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[/] [zpu/] [trunk/] [zpu/] [example/] [hello world/] [helloworld.vhd_footer] - Blame information for rev 95

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Line No. Rev Author Line
1 95 oharboe 
        others => x"00000000"
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);
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begin
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process (clk)
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begin
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        if (clk'event and clk = '1') then
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                if (memAWriteEnable = '1') and (memBWriteEnable = '1') and (memAAddr=memBAddr) and (memAWrite/=memBWrite) then
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                        report "write collision" severity failure;
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                end if;
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                if (memAWriteEnable = '1') then
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                        ram(to_integer(unsigned(memAAddr))) := memAWrite;
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                        memARead <= memAWrite;
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                else
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                        memARead <= ram(to_integer(unsigned(memAAddr)));
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                end if;
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        end if;
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end process;
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process (clk)
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begin
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        if (clk'event and clk = '1') then
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                if (memBWriteEnable = '1') then
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                        ram(to_integer(unsigned(memBAddr))) := memBWrite;
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                        memBRead <= memBWrite;
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                else
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                        memBRead <= ram(to_integer(unsigned(memBAddr)));
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                end if;
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        end if;
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end process;
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end dualport_ram_arch;

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