diff options
Diffstat (limited to 'testsuite/synth/mem01/tb_rom1.vhdl')
-rw-r--r-- | testsuite/synth/mem01/tb_rom1.vhdl | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/testsuite/synth/mem01/tb_rom1.vhdl b/testsuite/synth/mem01/tb_rom1.vhdl new file mode 100644 index 000000000..4a7f96d29 --- /dev/null +++ b/testsuite/synth/mem01/tb_rom1.vhdl @@ -0,0 +1,38 @@ +entity tb_rom1 is +end tb_rom1; + +library ieee; +use ieee.std_logic_1164.all; + +architecture behav of tb_rom1 is + signal addr : std_logic_vector(3 downto 0); + signal dat : std_logic_vector(7 downto 0); +begin + dut: entity work.rom1 + port map (addr, dat); + + process + begin + addr <= "0000"; + wait for 1 ns; + assert dat = x"00" severity failure; + + addr <= "0101"; + wait for 1 ns; + assert dat = x"41" severity failure; + + addr <= "1100"; + wait for 1 ns; + assert dat = x"fc" severity failure; + + addr <= "1011"; + wait for 1 ns; + assert dat = x"fb" severity failure; + + addr <= "0010"; + wait for 1 ns; + assert dat = x"02" severity failure; + + wait; + end process; +end behav; |