| Line 95... |
Line 95... |
-- control signals
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-- control signals
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signal op_sel : std_logic_vector(1 downto 0); -- operand selection
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signal op_sel : std_logic_vector(1 downto 0); -- operand selection
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signal result_dest_op : std_logic_vector(1 downto 0); -- result destination operand
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signal result_dest_op : std_logic_vector(1 downto 0); -- result destination operand
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signal mult_ready : std_logic;
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signal mult_ready : std_logic;
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signal start_mult : std_logic;
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signal start_mult : std_logic;
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signal load_op : std_logic;
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signal load_x : std_logic;
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signal load_x : std_logic;
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signal load_m : std_logic;
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signal load_result : std_logic;
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signal load_result : std_logic;
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-- fifo signals
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-- fifo signals
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signal fifo_empty : std_logic;
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signal fifo_empty : std_logic;
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signal fifo_pop : std_logic;
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signal fifo_pop : std_logic;
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| Line 136... |
Line 134... |
)
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)
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port map(
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port map(
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data_in => data_in,
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data_in => data_in,
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data_out => data_out,
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data_out => data_out,
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rw_address => rw_address,
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rw_address => rw_address,
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write_enable => write_enable,
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op_sel => op_sel,
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op_sel => op_sel,
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xy_out => xy,
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xy_out => xy,
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m => m,
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m => m,
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result_in => r,
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result_in => r,
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load_op => load_op,
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load_m => load_m,
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load_result => load_result,
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load_result => load_result,
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result_dest_op => result_dest_op,
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result_dest_op => result_dest_op,
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collision => collision,
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collision => collision,
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clk => clk
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clk => clk
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);
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);
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|
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load_op <= write_enable when (rw_address(8) = '0') else '0';
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load_m <= write_enable when (rw_address(8) = '1') else '0';
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result_dest_op <= dest_op_single when run_auto = '0' else "11"; -- in autorun mode we always store the result in operand3
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result_dest_op <= dest_op_single when run_auto = '0' else "11"; -- in autorun mode we always store the result in operand3
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-- A fifo for auto-run operand selection
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-- A fifo for auto-run operand selection
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the_exponent_fifo : fifo_primitive
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the_exponent_fifo : fifo_primitive
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port map(
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port map(
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| Line 179... |
Line 174... |
y_sel_single => y_sel_single,
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y_sel_single => y_sel_single,
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run_auto => run_auto,
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run_auto => run_auto,
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op_buffer_empty => fifo_empty,
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op_buffer_empty => fifo_empty,
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op_sel_buffer => fifo_dout,
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op_sel_buffer => fifo_dout,
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read_buffer => fifo_pop,
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read_buffer => fifo_pop,
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buffer_noread => fifo_nopop,
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done => ready,
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done => ready,
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calc_time => calc_time,
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calc_time => calc_time,
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op_sel => op_sel,
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op_sel => op_sel,
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load_x => load_x,
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load_x => load_x,
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load_result => load_result,
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load_result => load_result,
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