Merge pull request #93 from antonblanchard/fifo-fix

Remove shared variable from fifo, and reformat
pull/96/head
Anton Blanchard 5 years ago committed by GitHub
commit 854c93f970
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@ -30,7 +30,7 @@ end entity pp_fifo;
architecture behaviour of pp_fifo is

type memory_array is array(0 to DEPTH - 1) of std_logic_vector(WIDTH - 1 downto 0);
shared variable memory : memory_array := (others => (others => '0'));
signal memory : memory_array := (others => (others => '0'));

subtype index_type is integer range 0 to DEPTH - 1;
signal top, bottom : index_type;
@ -64,7 +64,7 @@ begin
top <= 0;
else
if push = '1' then
memory(top) := data_in;
memory(top) <= data_in;
top <= (top + 1) mod DEPTH;
end if;
end if;

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