vector(7 downto 0);
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signal sg_tmp_rd_data_4 : std_logic_vector(7 downto 0);
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signal sg_tmp_rd_data_5 : std_logic_vector(7 downto 0);
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signal sg_tmp_rd_data_6 : std_logic_vector(7 downto 0);
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signal sg_tmp_rd_data_7 : std_logic_vector(7 downto 0);
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signal sg_tmp_rd_data_8 : std_logic_vector(7 downto 0);
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signal sg_tmp_rd_data_9 : std_logic_vector(7 downto 0);
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signal sg_tmp_rd_data_10 : std_logic_vector(7 downto 0);
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signal sg_tmp_rd_data_11 : std_logic_vector(7 downto 0);
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signal sg_tmp_rd_data_12 : std_logic_vector(7 downto 0);
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signal sg_tmp_rd_data_13 : std_logic_vector(7 downto 0);
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signal sg_tmp_rd_data_14 : std_logic_vector(7 downto 0);
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signal sg_tmp_rd_data_15 : std_logic_vector(7 downto 0);
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signal sg_tmp_rd_data_16 : std_logic_vector(7 downto 0);
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signal sg_tmp_rd_data_17 : std_logic_vector(7 downto 0);
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signal sg_tmp_rd_data_18 : std_logic_vector(7 downto 0);
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signal sg_tmp_rd_data_19 : std_logic_vector(7 downto 0);
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signal sg_tmp_rd_data_20 : std_logic_vector(7 downto 0);
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signal sg_tmp_rd_data_21 : std_logic_vector(7 downto 0);
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signal sg_tmp_rd_data_22 : std_logic_vector(7 downto 0);
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signal sg_tmp_rd_data_23 : std_logic_vector(7 downto 0);
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signal sg_tmp_rd_data_24 : std_logic_vector(7 downto 0);
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signal sg_tmp_rd_data_25 : std_logic_vector(7 downto 0);
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signal sg_tmp_rd_data_26 : std_logic_vector(7 downto 0);
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signal sg_tmp_rd_data_27 : std_logic_vector(7 downto 0);
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signal sg_tmp_rd_data_28 : std_logic_vector(7 downto 0);
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signal sg_tmp_rd_data_29 : std_logic_vector(7 downto 0);
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signal sg_tmp_rd_data_30 : std_logic_vector(7 downto 0);
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signal sg_tmp_rd_data_31 : std_logic_vector(7 downto 0);
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signal sg_tmp_rd_data_0_int : std_logic_vector(7 downto 0);
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signal sg_tmp_rd_data_1_int : std_logic_vector(7 downto 0);
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signal sg_tmp_rd_data_2_int : std_logic_vector(7 downto 0);
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signal sg_tmp_rd_data_3_int : std_logic_vector(7 downto 0);
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signal sg_tmp_rd_data_4_int : std_logic_vector(7 downto 0);
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signal sg_tmp_rd_data_5_int : std_logic_vector(7 downto 0);
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signal sg_tmp_rd_data_6_int : std_logic_vector(7 downto 0);
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signal sg_tmp_rd_data_7_int : std_logic_vector(7 downto 0);
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signal sg_tmp_rd_data_8_int : std_logic_vector(7 downto 0);
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signal sg_tmp_rd_data_9_int : std_logic_vector(7 downto 0);
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signal sg_tmp_rd_data_10_int : std_logic_vector(7 downto 0);
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signal sg_tmp_rd_data_11_int : std_logic_vector(7 downto 0);
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signal sg_tmp_rd_data_12_int : std_logic_vector(7 downto 0);
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signal sg_tmp_rd_data_13_int : std_logic_vector(7 downto 0);
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signal sg_tmp_rd_data_14_int : std_logic_vector(7 downto 0);
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signal sg_tmp_rd_data_15_int : std_logic_vector(7 downto 0);
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signal sg_tmp_rd_data_16_int : std_logic_vector(7 downto 0);
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signal sg_tmp_rd_data_17_int : std_logic_vector(7 downto 0);
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signal sg_tmp_rd_data_18_int : std_logic_vector(7 downto 0);
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signal sg_tmp_rd_data_19_int : std_logic_vector(7 downto 0);
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signal sg_tmp_rd_data_20_int : std_logic_vector(7 downto 0);
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signal sg_tmp_rd_data_21_int : std_logic_vector(7 downto 0);
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signal sg_tmp_rd_data_22_int : std_logic_vector(7 downto 0);
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signal sg_tmp_rd_data_23_int : std_logic_vector(7 downto 0);
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signal sg_tmp_rd_data_24_int : std_logic_vector(7 downto 0);
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signal sg_tmp_rd_data_25_int : std_logic_vector(7 downto 0);
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signal sg_tmp_rd_data_26_int : std_logic_vector(7 downto 0);
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signal sg_tmp_rd_data_27_int : std_logic_vector(7 downto 0);
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signal sg_tmp_rd_data_28_int : std_logic_vector(7 downto 0);
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signal sg_tmp_rd_data_29_int : std_logic_vector(7 downto 0);
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signal sg_tmp_rd_data_30_int : std_logic_vector(7 downto 0);
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signal sg_tmp_rd_data_31_int : std_logic_vector(7 downto 0);
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--signal sg_tmp_rr_data : register_mux_type;
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signal sg_tmp_rr_data_0 : std_logic_vector(7 downto 0);
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signal sg_tmp_rr_data_1 : std_logic_vector(7 downto 0);
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signal sg_tmp_rr_data_2 : std_logic_vector(7 downto 0);
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signal sg_tmp_rr_data_3 : std_logic_vector(7 downto 0);
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signal sg_tmp_rr_data_4 : std_logic_vector(7 downto 0);
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signal sg_tmp_rr_data_5 : std_logic_vector(7 downto 0);
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signal sg_tmp_rr_data_6 : std_logic_vector(7 downto 0);
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signal sg_tmp_rr_data_7 : std_logic_vector(7 downto 0);
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signal sg_tmp_rr_data_8 : std_logic_vector(7 downto 0);
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signal sg_tmp_rr_data_9 : std_logic_vector(7 downto 0);
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signal sg_tmp_rr_data_10 : std_logic_vector(7 downto 0);
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signal sg_tmp_rr_data_11 : std_logic_vector(7 downto 0);
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signal sg_tmp_rr_data_12 : std_logic_vector(7 downto 0);
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signal sg_tmp_rr_data_13 : std_logic_vector(7 downto 0);
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signal sg_tmp_rr_data_14 : std_logic_vector(7 downto 0);
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signal sg_tmp_rr_data_15 : std_logic_vector(7 downto 0);
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signal sg_tmp_rr_data_16 : std_logic_vector(7 downto 0);
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signal sg_tmp_rr_data_17 : std_logic_vector(7 downto 0);
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signal sg_tmp_rr_data_18 : std_logic_vector(7 downto 0);
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signal sg_tmp_rr_data_19 : std_logic_vector(7 downto 0);
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signal sg_tmp_rr_data_20 : std_logic_vector(7 downto 0);
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signal sg_tmp_rr_data_21 : std_logic_vector(7 downto 0);
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signal sg_tmp_rr_data_22 : std_logic_vector(7 downto 0);
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signal sg_tmp_rr_data_23 : std_logic_vector(7 downto 0);
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signal sg_tmp_rr_data_24 : std_logic_vector(7 downto 0);
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signal sg_tmp_rr_data_25 : std_logic_vector(7 downto 0);
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signal sg_tmp_rr_data_26 : std_logic_vector(7 downto 0);
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signal sg_tmp_rr_data_27 : std_logic_vector(7 downto 0);
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signal sg_tmp_rr_data_28 : std_logic_vector(7 downto 0);
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signal sg_tmp_rr_data_29 : std_logic_vector(7 downto 0);
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signal sg_tmp_rr_data_30 : std_logic_vector(7 downto 0);
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signal sg_tmp_rr_data_31 : std_logic_vector(7 downto 0);
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signal sg_adr16_postinc : std_logic_vector (15 downto 0);
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signal sg_adr16_predec : std_logic_vector (15 downto 0);
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signal reg_h_in : std_logic_vector (15 downto 0);
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signal sg_tmp_h_data : std_logic_vector (15 downto 0);
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signal reg_rd_adr_cml_1 : std_logic_vector ( 4 downto 0 );
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signal register_file_cml_1 : register_file_type;
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signal r26h_cml_1 : std_logic_vector ( 7 downto 0 );
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signal r27h_cml_1 : std_logic_vector ( 7 downto 0 );
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signal r28h_cml_1 : std_logic_vector ( 7 downto 0 );
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signal r29h_cml_1 : std_logic_vector ( 7 downto 0 );
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signal reg_z_out_cml_out : std_logic_vector ( 15 downto 0 );
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signal r30h_cml_1 : std_logic_vector ( 7 downto 0 );
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signal r31h_cml_1 : std_logic_vector ( 7 downto 0 );
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begin
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process(cp2_cml_1) begin
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if (cp2_cml_1 = '1' and cp2_cml_1'event) then
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reg_rd_adr_cml_1 <= reg_rd_adr;
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register_file_cml_1 <= register_file;
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r26h_cml_1 <= r26h;
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r27h_cml_1 <= r27h;
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r28h_cml_1 <= r28h;
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r29h_cml_1 <= r29h;
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r30h_cml_1 <= r30h;
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r31h_cml_1 <= r31h;
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end if;
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end process;
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reg_z_out <= reg_z_out_cml_out;
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write_decode: for i in 0 to 31 generate
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-- SynEDA CoreMultiplier
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-- assignment(s): register_wr_en
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-- replace(s): reg_rd_adr
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register_wr_en(i) <= '1' when (i=reg_rd_adr_cml_1 and reg_rd_wr='1') else '0';
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end generate;
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rd_mux_decode: for i in 0 to 31 generate
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sg_rd_decode(i) <= '1' when (reg_rd_adr=i) else '0';
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end generate;
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rd_mux_decode_int: for i in 0 to 31 generate
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sg_rd_decode_int(i) <= '1' when (reg_rd_adr_int=i) else '0';
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end generate;
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rr_mux_decode: for i in 0 to 31 generate
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sg_rr_decode(i) <= '1' when (reg_rr_adr=i) else '0';
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end generate;
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-- SynEDA CoreMultiplier
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-- assignment(s): reg_z_out
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-- replace(s): r30h, r31h
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reg_z_out_cml_out <= r31h_cml_1&r30h_cml_1; -- R31:R30 OUTPUT FOR LPM/ELPM INSTRUCTIONS
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--sg_tmp_rd_data(0) <= register_file(0) when sg_rd_decode(0)='1' else (others=>'0');
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--read_rd_mux: for i in 1 to 25 generate
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--sg_tmp_rd_data(i) <= register_file(i) when sg_rd_decode(i)='1' else sg_tmp_rd_data(i-1);
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--end generate;
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--sg_tmp_rd_data(26) <= r26h when sg_rd_decode(26)='1' else sg_tmp_rd_data(25);
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--sg_tmp_rd_data(27) <= r27h when sg_rd_decode(27)='1' else sg_tmp_rd_data(26);
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--sg_tmp_rd_data(28) <= r28h when sg_rd_decode(28)='1' else sg_tmp_rd_data(27);
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--sg_tmp_rd_data(29) <= r29h when sg_rd_decode(29)='1' else sg_tmp_rd_data(28);
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--sg_tmp_rd_data(30) <= r30h when sg_rd_decode(30)='1' else sg_tmp_rd_data(29);
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--sg_tmp_rd_data(31) <= r31h when sg_rd_decode(31)='1' else sg_tmp_rd_data(30);
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--reg_rd_out <= sg_tmp_rd_data(31);
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sg_tmp_rd_data_0 <= register_file(0) when sg_rd_decode(0)='1' else (others=>'0');
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sg_tmp_rd_data_1 <= register_file(1) when sg_rd_decode(1)='1' else sg_tmp_rd_data_0;
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sg_tmp_rd_data_2 <= register_file(2) when sg_rd_decode(2)='1' else sg_tmp_rd_data_1;
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sg_tmp_rd_data_3 <= register_file(3) when sg_rd_decode(3)='1' else sg_tmp_rd_data_2;
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sg_tmp_rd_data_4 <= register_file(4) when sg_rd_decode(4)='1' else sg_tmp_rd_data_3;
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sg_tmp_rd_data_5 <= register_file(5) when sg_rd_decode(5)='1' else sg_tmp_rd_data_4;
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sg_tmp_rd_data_6 <= register_file(6) when sg_rd_decode(6)='1' else sg_tmp_rd_data_5;
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sg_tmp_rd_data_7 <= register_file(7) when sg_rd_decode(7)='1' else sg_tmp_rd_data_6;
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sg_tmp_rd_data_8 <= register_file(8) when sg_rd_decode(8)='1' else sg_tmp_rd_data_7;
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sg_tmp_rd_data_9 <= register_file(9) when sg_rd_decode(9)='1' else sg_tmp_rd_data_8;
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sg_tmp_rd_data_10 <= register_file(10) when sg_rd_decode(10)='1' else sg_tmp_rd_data_9;
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sg_tmp_rd_data_11 <= register_file(11) when sg_rd_decode(11)='1' else sg_tmp_rd_data_10;
|
| 242 |
|
|
sg_tmp_rd_data_12 <= register_file(12) when sg_rd_decode(12)='1' else sg_tmp_rd_data_11;
|
| 243 |
|
|
sg_tmp_rd_data_13 <= register_file(13) when sg_rd_decode(13)='1' else sg_tmp_rd_data_12;
|
| 244 |
|
|
sg_tmp_rd_data_14 <= register_file(14) when sg_rd_decode(14)='1' else sg_tmp_rd_data_13;
|
| 245 |
|
|
sg_tmp_rd_data_15 <= register_file(15) when sg_rd_decode(15)='1' else sg_tmp_rd_data_14;
|
| 246 |
|
|
sg_tmp_rd_data_16 <= register_file(16) when sg_rd_decode(16)='1' else sg_tmp_rd_data_15;
|
| 247 |
|
|
sg_tmp_rd_data_17 <= register_file(17) when sg_rd_decode(17)='1' else sg_tmp_rd_data_16;
|
| 248 |
|
|
sg_tmp_rd_data_18 <= register_file(18) when sg_rd_decode(18)='1' else sg_tmp_rd_data_17;
|
| 249 |
|
|
sg_tmp_rd_data_19 <= register_file(19) when sg_rd_decode(19)='1' else sg_tmp_rd_data_18;
|
| 250 |
|
|
sg_tmp_rd_data_20 <= register_file(20) when sg_rd_decode(20)='1' else sg_tmp_rd_data_19;
|
| 251 |
|
|
sg_tmp_rd_data_21 <= register_file(21) when sg_rd_decode(21)='1' else sg_tmp_rd_data_20;
|
| 252 |
|
|
sg_tmp_rd_data_22 <= register_file(22) when sg_rd_decode(22)='1' else sg_tmp_rd_data_21;
|
| 253 |
|
|
sg_tmp_rd_data_23 <= register_file(23) when sg_rd_decode(23)='1' else sg_tmp_rd_data_22;
|
| 254 |
|
|
sg_tmp_rd_data_24 <= register_file(24) when sg_rd_decode(24)='1' else sg_tmp_rd_data_23;
|
| 255 |
|
|
sg_tmp_rd_data_25 <= register_file(25) when sg_rd_decode(25)='1' else sg_tmp_rd_data_24;
|
| 256 |
|
|
sg_tmp_rd_data_26 <= r26h when sg_rd_decode(26)='1' else sg_tmp_rd_data_25;
|
| 257 |
|
|
sg_tmp_rd_data_27 <= r27h when sg_rd_decode(27)='1' else sg_tmp_rd_data_26;
|
| 258 |
|
|
sg_tmp_rd_data_28 <= r28h when sg_rd_decode(28)='1' else sg_tmp_rd_data_27;
|
| 259 |
|
|
sg_tmp_rd_data_29 <= r29h when sg_rd_decode(29)='1' else sg_tmp_rd_data_28;
|
| 260 |
|
|
sg_tmp_rd_data_30 <= r30h when sg_rd_decode(30)='1' else sg_tmp_rd_data_29;
|
| 261 |
|
|
sg_tmp_rd_data_31 <= r31h when sg_rd_decode(31)='1' else sg_tmp_rd_data_30;
|
| 262 |
|
|
reg_rd_out <= sg_tmp_rd_data_31;
|
| 263 |
|
|
|
| 264 |
|
|
sg_tmp_rd_data_0_int <= register_file(0) when sg_rd_decode_int(0)='1' else (others=>'0');
|
| 265 |
|
|
sg_tmp_rd_data_1_int <= register_file(1) when sg_rd_decode_int(1)='1' else sg_tmp_rd_data_0_int;
|
| 266 |
|
|
sg_tmp_rd_data_2_int <= register_file(2) when sg_rd_decode_int(2)='1' else sg_tmp_rd_data_1_int;
|
| 267 |
|
|
sg_tmp_rd_data_3_int <= register_file(3) when sg_rd_decode_int(3)='1' else sg_tmp_rd_data_2_int;
|
| 268 |
|
|
sg_tmp_rd_data_4_int <= register_file(4) when sg_rd_decode_int(4)='1' else sg_tmp_rd_data_3_int;
|
| 269 |
|
|
sg_tmp_rd_data_5_int <= register_file(5) when sg_rd_decode_int(5)='1' else sg_tmp_rd_data_4_int;
|
| 270 |
|
|
sg_tmp_rd_data_6_int <= register_file(6) when sg_rd_decode_int(6)='1' else sg_tmp_rd_data_5_int;
|
| 271 |
|
|
sg_tmp_rd_data_7_int <= register_file(7) when sg_rd_decode_int(7)='1' else sg_tmp_rd_data_6_int;
|
| 272 |
|
|
sg_tmp_rd_data_8_int <= register_file(8) when sg_rd_decode_int(8)='1' else sg_tmp_rd_data_7_int;
|
| 273 |
|
|
sg_tmp_rd_data_9_int <= register_file(9) when sg_rd_decode_int(9)='1' else sg_tmp_rd_data_8_int;
|
| 274 |
|
|
sg_tmp_rd_data_10_int <= register_file(10) when sg_rd_decode_int(10)='1' else sg_tmp_rd_data_9_int;
|
| 275 |
|
|
sg_tmp_rd_data_11_int <= register_file(11) when sg_rd_decode_int(11)='1' else sg_tmp_rd_data_10_int;
|
| 276 |
|
|
sg_tmp_rd_data_12_int <= register_file(12) when sg_rd_decode_int(12)='1' else sg_tmp_rd_data_11_int;
|
| 277 |
|
|
sg_tmp_rd_data_13_int <= register_file(13) when sg_rd_decode_int(13)='1' else sg_tmp_rd_data_12_int;
|
| 278 |
|
|
sg_tmp_rd_data_14_int <= register_file(14) when sg_rd_decode_int(14)='1' else sg_tmp_rd_data_13_int;
|
| 279 |
|
|
sg_tmp_rd_data_15_int <= register_file(15) when sg_rd_decode_int(15)='1' else sg_tmp_rd_data_14_int;
|
| 280 |
|
|
sg_tmp_rd_data_16_int <= register_file(16) when sg_rd_decode_int(16)='1' else sg_tmp_rd_data_15_int;
|
| 281 |
|
|
sg_tmp_rd_data_17_int <= register_file(17) when sg_rd_decode_int(17)='1' else sg_tmp_rd_data_16_int;
|
| 282 |
|
|
sg_tmp_rd_data_18_int <= register_file(18) when sg_rd_decode_int(18)='1' else sg_tmp_rd_data_17_int;
|
| 283 |
|
|
sg_tmp_rd_data_19_int <= register_file(19) when sg_rd_decode_int(19)='1' else sg_tmp_rd_data_18_int;
|
| 284 |
|
|
sg_tmp_rd_data_20_int <= register_file(20) when sg_rd_decode_int(20)='1' else sg_tmp_rd_data_19_int;
|
| 285 |
|
|
sg_tmp_rd_data_21_int <= register_file(21) when sg_rd_decode_int(21)='1' else sg_tmp_rd_data_20_int;
|
| 286 |
|
|
sg_tmp_rd_data_22_int <= register_file(22) when sg_rd_decode_int(22)='1' else sg_tmp_rd_data_21_int;
|
| 287 |
|
|
sg_tmp_rd_data_23_int <= register_file(23) when sg_rd_decode_int(23)='1' else sg_tmp_rd_data_22_int;
|
| 288 |
|
|
sg_tmp_rd_data_24_int <= register_file(24) when sg_rd_decode_int(24)='1' else sg_tmp_rd_data_23_int;
|
| 289 |
|
|
sg_tmp_rd_data_25_int <= register_file(25) when sg_rd_decode_int(25)='1' else sg_tmp_rd_data_24_int;
|
| 290 |
|
|
sg_tmp_rd_data_26_int <= r26h when sg_rd_decode_int(26)='1' else sg_tmp_rd_data_25_int;
|
| 291 |
|
|
sg_tmp_rd_data_27_int <= r27h when sg_rd_decode_int(27)='1' else sg_tmp_rd_data_26_int;
|
| 292 |
|
|
sg_tmp_rd_data_28_int <= r28h when sg_rd_decode_int(28)='1' else sg_tmp_rd_data_27_int;
|
| 293 |
|
|
sg_tmp_rd_data_29_int <= r29h when sg_rd_decode_int(29)='1' else sg_tmp_rd_data_28_int;
|
| 294 |
|
|
sg_tmp_rd_data_30_int <= r30h when sg_rd_decode_int(30)='1' else sg_tmp_rd_data_29_int;
|
| 295 |
|
|
sg_tmp_rd_data_31_int <= r31h when sg_rd_decode_int(31)='1' else sg_tmp_rd_data_30_int;
|
| 296 |
|
|
reg_rd_out_int <= sg_tmp_rd_data_31_int;
|
| 297 |
|
|
|
| 298 |
|
|
--sg_tmp_rr_data(0) <= register_file(0) when sg_rr_decode(0)='1' else (others=>'0');
|
| 299 |
|
|
--read_rr_mux: for i in 1 to 25 generate
|
| 300 |
|
|
--sg_tmp_rr_data(i) <= register_file(i) when sg_rr_decode(i)='1' else sg_tmp_rr_data(i-1);
|
| 301 |
|
|
--end generate;
|
| 302 |
|
|
--sg_tmp_rr_data() <= register_file() when sg_rr_decode()='1' else sg_tmp_rr_data();
|
| 303 |
|
|
--sg_tmp_rr_data(26) <= r26h when sg_rr_decode(26)='1' else sg_tmp_rr_data(25);
|
| 304 |
|
|
--sg_tmp_rr_data(27) <= r27h when sg_rr_decode(27)='1' else sg_tmp_rr_data(26);
|
| 305 |
|
|
--sg_tmp_rr_data(28) <= r28h when sg_rr_decode(28)='1' else sg_tmp_rr_data(27);
|
| 306 |
|
|
--sg_tmp_rr_data(29) <= r29h when sg_rr_decode(29)='1' else sg_tmp_rr_data(28);
|
| 307 |
|
|
--sg_tmp_rr_data(30) <= r30h when sg_rr_decode(30)='1' else sg_tmp_rr_data(29);
|
| 308 |
|
|
--sg_tmp_rr_data(31) <= r31h when sg_rr_decode(31)='1' else sg_tmp_rr_data(30);
|
| 309 |
|
|
--reg_rr_out <= sg_tmp_rr_data(31);
|
| 310 |
|
|
|
| 311 |
|
|
|
| 312 |
|
|
sg_tmp_rr_data_0 <= register_file(0) when sg_rr_decode(0)='1' else (others=>'0');
|
| 313 |
|
|
sg_tmp_rr_data_1 <= register_file(1) when sg_rr_decode(1)='1' else sg_tmp_rr_data_0;
|
| 314 |
|
|
sg_tmp_rr_data_2 <= register_file(2) when sg_rr_decode(2)='1' else sg_tmp_rr_data_1;
|
| 315 |
|
|
sg_tmp_rr_data_3 <= register_file(3) when sg_rr_decode(3)='1' else sg_tmp_rr_data_2;
|
| 316 |
|
|
sg_tmp_rr_data_4 <= register_file(4) when sg_rr_decode(4)='1' else sg_tmp_rr_data_3;
|
| 317 |
|
|
sg_tmp_rr_data_5 <= register_file(5) when sg_rr_decode(5)='1' else sg_tmp_rr_data_4;
|
| 318 |
|
|
sg_tmp_rr_data_6 <= register_file(6) when sg_rr_decode(6)='1' else sg_tmp_rr_data_5;
|
| 319 |
|
|
sg_tmp_rr_data_7 <= register_file(7) when sg_rr_decode(7)='1' else sg_tmp_rr_data_6;
|
| 320 |
|
|
sg_tmp_rr_data_8 <= register_file(8) when sg_rr_decode(8)='1' else sg_tmp_rr_data_7;
|
| 321 |
|
|
sg_tmp_rr_data_9 <= register_file(9) when sg_rr_decode(9)='1' else sg_tmp_rr_data_8;
|
| 322 |
|
|
sg_tmp_rr_data_10 <= register_file(10) when sg_rr_decode(10)='1' else sg_tmp_rr_data_9;
|
| 323 |
|
|
sg_tmp_rr_data_11 <= register_file(11) when sg_rr_decode(11)='1' else sg_tmp_rr_data_10;
|
| 324 |
|
|
sg_tmp_rr_data_12 <= register_file(12) when sg_rr_decode(12)='1' else sg_tmp_rr_data_11;
|
| 325 |
|
|
sg_tmp_rr_data_13 <= register_file(13) when sg_rr_decode(13)='1' else sg_tmp_rr_data_12;
|
| 326 |
|
|
sg_tmp_rr_data_14 <= register_file(14) when sg_rr_decode(14)='1' else sg_tmp_rr_data_13;
|
| 327 |
|
|
sg_tmp_rr_data_15 <= register_file(15) when sg_rr_decode(15)='1' else sg_tmp_rr_data_14;
|
| 328 |
|
|
sg_tmp_rr_data_16 <= register_file(16) when sg_rr_decode(16)='1' else sg_tmp_rr_data_15;
|
| 329 |
|
|
sg_tmp_rr_data_17 <= register_file(17) when sg_rr_decode(17)='1' else sg_tmp_rr_data_16;
|
| 330 |
|
|
sg_tmp_rr_data_18 <= register_file(18) when sg_rr_decode(18)='1' else sg_tmp_rr_data_17;
|
| 331 |
|
|
sg_tmp_rr_data_19 <= register_file(19) when sg_rr_decode(19)='1' else sg_tmp_rr_data_18;
|
| 332 |
|
|
sg_tmp_rr_data_20 <= register_file(20) when sg_rr_decode(20)='1' else sg_tmp_rr_data_19;
|
| 333 |
|
|
sg_tmp_rr_data_21 <= register_file(21) when sg_rr_decode(21)='1' else sg_tmp_rr_data_20;
|
| 334 |
|
|
sg_tmp_rr_data_22 <= register_file(22) when sg_rr_decode(22)='1' else sg_tmp_rr_data_21;
|
| 335 |
|
|
sg_tmp_rr_data_23 <= register_file(23) when sg_rr_decode(23)='1' else sg_tmp_rr_data_22;
|
| 336 |
|
|
sg_tmp_rr_data_24 <= register_file(24) when sg_rr_decode(24)='1' else sg_tmp_rr_data_23;
|
| 337 |
|
|
sg_tmp_rr_data_25 <= register_file(25) when sg_rr_decode(25)='1' else sg_tmp_rr_data_24;
|
| 338 |
|
|
sg_tmp_rr_data_26 <= r26h when sg_rr_decode(26)='1' else sg_tmp_rr_data_25;
|
| 339 |
|
|
sg_tmp_rr_data_27 <= r27h when sg_rr_decode(27)='1' else sg_tmp_rr_data_26;
|
| 340 |
|
|
sg_tmp_rr_data_28 <= r28h when sg_rr_decode(28)='1' else sg_tmp_rr_data_27;
|
| 341 |
|
|
sg_tmp_rr_data_29 <= r29h when sg_rr_decode(29)='1' else sg_tmp_rr_data_28;
|
| 342 |
|
|
sg_tmp_rr_data_30 <= r30h when sg_rr_decode(30)='1' else sg_tmp_rr_data_29;
|
| 343 |
|
|
sg_tmp_rr_data_31 <= r31h when sg_rr_decode(31)='1' else sg_tmp_rr_data_30;
|
| 344 |
|
|
reg_rr_out <= sg_tmp_rr_data_31;
|
| 345 |
|
|
|
| 346 |
|
|
|
| 347 |
|
|
h_dat_mux_l:for i in 0 to 7 generate
|
| 348 |
|
|
sg_tmp_h_data(i) <= (r26h_cml_1(i) and reg_h_adr(0)) or (r28h_cml_1(i) and reg_h_adr(1)) or (r30h_cml_1(i) and reg_h_adr(2));
|
| 349 |
|
|
end generate;
|
| 350 |
|
|
h_dat_mux_h:for i in 8 to 15 generate
|
| 351 |
|
|
-- SynEDA CoreMultiplier
|
| 352 |
|
|
-- assignment(s): sg_tmp_h_data
|
| 353 |
|
|
-- replace(s): r26h, r27h, r28h, r29h, r30h, r31h
|
| 354 |
|
|
|
| 355 |
|
|
sg_tmp_h_data(i) <= (r27h_cml_1(i-8) and reg_h_adr(0)) or (r29h_cml_1(i-8) and reg_h_adr(1)) or (r31h_cml_1(i-8) and reg_h_adr(2));
|
| 356 |
|
|
end generate;
|
| 357 |
|
|
|
| 358 |
|
|
|
| 359 |
|
|
sg_adr16_postinc <= sg_tmp_h_data +1;
|
| 360 |
|
|
sg_adr16_predec <= sg_tmp_h_data -1;
|
| 361 |
|
|
-- OUTPUT TO THE ADDRESS BUS
|
| 362 |
|
|
reg_h_out <= sg_adr16_predec when (pre_dec='1') else -- PREDECREMENT
|
| 363 |
|
|
sg_tmp_h_data; -- NO PREDECREMENT
|
| 364 |
|
|
|
| 365 |
|
|
-- TO REGISTERS
|
| 366 |
|
|
reg_h_in <= sg_adr16_postinc when (post_inc='1') else -- POST INC
|
| 367 |
|
|
sg_adr16_predec; -- PRE DEC
|
| 368 |
|
|
|
| 369 |
|
|
-- Register file with global reset (for simulation)
|
| 370 |
|
|
|
| 371 |
|
|
RegFileWithRst:if CResetRegFile generate
|
| 372 |
|
|
|
| 373 |
|
|
-- SynEDA CoreMultiplier
|
| 374 |
|
|
-- assignment(s): register_file
|
| 375 |
|
|
-- replace(s): register_file
|
| 376 |
|
|
|
| 377 |
|
|
R0_R25:process(cp2,ireset)
|
| 378 |
|
|
begin
|
| 379 |
|
|
if ireset='0' then
|
| 380 |
|
|
for i in 0 to 25 loop
|
| 381 |
|
|
register_file(i) <= (others =>'0');
|
| 382 |
|
|
end loop;
|
| 383 |
|
|
elsif (cp2='1' and cp2'event) then register_file <= register_file_cml_1;
|
| 384 |
|
|
if (cp2en='1') then -- Clock enable
|
| 385 |
|
|
for i in 0 to 25 loop
|
| 386 |
|
|
if register_wr_en(i)='1' then
|
| 387 |
|
|
register_file(i) <= reg_rd_in;
|
| 388 |
|
|
end if;
|
| 389 |
|
|
end loop;
|
| 390 |
|
|
end if;
|
| 391 |
|
|
end if;
|
| 392 |
|
|
end process;
|
| 393 |
|
|
|
| 394 |
|
|
|
| 395 |
|
|
-- SynEDA CoreMultiplier
|
| 396 |
|
|
-- assignment(s): r26h
|
| 397 |
|
|
-- replace(s): r26h
|
| 398 |
|
|
|
| 399 |
|
|
-- R26 (LOW)
|
| 400 |
|
|
R26:process(cp2,ireset)
|
| 401 |
|
|
begin
|
| 402 |
|
|
if ireset='0' then
|
| 403 |
|
|
r26h <= (others =>'0');
|
| 404 |
|
|
elsif (cp2='1' and cp2'event) then r26h <= r26h_cml_1;
|
| 405 |
|
|
if (cp2en='1') then -- Clock enable
|
| 406 |
|
|
if register_wr_en(26)='1' then
|
| 407 |
|
|
r26h <= reg_rd_in;
|
| 408 |
|
|
elsif (reg_h_adr(0)='1'and reg_h_wr='1') then
|
| 409 |
|
|
r26h <= reg_h_in(7 downto 0);
|
| 410 |
|
|
end if;
|
| 411 |
|
|
end if;
|
| 412 |
|
|
end if;
|
| 413 |
|
|
end process;
|
| 414 |
|
|
|
| 415 |
|
|
-- SynEDA CoreMultiplier
|
| 416 |
|
|
-- assignment(s): r27h
|
| 417 |
|
|
-- replace(s): r27h
|
| 418 |
|
|
|
| 419 |
|
|
-- R27 (HIGH)
|
| 420 |
|
|
R27:process(cp2,ireset)
|
| 421 |
|
|
begin
|
| 422 |
|
|
if ireset='0' then
|
| 423 |
|
|
r27h <= (others =>'0');
|
| 424 |
|
|
elsif (cp2='1' and cp2'event) then r27h <= r27h_cml_1;
|
| 425 |
|
|
if (cp2en='1') then -- Clock enable
|
| 426 |
|
|
if register_wr_en(27)='1' then
|
| 427 |
|
|
r27h <= reg_rd_in;
|
| 428 |
|
|
elsif (reg_h_adr(0)='1'and reg_h_wr='1') then
|
| 429 |
|
|
r27h <= reg_h_in(15 downto 8);
|
| 430 |
|
|
end if;
|
| 431 |
|
|
end if;
|
| 432 |
|
|
end if;
|
| 433 |
|
|
end process;
|
| 434 |
|
|
|
| 435 |
|
|
-- SynEDA CoreMultiplier
|
| 436 |
|
|
-- assignment(s): r28h
|
| 437 |
|
|
-- replace(s): r28h
|
| 438 |
|
|
|
| 439 |
|
|
-- R28 (LOW)
|
| 440 |
|
|
R28:process(cp2,ireset)
|
| 441 |
|
|
begin
|
| 442 |
|
|
if ireset='0' then
|
| 443 |
|
|
r28h <= (others =>'0');
|
| 444 |
|
|
elsif (cp2='1' and cp2'event) then r28h <= r28h_cml_1;
|
| 445 |
|
|
if (cp2en='1') then -- Clock enable
|
| 446 |
|
|
if register_wr_en(28)='1' then
|
| 447 |
|
|
r28h <= reg_rd_in;
|
| 448 |
|
|
elsif (reg_h_adr(1)='1'and reg_h_wr='1') then
|
| 449 |
|
|
r28h <= reg_h_in(7 downto 0);
|
| 450 |
|
|
end if;
|
| 451 |
|
|
end if;
|
| 452 |
|
|
end if;
|
| 453 |
|
|
end process;
|
| 454 |
|
|
|
| 455 |
|
|
-- SynEDA CoreMultiplier
|
| 456 |
|
|
-- assignment(s): r29h
|
| 457 |
|
|
-- replace(s): r29h
|
| 458 |
|
|
|
| 459 |
|
|
-- R29 (HIGH)
|
| 460 |
|
|
R29:process(cp2,ireset)
|
| 461 |
|
|
begin
|
| 462 |
|
|
if ireset='0' then
|
| 463 |
|
|
r29h <= (others =>'0');
|
| 464 |
|
|
elsif (cp2='1' and cp2'event) then r29h <= r29h_cml_1;
|
| 465 |
|
|
if (cp2en='1') then -- Clock enable
|
| 466 |
|
|
if register_wr_en(29)='1' then
|
| 467 |
|
|
r29h <= reg_rd_in;
|
| 468 |
|
|
elsif (reg_h_adr(1)='1'and reg_h_wr='1') then
|
| 469 |
|
|
r29h <= reg_h_in(15 downto 8);
|
| 470 |
|
|
end if;
|
| 471 |
|
|
end if;
|
| 472 |
|
|
end if;
|
| 473 |
|
|
end process;
|
| 474 |
|
|
|
| 475 |
|
|
-- SynEDA CoreMultiplier
|
| 476 |
|
|
-- assignment(s): r30h
|
| 477 |
|
|
-- replace(s): r30h
|
| 478 |
|
|
|
| 479 |
|
|
-- R30 (LOW)
|
| 480 |
|
|
R30:process(cp2,ireset)
|
| 481 |
|
|
begin
|
| 482 |
|
|
if ireset='0' then
|
| 483 |
|
|
r30h <= (others =>'0');
|
| 484 |
|
|
elsif (cp2='1' and cp2'event) then r30h <= r30h_cml_1;
|
| 485 |
|
|
if (cp2en='1') then -- Clock enable
|
| 486 |
|
|
if register_wr_en(30)='1' then
|
| 487 |
|
|
r30h <= reg_rd_in;
|
| 488 |
|
|
elsif (reg_h_adr(2)='1'and reg_h_wr='1') then
|
| 489 |
|
|
r30h <= reg_h_in(7 downto 0);
|
| 490 |
|
|
end if;
|
| 491 |
|
|
end if;
|
| 492 |
|
|
end if;
|
| 493 |
|
|
end process;
|
| 494 |
|
|
|
| 495 |
|
|
-- SynEDA CoreMultiplier
|
| 496 |
|
|
-- assignment(s): r31h
|
| 497 |
|
|
-- replace(s): r31h
|
| 498 |
|
|
|
| 499 |
|
|
-- R31 (HIGH)
|
| 500 |
|
|
R31:process(cp2,ireset)
|
| 501 |
|
|
begin
|
| 502 |
|
|
if ireset='0' then
|
| 503 |
|
|
r31h <= (others =>'0');
|
| 504 |
|
|
elsif (cp2='1' and cp2'event) then r31h <= r31h_cml_1;
|
| 505 |
|
|
if (cp2en='1') then -- Clock enable
|
| 506 |
|
|
if register_wr_en(31)='1' then
|
| 507 |
|
|
r31h <= reg_rd_in;
|
| 508 |
|
|
elsif (reg_h_adr(2)='1'and reg_h_wr='1') then
|
| 509 |
|
|
r31h <= reg_h_in(15 downto 8);
|
| 510 |
|
|
end if;
|
| 511 |
|
|
end if;
|
| 512 |
|
|
end if;
|
| 513 |
|
|
end process;
|
| 514 |
|
|
|
| 515 |
|
|
end generate;
|
| 516 |
|
|
|
| 517 |
|
|
|
| 518 |
|
|
-- Register file without global reset (for synthesis)
|
| 519 |
|
|
|
| 520 |
|
|
RegFileWithoutRst:if not CResetRegFile generate
|
| 521 |
|
|
|
| 522 |
|
|
R0_R25:process(cp2)
|
| 523 |
|
|
begin
|
| 524 |
|
|
if (cp2='1' and cp2'event) then
|
| 525 |
|
|
if (cp2en='1') then -- Clock enable
|
| 526 |
|
|
for i in 0 to 25 loop
|
| 527 |
|
|
if register_wr_en(i)='1' then
|
| 528 |
|
|
register_file(i) <= reg_rd_in;
|
| 529 |
|
|
end if;
|
| 530 |
|
|
end loop;
|
| 531 |
|
|
end if;
|
| 532 |
|
|
end if;
|
| 533 |
|
|
end process;
|
| 534 |
|
|
|
| 535 |
|
|
|
| 536 |
|
|
-- R26 (LOW)
|
| 537 |
|
|
R26:process(cp2)
|
| 538 |
|
|
begin
|
| 539 |
|
|
if (cp2='1' and cp2'event) then
|
| 540 |
|
|
if (cp2en='1') then -- Clock enable
|
| 541 |
|
|
if register_wr_en(26)='1' then
|
| 542 |
|
|
r26h <= reg_rd_in;
|
| 543 |
|
|
elsif (reg_h_adr(0)='1'and reg_h_wr='1') then
|
| 544 |
|
|
r26h <= reg_h_in(7 downto 0);
|
| 545 |
|
|
end if;
|
| 546 |
|
|
end if;
|
| 547 |
|
|
end if;
|
| 548 |
|
|
end process;
|
| 549 |
|
|
|
| 550 |
|
|
-- R27 (HIGH)
|
| 551 |
|
|
R27:process(cp2)
|
| 552 |
|
|
begin
|
| 553 |
|
|
if (cp2='1' and cp2'event) then
|
| 554 |
|
|
if (cp2en='1') then -- Clock enable
|
| 555 |
|
|
if register_wr_en(27)='1' then
|
| 556 |
|
|
r27h <= reg_rd_in;
|
| 557 |
|
|
elsif (reg_h_adr(0)='1'and reg_h_wr='1') then
|
| 558 |
|
|
r27h <= reg_h_in(15 downto 8);
|
| 559 |
|
|
end if;
|
| 560 |
|
|
end if;
|
| 561 |
|
|
end if;
|
| 562 |
|
|
end process;
|
| 563 |
|
|
|
| 564 |
|
|
-- R28 (LOW)
|
| 565 |
|
|
R28:process(cp2)
|
| 566 |
|
|
begin
|
| 567 |
|
|
if (cp2='1' and cp2'event) then
|
| 568 |
|
|
if (cp2en='1') then -- Clock enable
|
| 569 |
|
|
if register_wr_en(28)='1' then
|
| 570 |
|
|
r28h <= reg_rd_in;
|
| 571 |
|
|
elsif (reg_h_adr(1)='1'and reg_h_wr='1') then
|
| 572 |
|
|
r28h <= reg_h_in(7 downto 0);
|
| 573 |
|
|
end if;
|
| 574 |
|
|
end if;
|
| 575 |
|
|
end if;
|
| 576 |
|
|
end process;
|
| 577 |
|
|
|
| 578 |
|
|
-- R29 (HIGH)
|
| 579 |
|
|
R29:process(cp2)
|
| 580 |
|
|
begin
|
| 581 |
|
|
if (cp2='1' and cp2'event) then
|
| 582 |
|
|
if (cp2en='1') then -- Clock enable
|
| 583 |
|
|
if register_wr_en(29)='1' then
|
| 584 |
|
|
r29h <= reg_rd_in;
|
| 585 |
|
|
elsif (reg_h_adr(1)='1'and reg_h_wr='1') then
|
| 586 |
|
|
r29h <= reg_h_in(15 downto 8);
|
| 587 |
|
|
end if;
|
| 588 |
|
|
end if;
|
| 589 |
|
|
end if;
|
| 590 |
|
|
end process;
|
| 591 |
|
|
|
| 592 |
|
|
-- R30 (LOW)
|
| 593 |
|
|
R30:process(cp2)
|
| 594 |
|
|
begin
|
| 595 |
|
|
if (cp2='1' and cp2'event) then
|
| 596 |
|
|
if (cp2en='1') then -- Clock enable
|
| 597 |
|
|
if register_wr_en(30)='1' then
|
| 598 |
|
|
r30h <= reg_rd_in;
|
| 599 |
|
|
elsif (reg_h_adr(2)='1'and reg_h_wr='1') then
|
| 600 |
|
|
r30h <= reg_h_in(7 downto 0);
|
| 601 |
|
|
end if;
|
| 602 |
|
|
end if;
|
| 603 |
|
|
end if;
|
| 604 |
|
|
end process;
|
| 605 |
|
|
|
| 606 |
|
|
-- R31 (HIGH)
|
| 607 |
|
|
R31:process(cp2)
|
| 608 |
|
|
begin
|
| 609 |
|
|
if (cp2='1' and cp2'event) then
|
| 610 |
|
|
if (cp2en='1') then -- Clock enable
|
| 611 |
|
|
if register_wr_en(31)='1' then
|
| 612 |
|
|
r31h <= reg_rd_in;
|
| 613 |
|
|
elsif (reg_h_adr(2)='1'and reg_h_wr='1') then
|
| 614 |
|
|
r31h <= reg_h_in(15 downto 8);
|
| 615 |
|
|
end if;
|
| 616 |
|
|
end if;
|
| 617 |
|
|
end if;
|
| 618 |
|
|
end process;
|
| 619 |
|
|
|
| 620 |
|
|
end generate;
|
| 621 |
|
|
|
| 622 |
|
|
end RTL;
|