diff options
Diffstat (limited to 'zpu/hdl/zpu4/src/dram_dmips.vhd')
| -rw-r--r-- | zpu/hdl/zpu4/src/dram_dmips.vhd | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/zpu/hdl/zpu4/src/dram_dmips.vhd b/zpu/hdl/zpu4/src/dram_dmips.vhd index a289fd7..a9fd59e 100644 --- a/zpu/hdl/zpu4/src/dram_dmips.vhd +++ b/zpu/hdl/zpu4/src/dram_dmips.vhd @@ -1,6 +1,6 @@ library ieee;
use ieee.std_logic_1164.all;
-use ieee.std_logic_unsigned.all;
+use ieee.numeric_std.all;
library work;
@@ -22,7 +22,7 @@ end dram; architecture dram_arch of dram is
-type ram_type is array(0 to ((2**(maxAddrBitDRAM+1))/4)-1) of std_logic_vector(wordSize-1 downto 0);
+type ram_type is array(natural range 0 to ((2**(maxAddrBitDRAM+1))/4)-1) of std_logic_vector(wordSize-1 downto 0);
shared variable ram : ram_type :=
(
@@ -3294,10 +3294,10 @@ begin if areset = '1' then
elsif (clk'event and clk = '1') then
if (mem_writeEnable = '1') then
- ram(conv_integer(mem_addr(maxAddrBit downto minAddrBit))) := mem_write;
+ ram(to_integer(unsigned(mem_addr(maxAddrBit downto minAddrBit)))) := mem_write;
end if;
if (mem_readEnable = '1') then
- mem_read <= ram(conv_integer(mem_addr(maxAddrBit downto minAddrBit)));
+ mem_read <= ram(to_integer(unsigned(mem_addr(maxAddrBit downto minAddrBit))));
end if;
end if;
end process;
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