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- Minor changes

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git-svn-id: http://moon:8086/svn/vhdl/trunk@566 cc03376c-175c-47c8-b038-4cd826a8556b
This commit is contained in:
jens
2009-10-30 12:27:36 +00:00
parent e85aded32a
commit a38101e448
1 changed files with 6 additions and 5 deletions
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lib/CPUs/MIPS/src/tb_mips_top.vhd
+6 -5
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@@ -398,6 +398,7 @@ FLASH_READ:
variable instr : integer;
variable index : natural;
variable temp : signed(31 downto 0);
constant tpd : time := 25 ns;
begin
if rst = '1' then
index := 0;
@@ -408,21 +409,21 @@ FLASH_READ:
index := index + 1;
end loop;
else
flash_d <= (others => 'Z') after 25 ns;
flash_d <= (others => 'Z') after tpd;
index := to_integer(flash_a(FLASH_ADDR_WIDTH-1 downto 2));
if flash_oe_n = '0' then
if flash_cs_n = '0' then
if flash_be_n(0) = '0' then
flash_d(7 downto 0) <= flash_data(index)(7 downto 0) after 25 ns;
flash_d(7 downto 0) <= flash_data(index)(7 downto 0) after tpd;
end if;
if flash_be_n(1) = '0' then
flash_d(15 downto 8) <= flash_data(index)(15 downto 8) after 25 ns;
flash_d(15 downto 8) <= flash_data(index)(15 downto 8) after tpd;
end if;
if flash_be_n(2) = '0' then
flash_d(23 downto 16) <= flash_data(index)(23 downto 16) after 25 ns;
flash_d(23 downto 16) <= flash_data(index)(23 downto 16) after tpd;
end if;
if flash_be_n(3) = '0' then
flash_d(31 downto 24) <= flash_data(index)(31 downto 24) after 25 ns;
flash_d(31 downto 24) <= flash_data(index)(31 downto 24) after tpd;
end if;
end if;
end if;