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[/] [raytrac/] [trunk/] [fastmux.vhd] - Diff between revs 24 and 26
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| Rev 24 |
Rev 26 |
| Line 23... |
Line 23... |
use ieee.std_logic_1164.all;
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use ieee.std_logic_1164.all;
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entity fastmux is
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entity fastmux is
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generic (
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generic (
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width : integer := 18
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width : integer := 18
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)
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);
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port (
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port (
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a,b:in std_logic_vector(w-1 downto 0);
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a,b:in std_logic_vector(width-1 downto 0);
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s:in std_logic;
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s:in std_logic;
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c: out std_logic_vector(w-1 downto 0)
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c: out std_logic_vector(width-1 downto 0)
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)
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);
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end entity;
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end entity;
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architecture fastmux_arch of fastmux is
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architecture fastmux_arch of fastmux is
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begin
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begin
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muxgen:
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muxgen:
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for i in 0 to w-1 generate
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for i in 0 to width-1 generate
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c(i) <= (a(i) and not(s(i))) or (b(i) and s(i));
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c(i) <= (a(i) and not(s)) or (b(i) and s);
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end generate muxgen;
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end generate muxgen;
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end fastmux_arch;
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end fastmux_arch;
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