⭐ 欢迎来到虫虫下载站! | 📦 资源下载 📁 资源专辑 ℹ️ 关于我们
⭐ 虫虫下载站

📄 altfp_div0.vhd

📁 本设计是一个八位被除数除以四位除数
💻 VHD
📖 第 1 页 / 共 5 页
字号:
		LPM_WIDTH	:	NATURAL;
		lpm_hint	:	STRING := "UNUSED";
		lpm_type	:	STRING := "lpm_add_sub"
	 );
	 PORT
	 ( 
		aclr	:	IN STD_LOGIC := '0';
		add_sub	:	IN STD_LOGIC := '1';
		cin	:	IN STD_LOGIC := 'Z';
		clken	:	IN STD_LOGIC := '1';
		clock	:	IN STD_LOGIC := '0';
		cout	:	OUT STD_LOGIC;
		dataa	:	IN STD_LOGIC_VECTOR(LPM_WIDTH-1 DOWNTO 0) := (OTHERS => '0');
		datab	:	IN STD_LOGIC_VECTOR(LPM_WIDTH-1 DOWNTO 0) := (OTHERS => '0');
		overflow	:	OUT STD_LOGIC;
		result	:	OUT STD_LOGIC_VECTOR(LPM_WIDTH-1 DOWNTO 0)
	 ); 
	 END COMPONENT;
	 COMPONENT  altfp_div0_qds_block_6a7
	 PORT
	 ( 
		aclr	:	IN  STD_LOGIC := '0';
		clken	:	IN  STD_LOGIC := '1';
		clock	:	IN  STD_LOGIC := '0';
		decoder_bus	:	IN  STD_LOGIC_VECTOR(11 DOWNTO 0);
		decoder_output	:	OUT  STD_LOGIC_VECTOR(2 DOWNTO 0)
	 ); 
	 END COMPONENT;
 BEGIN

	wire_gnd <= '0';
	wire_vcc <= '1';
	divider_1D_w <= ( padded_3_zeros_w & "1" & divider_dffe_1a_w);
	divider_2D_w <= ( padded_2_zeros_w & "1" & divider_dffe_1a_w & "0");
	divider_dffe_1a_w <= divider_dffe_1a;
	divider_dffe_w <= ( "1" & divider_dffe_1a_w);
	divider_in_w <= divider;
	divider_reg <= divider_dffe_w;
	padded_2_zeros_w <= "00";
	padded_3_zeros_w <= "000";
	pos_qk0d_int_w <= "000000000000000000000000000";
	pos_qk1d_int_w <= divider_1D_w;
	pos_qk2d_int_w <= divider_2D_w;
	qkd_mux_input_w <= ( pos_qk2d_int_w & pos_qk2d_int_w & pos_qk1d_int_w & pos_qk0d_int_w);
	qkd_mux_w <= wire_mux41_result;
	Rk_adder_padded_w <= ( Rk_dffe & padded_2_zeros_w);
	Rk_dffe_1a_w <= Rk_in_w;
	Rk_in_w <= Rk;
	Rk_next <= Rk_next_dffe_w;
	Rk_next_dffe_w <= srt_adder_w;
	rom <= rom_out_dffe_w;
	rom_add_w <= ( Rk_in_w(24 DOWNTO 17) & divider_in_w(22 DOWNTO 19));
	rom_mux_w <= rom_out_1a_w;
	rom_out_1a_w <= wire_qds_block40_decoder_output;
	rom_out_dffe_w <= rom_out_1a_w;
	srt_adder_w <= ( wire_add_sub42_w_lg_w_lg_w_lg_cout1654w1655w1656w & wire_add_sub42_result);
	wire_srt_block_int20_w_divider_in_w_range1622w <= divider_in_w(22 DOWNTO 0);
	PROCESS (clock, aclr)
	BEGIN
		IF (aclr = '1') THEN divider_dffe_1a <= (OTHERS => '0');
		ELSIF (clock = '1' AND clock'event) THEN 
			IF (clken = '1') THEN divider_dffe_1a <= divider_in_w(22 DOWNTO 0);
			END IF;
		END IF;
	END PROCESS;
	PROCESS (clock, aclr)
	BEGIN
		IF (aclr = '1') THEN Rk_dffe <= (OTHERS => '0');
		ELSIF (clock = '1' AND clock'event) THEN 
			IF (clken = '1') THEN Rk_dffe <= Rk_dffe_1a_w;
			END IF;
		END IF;
	END PROCESS;
	loop14 : FOR i IN 0 TO 12 GENERATE 
		wire_add_sub42_w_lg_w_lg_cout1654w1655w(i) <= wire_add_sub42_w_lg_cout1654w(0) AND wire_add_sub43_w_result_range1653w(i);
	END GENERATE loop14;
	loop15 : FOR i IN 0 TO 12 GENERATE 
		wire_add_sub42_w_lg_cout1652w(i) <= wire_add_sub42_cout AND wire_add_sub44_w_result_range1651w(i);
	END GENERATE loop15;
	wire_add_sub42_w_lg_cout1654w(0) <= NOT wire_add_sub42_cout;
	loop16 : FOR i IN 0 TO 12 GENERATE 
		wire_add_sub42_w_lg_w_lg_w_lg_cout1654w1655w1656w(i) <= wire_add_sub42_w_lg_w_lg_cout1654w1655w(i) OR wire_add_sub42_w_lg_cout1652w(i);
	END GENERATE loop16;
	add_sub42 :  lpm_add_sub
	  GENERIC MAP (
		LPM_WIDTH => 14,
		lpm_hint => "ONE_INPUT_IS_CONSTANT=NO"
	  )
	  PORT MAP ( 
		add_sub => rom_mux_w(2),
		cout => wire_add_sub42_cout,
		dataa => Rk_adder_padded_w(13 DOWNTO 0),
		datab => qkd_mux_w(13 DOWNTO 0),
		result => wire_add_sub42_result
	  );
	wire_add_sub43_w_result_range1653w <= wire_add_sub43_result(12 DOWNTO 0);
	add_sub43 :  lpm_add_sub
	  GENERIC MAP (
		LPM_WIDTH => 13,
		lpm_hint => "ONE_INPUT_IS_CONSTANT=NO"
	  )
	  PORT MAP ( 
		add_sub => rom_mux_w(2),
		cin => wire_gnd,
		dataa => Rk_adder_padded_w(26 DOWNTO 14),
		datab => qkd_mux_w(26 DOWNTO 14),
		result => wire_add_sub43_result
	  );
	wire_add_sub44_w_result_range1651w <= wire_add_sub44_result(12 DOWNTO 0);
	add_sub44 :  lpm_add_sub
	  GENERIC MAP (
		LPM_WIDTH => 13,
		lpm_hint => "ONE_INPUT_IS_CONSTANT=NO"
	  )
	  PORT MAP ( 
		add_sub => rom_mux_w(2),
		cin => wire_vcc,
		dataa => Rk_adder_padded_w(26 DOWNTO 14),
		datab => qkd_mux_w(26 DOWNTO 14),
		result => wire_add_sub44_result
	  );
	loop17 : FOR i IN 0 TO 3 GENERATE
		loop18 : FOR j IN 0 TO 26 GENERATE
			wire_mux41_data_2d(i, j) <= qkd_mux_input_w(i*27+j);
		END GENERATE loop18;
	END GENERATE loop17;
	mux41 :  lpm_mux
	  GENERIC MAP (
		LPM_SIZE => 4,
		LPM_WIDTH => 27,
		LPM_WIDTHS => 2
	  )
	  PORT MAP ( 
		data => wire_mux41_data_2d,
		result => wire_mux41_result,
		sel => rom_mux_w(1 DOWNTO 0)
	  );
	qds_block40 :  altfp_div0_qds_block_6a7
	  PORT MAP ( 
		aclr => aclr,
		clken => clken,
		clock => clock,
		decoder_bus => rom_add_w,
		decoder_output => wire_qds_block40_decoder_output
	  );

 END RTL; --altfp_div0_srt_block_int_91k


--srt_block_int CBX_AUTO_BLACKBOX="ALL" DEVICE_FAMILY="Stratix" OPTIMIZE="AREA" POSITION="FIRST" WIDTH_DIV=24 WIDTH_RK_IN=24 WIDTH_RK_OUT=25 WIDTH_ROM=3 WIDTH_ROM_ADD=12 aclr clken clock divider divider_reg Rk Rk_next rom
--VERSION_BEGIN 7.2 cbx_altbarrel_shift 2007:06:21:18:04:30:SJ cbx_altfp_div 2007:07:16:18:07:06:SJ cbx_altsyncram 2007:08:27:07:35:30:SJ cbx_cycloneii 2007:06:13:15:47:32:SJ cbx_lpm_abs 2006:04:25:14:52:42:SJ cbx_lpm_add_sub 2007:08:06:16:01:34:SJ cbx_lpm_compare 2007:06:21:15:54:06:SJ cbx_lpm_decode 2007:03:12:19:01:52:SJ cbx_lpm_divide 2007:01:30:03:58:02:SJ cbx_lpm_mux 2007:05:11:14:07:38:SJ cbx_mgl 2007:08:03:15:48:12:SJ cbx_stratix 2007:05:02:16:27:14:SJ cbx_stratixii 2007:06:28:17:26:26:SJ cbx_stratixiii 2007:06:28:17:15:56:SJ cbx_util_mgl 2007:06:01:06:37:30:SJ  VERSION_END


--qds_block CBX_AUTO_BLACKBOX="ALL" FIRST_QDS="YES" aclr clken clock decoder_bus decoder_output
--VERSION_BEGIN 7.2 cbx_altbarrel_shift 2007:06:21:18:04:30:SJ cbx_altfp_div 2007:07:16:18:07:06:SJ cbx_altsyncram 2007:08:27:07:35:30:SJ cbx_cycloneii 2007:06:13:15:47:32:SJ cbx_lpm_abs 2006:04:25:14:52:42:SJ cbx_lpm_add_sub 2007:08:06:16:01:34:SJ cbx_lpm_compare 2007:06:21:15:54:06:SJ cbx_lpm_decode 2007:03:12:19:01:52:SJ cbx_lpm_divide 2007:01:30:03:58:02:SJ cbx_lpm_mux 2007:05:11:14:07:38:SJ cbx_mgl 2007:08:03:15:48:12:SJ cbx_stratix 2007:05:02:16:27:14:SJ cbx_stratixii 2007:06:28:17:26:26:SJ cbx_stratixiii 2007:06:28:17:15:56:SJ cbx_util_mgl 2007:06:01:06:37:30:SJ  VERSION_END

 LIBRARY lpm;
 USE lpm.lpm_components.all;

--synthesis_resources = lpm_compare 4 lpm_mux 1 lut 2 
 LIBRARY ieee;
 USE ieee.std_logic_1164.all;

 ENTITY  altfp_div0_qds_block_7o8 IS 
	 PORT 
	 ( 
		 aclr	:	IN  STD_LOGIC := '0';
		 clken	:	IN  STD_LOGIC := '1';
		 clock	:	IN  STD_LOGIC := '0';
		 decoder_bus	:	IN  STD_LOGIC_VECTOR (11 DOWNTO 0);
		 decoder_output	:	OUT  STD_LOGIC_VECTOR (2 DOWNTO 0)
	 ); 
 END altfp_div0_qds_block_7o8;

 ARCHITECTURE RTL OF altfp_div0_qds_block_7o8 IS

	 ATTRIBUTE synthesis_clearbox : boolean;
	 ATTRIBUTE synthesis_clearbox OF RTL : ARCHITECTURE IS true;
	 SIGNAL	 q_next_dffe	:	STD_LOGIC_VECTOR(1 DOWNTO 0)
	 -- synopsys translate_off
	  := (OTHERS => '0')
	 -- synopsys translate_on
	 ;
	 SIGNAL  wire_cmpr51_aleb	:	STD_LOGIC;
	 SIGNAL  wire_cmpr52_aleb	:	STD_LOGIC;
	 SIGNAL  wire_cmpr53_aleb	:	STD_LOGIC;
	 SIGNAL  wire_cmpr54_aleb	:	STD_LOGIC;
	 SIGNAL  wire_mux50_data_2d	:	STD_LOGIC_2D(15 DOWNTO 0, 31 DOWNTO 0);
	 SIGNAL  wire_mux50_result	:	STD_LOGIC_VECTOR (31 DOWNTO 0);
	 SIGNAL  wire_qds_block45_w_lg_w_k_comp_w_range1770w1780w	:	STD_LOGIC_VECTOR (0 DOWNTO 0);
	 SIGNAL  wire_qds_block45_w_lg_w_k_comp_w_range1772w1782w	:	STD_LOGIC_VECTOR (0 DOWNTO 0);
	 SIGNAL  wire_qds_block45_w_lg_w_k_comp_w_range1768w1779w	:	STD_LOGIC_VECTOR (0 DOWNTO 0);
	 SIGNAL  wire_qds_block45_w_lg_w_k_comp_w_range1771w1781w	:	STD_LOGIC_VECTOR (0 DOWNTO 0);
	 SIGNAL  wire_qds_block45_w_lg_w_k_comp_w_range1772w1776w	:	STD_LOGIC_VECTOR (0 DOWNTO 0);
	 SIGNAL  wire_qds_block45_w_lg_w_lg_w_k_comp_w_range1772w1782w1783w	:	STD_LOGIC_VECTOR (0 DOWNTO 0);
	 SIGNAL  wire_qds_block45_w_lg_w_lg_w_k_comp_w_range1772w1776w1777w	:	STD_LOGIC_VECTOR (0 DOWNTO 0);
	 SIGNAL  decoder_output_w :	STD_LOGIC_VECTOR (2 DOWNTO 0);
	 SIGNAL  Div_w :	STD_LOGIC_VECTOR (3 DOWNTO 0);
	 SIGNAL  k_comp_w :	STD_LOGIC_VECTOR (3 DOWNTO 0);
	 SIGNAL  mk_bus_const_w :	STD_LOGIC_VECTOR (511 DOWNTO 0);
	 SIGNAL  mk_bus_w :	STD_LOGIC_VECTOR (31 DOWNTO 0);
	 SIGNAL  mk_neg1_w :	STD_LOGIC_VECTOR (8 DOWNTO 0);
	 SIGNAL  mk_pos0_w :	STD_LOGIC_VECTOR (8 DOWNTO 0);
	 SIGNAL  mk_pos1_w :	STD_LOGIC_VECTOR (8 DOWNTO 0);
	 SIGNAL  mk_pos2_w :	STD_LOGIC_VECTOR (8 DOWNTO 0);
	 SIGNAL  q_next_w :	STD_LOGIC_VECTOR (2 DOWNTO 0);
	 SIGNAL  Rk_in_w :	STD_LOGIC_VECTOR (8 DOWNTO 0);
	 SIGNAL  Rk_w :	STD_LOGIC_VECTOR (8 DOWNTO 0);
	 SIGNAL  wire_qds_block45_w_k_comp_w_range1768w	:	STD_LOGIC_VECTOR (0 DOWNTO 0);
	 SIGNAL  wire_qds_block45_w_k_comp_w_range1770w	:	STD_LOGIC_VECTOR (0 DOWNTO 0);
	 SIGNAL  wire_qds_block45_w_k_comp_w_range1771w	:	STD_LOGIC_VECTOR (0 DOWNTO 0);
	 SIGNAL  wire_qds_block45_w_k_comp_w_range1772w	:	STD_LOGIC_VECTOR (0 DOWNTO 0);
	 SIGNAL  wire_qds_block45_w_q_next_w_range1785w	:	STD_LOGIC_VECTOR (1 DOWNTO 0);
	 COMPONENT  lpm_compare
	 GENERIC 
	 (
		LPM_PIPELINE	:	NATURAL := 0;
		LPM_REPRESENTATION	:	STRING := "UNSIGNED";
		LPM_WIDTH	:	NATURAL;
		lpm_hint	:	STRING := "UNUSED";
		lpm_type	:	STRING := "lpm_compare"
	 );
	 PORT
	 ( 
		aclr	:	IN STD_LOGIC := '0';
		aeb	:	OUT STD_LOGIC;
		agb	:	OUT STD_LOGIC;
		ageb	:	OUT STD_LOGIC;
		alb	:	OUT STD_LOGIC;
		aleb	:	OUT STD_LOGIC;
		aneb	:	OUT STD_LOGIC;
		clken	:	IN STD_LOGIC := '1';
		clock	:	IN STD_LOGIC := '0';
		dataa	:	IN STD_LOGIC_VECTOR(LPM_WIDTH-1 DOWNTO 0) := (OTHERS => '0');
		datab	:	IN STD_LOGIC_VECTOR(LPM_WIDTH-1 DOWNTO 0) := (OTHERS => '0')
	 ); 
	 END COMPONENT;
 BEGIN

	wire_qds_block45_w_lg_w_k_comp_w_range1770w1780w(0) <= wire_qds_block45_w_k_comp_w_range1770w(0) AND wire_qds_block45_w_lg_w_k_comp_w_range1768w1779w(0);
	wire_qds_block45_w_lg_w_k_comp_w_range1772w1782w(0) <= wire_qds_block45_w_k_comp_w_range1772w(0) AND wire_qds_block45_w_lg_w_k_comp_w_range1771w1781w(0);
	wire_qds_block45_w_lg_w_k_comp_w_range1768w1779w(0) <= NOT wire_qds_block45_w_k_comp_w_range1768w(0);
	wire_qds_block45_w_lg_w_k_comp_w_range1771w1781w(0) <= NOT wire_qds_block45_w_k_comp_w_range1771w(0);
	wire_qds_block45_w_lg_w_k_comp_w_range1772w1776w(0) <= NOT wire_qds_block45_w_k_comp_w_range1772w(0);
	wire_qds_block45_w_lg_w_lg_w_k_comp_w_range1772w1782w1783w(0) <= wire_qds_block45_w_lg_w_k_comp_w_range1772w1782w(0) OR wire_qds_block45_w_lg_w_k_comp_w_range1770w1780w(0);
	wire_qds_block45_w_lg_w_lg_w_k_comp_w_range1772w1776w1777w(0) <= wire_qds_block45_w_lg_w_k_comp_w_range1772w1776w(0) OR wire_qds_block45_w_k_comp_w_range1768w(0);
	decoder_output <= decoder_output_w;
	decoder_output_w <= ( "0" & q_next_dffe);
	Div_w <= decoder_bus(3 DOWNTO 0);
	k_comp_w <= ( wire_cmpr54_aleb & wire_cmpr53_aleb & wire_cmpr52_aleb & wire_cmpr51_aleb);
	mk_bus_const_w <= ( "01011101000111111110000110100011" & "01011010000111101110001010100110" & "01010111000111011110001110101001" & "01010100000111001110010010101100" & "01010001000110111110010110101111" & "01001110000110101110011010110010" & "01001011000110011110011110110101" & "01001000000110001110100010111000" & "01000101000101111110100110111011" & "01000010000101101110101010111110" & "00111111000101011110101111000001" & "00111100000101001110110011000100" & "00111001000100111110110111000111" & "00110110000100101110111011001010" & "00110011000100011110111111001101" & "00110000000100001111000011010000");
	mk_bus_w <= wire_mux50_result;
	mk_neg1_w <= ( mk_bus_w(7) & mk_bus_w(7 DOWNTO 0));
	mk_pos0_w <= ( mk_bus_w(15) & mk_bus_w(15 DOWNTO 8));
	mk_pos1_w <= ( mk_bus_w(23) & mk_bus_w(23 DOWNTO 16));
	mk_pos2_w <= ( mk_bus_w(31) & mk_bus_w(31 DOWNTO 24));
	q_next_w <= ( k_comp_w(1) & wire_qds_block45_w_lg_w_lg_w_k_comp_w_range1772w1776w1777w & wire_qds_block45_w_lg_w_lg_w_k_comp_w_range1772w1782w1783w);
	Rk_in_w <= ( decoder_bus(11 DOWNTO 4) & "0");
	Rk_w <= Rk_in_w;
	wire_qds_block45_w_k_comp_w_range1768w(0) <= k_comp_w(0);
	wire_qds_block45_w_k_comp_w_range1770w(0) <= k_comp_w(1);
	wire_qds_block45_w_k_comp_w_range1771w(0) <= k_comp_w(2);
	wire_qds_block45_w_k_comp_w_range1772w(0) <= k_comp_w(3);
	wire_qds_block45_w_q_next_w_range1785w <= q_next_w(1 DOWNTO 0);
	PROCESS (clock, aclr)
	BEGIN
		IF (aclr = '1') THEN q_next_dffe <= (OTHERS => '0');
		ELSIF (clock = '1' AND clock'event) THEN 
			IF (clken = '1') THEN q_next_dffe <= q_next_w(1 DOWNTO 0);
			END IF;
		END IF;
	END PROCESS;
	cmpr51 :  lpm_compare
	  GENERIC MAP (
		LPM_REPRESENTATION => "SIGNED",
		LPM_WIDTH => 9
	  )
	  PORT MAP ( 
		aleb => wire_cmpr51_aleb,
		dataa => Rk_w,
		datab => mk_neg1_w
	  );
	cmpr52 :  lpm_compare
	  GENERIC MAP (
		LPM_REPRESENTATION => "SIGNED",

⌨️ 快捷键说明

复制代码 Ctrl + C
搜索代码 Ctrl + F
全屏模式 F11
切换主题 Ctrl + Shift + D
显示快捷键 ?
增大字号 Ctrl + =
减小字号 Ctrl + -